Scotsman C0322 Prodigy Plus Service Manual
2015-09-09
: Scotsman Scotsman-C0322-Prodigy-Plus-Service-Manual-811502 scotsman-c0322-prodigy-plus-service-manual-811502 scotsman pdf
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Prodigy Series Modular Cuber Technical Service Manual Models C0322, C0522, C0722, C0330, C0530, C0630, C0830, C1030, C1448, C1848 and C2148 Includes Prodigy Plus D Models Introduction This technical manual covers the Prodigy line, excluding the Eclipse remote low side models. All are shipped with an Installation and User's manual, which can be referred to separately. General installation information is included in this manual. Contents Critical Maintenance - Spillway. . . . . . . . . . . . . . Page 42 Model Number Description . . . . . . . . . . . . . . . . . Page 3 Diagnostics – Air Cooled. . . . . . . . . . . . . . . . . . . Page 43 Water. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4 Diagnostics - Air Cooled . . . . . . . . . . . . . . . . . . . Page 44 General Installation - Air or Water Cooled. . . . . . Page 5 Low Ice Making Capacity - Air Cooled. . . . . . . . . Page 45 General Installation - Air or Water Cooled. . . . . . Page 6 Diagnostics – Water Cooled . . . . . . . . . . . . . . . . Page 46 Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7 Diagnostics - Water Cooled. . . . . . . . . . . . . . . . . Page 47 Water purge setting. . . . . . . . . . . . . . . . . . . . . . . Page 8 Low Ice Making Capacity - Water Cooled. . . . . . Page 48 General Installation - Remote. . . . . . . . . . . . . . . Page 9 Diagnostics – Remote Air Cooled. . . . . . . . . . . . Page 49 General Installation - Remote. . . . . . . . . . . . . . . Page 10 Diagnostics - Remote Air Cooled. . . . . . . . . . . . Page 50 General Installation - Remote. . . . . . . . . . . . . . . Page 11 Low Ice Making Capacity - Remote Air Cooled. . Page 51 General Installation - Remote. . . . . . . . . . . . . . . Page 12 Test Procedures - Sensors . . . . . . . . . . . . . . . . . Page 52 Pre-Charged Tubing Coupling Connections . . . . Page 13 Ice Thickness Sensor . . . . . . . . . . . . . . . . . . . . . Page 53 General Installation - Remote. . . . . . . . . . . . . . . Page 14 Water Level Sensor. . . . . . . . . . . . . . . . . . . . . . . Page 54 Prodigy Cuber System Information. . . . . . . . . . . Page 15 Temperature Sensors . . . . . . . . . . . . . . . . . . . . . Page 55 Controller Information . . . . . . . . . . . . . . . . . . . . . Page 16 Test Procedures - Compressor . . . . . . . . . . . Page 56 Component Indicator Lights. . . . . . . . . . . . . . . . Page 17 Test Procedures - Fan motor. . . . . . . . . . . . . Page 57 How It Works - Air Cooled. . . . . . . . . . . . . . . . . . Page 18 Test Procedures - Water Pump . . . . . . . . . . . Page 58 How It Works - Water Cooled . . . . . . . . . . . . . . . Page 19 How It Works - Remote. . . . . . . . . . . . . . . . . . . . Page 20 Electrical Sequence - Air or Water Cooled . . . . . Page 21 Electrical Sequence - Remote Cooled. . . . . . . . Page 22 Remote Schematics . . . . . . . . . . . . . . . . . . . . . . Page 23 Electrical Component Details . . . . . . . . . . . . . . . Page 24 Electrical Component Details . . . . . . . . . . . . . . . Page 26 Refrigeration . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 27 Water System . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 28 Control Operation . . . . . . . . . . . . . . . . . . . . . . . . Page 29 Control Safeties. . . . . . . . . . . . . . . . . . . . . . . . . . Page 30 Control Button Use (from standby) . . . . . . . . . . . Page 31 Control Button Use - continued. . . . . . . . . . . . . . Page 32 Compressor Electrical Chart. . . . . . . . . . . . . . . . Page 33 Refrigerant Charges and Pressure Switches . . . Page 34 Compressor Amp Draws . . . . . . . . . . . . . . . . . . Page 35 Heat Load & Condenser Water GPM . . . . . . . . . Page 36 Thermistor Values. . . . . . . . . . . . . . . . . . . . . . . . Page 37 Cleaning - A, B or C Series. . . . . . . . . . . . . . . . . Page 38 Cleaning - D Series. . . . . . . . . . . . . . . . . . . . . . . Page 39 Critical Maintenance - Water Level Sensor. . . . . Page 40 Test Procedure - Purge valve. . . . . . . . . . . . . Page 59 Test Procedure - Compressor contactor. . . . . . . Page 60 Test Procedures - Pressure switches . . . . . . . . . Page 61 Test Procedures - Liquid Line Solenoid. . . . . . . . Page 62 Test Procedure - Inlet Water Solenoid Valve. . . . Page 63 Test Procedure - Harvest Assist . . . . . . . . . . . . . Page 64 Performance Data - C0322. . . . . . . . . . . . . . . . . Page 65 Performance Data - C0522. . . . . . . . . . . . . . . . . Page 66 Performance Data - C0722. . . . . . . . . . . . . . . . . Page 67 Performance Data - C0330. . . . . . . . . . . . . . . . . Page 68 Performance Data - C0530. . . . . . . . . . . . . . . . . Page 69 Performance Data - C0630. . . . . . . . . . . . . . . . . Page 70 Performance Data - C0830. . . . . . . . . . . . . . . . . Page 71 Performance Data - C1030. . . . . . . . . . . . . . . . . Page 72 Performance Data - C1448. . . . . . . . . . . . . . . . . Page 73 Performance Data - C1848. . . . . . . . . . . . . . . . . Page 74 Performance Data - C2148. . . . . . . . . . . . . . . . . Page 75 Performance Data Remote - C0522, C0530. . . . Page 76 Performance Data Remote C0630, C0830, C1030. . . . . . . . . . . . . . . . . . . . . Page 77 Performance Data Remote - C1448, C1848. . . . Page 78 Critical Maintenance - Ice Thickness Sensor . . . Page 41 January 2015 Page 2 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 79 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 80 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 81 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 82 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 83 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 84 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 85 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 86 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 87 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 88 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 89 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 90 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . Page 91 Repair Section. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 92 Repair Section. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 93 Repair Section. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 94 Repair Section. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 95 Repair Section. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 96 Repair Section. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 97 Repair Section. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 98 Repair Section. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 99 Refrigeration Removal and Replacement. . . . . . Page 100 Refrigeration Removal and Replacement. . . . . . Page 101 Refrigeration Removal and Replacement. . . . . . Page 102 Optional add-on control information - KVS . . . . . Page 103 Model Number Description Example: • C0530SA-1D • C= cuber. CB = Prodigy Advanced Sustainability Cuber, CL=Argentina, CR=Brazil, CA=Asia • 05= nominal ice capacity in 100s of pounds • 30= nominal width of cabinet. Other sizes are 22 and 48. • S= Cube size. S=small or half dice cube. M=medium or full dice cube • A=Condenser type. A=air cooled. W=water cooled. R = Remote • -1=Electrical code. -1=115 volts. -32=208-230 single phase. -3=208-230 three phase. -6=230 50 Hz • D=Series revision code. D=Prodigy Plus Note: In some areas of this manual model numbers may include only the first five characters of the model number, meaning that the cube size, condenser type and voltage differences are not critical to the information listed there. Scotsman reserves the right to make design changes and/or improvements at any time. Specifications and design are subject to change without notice. January 2015 Page 3 Water The quality of the water supplied to the ice machine will have an impact on the time between cleanings and ultimately on the life of the product. There are two ways water can contain impurities: in suspension or in solution. Suspended solids can be filtered out. In solution or dissolved solids cannot be filtered, they must be diluted or treated. Water filters are recommended to remove suspended solids. Some filters have treatment in them for suspended solids. Check with a water treatment service for a recommendation. RO water. This machine can be supplied with Reverse Osmosis water, but the water conductivity must be no less than 10 microSiemens/cm. Potential for Airborne Contamination Installing an ice machine near a source of yeast or similar material can result in the need for more frequent sanitation cleanings due to the tendency of these materials to contaminate the machine. Most water filters remove chlorine from the water supply to the machine which contributes to this situation. Testing has shown that using a filter that does not remove chlorine, such as the Scotsman Aqua Patrol, will greatly improve this situation, while the ice making process itself will remove the chlorine from the ice, resulting in no taste or odor impact. Additionally, devices intended to enhance ice machine sanitation, such as the Scotsman Aqua Bullet, can be placed in the machine to keep it cleaner between manual cleanings. Water Purge Cube ice machines use more water than what ends up in the bin as ice. While most water is used during ice making, a portion is designed to be drained out every cycle to reduce the amount of hard water scale in the machine. That’s known as water purge, and an effective purge can increase the time between needed water system cleaning. In addition, this product has the capability to automatically vary the amount of water purged based on the purity of the water supplied to it. The water purge rate can also be set manually. Adjustments of purge due to local water conditions are not covered by warranty. January 2015 Page 4 General Installation - Air or Water Cooled Location Limitations: The product is designed to be installed indoors, in a controlled environment. Air cooled models discharge very warm air into the room out the back. Space must be allowed at the left side and back for air intake and discharge. Water cooled models discharge warm water into the building’s drain. Space needs to be provided on both sides and above for service access. Space Limitations Note: Although the machine will function, ice capacity of air cooled machines will be significantly reduced with minimal clearance at the sides, back and top. Some space is recommended for service and maintenance purposes on all models. 6" of space at the sides and back is required for adequate operation. To get the most capacity, locate the machine away from heat producing appliances and heating ducts. 22 and 30 inch wide models (up to D series: Airflow is in the left side, out the back (as viewed from the front). 22 and 30 inch D series: Airflow is in the front, out the back 48 inch wide models: Air flow is in the front and left side and out the back. Environmental Limitations Minimum Maximum Air temperature 50oF. 100oF. Water temperature 40oF. 100oF. Water pressure 80 psi 20 psi Power supply – acceptable voltage ranges Minimum Maximum 115 volt model 104 volts 126 volts 208-230 volt model 198 volts 253 volts Warranty Information The warranty statement for this product is provided separately from this manual. Refer to it for applicable coverage. In general warranty covers defects in material or workmanship. It does not cover maintenance, corrections to installations, or situations when the machine is operated in circumstances that exceed the limitations printed above January 2015 Page 5 General Installation - Air or Water Cooled Plumbing Requirements All models require connection to cold, potable water. A hand actuated valve within site of the machine is required. Air cooled models have a single 3/8” FPT inlet water connection. Water cooled models have the same inlet fitting plus an additional 3/8” FPT condenser inlet water connection. Water Filters If connecting to water filtration, filter only the water to the reservoir, not to the condenser. Install a new cartridge if the filters were used with a prior machine. All models require drain tubing to be attached to them. Air cooled models have a single ¾” FPT drain fitting in the back of the cabinet. Water cooled models have the same fitting plus an additional ½” FPT drain fitting in the back of the cabinet. Install new tubing when replacing a prior ice machine, as the tubing will have been sized for the old model and might not be correct for this one. Note: This NSF listed model has a 1" anti-back flow air gap between the water inlet tube end and the highest possible reservoir water level, no back flow device is required for the potable water inlet. Drain Tubing: Use rigid drain tubes and route them separately – do not Tee into the bin’s drain and, if water cooled, do not Tee the condenser drain into the reservoir or bin drain. Vent the reservoir drain. A vertical vent at the back of the drain, extended about 8 – 10” will allow the gravity drain to empty and also keep any surges during draining from discharging water out the vent.. Horizontal runs of drain tubing need a ¼” fall per foot of run for proper draining. Follow all applicable codes. Electrical See the spec sheet or User’s Manual for Minimum Circuit Ampacity or Maximum Fuse Size ratings. The machine is not supplied with a power cord, one must either be field installed or the machine hard-wired. The dataplate on the back of the cabinet details the power requirements, including voltage, phase, minimum circuit ampacity and maximum fuse size. HACR type circuit breakers may be used in place of fuses. Extension cords are not permitted. Use of a licensed electrician is recommended. Electrical connections are made inside the junction box in the back panel of the ice machine. Follow all applicable local, state and national codes. January 2015 Page 6 Adjustments Ice Bridge Thickness 1/8 to 3/16 inch bridge Too Thick Correct Correct Too Thin Small Medium Caution: Do not make the bridge too thin or the machine will not harvest properly. Bridge thickness adjustments are not covered by warranty. Shut machine off. Access the ice thickness sensor. Check gap between metal tip and evaporator grid. Standard gap is 7/32 inch. To set 7/32" drill bit between sensor tip and evaporator to check. Adjust gap using adjustment screw. Restart unit and check ice bridge. Repeat as needed. Adjustment Screw January 2015 Page 7 Water purge setting The water purge is factory set to the Automatic setting. The setting can be changed to one of 5 manual settings or placed on automatic. The purge setting shows in the Code Display. purge setting Water Type 1 - Minimum 2 - Moderate 3 - Standard RO water or Low TDS non Setting for equivalent, - RO water typical water TDS less than 35 4 - Heavy High TDS water 5 - Maximum Very high TDS water, greater than 256 A - Automatic Any with conductivity not less than 10 microSiemens/ cm To set: Switch the machine OFF by holding the Off button in until a number or the letter A shows on the display. Press and release the On button repeatedly until the number on the display corresponds to the desired setting. Press and release the Off switch again to return to the normal control state. Product Description and Electrical Requirements - See spec sheet or User's Manual for Minimum Circuit Ampacity or Maximum Fuse SIze Dimensions w” x d” x h” 22 x 24 x 23 same 30 x 24 x 23 same same 30 x 24 x 29 same same same 48 x 24 x 29 same same same same same Model C0522SR-1 same C0530SR-1 same C0630SR-32 C0830SR-32 C0830SR-3 C1030SR-32 C1030SR-3 C1448SR-32 C1448SR-3 C1848SR-32 C1848SR-3 C2148SR-32 C2148SR-3 Electrical 115/60/1 same 115/60/1 same 208-230/60/1 208-230/60/1 208-230/60/3 208-230/60/1 208-230/60/3 208-230/60/1 208-230/60/3 208-230/60/1 208-230/60/3 208-230/60/1 208-230/60/3 Use condenser ERC111-1 ERC211-1** ERC111-1 ERC211-1** ERC311-32 ERC311-32 ERC311-32 ERC311-32 ERC311-32 ERC311-32 ERC311-32 ERC611-32 ERC611-32 ERC611-32 ERC611-32 ** ERC211 has two circuits, when two C0522s or C0530s are connected to it, fan motor relay kit KCMR120 must be used to control the fan motor. Not all models remain available. C0522 remote and ERC211 are discontinued. Ratings include the remote condenser motor, as it is designed to be powered by the ice machine. If connecting remote condenser independently of the ice machine, use the information on the condenser's dataplate for fuse and wire sizes. Table notes: Medium cube models have the same electrical characteristics as Small. Series revision code omitted. All the listed condensers include a headmaster valve. January 2015 Page 8 General Installation - Remote Location Limitations This ice system is made up of three parts, the ice making machine, or head; the remote condenser; and the interconnecting tubing. The ice making machine must be installed indoors, in a controlled environment. Space must be provided near the machine for service access. The remote condenser may be installed above or below the ice machine, per the limits stated later in this manual. The remote condenser may be installed outdoors within the temperature limits listed below. The interconnecting tubing must be installed per the directions stated in this manual, and the amount of tubing exposed to uncontrolled temperatures must be minimized. Space Limitations Although the machine will function with no clearance to the top and sides, some space must be allowed for service access. Building the machine in with no access will cause higher service cost, in many cases this extra cost may not be covered by warranty. Environmental Limitations, ice machine: Minimum Maximum Air temperature 50oF. 100oF. Water temperature 40oF. 100oF. Water Pressure 80 psi 20 psi Environmental Limitations, remote condenser Minimum Maximum Air temperature -20oF. 120oF. Power Supply Minimum Maximum 115 volt model 104 volts 126 volts 208-230 volt model 198 volts 253 volts Central Condenser Coils The ice machine may be connected to a central condenser coil. The requirements are: • Coil – not previously used with mineral oil system. Virgin coil preferred. • Correct size (internal volume) and capacity (BTUH). • Includes a headmaster valve for discharge pressure control. Headmaster kit available for certain MAC condensers, kit number is RCKCME6GX. • Fan motor on all the time or controlled to be on whenever the ice machine is operating. • Non-Scotsman condensers must have prior Scotsman Engineering approval for warranty coverage to be in effect. Precharged tubing kits: The ice making head’s and the remote condenser’s refrigeration circuits must be connected. They are designed to be connected using precharged refrigerant tubing, supplied in kits of liquid and discharge tubes. Several lengths are available, order the one that just exceeds the length needed for the site. 10” 25’ 40’ 75’ RTE10 RTE25 RTE40 RTE75 No additional refrigerant is required. Note: Refrigerant charge is supplied with the ice machine January 2015 Page 9 General Installation - Remote Remote Condenser Location Use the following for planning the placement of the condenser relative to the ice machine - see illustration on the following page. Location Limits - condenser location must not exceed ANY of the following limits: • Maximum rise from the ice machine to the condenser is 35 physical feet • Maximum drop from the ice machine to the condenser is 15 physical feet • Physical line set maximum length is 100 feet. • Calculated line set length maximum is 150. Calculation Formula: • Drop = dd x 6.6 (dd = distance in feet) • Rise = rd x 1.7 (rd = distance in feet) • Horizontal Run = hd x 1 (hd = distance in feet) • Calculation: Drop(s) + Rise(s) + Horizontal Run = dd+rd+hd = Calculated Line Length Configurations that do NOT meet these requirements must receive prior written authorization from Scotsman. Do NOT: • Route a line set that rises, then falls, then rises. • Route a line set that falls, then rises, then falls. Calculation Example 1: The condenser is to be located 5 feet below the ice machine and then 20 feet away horizontally. 5 feet x 6.6 = 33. 33 + 20 = 53. This location would be acceptable Calculation Example 2: The condenser is to be located 35 feet above and then 100 feet away horizontally. 35 x 1.7 = 59.5. 59.5 +100 = 159.5. 159.5 is greater than the 150 maximum and is NOT acceptable. Operating a machine with an unacceptable configuration is misuse and will void the warranty. January 2015 Page 10 General Installation - Remote For The Installer: Remote Condenser Locate the condenser as near as possible to the interior location of the ice machine. Note: The location of the condenser is relative to the ice machine is LIMITED by the specification on the prior page. Meet all applicable building codes. Roof Attachment Install and attach the remote condenser to the roof of the building, using the methods and practices of construction that conform to the local building codes, including having a roofing contractor secure the condenser to the roof. dd 40.35" 22.87" Max 35’ Remote Condenser Located Above Ice Machine 17.15" hd rd Max 15’ Remote Condenser Located Below Ice Machine Condenser Distance and Location Schmatic January 2015 Page 11 General Installation - Remote Precharged Line Routing Do not connect the precharged tubing until all routing and forming of the tubing is complete. See the Coupling Instructions for final connections. 1. Each set of pre-charged tubing lines contains a 3/8” diameter liquid line, and a 1/2” diameter discharge line. Note: The openings in the building ceiling or wall, listed in the next step, are the minimum sizes recommended for passing the refrigerant lines through. 2. Have the roofing contractor cut a minimum hole for the refrigerant lines of 2”. Check local codes, a separate hole may be required for the electrical power supply to the condenser. Caution: Do NOT kink the refrigerant tubing while routing it. 3. Route the refrigerant tubes thru the roof opening. Follow straight line routing whenever possible. Excess tubing may EITHER be coiled up INSIDE the building OR cut out prior to connection to the ice maker and condenser. If the excess tubing is cut out, after re-brazing the tubing must be evacuated prior to connection to the ice maker or condenser. Note brazing requires a nitrogen purge. If the excess tubing is to be coiled, spiral it horizontally to avoid excess trapping in the lines. 5. Have the roofing contractor seal the holes in the roof per local codes. Coupling Instructions The couplings on the ends of the pre-charged line sets are self-sealing when installed properly. Follow these instructions carefully. These steps must be performed by an EPA Certified Type II or higher technician. Initial Connections 1. Remove the protector caps and plugs. Wipe the seats and threaded surfaces with a clean cloth to remove any possible foreign matter. 2. Lubricate the inside of the couplings, especially the threads and O-rings, with refrigerant oil. 3. Position the fittings on the correct connections on the condenser and ice machine.. Final Connections: 4a. Begin by tightening the couplings together by hand until it is certain that the threads are properly engaged. 4b. Then using two wrenches tighten the coupling until it bottoms out or a definite increase in resistance is felt. It is important that ONLY the nut on the pre-charged tube be turned, or the diaphragms will be torn out by the piercing knives and they will be loose in the refrigeration system. Note: As the couplings are tightened, the diaphragms in the quick connect couplings will begin to be pierced. As that happens, there will be some resistance to tightening the swivel nut. 4c. Continue tightening the swivel nut until it bottoms out or a very definite increase in resistance is felt (no threads should be showing). 5. Use a marker or pen to mark a line on the coupling nut and unit panel. Then tighten the coupling nut an additional one-quarter turn. The line will show the amount that the nut turns. Do NOT over tighten. 6. After all connections have been made, and after the receiver valve has been opened (open at Initial Start Up), check the couplings for leaks. January 2015 Page 12 Pre-Charged Tubing Coupling Connections Inspect couplings, wipe clean and lubricate both parts with polyolester refrigerant oil. Hand tighten to be sure threads are properly engaged. Use two wrenches and continue tightening the couplings. As the diaphragms being to pierce, the couplings will be harder to turn. Be sure only the swivel nut is rotated. Continue tightening until the swivel nut feels like it is tight, then go to the next step. No threads will be seen when the couplings are tight. After the swivel nut feels like it is tight, mark the nut and the panel. Then tighten one quarter turn more. That ensures that there is a brass-to-brass joint inside the coupling. January 2015 Page 13 General Installation - Remote Plumbing Requirements All models require connection to cold, potable water. A hand actuated valve within site of the machine is required. Water Filters Install a new cartridge if the filters were used with a prior machine. All models require drain tubing to be attached to them. There is a single ¾” FPT drain fitting in the back of the cabinet. Install new tubing when replacing a prior ice machine, as the tubing will have been sized for the old model and might not be correct for this one. Connect water supply to water inlet fitting. Note: This NSF listed model has a 1" anti-back flow air gap between the potable water inlet tube end and the highest possible reservoir water level, no back flow device is required. Connect drain tubing to drain fitting. Route the drain tubing to building drain. Follow local codes for drain air gap. Use rigid drain tubes and route them separately – do not Tee into the bin’s drain. Vent the reservoir drain. A vertical vent at the back of the drain, extended about 8 – 10” will allow the gravity drain to empty and also keep any surges during draining from discharging water. Horizontal runs of drain tubing need a ¼” per fall per foot of run for proper draining. Follow all applicable codes. Electrical The machine is not supplied with a power cord, one must either be field installed or the machine hard-wired. The dataplate on the back of the cabinet details the power requirements, including voltage, phase, minimum circuit ampacity and maximum fuse size. HACR type circuit breakers may be used in place of fuses. Extension cords are not permitted. Use of a licensed electrician is recommended. The ice maker is designed to operate on its own electrical circuit and must be individually fused. Voltage variation must not exceed the limits listed earlier. The remote condenser is designed to be powered from the ice machine. A separate knockout hole has been provided in the ice maker electrical junction box. Electrical connections are made inside the junction box in the back panel of the ice machine. Remove the junction box cover and route the power cord through the access hole and properly attach the power supply wires to the leads in the junction box. Attach the remote condenser fan motor wires to the wires in the junction box tagged “fan motor leads”. Install field supplied strain reliefs per code. Attach a ground wire to the ground connection in the junction box. Check voltage when complete. Return the junction box cover to its original position and secure with the original screws. Follow all applicable local, state and national codes. January 2015 Page 14 Prodigy Cuber System Information Overall System Type: • Refrigeration: Mechanical, either air cooled, water cooled or remote cooled. • Water System: Inlet water solenoid valve fills reservoir once per cycle. Purge solenoid valve opens to discharge some reservoir water once per cycle. • Control System: Electronic • Harvest cycle sensor: Conductivity probe • Water full/empty sensor: Conductivity probe • Bin Control: Curtain Switch • Ice type: Unified • Harvest system: Hot gas defrost with mechanical assist Electrical Components: • Compressor • Contactor • Water Pump • Inlet Water Solenoid Valve • Purge or purge Valve • Fan Motor(s) • Fan motor pressure control • High pressure cut out – certain AC models only • Harvest Assist Solenoid(s) • Hot Gas Valve(s) • Controller • Transformer – 12v AC for the controller only • Water Level Sensor • Ice Thickness Sensor • Curtain Switch(es) January 2015 Page 15 Controller Information Machine Indicator Lights • Power • Status • Water • Clean Code Display Main codes - automatically displayed F . . . . . . . Freeze Cycle F flashes . . Freeze Cycle is Pending H . . . . . . . Harvest Cycle H flashes . . Manual Harvest b . . . . . . . Binis Full C . . . . . . . Clean Cycle L . . . . . . . Board Locked d . . . . . . . Test Mode O . . . . . . . Off E . . . . . . . Self Test Failed 1 flashes . . Max Freeze - Retrying Change De-Scale Notification Interval - 1 . . . . . . . Max Freeze Time Shut Down This feature is accessible only from standby (Status Light Off). 2 flashes . . Max Harvest - Retrying 2 . . . . . . . Max Harvest Time Shut Down 1. Press and hold harvest button for 3 seconds. 3 . . . . . . . Slow Water Fill This starts the Time to Clean Adjustment Mode and displays the current time to clean setting. 4 . . . . . . . High Discharge Temp 5 . . . . . . . Sump Temp Sensor Failure 7 . . . . . . . Discharge Temp Sensor Failure 2. Press the clean button repeatedly to cycle through the 4 settings: 8 flashes . . Short Freeze - Retrying Prior Effective 11/6/08 8 . . . . . . . Short Freeze - Thin ice 3 months 1 year Setting Codes - requires push button sequence 4 months 0 or disabled Water Purge Settings 5 months 4 months A, 1, 2, 3, 4, 5 6 months (default) 6 months (default) De-Scale notification 3. Push Off to confirm the selection. - see table to the right January 2015 Page 16 Component Indicator Lights • Condenser Fan / Aux (Aux = liquid line solenoid when a remote condenser model) • Water Pump • Purge Valve • Water Solenoid • Hot Gas • Compressor • Ready to Harvest • Sump Empty • Sump Full • Curtain SW1 • Curtain SW2 January 2015 Page 17 How It Works - Air Cooled Freeze Cycle. At start up the controller drains and refills the reservoir. The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water. When the reservoir has filled, the compressor and water pump start. After the discharge pressure has increased past the cut in point of the fan pressure control, the fan motor(s) will begin to operate and warm air will be discharged out the back of the cabinet. The fan motor will switch on and off as the discharge pressure rises and falls. Water flows over the evaporator as the refrigeration system begins to remove heat. When the water temperature falls to a preset point, as measured by the water temperature sensor, the controller shuts off the water pump for 30 seconds. The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator. As it forms, the water flowing over the ice moves closer and closer to the metal tip of the ice thickness sensor. When it comes into contact with the sensor for a few continuous seconds, that signals the controller that the freeze cycle is complete. The controller may shut the air cooled fan motor off for a variable period of time to build up heat for harvest. This is dependant upon the temperature of the discharge line sensor. Harvest Cycle. When the harvest cycle begins, the controller shuts off the fan motor, switches on the hot gas valve, and through a parallel circuit, the harvest assist solenoid. After a few seconds the purge valve opens and water is drained from the reservoir. Based on either the automatic purge or manual purge setting, the pump and purge valve will be switched off at a time determined to have drained enough water for that setting. The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered, which occurs during the reservoir drain cycle. Harvest continues as the hot discharge gas flows into the evaporator serpentine, heating up the evaporator. At the same time the harvest assist solenoid is pushing against the back of the ice slab. When the ice releases from the evaporator, it harvests as a unit, and the harvest assist probe provides some additional force to push it off. When the ice falls off it will force the curtain(s) open. An open curtain during the harvest cycle signals the controller that the evaporator has released its ice. If this is a single evaporator machine the controller will terminate harvest. If it is a two evaporator machine, the controller will continue harvest until both curtains have opened. If one curtain remains open, the controller will shut the machine down on bin full. Anytime harvest is complete the hot gas valve and harvest assist are shut off. The harvest assist pin returns to its normal position by spring pressure. If the curtain(s) re-close after harvest, the freeze cycle will restart. January 2015 Page 18 How It Works - Water Cooled Freeze Cycle. At start up the controller drains and refills the reservoir. The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water. When the reservoir has filled, the compressor and water pump start. After the discharge pressure has increased past the set point of the water regulating valve, the water regulating valve will open and warm water will be discharged out the condenser drain. The water regulating valve will modulate to maintain a relatively constant discharge pressure. Water flows over the evaporator as the refrigeration system begins to remove heat. When the water temperature falls to a preset point, as measured by the water temperature sensor, the controller shuts off the water pump for 30 seconds. The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator. As it forms, the water flowing over the ice moves closer and closer to the metal tip of the ice thickness sensor. When it comes into contact with the sensor for a few continuous seconds, that signals the controller that the freeze cycle is complete. Harvest Cycle. When the harvest cycle begins, the controller switches on the hot gas valve, and through a parallel circuit, the harvest assist solenoid. After a few seconds the purge valve opens and water is drained from the reservoir. Based on either the automatic purge or manual purge setting, the pump and purge valve will be switched off at a time determined to have drained enough water for that setting. The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered, which occurs during the reservoir drain cycle. Harvest continues as the hot discharge gas flows into the evaporator serpentine, heating up the evaporator. At the same time the harvest assist solenoid is pushing against the back of the ice slab. When the ice releases from the evaporator, it harvests as a unit, and the harvest assist probe provides some additional force to push it off. When the ice falls off it will force the curtain(s) open. An open curtain during the harvest cycle signals the controller that the evaporator has released its ice. If this is a single evaporator machine the controller will terminate harvest. If it is a two evaporator machine, the controller will continue harvest until both curtains have opened. If a curtain remains open, the controller will shut the machine down on bin full. Anytime harvest is complete the hot gas valve and harvest assist are shut off. The harvest assist pin returns to its normal position by spring pressure. If the curtain(s) re-close after harvest, the freeze cycle will restart. January 2015 Page 19 How It Works - Remote Freeze Cycle. At start up the controller drains and refills the reservoir. The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water. When the reservoir has filled, the liquid line valve, compressor and water pump are switched on. After the discharge pressure has increased past the set point of the headmaster in the condenser, the headmaster will direct refrigerant gas into the condenser and warm air will be discharged out of the condenser. The headmaster will modulate to maintain a minimum discharge pressure. Water flows over the evaporator as the refrigeration system begins to remove heat. When the water temperature falls to a preset point, as measured by the water temperature sensor, the controller shuts off the water pump for 30 seconds. The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator. As it forms, the water flowing over the ice moves closer and closer to the metal tip of the ice thickness sensor. When it comes into contact with the sensor for a few continuous seconds, that signals the controller that the freeze cycle is complete. Harvest Cycle. When the harvest cycle begins, the controller switches on the hot gas valve, and through a parallel circuit, the harvest assist solenoid. After a few seconds the purge valve opens and water is drained from the reservoir. Based on either the automatic purge or manual purge setting, the pump and purge valve will be switched off at a time determined to have drained enough water for that setting. The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered, which occurs during the reservoir drain cycle. Harvest continues as the hot discharge gas flows into the evaporator serpentine, heating up the evaporator. At the same time the harvest assist solenoid is pushing against the back of the ice slab. When the ice releases from the evaporator, it harvests as a unit, and the harvest assist probe provides some additional force to push it off. When the ice falls off it will force the curtain(s) open. An open curtain during the harvest cycle signals the controller that the evaporator has released its ice. If this is a single evaporator machine the controller will terminate harvest. If it is a two evaporator machine, the controller will continue harvest until both curtains have opened. If a curtain remains open, the controller will shut the machine down. Anytime harvest is complete the hot gas valve and harvest assist are shut off. The harvest assist pin returns to its normal position by spring pressure. If the curtain(s) re-close after harvest, the freeze cycle will restart. Shut down occurs when a curtain remains open after a harvest cycle. The controller will switch off the liquid line solenoid valve and operate the compressor for 30 seconds, then shut it off. January 2015 Page 20 Electrical Sequence - Air or Water Cooled Power connected, unit previously switched Off. Control board does a self check. If the self check fails, the unit displays an E and no further action will occur. If the self check passes, the controller will display a 0, the curtain light(s) will be ON and the Power and Sump Empty lights will be ON. Pushing and releasing the On button will start the ice making process. The display will begin to blink F. The component indicator lights will switch on and off to match the following process: The purge valve opens and the water pump starts to empty the reservoir. This is done to discharge any excess water from ice melting into the reservoir. The hot gas valve and the harvest assist solenoid are energized. The inlet water valve will open to fill the reservoir. The water valve can open any time the water level is low. After a few seconds the purge valve closes and the pump shuts off. When the reservoir is full the inlet water valve stops and the compressor switches on. Five seconds after the compressor starts the hot gas valve and the harvest assist solenoid are de-energized. Light Information: The display shows a non-blinking F. The Power and Status Lights will be Green. The compressor, fan motor, water pump, sump full and one or two curtain switch lights will be ON. The air cooled model's fan motor will start to turn when the discharge pressure has built up to the fan pressure control's cut in point. This is about 15 seconds after the compressor starts. The Freeze cycle continues. The compressor, water pump, fan motor and curtain indicator lights will be ON. When the reservoir water temperature falls to a certain preset point, the water pump will shut off for 30 seconds. This is the anti-slush period. At this time the controller checks the conductivity of the water in the reservoir for the auto-purge feature. After the water pump restarts the Sump Full light will go out and neither sump lights will be on for the rest of the freeze cycle. When the ice has built up enough so that the water flowing over the evaporator comes into continuous contact with the ice level sensor, the Ready to Harvest light will begin to blink on and off. When it has been On continuously for 5 seconds, the controller will switch the machine into a Harvest cycle. Indicator Information: The display shows a non-blinking H. The Power and Status Lights will be Green. The compressor, hot gas valve and one or two curtain switch lights will be ON. After a few seconds the water pump, purge valve and inlet water valve lights will come on. The fan motor(s) shut off and remain off throughout the harvest cycle. The harvest assist solenoid is connected in parallel with the hot gas valve. Although it is energized throughout the harvest cycle, its piston does not move until the ice has become partially loosened from the evaporator plate by the action of the hot refrigerant gas passing through the evaporator serpentine. The water pump and purge valve will shut off when the purge level setting time has been reached, either the manual time or the automatic time. The inlet water valve will remain on until it fills the reservoir. The Ready to Harvest light will switch Off when the ice falls from the evaporator. Harvest continues until the ice slab is ejected from the evaporator and falls, opening the curtain. When the curtain opens, the magnetic reed curtain switch opens, breaking the circuit to the controller. If the curtain recloses within 30 seconds, the controller switches the machine back into another freeze cycle. If the curtain switch remains open, the controller shuts the machine down and puts it into a standby position. January 2015 Page 21 Electrical Sequence - Remote Cooled Power connected, unit previously switched Off. Control board does a self check. If the self check fails, the unit displays an E and no further action will occur. If the self check passes, the controller will display a 0, the curtain light(s) will be ON and the Power and Sump Empty lights will be ON. Pushing and releasing the On button will start the ice making process. The display will begin to blink F. The component indicator lights will switch on and off to match the following process: The purge valve opens and the water pump starts to empty the reservoir. This is done to discharge any excess water from ice melting into the reservoir. The hot gas valve and the harvest assist solenoid are energized. The inlet water valve will open to fill the reservoir. The water valve can open any time the water level is low. After a few seconds the purge valve closes and the pump shuts off. When the reservoir is full the inlet water valve stops, the liquid line valve is opened and the compressor switches on. Five seconds after the compressor starts the hot gas valve and the harvest assist solenoid are de-energized. Light Information: The display shows a non-blinking F. The Power and Status Lights will be Green. The compressor, fan motor, water pump, sump full and one or two curtain switch lights will be ON. The Freeze cycle continues. When the reservoir water temperature falls to a certain preset point, the water pump will shut off for 30 seconds. This is the anti-slush period. At this time the controller checks the conductivity of the water in the reservoir for the auto-purge feature. After the water pump restarts the Sump Full light will go out and neither sump lights will be on for the rest of the freeze cycle. When the ice has built up enough so that the water flowing over the evaporator comes into continuous contact with the ice level sensor, the Ready to Harvest light will begin to blink on and off. When it has been On continuously for 3 seconds, the controller will switch the machine into a Harvest cycle. Indicator Information: The display shows a non-blinking H. The Power and Status Lights will be Green. The compressor, hot gas valve and one or two curtain switch lights will be ON. After a few seconds the water pump, purge valve and inlet water valve lights will come on. The harvest assist solenoid is connected in parallel with the hot gas valve. Although it is energized throughout the harvest cycle, its piston does not move until the ice has become partially loosened from the evaporator plate by the action of the hot refrigerant gas passing through the evaporator serpentine. The remote condenser fan motor is powered by the compressor contactor, so it will be operating during the harvest cycle. The water pump and purge valve will shut off when the purge level setting time has been reached, either the manual time or the automatic time. The inlet water valve will remain on until it fills the reservoir. The Ready to Harvest light will switch Off when the ice falls from the evaporator. Harvest continues until the ice slab is ejected from the evaporator and falls, opening the curtain. When the curtain opens, the magnetic reed curtain switch opens, breaking the circuit to the controller. If the curtain recloses within 30 seconds, the controller switches the machine back into another freeze cycle. If the curtain switch remains open, the controller shuts the machine down and puts it into a standby position. January 2015 Page 22 Remote Schematics Remote Condenser Head Pressure Control Valve Discharge Line Receiver Hot Gas Valve TXV Heat Exchange Suction Compressor Remote Condenser Hot Gas Valve Head Pressure Control Valve TXV Discharge Line Suction Receiver Hot Gas Valve TXV Heat Exchange Suction Accumulator Compressor January 2015 Page 23 Electrical Component Details Compressor • Operated by the compressor contactor. Single phase self contained models have PTCR and run capacitor. Contactor • Operated by the controller and the high pressure cut out switch. Line voltage coil. When energized the Compressor indicator light will be ON. Water Pump • Operated by the controller. When energized, the Water Pump indicator light will be ON. Inlet Water Solenoid Valve • Operated by the controller. Line voltage coil. When energized, the Water Solenoid indicator light will be ON. Purge Valve • Operated by the controller. Line voltage coil. When energized, the Purge Valve indicator light will be ON. Energized for a time during harvest. Fan Motor(s) • Operated by the controller and the fan pressure control. Can cycle on and off in the freeze cycle, always off during harvest. When the controller has energized it, the indicator light will be ON but the fan will not turn unless the discharge pressure is high enough to close the high pressure control. • Fan(s) may shut off near the end of the freeze cycle to build up heat for harvest. Time of shut off depends upon available heat, as measured by the discharge temperature. High pressure cut out • Some air cooled and all remote and all water cooled models have a high pressure cut out switch that shuts the power off to the compressor contactor if the discharge pressure is too high. It is an automatic reset. Harvest Assist Solenoid or Motor(s) • Operated by the controller in parallel with the hot gas valve. Cycles on and off at the beginning of a restart. Energized throughout the harvest cycle. Line voltage coil. January 2015 Page 24 Electrical Component Details Liquid Line Valve • Remote only. Opened by the controller to start a freeze cycle. Closed to shut unit off. Line voltage coil. Hot Gas Valve(s) • Operated by the controller in parallel with the harvest assist solenoid. Cycles on and off at the beginning of a restart. Energized throughout the harvest cycle. Line voltage coil. Controller • Senses ice thickness, water level, water temperature, discharge temperature. Controls compressor contactor, fan motor, water pump, inlet water valve, hot gas valve, purge valve, harvest assist solenoid. Indicates status and component operation. 12 volt. Transformer • 12 volt secondary, supplies power to controller only. Water Level Sensor • Three probe conductivity sensor. Bottom probe is common, mid probe is refill sump, top probe is full sump. Refill can occur at any time. Ice Thickness Sensor • Single wire conductivity sensor. Circuit made from controller to ground to controller when water contacts a probe suspended over ice plate. Signals ready for harvest. Curtain Switch(es) • Magnetic reed switch. Normally open, switch is closed when magnet is nearby. Models with two evaporators have two curtain switches. Single switch can be connected to either J8 or J7 of controller. Curtains may be removed in the freeze cycle without affecting controller operation. A curtain removed during harvest will cause the controller to terminate harvest and shut the unit off. Two curtain models require both curtains to open to terminate harvest, and if either one remains open for 30 seconds that signals the controller to shut the unit off on bin full. Water temperature sensor. • Thermistor inserted into the water pump discharge hose. Reported temperature used by the controller to determine anti-slush cycle start time. January 2015 Page 25 Electrical Component Details Discharge temperature sensor. • Thermistor attached to the discharge line near the compressor. Reported temperature used by the controller to determine end-of-cycle-fan-off-delay time. If discharge temperature exceeds a preset maximum, controller will shut the machine off. Note: Controller will operate machine in a default mode with thermistors disconnected from the controller. Diagnostic code #5 or 7 will be displayed during that time. Component Indicator Lights System Indicator Light ON Condenser Fan or Liquid Line Valve Fan Motor Powered or LLV open Water Pump Pump Motor Powered Purge Valve Purge Valve Opens Inlet Water Solenoid Valve Inlet Water Valve Opens Hot Gas Hot Gas Valve Opens Compressor Contactor Contactor Closes Ready to Harvest Water contacting ice thickness sensor probe Sump Empty Open between mid sensor and common Sump Full Closed between top probe and mid probe Curtain Switch Curtain open January 2015 Page 26 Refrigeration • Refrigerant: R-404A • Compressors: Copeland or Tecumseh hermetic by model • Expansion valves: Non adjustable, internally equalized, one per evaporator. • Hot gas valves: Pilot operated, line voltage coils. One per plate. • Condensers: Forced draft air, counterflow water. All air cooled models have left side air inlet. • 48” wide air cooled models also have front air inlet. All air cooled models exhaust air out the back. • Air filters: Surface mounted to panels. Filter media removable without removing panels. • Fan blades: Reduced vibration blades in most air cooled models. • Remote Systems: Head pressure control valves in condenser. No check valves. Headmaster protected by filters (not filter driers). Controller pumps unit down by closing the liquid line valve and keeping the compressor on for a fixed time period at shut down. • Fan pressure control. All AC. Controls fan motor operation in the freeze cycle. • High pressure cut out. WC, RC, AC with Tecumseh compressors. • Evaporator: Unified cell plate. Nickel plated copper. Three heights: 6”, 12” and 18”. Small cube = half dice, medium cube = full dice. • Small cube: 7/8" high x 7/8" deep x 3/8" high • Medium cube: 7/8" high x 7/8" deep x 7/8" high January 2015 Page 27 Water System • Batch type. Insulated water reservoir contains full water charge for each ice making cycle. • Water valve: Solenoid type. Opens to fill reservoir when mid sensor probe no longer makes a circuit to the bottom probe. Closes when reservoir is full and top probe makes circuit to mid probe. • Pump: Unsealed pedestal type, twist-release mounting • Water purge valve: Solenoid type. Opens to purge water during harvest cycle. • Water Level Sensor: Three probe conductivity. • Distributor: ABS plastic. Evenly distributes water over the evaporator surface. Slides off the evaporator top. Removable cover for ease of cleaning. January 2015 Page 28 Control Operation Standard control: • Electronic controller operating from a 12 AC volt power supply. Will operate within a voltage range between 10 and 15.5. • User’s Indicator lights, four front visible: Power, Status, Water, De-scale/Sanitize. • Accessible On switch. • Accessible Off switch. • Code Display: Displays letters and numbers to indicate cycles and diagnostic codes. • Manual Harvest switch: Use to trigger harvest at any time. • Clean switch: Use to initiate and finish the de-scale or sanitizing cycles. • Component Operation Indicator Lights: Indicate the status of certain components; water level; ready for harvest; curtain switch position. • Power Light: On when power is being supplied to the controller. • Status Light: Green when machine is in ice making mode and is operating correctly. Blinks red when a machine malfunction has been detected. • Water Light: Blinks red when reservoir does not fill with allowed time period. • De-scale / sanitize: Yellow when the controller has determined it is time to de-scale and sanitize the machine. Use clean process to reset light. Time is determined by power up time and controller's setting. Standard setting is 6 months. See adjustment process Controller Connections: • J1 – Ground and Power Supply • J2 – High voltage power harness to loads • J3 – Factory use • J4 – Optional board connector • J5 - Communications port • J6 – Thermistor connection • J7 – Curtain switch • J8 – Curtain switch • J9 – Water level sensor • J10 – Ice thickness sensor • J11 – Bin thermostat. Use with NO thermostat (closes on temperature fall) & specified harness. • J13 - Lower switch panel, D series and higher only. If no switch panel, do not connect anything January 2015 Page 29 Control Safeties Max freeze time – 45 minutes When exceeded, the controller will attempt another freeze cycle. If the next cycle's freeze time is less than maximum, the control will continue normal ice making. If the next freeze cycle was too long, the control will again attempt another freeze cycle. If the freeze cycle is too long three consecutive cycles, the controller will shut the unit off and it must be manually reset. Min freeze time – 6 minutes If the controller switches the machine into harvest within 20 seconds of the minimum freeze time, the controller will harvest for a preset time and does not stop if the curtain switch opens. If this occurs again in the next three cycles, the machine will shut down and must be manually reset. Max harvest time – 3.5 minutes If the harvest cycle has continued for 3.5 minutes without the curtain opening, the controller will shut the machine off for 50 minutes and then restart. If there is another the machine will shut the machine off for another 50 minutes and then restart. If it fails a third consecutive time the controller will shut the machine down and must be manually reset. • Time between resets – 50 minutes • Number of automatic resets – 2 • Max water fill time – 5 minutes. Machine will attempt a restart every 20 minutes. • Max discharge temp – 250 degrees F. • Time interval between cleanings – 6 months power on time - adjustable in one month increments, can be set at 6, 5, 4 or 3 months of power up time. • Manual harvest time – 3 minutes • Pump down interval – remote only. 12 hours. Pump down is 30 seconds of compressor only on time. • Minimum compressor off time – 4 minutes • Continuous Run Time Maximum Cycles - 200 Restarts Power Interruption The controller will automatically restart the ice machine after adequate voltage has been restored. • H blinks on code display • Status indicator light blinks • Reservoir is drained and refilled • Default harvest is initiated. The curtain switch does not have to open to terminate harvest, harvest will continue until the default harvest time expires. Default harvest time is 3 minutes. The machine will then return to a normal freeze cycle. Water Interruption • The controller will attempt to fill the reservoir every twenty minutes until it is successful.. January 2015 Page 30 Control Button Use (from standby) Set purge level, 1-5 (1 is minimum, 5 is maximum) or Automatic: • Hold off button in for 3 seconds. Release. • Press and release the On button to cycle through and select one of the five purge settings or to use the Automatic setting. Recall diagnostic code: • Hold off button in for 3 seconds. Release. • Press and release the Harvest button to cycle through each of the last 10 error codes from most recent to oldest. Clear diagnostic code: • Hold Clean and Harvest buttons in for 3 seconds to clear all prior codes. If clean mode begins, push Off. Reset control: • Depress and release Off, then depress and release On Start Test Mode: • Hold Off button in for 3 seconds. Release. • Hold Clean button in for 3 seconds. Release. Lock / Unlock control: • Hold On button in for 3 seconds, keep holding then press and release Off twice. Empty reservoir: • Hold Clean button in for 3 seconds. Release. Pump and purge valve will be ON for 30 seconds. Repeat as needed. Test Mode: • Depress Off for 3 seconds, release. Then depress Clean for 3 seconds. • The sump will fill the first 30 seconds of the test. If the sump is full it will overflow into the bin. At 30 seconds the WIV will shut off and the WP will turn on. You will be able to see and hear the water running over the plates. After 10 seconds the PV and HGV will turn on. Water will be purging from the machine. After 10 more seconds the compressor will start. 5 seconds later the HGV will close. The compressor will run for a total of 20 seconds. After which everything will turn off for 5 seconds. After that time the HGV will open and you’ll be able to hear the hissing as the pressure is equalized. 10 seconds later the fan will turn on (if air cooled and fan control jumped). After 10 seconds all will be off and the output test will be complete January 2015 Page 31 Control Button Use - continued Change De-Scale Notification Interval Like the others, this feature is accessible only from standby (Status Light Off). 1. Press and hold harvest button for 3 seconds. Starts the Time to Clean Adjustment State and displays the current time to clean setting. 2. Press the clean button repeatedly to cycle through the 4 possible settings: Rev 5 and up (10/08 production start) • 1 year (8760 hours) • 0 (disabled) • 4 months (2920 hrs) • 6 months (4380 hours) (default) Prior • 6 months • 5 months • 4 months • 3 months 3. Press Off or leave untouched for 60 seconds to select the displayed interval Test Mode Sequence Table - Air or Water Cooled Time (seconds) 0 30 40 50 55 70 75 85 95 On WIV - 30 seconds WP - 10 seconds WP, PV, HGV - 10 seconds HGV, Comp Comp - 15 seconds None HGV - 10 seconds Fan - 10 seconds None All – Off WP, HGV, Comp, Fan, PV WIV, HGV, Comp, Fan, PV WIV, Comp, Fan 5 seconds WIV, WP, Fan, PV WIV, HGV, WP, Fan, PV 5 seconds All WIV, WP, Comp, Fan, PV WIV, HGV, WP, Comp, PV Test Complete On WIV - 30 seconds WP - 10 seconds WP, PV, HGV - 10 seconds HGV, Comp - 5 seconds Comp - 15 seconds None - 5 seconds HGV - 5 seconds BV - 5 seconds None Off WP, HGV, Comp, BV, PV WIV, HGV, Comp, BV, PV WIV, Comp, BV WIV, WP, BV, PV WIV, HGV, BV, WP, PV All WIV, WP, Comp, BV, PV WIV, HGV, WP, Comp, PV All – Test Complete Test Mode - Remote Test Time (seconds) 0 30 40 50 55 70 75 80 85 January 2015 Page 32 Compressor Electrical Chart Resistance reading tolerance is +- 10% Ice Machine Series Voltage/Hz/Phase Compressor Start Winding Run Winding Ohms .59 C0322 or C0330-1 ABD 115/60/1 AKA9438ZXA Ohms 4.22 C0330-6 A or B 230/50 AKA9438ZXC 7.11 2.69 C0330-32 A or B 208-230/60/1 AKA9468ZXD 10.43 1.77 C0522 or C0530-1 A or B 115/60/1 AKA9451ZXA 5.95 .69 C0530-6 A or B 230/50 AKA9451ZXC 7.11 2.69 C0530-32 A or B 208-230/60/1 AKA9451ZXD 10.43 1.77 C0530 -1 C or D 115/60/1 RST45C1E-CAA C0530 - 6 C or D 230/50/1 RST45C1E-CAB C0530 - 32 C or D 208-230/60/1 RST45C1E-CAV C0722 or C0630-32 ABD 208-230/60/1 AJA7490ZXD 2.74 1.52 C0630-6 ABD 230/50 AJA7490ZXC 2.23 2.02 C0830-32 ABD 208-230/60/1 CS10K6EPFV 3.10 1.16 C0830-6 ABD 230/50 CS10K6EPFJ 3.79 1.39 C0830-3 ABD 208-230/60/3 CS10K6ETF5 - 1.77 C1030-32 ABD 208-230/60/1 CS12K6EPFV 3.10 1.16 C1030-6 ABD 230/50 CS12K6EPFJ 3.79 1.39 C1030-3 ABD 208-230/60/3 CS12K6ETF5 - 1.77 C1448-32 ABD 208-230/60/1 CS14K6EPFV 2.66 1.08 C1448-6 ABD 230/50 CS14KSEPFJ 2.64 1.4 C1448-3 ABD 208-230/60/3 CS14K6ETF5 - - C1848-32 ABD 208-230/60/1 CS20K6EPFV 2.37 .65 C1848-6 ABD 230/50 CS20K6EPFZ C1848-3 ABD 208-230/60/3 CS20K6ETF5 - - C2148-32 ABD WC 208-230/60/1 CS24K6EPFV 2.35 .53 C2148-6 WC ABD 230/50 CS24K6EPFZ C2148-3 WC ABD 208-230/60/3 CS24K6ETF5 - - C2148-32 R ABD 208-230/60/1 CS27K6EPFV 2.35 .53 C2148-6 R ABD 230/50 CS27K6EPFZ C2148-32 R ABD 208-230/60/3 CS27K6ETF5 January 2015 Page 33 Refrigerant Charges and Pressure Switches Model C0322A C0322W C0330A C0330W C0522A C0522W C0522R C0530A (A or B series) C0530A C series C0530W (A thru C series) C0530R (A thru C series) C0630A C0630W C0630R C0722A C0830A C0830W C0830R C1030A C1030W C1030R C1448A C1448W C1448R C1848A C1848W C1848R C2148W C2148R R-404A in ounces 14 11 14 11 17 14 160 22 21 11 160 36 14 160 17 46 34 208 48 38 208 62 56 256 62 63 320 69 320 Pressure Switches Cut In, Cut Out Fan Pressure Control, 22” and 30” Fan Pressure Control, 48” High Pressure Cut Out AC High Pressure Cut Out WC High Pressure Cut Out, Remote Cut In (PSIG) 240 280 390 300 350 January 2015 Page 34 Cut Out (PSIG 190 220 500 400 450 Compressor Amp Draws - amps peak and then decline during each cycle Series C0322 ABD ABD C0522 ABD ABD C0330 AB AB C0330 C CD CD C0530 A or B AB AB C0530 C CD CD C0722 or C0630 A B D C0830 ABD ABD C1030 ABD ABD C1448 ABD ABD C1848 ABD ABD C2148 W AB AB C2148R ABD ABD Voltage 115 230 115 230 115 230 115 230 115 230 115 230 230 single phase three phase single phase three phase single phase three phase single phase three phase single phase three phase single phase three phase Brand Tecumseh Tecumseh Tecumseh Tecumseh Tecumseh Tecumseh Copeland Copeland Tecumseh Tecumseh Copeland Copeland Tecumseh Copeland Copeland Copeland Copeland Copeland Copeland Copeland Copeland Copeland Copeland Copeland Copeland Base Model AKA9438 Freeze 7.3 - 4.8 Harvest 6.2 AKA9451 AKA9438 7.9 - 6.5 6 - 4.5 6.2 - 4.8 7.2 6 5.7 RST45 7 - 5.3 6.4 - 7 AKA9451 8 - 6.5 9.3 RST45 RST45 AJA7490 CS10 6.9 - 5.5 3 - 2.2 5.8 - 5.0 6.4 - 5.3 4.5 - 3.5 7.3 - 4.8 4.4 - 3.2 12.5 - 7.6 7.2 - 4.5 16 - 10 14 - 8 18 - 12 10.5 - 7.2 20 - 14 13.5 - 8 6.6 - 7.0 2.5 6.8 6.6 5 6.2 5.5 9.2 5.5 - 5.7 15 10 18 14 19.6 - 16 13 - 12 CS12 CS14 CS20 CS24 CS27 January 2015 Page 35 Heat Load & Condenser Water GPM Air Cooled - Average heat load for air conditioning unit sizing Model C0322 C0522 C0330 C0530 C0630 C0722 C0830 C1030 C1448 C1848 BTUH 5200 7900 5200 7900 12700 12700 13700 16200 20000 27400 Water Cooled Water Use - condenser only, Model C0322 C0522 C0330 C0530 C0630 C0803 C1030 C1448 C1848 C2148 GPM, 45oF. water inlet temp .2 .3 .1 .3 .4 .4 .4 .6 1.0 1.0 GPM, 70oF. water nlet temp .3 .7 .3 .5 .7 .8 1.0 1.1 1.8 2.0 January 2015 Page 36 Thermistor Values Deg. F Ohms Deg. F Ohms Deg. F Ohms Deg. F Ohms Deg. F Ohms 0 85325 1 82661 2 80090 3 77607 4 75210 5 72896 6 70660 7 68501 8 66415 9 64400 10 62453 11 60571 12 58752 13 56995 14 55296 15 53653 16 52065 17 50529 18 49043 19 47607 20 46217 21 44872 22 43571 23 42313 24 41094 25 39915 26 38774 27 37669 28 36600 29 35564 30 34561 31 33590 32 32649 33 31738 34 30855 35 30000 36 29171 37 28368 38 27589 39 26835 40 26104 41 25395 42 24707 43 24041 44 23394 45 22767 46 22159 47 21569 48 20997 49 20442 50 19903 51 19381 52 18873 S3 18381 54 17903 55 17439 56 16988 57 16551 58 16126 59 15714 60 15313 61 14924 62 14546 63 14179 64 13823 65 13476 66 13139 67 12812 68 12494 69 12185 70 11884 71 11592 72 11308 73 11031 74 10763 75 10502 76 10247 77 10000 78 9760 79 9526 80 9299 81 9077 82 8862 83 8652 84 8448 85 8250 86 8056 87 7868 88 7685 89 7507 90 7333 91 7164 92 6999 93 6839 94 6683 95 6530 96 6382 97 6238 98 6097 99 5960 100 5826 101 5696 102 5569 103 5446 104 5325 105 5208 106 5093 107 4981 108 4872 109 4766 110 4663 111 4562 112 4463 113 4367 114 4273 115 4182 116 4093 117 4006 118 3921 119 3838 120 3757 121 3678 122 3601 123 3526 124 3452 125 3381 126 3311 127 3243 128 3176 129 3111 130 3047 131 2985 132 2924 133 2865 134 2807 135 2751 136 2696 137 2642 138 2589 139 2537 140 2487 141 2438 142 2390 143 2343 144 2297 145 2252 146 2208 147 2165 148 2123 149 2082 150 2042 151 2003 152 1965 153 1927 154 1890 155 1855 156 1819 157 1785 158 1752 159 1719 160 1687 161 1655 162 1624 163 1594 164 1565 165 1536 166 1508 167 1480 168 1453 169 1427 170 1401 171 1375 172 1350 173 1326 174 1302 175 1279 176 1256 177 1234 178 1212 179 1190 180 1169 181 1149 182 1129 183 1109 184 1090 185 1071 186 1052 187 1034 188 1016 189 998 190 981 191 965 192 948 193 932 194 916 195 901 196 885 197 871 198 856 199 842 200 828 201 814 202 800 203 787 204 774 205 761 206 749 207 737 208 724 209 713 210 701 211 690 212 679 213 668 214 657 215 646 216 636 217 626 218 616 219 606 220 597 221 587 222 578 223 569 224 560 225 551 226 543 227 534 228 526 229 518 230 510 231 502 232 495 233 487 234 480 235 472 236 465 237 458 238 451 239 444 240 438 241 431 242 425 243 419 244 412 245 406 246 400 247 394 246 389 249 383 250 377 January 2015 Page 37 Cleaning - A, B or C Series All models have an indicator light that switches on to inform the user that the cleaning interval has been reached. It does not stop the machine from making ice. All models have a Clean mode. In the A, B or C series machines, it is a two-step, user timed system. After readying the machine for cleaning, the first push of the Clean button drains the reservoir and refills it. The cleaning process is designed to use straight nickel safe ice machine scale remover, added between draining and refilling. After the scale remover has been added, the person cleaning the machine is in control of how long to circulate the scale remover. It is important that the Sump Empty light switch on during this part of cleaning, if it does not the inlet water valve will not add water and the scale remover cannot circulate. If this occurs, push off, un-snap the Water Level Sensor and lift slightly, then push Clean again. A second push of the Clean button starts the flush out process. This drains and refills the reservoir until the person cleaning the machine pushes the Off button. This process should last at least 20 minutes to fully flush out the scale remover and loose scale. it is the second push of the Clean button that clears the Cleaning Reminder Light After the scale remover has been drained out, the water distributor must be inspected for loose scale and cleaned of any. Removal of the sump cover, pump bracket and curtain is next to be sure those parts have been cleaned. Cycle power to the controller as a final step before restarting ice making. January 2015 Page 38 Cleaning - Prodigy Plus D Series All models have an indicator light that switches on to inform the user that the cleaning interval has been reached. It does not stop the machine from making ice. All models have a Clean mode. In the D series machines, it is a single step, automatic system. A single push of the Clean button puts the machine into a Manual Harvest to release any ice and warm up the system, then it drains the reservoir and refills it. The cleaning process is designed to use straight nickel safe ice machine scale remover, added between draining and refilling. The controller will indicate the proper time to add the scale remover by blinking A d 1. The rest is automatic, the controller will circulate and then flush out the scale remover. No manual timing is needed. After the scale remover has been drained out, the water distributor must be inspected for loose scale and cleaned of any. Removal of the sump cover, pump bracket and curtain is next to be sure those parts have been cleaned. January 2015 Page 39 Critical Maintenance - Water Level Sensor 1. Remove Water Level Sensor 2. Release probes by pushing pints in. 3. Pull down, then lift up to remove probe. 4. Clean all dirty and scale from the housing. 5. Clean entire probe, be sure circled area is clean. January 2015 Page 40 Critical Maintenance - Ice Thickness Sensor The freeze cycle on a Prodigy cuber is controlled by an ice thickness sensor positioned in front of the ice making surface. It is triggered by water contact. Water contacts the sensor when the ice is at the proper size. During use the Ice Thickness Sensor will become coated with mineral scale from the water, which if left untreated can cause changes in bridge thickness. To correct, the Ice Thickness Sensor must have the mineral scale removed. 1. Remove the ice thickness sensor from the water distributor bracket. 2. Separate the metal sensor from the plastic insulator-bracket. 3. Wipe the sensor with diluted ice machine scale remover, 4. Scrub the white or dark gray plastic insulator-bracket with diluted ice machine scale remover and remove all traces of mineral build up 5. Wipe the wire to the bulkhead with diluted ice machine scale remover. 6. Wash all ice thickness sensor parts off with clean water. 7. Blow air thru metal sensor and insulator-bracket to dry them. 8. Reassemble and remount to water distributor bracket. Insulator-Bracket Metal Sensor January 2015 Page 41 Separate these two parts. Clean them with diluted ice machine scale remover. Rinse with clean water. Blow dry and reassemble. Critical Maintenance - Spillway The freeze cycle on a Prodigy cuber is controlled by an ice thickness sensor positioned in front of the ice making surface. It is triggered by water contact. Normally water only contacts the sensor when the ice is at the proper size. However, irregular water flow can cause premature contact resulting in a short freeze cycle, small bridge, long harvest and even a shut down on short freeze (code 8). The primary procedure for correcting poor water flow is to scrub the spillway surface. 1. Shut machine off. 2. Remove right side panel liner and panel. 3. Disconnect ice thickness sensor from its bracket and move out of the way. 4. Scrub 4 to 6 strokes across the normal flow of water. A clean nylon scrubbing pad is the recommended tool. 5. Reassemble all components and retest operation. Spillway Surface Other short freeze causes include: • Mis-adjustment of ice thickness sensor. • Broken, bent, or dismounted ice thickness sensor. • Sagging water distributor mounting bracket. See Service Bulletin PS-9-2012. January 2015 Page 42 Diagnostics – Air Cooled No ice Problem Likely Cause No power to unit Power disconnected Check breaker or fuse. Reset or replace, restart and check Probable Solution No power to controller Transformer open Replace transformer Shut down on maximum water fill time Water shut off Restore water supply Shut down on maximum freeze time Water leak Check purge valve, curtain, sump, pump hose Air filters clogged Clean air filters Dirty condenser Clean condenser Restricted location, intake air too hot Have machine moved Ice thickness sensor dirty or disconnected Check ice thickness sensor probe Water distributor dirty Remove and clean water distributor Inlet water valve leaks through during freeze Check inlet water valve Connected to hot water Check for bleed thru from / missing check valve in building water supply Incomplete harvest Check harvest system High pressure cut out opened Check fan motor pressure control, check fan motor, check controller using test mode Fan motor pressure control open Check fan pressure control Fan motor not turning Check fan motor, check fan blade, check controller using test mode Water pump not pumping Check pump motor, check controller using test mode Pump hose disconnected Check hose Compressor not operating Check compressor contactor, check controller using test mode Check compressor start components, check PTCR resistance and temperature Check compressor voltage Check compressor windings Low refrigerant charge Add some refrigerant and restart unit. If cycle time improves, look for leak. Hot gas valve leaks through during freeze Check hot gas valve for hot outlet during freeze Thermostatic expansion valve bulb loose Check bulb Thermostatic expansion valve producing very low or very high superheat Check evaporator superheat, change TXV if incorrect Compressor inefficient Check compressor amp draw, if low and all else is correct, change compressor January 2015 Page 43 Diagnostics - Air Cooled Problem Likely Cause Probable Solution Shut down on maximum harvest time Ice bridge thickness too small, not enough ice to open curtain Check and adjust if needed Ice bridge thickness too large, ice frozen to evaporator frame Check and adjust if needed Purge valve does not open, water melts ice bridge, not enough ice to open curtain Check purge valve Incomplete ice formation Check water distributor for partially plugged holes Curtain out of position Check curtain for swing restriction Curtain switch does not open when curtain does Check switch with ohmmeter Machine in very cold ambient Move machine to a warmer location Hot gas valve does not open Check hot gas valve, check controller using test mode Harvest assist probe out of position – ejector pin not retracted Check harvest assist mechanism – spring should retract pin Damaged evaporator Check evaporator surface Shut down on minimum freeze time Fan motor stays on during harvest Check controller using test mode Grounded ice thickness sensor Check sensor for dirt and position. Clean and check gap to evaporator surface Restricted water distributor Clean water distributor Dirty spillway surface Scrub spillway Bridge thickness too thin Adjust to correct thickness January 2015 Page 44 Low Ice Making Capacity - Air Cooled Problem Likely Cause Probable Solution Long freeze cycle Dirty air filters Clean filters Dirty condenser Clean condenser Hot ambient Reduce room air temperature Water leak Check purge valve, check curtain Water inlet valve leaks through Check inlet valve Low on refrigerant Add refrigerant, if cycle time drops, check for leak Incorrect superheat Check evaporator superheat, if significantly low or high, replace TXV Fan(s) cycle on and off Check pressures fans cycle at. Replace fan pressure switch if too low Dirty evaporator De-scale water system No harvest assist Check harvest assist solenoid Bridge thickness too big Check and adjust bridge thickness Machine in very cool ambient Increase room temperature Ice jammed in between curtain and sump Clear ice away Curtain does not close correctly Check curtain for proper swing Long Harvest Cycle False bin full signal Makes Excessive Noise - Air cooled Problem Likely Cause Probable Solution Fan blade vibrates Blade is bent Replace fan blade Fan motor mount is broken Replace motor mount Compressor vibrates Mounting bolts loose Tighten bolts Water pump vibrates Pump bearings worn Replace pump Panels vibrate Mounting screws loose Tighten screws January 2015 Page 45 Diagnostics – Water Cooled No ice Problem Likely Cause No power to unit Power disconnected Check breaker or fuse. Reset or replace, restart and check Probable Solution No power to controller Transformer open Replace transformer Shut down on maximum water fill time Water shut off Restore water supply Shut down on maximum freeze time Water leak Check purge valve, curtain, sump, pump hose Ice thickness sensor dirty or disconnected Check ice thickness sensor probe Water distributor dirty Remove and clean water distributor Inlet water valve leaks through during freeze Check inlet water valve Connected to hot water Check for bleed thru from / missing check valve in building water supply Incomplete harvest Check harvest system High pressure cut out opened Water supply cut off, restore water supply to condenser Fan motor pressure control open Check fan pressure control Fan motor not turning Check fan motor, check fan blade, check controller using test mode Water pump not pumping Check pump motor, check controller using test mode Pump hose disconnected Check hose Compressor not operating Check compressor contactor, check controller using test mode Check compressor start components, check PTCR resistance and temperature Check compressor voltage Check compressor windings Low refrigerant charge Add some refrigerant and restart unit. If cycle time improves, look for leak. Hot gas valve leaks through during freeze Check hot gas valve for hot outlet during freeze Thermostatic expansion valve bulb loose Check bulb Thermostatic expansion valve producing very low or very high superheat Check evaporator superheat, change TXV if incorrect Compressor inefficient Check compressor amp draw, if low and all else is correct, change compressor January 2015 Page 46 Diagnostics - Water Cooled Problem Likely Cause Probable Solution Shut down on maximum harvest time Ice bridge thickness too small, not enough ice to open curtain Check and adjust if needed Ice bridge thickness too large, ice frozen to evaporator frame Check and adjust if needed Purge valve does not open, water melts ice bridge, not enough ice to open curtain Check purge valve Incomplete ice formation Check water distributor for partially plugged holes Curtain out of position Check curtain for swing restriction Curtain switch does not open when curtain does Check switch with ohmmeter Machine in very cold ambient Move machine to a warmer location Hot gas valve does not open Check hot gas valve, check controller using test mode Harvest assist probe out of position – ejector pin not retracted Check harvest assist mechanism – spring should retract pin Damaged evaporator Check evaporator surface Grounded ice thickness sensor Check sensor for dirt and position. Clean and check gap to evaporator surface Restricted water distributor Clean water distributor Dirty spillway surface Scrub spillway Bridge thickness too thin Adjust to correct thickness Shut down on minimum freeze time January 2015 Page 47 Low Ice Making Capacity - Water Cooled Problem Likely Cause Probable Solution Long freeze cycle Dirty air filters Clean filters Dirty condenser Clean condenser Hot ambient Reduce room air temperature Water leak Check purge valve, check curtain Water inlet valve leaks through Check inlet valve Low on refrigerant Add refrigerant, if cycle time drops, check for leak Incorrect superheat Check evaporator superheat, if significantly low or high, replace TXV Fan(s) cycle on and off Check pressures fans cycle at. Replace fan pressure switch if too low Dirty evaporator De-scale water system No harvest assist Check harvest assist solenoid Bridge thickness too big Check and adjust bridge thickness Machine in very cool ambient Increase room temperature Ice jammed in between curtain and sump Clear ice away Curtain does not close correctly Check curtain for proper swing Long Harvest Cycle False bin full signal Makes Excessive Noise - Water cooled Problem Likely Cause Probable Solution Compressor vibrates Mounting bolts loose Tighten bolts Water pump vibrates Pump bearings worn Replace pump Panels vibrate Mounting screws loose Tighten screws January 2015 Page 48 Diagnostics – Remote Air Cooled No ice Problem Likely Cause No power to unit Power disconnected Check breaker or fuse. Reset or replace, restart and check Probable Solution No power to controller Transformer open Replace transformer Shut down on maximum water fill time Water shut off Restore water supply Shut down on maximum freeze time Water leak Check purge valve, curtain, sump, pump hose Dirty condenser Clean condenser Restricted location, intake air too hot Have condenser moved Ice thickness sensor dirty or disconnected Check ice thickness sensor probe Water distributor dirty Remove and clean water distributor Inlet water valve leaks through during freeze Check inlet water valve Connected to hot water Check for bleed thru from / missing check valve in building water supply Incomplete harvest Check harvest system High pressure cut out opened Check fan motor pressure control, check fan motor, check controller using test mode Fan motor not turning Check fan motor, check fan blade Water pump not pumping Check pump motor, check controller using test mode Pump hose disconnected Check hose Compressor not operating Check compressor contactor, check controller using test mode Check compressor start components, check PTCR resistance and temperature Check compressor voltage Check compressor windings Low refrigerant charge Add some refrigerant and restart unit. If cycle time improves, look for leak. Hot gas valve leaks through during freeze Check hot gas valve for hot outlet during freeze Thermostatic expansion valve bulb loose Check bulb Thermostatic expansion valve producing very low or very high superheat Check evaporator superheat, change TXV if incorrect Liquid line valve does not open Check coil of valve, check controller using test mode Compressor inefficient Check compressor amp draw, if low and all else is correct, change compressor Debris in refrigeration system Recover charge. Open quick connects, check for loose or missing foil. Open liquid line and hot gas valves. Check for debris. Replace drier, evacuate and weigh in nameplate charge. January 2015 Page 49 Diagnostics - Remote Air Cooled Problem Likely Cause Probable Solution Shut down on maximum harvest time Ice bridge thickness too small, not enough ice to open curtain Check and adjust if needed Ice bridge thickness too large, ice frozen to evaporator frame Check and adjust if needed Purge valve does not open, water melts ice bridge, not enough ice to open curtain Check purge valve Incomplete ice formation Check water distributor for partially plugged holes Curtain out of position Check curtain for swing restriction Curtain switch does not open when curtain does Check switch with ohmmeter Hot gas valve does not open Check hot gas valve, check controller using test mode Harvest assist probe out of position – ejector pin not retracted Check harvest assist mechanism – spring should retract pin Damaged evaporator Check evaporator surface Grounded ice thickness sensor Check sensor for dirt and position. Clean and check gap to evaporator surface Restricted water distributor Clean water distributor Dirty spillway surface Scrub spillway Bridge thickness too thin Adjust to correct thickness Shut down on minimum freeze time January 2015 Page 50 Low Ice Making Capacity - Remote Air Cooled Problem Long Harvest Cycle False bin full signal Likely Cause Probable Solution Dirty condenser Clean condenser Hot ambient Check condenser inlet temp Water leak Check purge valve, check curtain Water inlet valve leaks through Check inlet valve Low on refrigerant Add refrigerant, if cycle time drops, check for leak Incorrect superheat Check evaporator superheat, if significantly low or high, replace TXV Dirty evaporator De-scale water system No harvest assist Check harvest assist solenoid Bridge thickness too big Check and adjust bridge thickness Machine in very cool ambient Increase room temperature Ice jammed in between curtain and sump Clear ice away Curtain does not close correctly Check curtain for proper swing Makes Excessive Noise - Air cooled Problem Likely Cause Probable Solution Fan blade vibrates Blade is bent Replace fan blade Fan motor mount is broken Replace motor mount Compressor vibrates Mounting bolts loose Tighten bolts Water pump vibrates Pump bearings worn Replace pump Panels vibrate Mounting screws loose Tighten screws January 2015 Page 51 Test Procedures - Sensors All electrical components in this ice machine can be diagnosed with a volt-ohmmeter. Curtain Switch: 1. Test using the controller’s indicator lights. Observe SW1 and SW2. Open and close the curtain in question. When the curtain is opened, the SW light will be ON. When the curtain gets to within a half inch of closing (at the switch) the SW light will go OUT. 2. Test with an ohmmeter. Disconnect electrical power. Open the control box cover. Unplug the curtain switch lead from the controller. Connect an ohmmeter to the leads of the switch. Open and close the curtain. When the curtain is closed, the switch is closed and there will be continuity. When the curtain is open, the switch is open and the circuit will be open. 3. Test the controller’s curtain switch circuit by jumping the connectors on J1 or J2 together. Reconnect electrical power. When jumped, the matching SW light will go out. When unplugged or open, the SW light will be ON. Curtain Switch Indicator Lights Light is ON when curtain is OPEN Single curtain models have one indicator light ON all the time. January 2015 Page 52 Ice Thickness Sensor 1. Test using the controller’s indicator light. Observe the Ready To Harvest light. Shut the machine off. Use a wire to connect the metal part of the Ice Thickness sensor to the evaporator or simply remove the Ice Thickness Sensor and touch its metal surface to the metal control box wall. The Ready for Harvest light should go ON. 2. Test with an Ohmmeter. Disconnect electrical power. Open the control box cover. Unplug the ice thickness sensor lead from the controller. Connect an ohmmeter lead to the ice thickness sensor lead, touch the other ohmmeter lead to the ice machine chassis. There must be an open circuit. If there is continuity, the sensor must be replaced. If there is no continuity, touch the ohmmeter lead to the metal part of the ice thickness sensor. There should be continuity. If open, check the ice thickness sensor for scale build up. Clean and recheck. If still open, replace the ice thickness sensor. 3. Test the controller’s ice thickness sensor circuit by connecting a wire from J10 to ground. Reconnect electrical power. The Ready for Harvest light should go ON. Ready To Harvest light is ON when water contacts ice thickness sensor. Ice Thickness Sensor January 2015 Page 53 Water Level Sensor 1. Test using the controller’s indicator lights (sump empty and sump full). Unit must be powered up and there must be water in the sump. Add some manually if needed. Locate water level sensor. Release from sump cover and slowly lift up until the mid-length probe is out of the water. The sump empty light should come on, and if the unit is on the inlet water solenoid valve will open to fill the reservoir. Return the water level sensor to its normal position. If the unit is on and calling for ice the water will fill until the top probe is in contact with it, at that time the sump full light will switch ON. 2. Test with an ohmmeter. Disconnect electrical power. Open the control box cover. Unplug the connector at J9. Locate water level sensor and remove it from the sump cover. Test 1: Place one lead of the ohmmeter on the longest probe and the other on the controller end of the red wire, there should be continuity. Test 2: Place one lead on the controller end of the white wire and the other on the mid-length probe, there should be continuity. Test 3: Place on lead on the controller end of the black wire and the other on the shortest probe, there should be continuity. If not, clean the probes and recheck. 3. Test the controller’s water level sensor circuit. Reconnect electrical power. Unplug harness from water level sensor, the sump empty light should be ON. Jump harness wires white and black. The sump full light should be ON. Jump harness wires white and red, the sump full and sump empty lights will be OFF. Check harness wire by wire for continuity if there is no reaction from the controller during this test. Sump Empty Light Sump Full Light January 2015 Page 54 Temperature Sensors 1. Check controller. If the sensor calibration is completely out of range, the code display will read either 5 or 7. 2. Check with an ohmmeter. • Open control box cover, unplug sensor from J6. Water temperature probe: • Measure the temperature of the water. • Push and release the clean button. • Wait one minute. • Measure the resistance of the water probe (two leads next to the open socket) and compare to the resistance in the chart for that temperature. Any reading within 1000 ohms is acceptable. Discharge sensor: • Measure the temperature of the discharge line as close to the sensor as possible. • Measure the resistance of the discharge temperature sensor (two leads farthest away from the open socket on the harness connector) and compare to the resistance in the chart for that temperature. Any reading within 1000 ohms is acceptable. 3. Alternate procedure: Remove both water and discharge sensors from their places on the ice machine. Put both into a container of ice water. Put a thermometer in the water. When the thermometer is at 32 degrees F., check the resistance of each sensor. The resistance should be within 1000 ohms of 32649. Water Temperature Set Discharge Temperature Set January 2015 Page 55 Test Procedures - Compressor Failure to start. Single phase models. All have resistance start, capacitor run type motors. Check voltage to compressor at the contactor. Compare the idle voltage (compressor off) to the active voltage (compressor starting). The supply voltage must not be less than the lowest rated voltage for the ice machine. If the voltage is correct, proceed to the next step. Check starting components. Most models use a PTCR to cut power to the start winding after the compressor has started. Check the PTCR for resistance. The resistance check must be when the PTCR is at room temperature – any temperature between 50 and 100. At that temperature resistance should be very low between 25 and 50 ohms. Also check resistance to ground, it should be infinite. If the PTCR is good, check the compressor windings. Measure resistance from Common to ground. It should be infinite. Measure resistance from Common to Run – compare to the chart. Measure resistance from Common to Start – compare to the chart. Compressor check for high amp draw. Measure amp draw of starting circuit. If it does not drop off immediately after start up, the PTCR should be replaced. It is not practical to check a PTCR for resistance at high temperatures as the resistance drops very fast as the PTCR’s temperature falls. If the compressor is drawing excessive amps but is operating, the run capacitor may be open. Disconnect electrical power, discharge the capacitor and measure its resistance. If open, replace it. If shorted to ground, replace it. Any time the compressor is replaced, the PTCR and run capacitor should also be replaced, or if the model was equipped with a potential relay, start capacitor and run capacitor, those should be replaced with the compressor. Most Scotsman service compressors include those parts. Some systems use a potential start relay and start capacitor in place of the PTCR. Potential relay. If the compressor will not start, check the amp draw of the starting circuit. If very low, the potential relay contacts or start capacitor may be open. Measure the resistance of the potential relay contacts and the start capacitor. If either is open it should be replaced. If the compressor starts but draws very high amps from the starting circuit, the potential relay may not switch off. In that case the relay should be replaced. January 2015 Page 56 Test Procedures - Fan motor 1. Test using the controller’s indicator lights. Note: Fan pressure control connection must be jumped to perform this test. Put the controller into test mode (depress Off for 3 seconds then depress Clean for 3 seconds). At the end of the test cycle, the fan motor will be powered and the Condenser Fan motor indicator light will be on. The fan motor should start and run at that time. If it does not, repeat the test but check the voltage to the fan motor, it must receive full voltage at the fan motor lead connection at the end of the test. If there is voltage and the motor does not operate, replace the motor. If there is no voltage, check the controller high voltage harness connection. The fan motor lead is the top wire. Check voltage from it to ground, at the end of the test, when the fan motor indicator light is On, there must be voltage from this pin to ground. Note: high voltage power is supplied to the bottom pin from the contactor line. Refer to the machine wiring diagram as needed. 2. Test using an ohmmeter. Disconnect electrical power. Unplug fan motor from harness. Measure fan motor winding resistance. If open, replace the fan motor. This light is ON when the fan motor should be operating. Brown 8 - Fan Motor Red White 7 - Inlet Water Sol Blue 6 - Water Pump Brown White 5 - Hot Gas Valve Yellow 4 - Compressor Red 3 - Purge Valve Black Fan Pressure Control, must CLOSE to operate fan motor. January 2015 Page 57 1 - Line In Test Procedures - Water Pump 1. Test using the controller’s indicator lights. Check the indicator light during the freeze cycle. The light will be On for all but the 30 second anti-slush period, so observe the light for one minute. When it is On, check the water pump, it should be operating. If not, check voltage to the pump. If low check the voltage from the controller to ground. The water pump pin is number 6. If there is voltage at that pin to ground, but very low voltage at the pump motor, there must be a broken wire in the harness. If the voltage is low at pin 6, the controller should be replaced. 2. Test using an ohmmeter. Disconnect electrical power. Unplug the water pump motor leads from the harness. Measure the resistance of the motor windings. If open, replace the pump. Measure resistance to ground. If there is any, replace the pump. Water Pump light is ON when pump is operating. Brown 8 - Fan Motor Red White 7 - Inlet Water Sol Blue 6 - Water Pump Brown White 5 - Hot Gas Valve Yellow 4 - Compressor Red 3 - Purge Valve Black January 2015 Page 58 1 - Line In Test Procedure - Purge valve 1. Test using the controller’s indicator lights. • Shut unit off by holding the Off button for 3 seconds. Wait four minutes. • Push and release the On button, observe the Purge Valve indicator light. As the unit drains the reservoir, the purge valve will be powered. When it gets power, the indicator light will be ON. • If the purge valve does not open to drain the reservoir when its indicator light is on, do a voltage check. Shut the unit down by holding the Off button in for 3 seconds. Unplug the harness connection from the purge valve. • Wait four minutes. Push and release the On button to restart the machine. • As the unit drains the reservoir, the purge valve connection should receive full voltage. If it does, the purge valve should be replaced. If there is no voltage, check voltage from the controller to ground. The purge valve pin is 3 (dump valve on wiring diagram). If there is voltage from that pin to ground, but low voltage at the valve harness connection, the harness has a broken wire or poor connection and must be replaced. • If the voltage to ground is low, the controller should be replaced. Note: The coil of this valve is internally rectified, and will normally show infinite resistance when tested with an ohmmeter This light will be ON when the Purge Valve is powered. Brown 8 - Fan Motor Red White 7 - Inlet Water Sol Blue 6 - Water Pump Brown White 5 - Hot Gas Valve Yellow 4 - Compressor Red 3 - Purge Valve Black January 2015 Page 59 1 - Line In Test Procedure - Compressor contactor 1. Test using the controller’s indicator lights. When the unit is in ice making mode (continuous F in the display) the compressor contactor will have power. • Check the Compressor indicator light, when it is on the compressor contactor will have pulled in. If it is not, do a voltage check. • Place voltmeter leads on the coil of the contactor. There should be full voltage. • If there is full voltage present and the contactor has not pulled in, replace the contactor. • If there is no voltage check if the high pressure cut out is open. If the high pressure cut out is closed, check for voltage from the controller to ground. The contactor pin is 4. Check from 4 to ground, or on 220 volt models, to the other power leg (usually L2) when the compressor indicator light is on. There should be voltage. If not, replace the controller. • If there is voltage at the controller but not at the contactor coil, the harness wires or connectors are damaged and must be replaced. 2. Test using an ohmmeter. Test the coil of the contactor for continuity or shorts to ground. Replace if open or shorted. 3. Check connections and contacts. Be sure connections are tight and that the contacts are not burnt. Replace any contactor with burnt contacts. This light is ON when the compressor is operating. Brown 8 - Fan Motor Red White 7 - Inlet Water Sol Blue 6 - Water Pump Brown White 5 - Hot Gas Valve Yellow 4 - Compressor Red 3 - Purge Valve Black January 2015 Page 60 1 - Line In Test Procedures - Pressure switches There are two pressure switches: Fan and High Pressure cut out. Fan. The fan pressure switch will open to shut the fan motor off at a certain pressure and re-close at a preset higher pressure. High pressure cut out. The high pressure cut out switch will open at a preset pressure, shutting off power to the compressor contactor. After the pressure has fallen to another preset level, the switch will re-close and the contactor coil will be engergized. To Test Fan Pressure Switch: A. Attach refrigeration gauge set to high side port. B. Unplug both wires from fan pressure control. Be SURE the wire's terminals are wrapped in electrical tape to prevent short circuits to ground during the test. C. Connect ohmmeter to terminals of fan pressure control.. D. Switch ice machine on, observe pressure that the pressure control closes at, compare to spec. Switch unit off, allow system to equalize, observe pressure the pressure control opens at, compare to spec. To Test High Pressure Switch: A. Attach refrigeration gauge set to high side port. B. Unplug fan motor or shut water off if water cooled. C. Measure voltage between contactor side terminal of high pressure control and ground. D. Switch ice machine on, observe pressure that the pressure control opens at, compare to spec. Allow system to equalize, observe the pressure that the pressure control closes at, compare to spec. Transformer Check secondary voltage, it must be between 10 and 15.5 AC volts. Replace if no voltage is output or if above or below the acceptable voltage.. Controller The controller’s software operation is confirmed if it is functioning. Execute the test to confirm its operation of the loads. Illumination of a diagnostic code (other than E) is not an indication of controller failure. Each code requires its own diagnosis. January 2015 Page 61 Test Procedures - Liquid Line Solenoid 1. Test using the controller’s indicator lights. Put the controller into test mode (depress Off for 3 seconds then depress Clean for 3 seconds). At the end of the test cycle, the liquid line valve will be powered and the Condenser Fan motor indicator light will be on. The liquid line valve should be open at that time. If it is not, repeat the test but check the voltage to the liquid line valve coil, it must receive full voltage at the liquid line lead connection at the end of the test. If there is voltage and the valve does not operate, replace the valve coil. If there is no voltage, check the controller high voltage harness connection. The liquid line solenoid lead is the top wire. Check voltage from it to ground, at the end of the test, when the Condenser Fan indicator light is On, there must be voltage from this pin to ground or, on 220 volt models, to the other power leg. Note: high voltage power is supplied to the bottom pin from the contactor line. Refer to the machine wiring diagram as needed. 2. Test using an ohmmeter. Disconnect electrical power. Unplug liquid line coil from harness. Measure liquid line coil resistance. If open, replace the liquid line valve coil. Indicator light for Liquid Line Coil Brown 8 - Fan Motor Red White 7 - Inlet Water Sol Blue 6 - Water Pump Brown White 5 - Hot Gas Valve Yellow 4 - Compressor Red 3 - Purge Valve Black January 2015 Page 62 1 - Line In Test Procedure - Inlet Water Solenoid Valve 1. Test using the controller’s indicator lights. Shut unit off by holding the Off button for 3 seconds. Wait four minutes. Push and release the On button, observe the Water Solenoid indicator light. After the unit drains the reservoir, the inlet water valve will be powered to refill the reservoir. When it gets power, the indicator light will be ON. If the water valve does not open to fill the reservoir when its indicator light is on, do a voltage check. Shut the unit down by holding the Off button in for 3 seconds. Unplug the harness connection from the inlet water valve. Wait four minutes. Push and release the On button to restart the machine. After the unit drains the reservoir, the inlet water valve connection should receive full voltage. If it does, the inlet water valve should be replaced. If there is no voltage, check voltage from the controller. The inlet water solenoid valve pin is 7. If there is voltage from that pin to ground, or on 220 volt models to the other power leg, but low voltage at the valve harness connection, the harness has a broken wire or poor connection and must be replaced. If the voltage to ground or other leg is low, the controller should be replaced. 2. Test using an ohmmeter. Disconnect electrical power. Unplug coil from harness. Measure coil resistance. If open, replace the inlet water solenoid. Light is ON when inlet water solenoid is in operation. Brown 8 - Fan Motor Red White 7 - Inlet Water Sol Blue 6 - Water Pump Brown White 5 - Hot Gas Valve Yellow 4 - Compressor Red 3 - Purge Valve Black January 2015 Page 63 1 - Line In Test Procedure - Harvest Assist 1. Test using the controller’s indicator lights. Push and release the Harvest button. The Hot Gas indicator light will be on. At the same time the Harvest Assist Solenoid or Motor will be powered. If the ice on the evaporator is thin, the ejection pin will extend. If the ice is nearly full sized, the pin will press against the ice until it releases from the evaporator, then the pin will extend. If the pin extends, the solenoid or motor is good. If not, do a voltage check. Unplug the high voltage harness from the harvest assist solenoid. Attach a voltmeter to the harness connector. Push and release the Harvest button. There should be full voltage at the connector. If there is and the solenoid does not extend, replace the solenoid. If full voltage is not present, check voltage at the controller. If there is no voltage, check voltage from the controller to ground. The hot gas / harvest assist pin is 5. If there is voltage from that pin to ground, but low voltage at the solenoid harness connection, the harness has a broken wire or poor connection and must be replaced. If the voltage to ground is low, the controller should be replaced. Note: The coil of this valve is internally rectified, will normally show infinite resistance when tested with an ohmmeter. Hot Gas or Vapor Valve 1. Test using the controller’s indicator lights. If the unit is running, or has been off for more than 4 minutes, push and release the Harvest button. The Hot Gas indicator light will be on and the hot gas valve will be energized. The compressor will force discharge gas into the evaporator inlet, warming it. If the evaporator inlet does not warm up, do a voltage check. Shut the unit off by holding the Off button in for 3 seconds. Unplug the high voltage harness from the hot gas solenoid. Attach a voltmeter to the harness connector. Wait 4 minutes. Push and release the Harvest button. There should be full voltage at the connector. If there is and the solenoid does not open, replace the solenoid coil. If full voltage is not present, check voltage at the controller. If there is no voltage, check voltage from the controller to ground or on 220 volt models to the other power leg. The hot gas pin is 5. If there is voltage from that pin to ground, but low voltage at the solenoid harness connection, the harness has a broken wire or poor connection and must be replaced. If the voltage to ground is low, the controller should be replaced. 2. Test with an ohmmeter. Disconnect electrical power. Unplug high voltage harness from hot gas or vapor valve. Measure resistance of hot gas or vapor valve coil. If open, replace the coil. This light will be ON during harvest. Both the Hot Gas Valve coil and the Harvest Assist will have power when this light is ON. January 2015 Page 64 Performance Data - C0322 Model Ice weight / cycle Cycle Time C0322A 2.4 to 2.6 lb. Water Temp (minutes) Ambient Air Temp., Degrees F. 80 70 50 10-12 12-13 13-14 70 11-12 13-14 14-16 80 12-13 14+ 15-16 90 End of Freeze Harvest 13-14 26 105 14-15 16-17 32 130 Pressure (PSIG) End of Freeze Harvest 235 150 Model Ice weight / cycle Cycle Time C0322W 2.4 to 2.6 lb Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 250 200 Ambient Air Temp., Degrees F. 80 70 50 9-11 11+ 10-11 70 11+ 12+ 10-12 80 12+ 13+ 12-13 90 End of Freeze Harvest 12-13 32 95-100 13-14 13+ 32 100-110 End of Freeze Harvest 245 140 245 150 Suction Pressure Graph C0322A 70/50 120 100 80 60 PSIG 40 20 14:13:10 14:12:24 14:11:39 14:10:54 14:10:10 14:09:24 14:08:38 14:07:54 14:07:08 14:06:24 14:05:39 14:04:53 14:04:08 14:03:23 14:02:38 0 14:02:00 90 January 2015 Page 65 90 Performance Data - C0522 Model Ice weight / cycle Cycle Time C0522A 4.5 to 5 lb. Water Temp (minutes) Ambient Air Temp., Degrees F. 80 70 50 11-13 13 16 70 13 14 16-18 80 14 15 18 90 End of Freeze Harvest 15 32 105 16 19 34 120 Pressure (PSIG) End of Freeze Harvest 228 180 Model Ice weight / cycle Cycle Time C0522W 4.5 to 5 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 270 210 Ambient Air Temp., Degrees F. 80 70 50 13-15 15 14 70 15 16 14-15 80 16 17 15 90 End of Freeze Harvest 16-17 23 85 17 16 36 110 End of Freeze Harvest 235 115 245 200 Suction Pressure Graph C0522A-1 70/50 120 100 80 60 PSIG 40 20 13:26:51 13:26:05 13:25:20 13:24:35 13:23:50 13:23:05 13:22:20 13:21:35 13:20:50 13:20:05 13:19:20 13:18:35 13:17:49 13:17:04 13:16:19 13:15:33 0 13:14:58 90 January 2015 Page 66 90 Performance Data - C0722 Model Ice weight / cycle Cycle Time C0722A 7.3 to 7.5 lb. Water Temp (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 70 Ambient Air Temp., Degrees F. 80 50 13 13-14 17 70 13-14 14 17-18 80 14-15 15 19-20 90 End of Freeze Harvest 15-16 30 92-94 17 21-22 33 150-120 End of Freeze Harvest 240-250 150-155 310-330 190-200 Suction Pressure Graph C0722A 70/50 100 90 80 70 60 50 40 30 20 10 0 2:04:13 PM 2:04:53 PM 2:05:33 PM 2:06:13 PM 2:06:53 PM 2:07:33 PM 2:08:13 PM 2:08:53 PM 2:09:33 PM 2:10:13 PM 2:10:53 PM 2:11:33 PM 2:12:13 PM 2:12:53 PM 2:13:33 PM 2:14:13 PM 2:14:53 PM 2:15:23 PM 2:16:03 PM PSIG January 2015 Page 67 90 Performance Data - C0330 Model Ice weight / cycle Cycle Time C0330A 2.4 to 2.6 lb. Water Temp (minutes) 70 Ambient Air Temp., Degrees F. 80 50 9-10 10-11 11-12 70 10-11 11-12 12-13 80 11-12 12-13 13-14 90 End of Freeze Harvest 12-13 28 110 13-14 14-15 Pressure (PSIG) End of Freeze Harvest 200 150 Model Ice weight / cycle Cycle Time C0330W 2.4 to 2.6 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 70 Ambient Air Temp., Degrees F. 80 50 11-12 10 10 70 12-13 11 10-11 80 13-14 11 11 90 End of Freeze Harvest 14-15 33 95 11 12 35 110 End of Freeze Harvest 235 130 235 150 Suction Pressure Graph C0330A-1A 70/50 120 100 80 60 PSIG 40 20 10:04:53 10:05:21 10:05:51 10:06:22 10:06:51 10:07:22 10:07:51 10:08:22 10:08:51 10:09:22 10:09:51 10:10:22 10:10:52 10:11:22 10:11:52 10:12:21 10:12:52 10:13:22 10:13:52 0 January 2015 Page 68 90 90 Performance Data - C0530 Model Ice weight / cycle Cycle Time C0530A 4.5 to 5 lb. Water Temp (minutes) 70 Ambient Air Temp., Degrees F. 80 50 13 14 16 70 14 15 17 80 15 16 18 90 End of Freeze Harvest 16 33 95 17 19 32 105 Pressure (PSIG) End of Freeze Harvest 230 130 Model Ice weight / cycle Cycle Time C0530W 4.5 to 5 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 90 260 190 70 Ambient Air Temp., Degrees F. 80 50 10 12 12 70 11 13 13 80 12 13 13 90 End of Freeze Harvest 13 33 100 13 14 34 110 End of Freeze Harvest 235 140 235 150 Suction Pressure Graph C0530A-1A 70/50 120 100 80 60 PSIG 40 20 14:46:35 14:47:06 14:47:51 14:48:36 14:49:22 14:50:07 14:50:53 14:51:38 14:52:24 14:53:09 14:53:54 14:54:40 14:55:25 14:56:10 14:56:56 14:57:41 14:58:26 14:59:13 0 January 2015 Page 69 90 Performance Data - C0630 Model Ice weight / cycle Cycle Time C0630A 4.5 to 5 lb. Water Temp (minutes) 70 Ambient Air Temp., Degrees F. 80 50 9-10 10-11 10-11 70 10-11 11-12 11-12 80 11-12 12-13 12-13 90 End of Freeze Harvest 12-13 21 85 13-14 13-14 27 115 Pressure (PSIG) End of Freeze Harvest 200 160 Model Ice weight / cycle Cycle Time C0630W 4.52 to 5 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 90 255 200 70 Ambient Air Temp., Degrees F. 80 50 9 10 10 70 10 11 11 80 11 11 12 90 End of Freeze Harvest 11 25 75 11 13 22 80 End of Freeze Harvest 235 140 235 155 Suction Pressure Graph C0630A 70/50 100 90 80 70 60 50 40 30 20 10 0 8:11:25 8:11:40 8:12:11 8:12:41 8:13:11 8:13:41 8:14:11 8:14:41 8:15:11 8:15:41 8:16:11 8:16:41 8:17:11 8:17:41 8:18:11 8:18:41 8:19:12 8:19:41 8:20:12 8:20:41 PSIG January 2015 Page 70 90 Performance Data - C0830 Model Ice weight / cycle Cycle Time C0830A 7 -7.3 lb Water Temp (minutes) Ambient Air Temp., Degrees F. 80 70 50 11 12 13 70 12 13 14 80 13 14 15 90 End of Freeze Harvest 14 26 80 15 16 30 100 Pressure (PSIG) End of Freeze Harvest 204 160 Model Ice weight / cycle Cycle Time C0830W 7 - 7.3 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 260 195 Ambient Air Temp., Degrees F. 80 70 50 11 12-13 13 70 12 13-14 13 80 13 13-14 14 90 End of Freeze Harvest 14 30 85 14 15 31 90 End of Freeze Harvest 235 175 237 178 Suction Pressure Graph C0830A 70/50 90 80 70 60 50 40 30 20 10 0 8:02:00 8:01:14 8:00:30 7:59:45 7:59:00 7:58:14 7:57:29 7:56:44 7:56:00 7:55:14 7:54:29 7:53:44 7:52:59 7:52:14 7:51:29 PSIG 7:50:50 90 January 2015 Page 71 90 Performance Data - C1030 Model Ice weight / cycle Cycle Time C1030A 7 - 7.3 lb Water Temp (minutes) 70 Ambient Air Temp., Degrees F. 80 50 9-10 10-11 11-12 70 10-11 11-12 12-13 80 11-12 12-13 13 90 End of Freeze Harvest 10-13 26 80 13-14 14-15 30 90 Pressure (PSIG) End of Freeze Harvest 210 165 Model Ice weight / cycle Cycle Time C1030W 7 -7.3 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 90 260 190 70 Ambient Air Temp., Degrees F. 80 50 10 11 11 70 11 11-12 11 80 11-12 12 12 90 End of Freeze Harvest 12 26 70 12-13 13 30 75 End of Freeze Harvest 240 145 240 155 Suction Pressure Graph C1030R-32A 70/50 120 100 80 60 PSIG 40 20 0 January 2015 Page 72 90 Performance Data - C1448 Model Ice weight / cycle Cycle Time C1448A 14 lb. Water Temp (minutes) 70 Ambient Air Temp., Degrees F. 80 50 12-13 13-14 14-15 70 13-14 14-15 15-16 80 14-15 15-16 16-17 90 End of Freeze Harvest 15-16 38 100 16-17 17-18 40 100 Pressure (PSIG) End of Freeze Harvest 250 150 Model Ice weight / cycle Cycle Time C1448W 14 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 90 270 160 70 Ambient Air Temp., Degrees F. 80 50 13-14 14-15 15-16 70 14-15 15-16 15-16 80 15-16 15-16 16-17 90 End of Freeze Harvest 15-16 36 105 15-16 17-18 35 100 End of Freeze Harvest 235 170 235 185 Suction Pressure Graph C1448R-32 90/70 140 120 100 80 60 PSIG 40 20 14:37:22 14:38:07 14:38:53 14:39:38 14:40:23 14:41:08 14:41:53 14:42:37 14:43:23 14:44:08 14:44:53 14:45:38 14:46:23 14:47:09 14:47:54 14:48:39 14:49:24 14:50:09 14:50:54 14:51:38 0 January 2015 Page 73 90 Performance Data - C1848 Model Ice weight / cycle Cycle Time C1848A 14 lb. Water Temp (minutes) 70 Ambient Air Temp., Degrees F. 80 50 10-11 11-12 12-13 70 11-12 12-13 13-14 80 12-13 13-14 14-15 90 End of Freeze Harvest 13-14 30 90 14-15 15-16 32 100 Pressure (PSIG) End of Freeze Harvest 227 170 Model Ice weight / cycle Cycle Time C1848W 14 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 90 285 195 70 Ambient Air Temp., Degrees F. 80 50 10-11 11-12 11-12 70 11-12 12-13 11-12 80 12-13 12-13 12-13 90 End of Freeze Harvest 12-13 30 80 12-13 13-14 30 85 End of Freeze Harvest 240 155 240 165 Suction Pressure Graph C1848A-32 90/70 120 100 80 60 PSIG 40 20 9:51:16 9:51:50 9:52:36 9:53:20 9:54:06 9:54:51 9:55:35 9:56:21 9:57:06 9:57:51 9:58:36 9:59:21 10:00:06 10:00:52 10:01:37 10:02:22 10:03:07 10:03:52 0 January 2015 Page 74 90 Performance Data - C2148 Model Ice weight / cycle Cycle Time C2148R 14.2 lb. Water Temp (minutes) 50 Ambient Air Temp., Degrees F. 70 80 90 -20 10 10 11 70 9-10 10 12 80 11-12 11 13 90 End of Freeze Harvest 12-13 24 80 14 15-16 24 95 Pressure (PSIG) End of Freeze Harvest 240 190 Model Ice weight / cycle Cycle Time C2148W 14.2 lb Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 9 70 250 220 50 9-10 10-11 11 70 10-11 11-12 11 80 11-12 11-12 12 90 End of Freeze Harvest 11-12 27 75 11-12 13 27 75 End of Freeze Harvest 235 160 240 160 C2148R 70/50 90 80 70 60 50 40 30 20 10 0 8:56:50 8:57:15 8:57:46 8:58:16 8:58:47 8:59:16 8:59:46 9:00:16 9:00:46 9:01:16 9:01:46 9:02:17 9:02:46 9:03:16 9:03:47 9:04:16 9:04:47 9:05:17 9:05:47 PSIG January 2015 Page 75 18-19 peak 410 Ambient Air Temp., Degrees F. 80 Suction Pressure Graph 120 90 Performance Data Remote - C0522, C0530 Model Ice weight / cycle Cycle Time (minutes) C0522R 4.4 to 4.6 lb. Water Temp 50 Ambient Air Temp., Degrees F. 70 80 90 -20 12-13 13-14 14 70 13-14 13-14 14-15 80 14-15 14-15 15-16 90 End of Freeze Harvest 15-16 35 85 17-18 18-19 24 95 Pressure (PSIG) End of Freeze Harvest 230 215 Model Ice weight / cycle Cycle Time C0530R 4.4 to 4.6 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 50 10 23 peak 360 Ambient Air Temp., Degrees F. 70 80 90 -20 10 245 225 120 11-13 13-14 13-14 70 14 14-15 14 80 15 15-16 15-16 90 End of Freeze Harvest 16 30 145 17-18 17-18 35 100 End of Freeze Harvest 230 200 January 2015 Page 76 245 220 120 27 Peak 350 Performance Data Remote - C0630, C0830, C1030 Model Ice weight / cycle Cycle Time (minutes) C0630R 4.4 to 4.6 lb. Water Temp 50 Ambient Air Temp., Degrees F. 70 80 90 -20 9 9 9-10 70 9-10 9-10 10 80 10-11 11-12 11 90 End of Freeze Harvest 12 30 110 14 13-14 30 120 Pressure (PSIG) End of Freeze Harvest 240 200 Model Ice weight / cycle Cycle Time C0830R 7 -7.3 lb Water Temp Suction Pressure (PSIG) Discharge (minutes) 50 7-8 Ambient Air Temp., Degrees F. 70 80 90 -20 9-11 10-11 12 70 11 11-12 13 80 12-13 12-13 13-14 90 End of Freeze Harvest 13-14 32 100 15 16-17 32 110 Pressure (PSIG) End of Freeze Harvest 240 200 Model Ice weight / cycle Cycle Time C1030R 7 -7.3 lb Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 50 8-9 245 220 Ambient Air Temp., Degrees F. 70 80 90 -20 9 245 210 10-11 11 12-13 70 11 11-12 12-13 80 12-13 12-13 14 90 End of Freeze Harvest 13-14 28 95 15-16 16-17 27 100 End of Freeze Harvest 230 200 January 2015 Page 77 240 215 120 16-17 Peak 370 120 21-22 Peak 360 120 20-21 Peak 380 Performance Data Remote - C1448, C1848 Model Ice weight / cycle Cycle Time (minutes) C1448R 14 lb. Water Temp 50 Ambient Air Temp., Degrees F. 70 80 90 -20 11 11-12 14-15 70 11-12 11-12 14-15 80 13 13 16 90 End of Freeze Harvest 14 40 100 15-16 18-19 40 125 Pressure (PSIG) End of Freeze Harvest 240 150 Model Ice weight / cycle Cycle Time C1848R 14 lb. Water Temp Suction Pressure (PSIG) Discharge (minutes) Suction Pressure (PSIG) Discharge Pressure (PSIG) 50 9 22 Peak 405 Ambient Air Temp., Degrees F. 70 80 90 -20 9 270 200 120 10-11 11-12 13 70 11-12 12 13 80 13 13-14 14-15 90 End of Freeze Harvest 14 32 85 16 17 33 105 End of Freeze Harvest 240 170 January 2015 Page 78 245 2005 120 19 Peak 370 Wiring Diagrams USE COPPER CONDUCTORS ONLY (AIR COOLED ONLY) MOT FAN 17-3053-01 MOT FAN (WHEN 2ND FAN IS PRESENT) BN MOT PUMP SOLENOID 4 HIGH PRESSURE CONTROL USED ON WC UNITS & AC C0222, C0422, C0230, C0530, C0630 SOLENOID SOLENOID BN/W W N OR L2 L1 LINE LOAD R/W BU TRANSFORMER O W W 3 WIRE COLOR FOR 115/60/1 UNITS: WHITE WIRE COLOR FOR 208-230/60/1 UNITS: BLACK W/WHITE STRIPE HARV ASSIST HOT GAS W W 2 WIRE COLOR FOR 208-230/60/1 AND 115/60/1 UNITS: BLACK W BN DUMP VALVE R CAUTION: PTCR WILL BE HOT. COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL BN/W W WATER 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. LINE TRANSFORMER HARVEST ASSIST SOLENOID 1 12V W BK HOT GAS VALVE BK WATER VALVE V FAN CYCLING PRESSURE CONTROL SWITCH (AIR COOLED ONLY) L1 T1 L2 CONTACTOR COIL HIGH PRESSURE CONTROL SEE NOTE 4 CONTACTOR T2 BN W WATER LEVEL SENSOR R BK BK W RUN CAP J10 ICE THICKNESS PROBE 12 3 J9 ELECTRONIC CONTROL GN/Y W/R WATER LEVEL SENSOR W/Y W/R Y Y 1 2 3 4 J1 ELECTRONIC CONTROL J7 1 2 EARTH GROUND SEE NOTE 4 J8 1 2 J2 1 2 3 4 5 6 7 8 DISCHARGE TEMP. SENSOR DISCHARGE TEMP. PTCR HIGH PRESSURE CONTROL 1 2 3 4 J6 SUMP TEMP. SENSOR SUMP TEMP. CONTACTOR T1 GN/Y BK 2 PROTECTOR INTERNAL 3 GROUND SCREW JUNCTION BOX Y C1 S2 BK 1 R3 EARTH GROUND DUMP VALVE SWITCH 2 (2 PLATE UNITS ONLY) FAN MOTOR FAN CYCLING PRESSURE SWITCH (A/C ONLY) (AC ONLY) TERMINAL BOX R R CURTAIN SWITCH 1 ICE THICKNESS PROBE CURTAIN WATER PUMP FAN MOTOR (WHEN APPLICABLE) (AC ONLY) 1 CURTAIN SWITCH THIS UNIT MUST BE GROUNDED. CAUTION: POWER SUPPLY SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE W COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. PTCR RUN CAP. COMPRESSOR C0322, C0522, C0722, C0330, C0530, C0630, C0830, C1030 - Single Phase A - B Series C0322, C0522, C0722, C0630, C0830, C1030 - Single Phase D Series January 2015 Page 79 Wiring Diagrams (AIR COOLED ONLY) MOT FAN 17-3358-01 WATER USE COPPER CONDUCTORS ONLY BN/W HARV ASSIST SOLENOID SOLENOID N OR L2 L1 LINE LOAD R/W BU TRANSFORMER O W W 3 WIRE COLOR FOR 115/60/1 UNITS: WHITE WIRE COLOR FOR 208-230/60/1 UNITS: BLACK W/WHITE STRIPE W W W 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. 2 WIRE COLOR FOR 208-230/60/1 AND 115/60/1 UNITS: BLACK CAUTION: PTCR WILL BE HOT. COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL BN/W HOT GAS W BN DUMP VALVE R (WHEN 2ND FAN IS PRESENT) W BN MOT PUMP SOLENOID MOT FAN LINE TRANSFORMER HARVEST ASSIST SOLENOID 1 12V W BK HOT GAS VALVE BK WATER VALVE V FAN CYCLING PRESSURE CONTROL SWITCH (AIR COOLED ONLY) L1 CONTACTOR COIL T1 CONTACTOR L2 T2 BN W WATER LEVEL SENSOR R BK BK W RUN CAP J10 ICE THICKNESS PROBE 1 2 3 J9 ELECTRONIC CONTROL GN/Y W/R W/Y Y WATER LEVEL SENSOR W/R 1 2 3 4 J1 EARTH GROUND ELECTRONIC CONTROL J7 1 2 J8 1 2 BK 2 PROTECTOR INTERNAL 3 Y R C1 BK 1 ICE THICKNESS PROBE CURTAIN R3 EARTH GROUND R DUMP VALVE CURTAIN SWITCH 1 SWITCH 2 (2 PLATE UNITS ONLY) FAN MOTOR FAN CYCLING PRESSURE SWITCH (A/C ONLY) (AC ONLY) TERMINAL BOX GROUND SCREW JUNCTION BOX SUMP TEMP. CONTACTOR T1 GN/Y J2 1 2 3 4 5 6 7 8 DISCHARGE TEMP. SENSOR PTCR 1 2 3 4 J6 SUMP TEMP. SENSOR DISCHARGE TEMP. S2 WATER PUMP FAN MOTOR (WHEN APPLICABLE) (AC ONLY) 1 CURTAIN SWITCH THIS UNIT MUST BE GROUNDED. CAUTION: SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE POWER SUPPLY W PTCR COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. C0330 and C0530 C Series C0330 and C0530 D Series January 2015 Page 80 RUN CAP. COMPRESSOR Wiring Diagrams (AIR COOLED ONLY) MOT FAN 17-3070-01 MOT FAN (WHEN 2ND FAN IS PRESENT) USE COPPER CONDUCTORS ONLY W WATER SOLENOID CAUTION: PTCR WILL BE HOT. COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL BN/W BN MOT PUMP HARV ASSIST HOT GAS W SOLENOID BN/W DUMP VALVE BN SOLENOID W N OR L2 L1 W LOAD LINE R/W W W 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. BU O W R TRANSFORMER LINE TRANSFORMER W HARVEST ASSIST SOLENOID 1 12V BK HOT GAS VALVE WATER VALVE V FAN CYCLING PRESSURE CONTROL SWITCH (AIR COOLED ONLY) BK L1 BN WATER LEVEL SENSOR T1 R BK BK L3 L2 T2 W T3 W ELECTRONIC CONTROL CONTACTOR J10 ICE THICKNESS PROBE 1 2 3 J9 GN/Y WATER LEVEL SENSOR Y Y 1 2 3 4 J1 EARTH GROUND J7 1 2 J8 1 2 BK BK JUNCTION BOX CURTAIN SWITCH 1 SWITCH 2 (2 PLATE UNITS ONLY) R BK PROTECTOR INTERNAL R R R DUMP VALVE C1 S2 WATER PUMP BK R3 CURTAIN SWITCH FAN MOTOR (AC ONLY) TERMINAL BOX GROUND SCREW THIS UNIT MUST BE GROUNDED. ICE THICKNESS PROBE CURTAIN GN/Y J2 1 2 3 4 5 6 7 8 DISCHARGE TEMP. SENSOR ELECTRONIC CONTROL SUMP TEMP. DISCHARGE TEMP. HIGH PRESSURE CONTROL (WATER COOLED ONLY) 1 2 3 4 J6 SUMP TEMP. SENSOR CONTACTOR COIL HIGH PRESSURE CONTROL (WC ONLY) FAN MOTOR (WHEN APPLICABLE) (AC ONLY) W CAUTION: MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. COMPRESSOR CONTACTOR CONTACTOR POWER SUPPLY SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE COMPRESSOR C0830, C1030 Three Phase A - B Series C0830, C1030 Three Phase D Series January 2015 Page 81 FAN CYCLING PRESSURE SWITCH (A/C ONLY) CONTACTOR L3 Wiring Diagrams USE COPPER CONDUCTORS ONLY 17-3055-01 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. 2 WIRE COLOR FOR 208-230/60/1 AND 115/60/1 UNITS: BLACK BN/W LIQUID LINE WATER MOT PUMP SOLENOID W 3 WIRE COLOR FOR 115/60/1 UNITS: WHITE WIRE COLOR FOR 208-230/60/1 UNITS: BLACK W/WHITE STRIPE HARV ASSIST HOT GAS W SOLENOID SOLENOID BN/W L1 DUMP VALVE W W LINE LOAD R/W W BU 12V LINE W R HARVEST ASSIST SOLENOID 1 TRANSFORMER O N OR L2 CRANKCASE HEATER SOLENOID HOT GAS VALVE TRANSFORMER W WATER VALVE BK BK V L1 CONTACTOR COIL HIGH PRESSURE CONTROL (WC ONLY) T1 CONTACTOR L2 BN T2 ELECTRONIC CONTROL W WATER LEVEL SENSOR R BK BK W RUN CAP J10 ICE THICKNESS PROBE GN/Y GN/Y WATER LEVEL SENSOR W/R 1 2 3 J9 W/Y Y Y DISCHARGE TEMP. W/R 1 2 3 4 J1 ELECTRONIC CONTROL BK CONTACTOR T1 EARTH GROUND BK J7 1 2 J8 1 2 2 3 BU BU Y CRANKCASE HEATER PROTECTOR INTERNAL JUNCTION BOX POWER SUPPLY SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE R WATER PUMP C1 LIQUID LINE SOLENOID S2 PTCR R3 1 CURTAIN SWITCH SWITCH 2 (2 PLATE UNITS ONLY) BK EARTH GROUND THIS UNIT MUST BE GROUNDED. CURTAIN SWITCH 1 TERMINAL BOX R GROUND SCREW ICE THICKNESS PROBE CURTAIN DUMP VALVE BK GN/Y J2 1 2 3 4 5 6 7 8 DISCHARGE TEMP. SENSOR PTCR HIGH PRESSURE CONTROL 1 2 3 4 J6 SUMP TEMP. SENSOR SUMP TEMP. REMOTE CONDENSER FAN W COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. C0522R, C0530R, C0630R, C0830R, C1030R - Single Phase A - B Series C0630R, C0830R, C1030R - Single Phase D Series January 2015 Page 82 COMPRESSOR RUN CAP. REMOTE CONDENSER FAN Wiring Diagrams USE COPPER CONDUCTORS ONLY 17-3359-01 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. 2 WIRE COLOR FOR 208-230/60/1 AND 115/60/1 UNITS: BLACK BN/W LIQUID LINE WATER W 3 WIRE COLOR FOR 115/60/1 UNITS: WHITE WIRE COLOR FOR 208-230/60/1 UNITS: BLACK W/WHITE STRIPE HARV ASSIST HOT GAS MOT PUMP SOLENOID W BN/W SOLENOID SOLENOID L1 W DUMP VALVE LINE LOAD R/W W BU 12V LINE W R HARVEST ASSIST SOLENOID 1 TRANSFORMER O N OR L2 CRANKCASE HEATER SOLENOID HOT GAS VALVE TRANSFORMER W WATER VALVE BK BK CONTACTOR COIL V L1 T1 CONTACTOR T2 L2 BN ELECTRONIC CONTROL W WATER LEVEL SENSOR R BK BK W RUN CAP J10 ICE THICKNESS PROBE GN/Y GN/Y WATER LEVEL SENSOR W/R 1 2 3 J9 W/Y Y DISCHARGE TEMP. W/R 1 2 3 4 J1 CONTACTOR T1 EARTH GROUND BK ELECTRONIC CONTROL BK J7 1 2 J8 1 2 2 3 BU BU Y CRANKCASE HEATER PROTECTOR INTERNAL JUNCTION BOX R R C1 S2 PTCR R3 REMOTE CONDENSER SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE LIQUID LINE SOLENOID BK 1 POWER SUPPLY SWITCH 2 (2 PLATE UNITS ONLY) WATER PUMP EARTH GROUND CURTAIN SWITCH CURTAIN SWITCH 1 TERMINAL BOX GROUND SCREW THIS UNIT MUST BE GROUNDED. ICE THICKNESS PROBE CURTAIN DUMP VALVE BK GN/Y J2 1 2 3 4 5 6 7 8 DISCHARGE TEMP. SENSOR PTCR 1 2 3 4 J6 SUMP TEMP. SENSOR SUMP TEMP. FAN W COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. C0530R - C Series C0530R - D Series January 2015 Page 83 COMPRESSOR RUN CAP. REMOTE CONDENSER FAN Wiring Diagrams USE COPPER CONDUCTORS ONLY 17-3054-01 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. BN/W LIQUID LINE WATER SOLENOID W HARV ASSIST HOT GAS MOT PUMP W L1 SOLENOID SOLENOID BN/W L2 SOLENOID CRANKCASE HEATER DUMP VALVE W W LINE LOAD R/W W BU O 12V LINE W R HARVEST ASSIST SOLENOID 1 TRANSFORMER TRANSFORMER W HOT GAS VALVE BK WATER VALVE V L1 BN WATER LEVEL SENSOR L2 T1 R BK BK L3 W T3 T2 ELECTRONIC CONTROL W CONTACTOR BK J10 ICE THICKNESS PROBE GN/Y WATER LEVEL SENSOR Y 1 2 3 J9 BK GN/Y 1 2 J1 3 ELECTRONIC CONTROL ICE THICKNESS PROBE CURTAIN CURTAIN SWITCH 1 SWITCH 2 (2 PLATE UNITS ONLY) 4 HIGH PRESSURE CONTROL SUMP TEMP. SENSOR SUMP TEMP. DISCHARGE TEMP. Y EARTH GROUND BK DUMP VALVE R 7 8 GN/Y 6 BK BK BK BU BU 5 4 JUNCTION BOX J8 1 2 2 J7 1 2 R CRANKCASE HEATER PROTECTOR INTERNAL R WATER PUMP LIQUID LINE SOLENOID TERMINAL BOX 1 1 3 2 4 J6 J2 3 DISCHARGE TEMP. SENSOR CONTACTOR COIL HIGH PRESSURE CONTROL (WC ONLY) GROUND SCREW R C1 S2 BK R3 THIS UNIT MUST BE GROUNDED. 1 CURTAIN SWITCH POWER SUPPLY SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE C0830R, C1030R Three Phase, A-B Series REMOTE CONDENSER FAN CONTACTOR CONTACTOR W COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. C0830R, C1030R Three Phase, D Series January 2015 Page 84 COMPRESSOR REMOTE CONDENSER FAN CONTACTOR L3 Wiring Diagrams (AIR COOLED ONLY) MOT FAN 17-3071-01 MOT FAN USE COPPER CONDUCTORS ONLY (WHEN 2ND FAN IS PRESENT) W WATER SOLENOID SOLENOID HARV ASSIST BN/W 3 WIRE COLOR FOR 208-230/60/1 UNITS: BLACK W/WHITE STRIPE W HOT GAS MOT PUMP 2 WIRE COLOR FOR 208-230/60/1 UNITS: BLACK HARV ASSIST HOT GAS BN/W BN 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. BN/W BN/W SOLENOID W SOLENOID SOLENOID L1 W BN DUMP VALVE LINE W W L2 W HARVEST ASSIST SOLENOID 2 LOAD R/W BU O TRANSFORMER LINE W R HOT GAS VALVE 2 HARVEST ASSIST 12V TRANSFORMER SOLENOID 1 W BK HOT GAS VALVE 1 BK WATER VALVE W V FAN CYCLING PRESSURE CONTROL SWITCH (AIR COOLED ONLY) L1 T1 L2 CONTACTOR COIL HIGH PRESSURE CONTROL (WC ONLY) CONTACTOR T2 BN W WATER LEVEL SENSOR R BK BK W RUN CAP J10 ICE THICKNESS PROBE 1 2 3 J9 W/R 1 2 J1 3 W/Y Y Y WATER LEVEL SENSOR W/R 4 ELECTRONIC CONTROL DISCHARGE TEMP. PTCR HIGH PRESSURE CONTROL (WATER COOLED ONLY) SUMP TEMP. SENSOR EARTH GROUND 8 6 7 BK J2 4 PROTECTOR INTERNAL 3 2 3 2 Y R C1 S2 BK 1 CURTAIN SWITCH 2 R DUMP VALVE FAN MOTOR FAN CYCLING PRESSURE SWITCH (A/C ONLY) (AC ONLY) TERMINAL BOX GROUND SCREW JUNCTION BOX 1 J8 1 2 ICE THICKNESS PROBE CURTAIN SWITCH 1 5 4 J6 2 1 J7 1 2 SUMP TEMP. CONTACTOR T1 GN/Y 3 DISCHARGE TEMP. SENSOR ELECTRONIC CONTROL GN/Y WATER PUMP FAN MOTOR (AC ONLY) R3 EARTH GROUND 1 CURTAIN SWITCH 1 THIS UNIT MUST BE GROUNDED. CURTAIN SWITCH 2 CAUTION: SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE POWER SUPPLY MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. W PTCR COMPRESSOR CAUTION: PTCR WILL BE HOT. COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL C1448, C1848, C2148 Single Phase, A-B Series C1448, C1848 Single Phase, D Series January 2015 Page 85 RUN CAP. COMPRESSOR Wiring Diagrams (AIR COOLED ONLY) MOT FAN 17-3167-01 MOT FAN USE COPPER CONDUCTORS ONLY (WHEN 2ND FAN IS PRESENT) BN/W W WATER MOT PUMP SOLENOID W SOLENOID SOLENOID HARV ASSIST HOT GAS BN/W HARV ASSIST HOT GAS BN/W BN 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. BN/W W SOLENOID SOLENOID L1 W BN DUMP VALVE LINE W W L2 W HARVEST ASSIST SOLENOID 2 LOAD R/W BU O LINE W R TRANSFORMER W HOT GAS VALVE 2 TRANSFORMER HARVEST ASSIST 12V SOLENOID 1 BK HOT GAS VALVE 1 W WATER VALVE V FAN CYCLING PRESSURE CONTROL SWITCH (AIR COOLED ONLY) BK L1 BN WATER LEVEL SENSOR T1 R BK BK L3 L2 T2 HIGH PRESSURE CONTROL (WC ONLY) W T3 W ELECTRONIC CONTROL CONTACTOR J10 ICE THICKNESS PROBE 1 2 3 J9 GN/Y WATER LEVEL SENSOR Y Y 1 2 3 4 J1 EARTH GROUND ICE THICKNESS PROBE CURTAIN CURTAIN SWITCH 2 SWITCH 1 GN/Y J7 1 2 J8 1 2 J2 1 2 3 4 5 6 7 8 DISCHARGE TEMP. SENSOR ELECTRONIC CONTROL SUMP TEMP. DISCHARGE TEMP. HIGH PRESSURE CONTROL (WATER COOLED ONLY) 1 2 3 4 J6 SUMP TEMP. SENSOR CONTACTOR COIL BK BK JUNCTION BOX R BK PROTECTOR INTERNAL R DUMP VALVE FAN MOTOR (AC ONLY) TERMINAL BOX R GROUND SCREW R C1 S2 WATER PUMP FAN MOTOR FAN CYCLING PRESSURE SWITCH (A/C ONLY) (AC ONLY) BK R3 CURTAIN SWITCH 1 THIS UNIT MUST BE GROUNDED. CURTAIN SWITCH 2 W CAUTION: MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. COMPRESSOR POWER SUPPLY SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE CAUTION: PTCR WILL BE HOT. COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL C1448, C1848, C2148 Three Phase, A-B Series C1448 Three Phase, D Series January 2015 Page 86 CONTACTOR CONTACTOR COMPRESSOR CONTACTOR L3 Wiring Diagrams USE COPPER CONDUCTORS ONLY 17-3072-01 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. WATER W SOLENOID HARV ASSIST HOT GAS MOT PUMP SOLENOID W BN/W SOLENOID W SOLENOID L2 L1 SOLENOID CRANKCASE HEATER W SOLENOID W W BU TRANSFORMER O HARVEST ASSIST LINE LOAD R/W DUMP VALVE 12V LINE SOLENOID 2 HOT GAS VALVE 2 HARVEST ASSIST SOLENOID 1 TRANSFORMER W W W R 3 WIRE COLOR FOR 115/60/1 UNITS: WHITE WIRE COLOR FOR 208-230/60/1 UNITS: BLACK W/WHITE STRIPE HARV ASSIST HOT GAS BN/W LIQUID LINE 2 WIRE COLOR FOR 208-230/60/1 UNITS: BLACK BN/W BN/W HOT GAS VALVE 1 BK BK WATER VALVE V L1 CONTACTOR L2 BN CONTACTOR COIL HIGH PRESSURE CONTROL (WC ONLY) T1 T2 W WATER LEVEL SENSOR R BK BK W GN/Y ELECTRONIC CONTROL RUN CAP J10 ICE THICKNESS PROBE GN/Y W/R 1 2 3 J9 W/Y Y Y WATER LEVEL SENSOR W/R 1 2 3 4 J1 ELECTRONIC CONTROL BK DISCHARGE TEMP. EARTH GROUND BK J7 1 2 J8 1 2 2 3 BU BU CONTACTOR T1 PROTECTOR INTERNAL JUNCTION BOX Y CURTAIN SWITCH 2 SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE DUMP VALVE WATER PUMP R C1 LIQUID LINE SOLENOID S2 BK PTCR R3 1 POWER SUPPLY R TERMINAL BOX EARTH GROUND THIS UNIT MUST BE GROUNDED. CURTAIN SWITCH 2 SWITCH 1 BK CRANKCASE HEATER GROUND SCREW CURTAIN SWITCH 1 ICE THICKNESS PROBE CURTAIN GN/Y J2 1 2 3 4 5 6 7 8 DISCHARGE TEMP. SENSOR PTCR HIGH PRESSURE CONTROL 1 2 3 4 J6 SUMP TEMP. SENSOR SUMP TEMP. REMOTE CONDENSER FAN W COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. C1448R, C1848R, C2148R Single Phase, A - B Series C1448R, C1848R, C2148R, Single Phase, D Series January 2015 Page 87 COMPRESSOR RUN CAP. REMOTE CONDENSER FAN Wiring Diagrams USE COPPER CONDUCTORS ONLY 17-3074-01 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. BN/W BN/W WATER W SOLENOID HARV ASSIST HOT GAS MOT PUMP SOLENOID W BN/W HARV ASSIST HOT GAS BN/W LIQUID LINE SOLENOID L2 W L1 SOLENOID SOLENOID CRANKCASE HEATER W SOLENOID W W BU DUMP VALVE TRANSFORMER O W R 12V LINE SOLENOID 2 HOT GAS VALVE 2 HARVEST ASSIST SOLENOID 1 TRANSFORMER W W HARVEST ASSIST LINE LOAD R/W HOT GAS VALVE 1 BK WATER VALVE V L1 BN WATER LEVEL SENSOR L2 T1 R BK BK L3 T3 T2 ELECTRONIC CONTROL W CONTACTOR BK J10 ICE THICKNESS PROBE GN/Y Y 1 2 3 J9 BK GN/Y WATER LEVEL SENSOR Y 1 2 J1 3 4 HIGH PRESSURE CONTROL SUMP TEMP. SENSOR ELECTRONIC CONTROL SUMP TEMP. DISCHARGE TEMP. EARTH GROUND BK ICE THICKNESS PROBE CURTAIN CURTAIN SWITCH 2 SWITCH 1 R 7 8 GN/Y 6 BK BK BK BU BU 5 4 J8 1 2 2 J7 1 2 JUNCTION BOX R CRANKCASE HEATER PROTECTOR INTERNAL R DUMP VALVE WATER PUMP TERMINAL BOX 1 1 3 2 4 J6 J2 3 DISCHARGE TEMP. SENSOR CONTACTOR COIL HIGH PRESSURE CONTROL (WC ONLY) W GROUND SCREW R C1 LIQUID LINE SOLENOID S2 BK R3 THIS UNIT MUST BE GROUNDED. CURTAIN SWITCH 1 CURTAIN SWITCH 2 1 POWER SUPPLY SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE REMOTE CONDENSER FAN CONTACTOR CONTACTOR W COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. C1448R, C1848R, C2148R Three Phase, A - B Series C1448R, C1848R, C2148R, Three Phase, D Series January 2015 Page 88 COMPRESSOR REMOTE CONDENSER FAN CONTACTOR L3 Wiring Diagrams USE COPPER CONDUCTORS ONLY 17-3250-01 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. BN/W BN/W HARV ASSIST HOT GAS BN/W LIQUID LINE W WATER BN/W MOT PUMP N SOLENOID SOLENOID HARV ASSIST HOT GAS W FUSE (3A) .33 uF BK W W 6 R/W BU 12V LO4 LO3 5 2 4 R TRANSFORMER 12V LO2 LO5 1 LINE BK W SOLENOID 2 LO1 230V O W HARVEST ASSIST LINE 10 LOAD 9 7 TRANSFORMER DUMP VALVE HOT GAS VALVE 2 HARVEST ASSIST SOLENOID 1 BK FUSE (3A) W R L2 CRANKCASE HEATER SOLENOID SOLENOID W SOLENOID L3 L1 W SOLENOID HOT GAS VALVE 1 WATER VALVE W V R BK L1 L2 L3 NO T1 T2 T3 NO BK BK W ELECTRONIC CONTROL Y CONTACTOR BK J10 ICE THICKNESS PROBE 1 2 3 J9 GN/Y GN/Y WATER LEVEL SENSOR Y 1 2 3 SUMP TEMP. 4 DISCHARGE TEMP. J1 HIGH PRESSURE CONTROL SUMP TEMP. SENSOR ELECTRONIC CONTROL EARTH GROUND BK ICE THICKNESS PROBE CURTAIN CURTAIN SWITCH 2 SWITCH 1 R 7 8 GN/Y 6 W Y BN BN BU BU 5 4 J7 1 2 J8 1 2 JUNCTION BOX BK CRANKCASE HEATER PROTECTOR INTERNAL 1 2 1 3 2 4 J6 J2 3 DISCHARGE TEMP. SENSOR CONTACTOR COIL HIGH PRESSURE CONTROL (WC ONLY) A2 BN WATER LEVEL SENSOR W A1 Y DUMP VALVE WATER PUMP TERMINAL BOX GROUND SCREW R C1 LIQUID LINE SOLENOID S2 BK R3 THIS UNIT MUST BE GROUNDED. CURTAIN SWITCH 1 CURTAIN SWITCH 2 CONTACTOR CONTACTOR 1 POWER SUPPLY SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE REMOTE CONDENSER FAN W COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. C1448R-63 230/380-420/50/3 C1448R-63 230/380-420/50/3 D Series January 2015 Page 89 COMPRESSOR REMOTE CONDENSER FAN CONTACTOR CONTACTOR Wiring Diagrams C0630R-6, C0830R-6, C1030R-6 C0630R-6, C0830R-6, C1030R-6 D Series January 2015 Page 90 Wiring Diagrams (AIR COOLED ONLY) MOT FAN 17-3360-01 WATER USE COPPER CONDUCTORS ONLY HARV ASSIST W SOLENOID SOLENOID FUSE (3A) W 6 R/W W 7 9 10 LOAD 2 1 LINE LINE 12V .33 uF TRANSFORMER BU 230V O W R L2 L1 BK W W 1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES. CAUTION: PTCR WILL BE HOT. COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL BN/W HOT GAS BN/W BN DUMP VALVE (WHEN 2ND FAN IS PRESENT) W BN MOT PUMP SOLENOID MOT FAN 5 4 TRANSFORMER HARVEST ASSIST SOLENOID 1 12V BK W BK V FAN CYCLING PRESSURE CONTROL SWITCH (AIR COOLED ONLY) HOT GAS VALVE BK L1 FUSE (3A) WATER VALVE CONTACTOR COIL T1 CONTACTOR L2 T2 BN W WATER LEVEL SENSOR R BK BK W RUN CAP J10 ICE THICKNESS PROBE 1 2 3 J9 ELECTRONIC CONTROL GN/Y W/R W/Y Y WATER LEVEL SENSOR W/R 1 2 3 4 J1 EARTH GROUND ELECTRONIC CONTROL J7 1 2 J8 1 2 BK BN PROTECTOR INTERNAL BN Y R C1 BK 1 R3 EARTH GROUND R DUMP VALVE CURTAIN SWITCH 1 SWITCH 2 (2 PLATE UNITS ONLY) FAN MOTOR FAN CYCLING PRESSURE SWITCH (A/C ONLY) (AC ONLY) TERMINAL BOX GROUND SCREW JUNCTION BOX ICE THICKNESS PROBE CURTAIN CONTACTOR T1 GN/Y J2 1 2 3 4 5 6 7 8 DISCHARGE TEMP. SENSOR DISCHARGE TEMP. PTCR 1 2 3 4 J6 SUMP TEMP. SENSOR SUMP TEMP. S2 WATER PUMP FAN MOTOR (WHEN APPLICABLE) (AC ONLY) 1 CURTAIN SWITCH THIS UNIT MUST BE GROUNDED. CAUTION: SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE POWER SUPPLY W PTCR COMPRESSOR MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT. C0530 50 Hz C Series C0530 50 Hz D Series January 2015 Page 91 RUN CAP. COMPRESSOR Repair Section Inlet Water Solenoid Valve 1 Disconnect electrical power Electrical Shock Hazard Disconnect electrical power before beginning 2 Shut off the water supply. 3 Remove front and left side panels. 4 Unplug wire from coil. 5 Disconnect water supply tube from the inlet of the valve. 6 Disconnect the water outlet tube. 7 Remove the two mounting screws holding the valve to the back panel. 8 Pull the valve forward and out of the machine. Fan Blade or Motor 1 Push and release the Off button 2 Disconnect electrical power. 3 Remove front panel, sound shield and left side panel. 4 Unplug fan motor wire leads. 5 Remove fan motor mounting brackets from shroud. Note: Fastener size is 3/8” hex 6 Carefully remove fan motor and blade assembly from machine cabinet. 7 Loosen set screw, pull fan blade from motor shaft. 8 If the blade is the only part being changed, reverse to reassemble. Note: blade mounts purge to end of motor shaft. 9 If the motor will be changed, remove mounting brackets from fan motor. Note: Fastener size is ¼” hex. 10 Reverse to reassemble. January 2015 Page 92 Repair Section Harvest Assist Solenoid / Mechanism 1 Remove front panel. 2 Push and release Manual Harvest button 3 Disconnect electrical supply Electrical Shock Hazard Disconnect electrical power before beginning 4 Remove sound shield (when used). Original Harvest Assist Solenoid 5 Unplug wires from solenoid or mechanism. 6 Remove screws and solenoid or mechanism from cabinet 7 Reverse to reassemble. Note: Solenoid replaced by mechanism beginning in 2013. Solenoid prior to 2010 may be eligible for recall. See www.scotsman-ice.com for details 2010 and later Harvest Assist Solenoid Harvest Assist Mechanism, use began 2013 January 2015 Page 93 Repair Section Ice thickness sensor 1. Push and release the Off switch. 2. Remove front and top panels. 3. Push and release the Harvest switch 4. Remove the evaporator cover. 5. Remove the sound shield (when used). 6. Disconnect electrical power. Electrical Shock Hazard Disconnect electrical power before beginning 7. Open the control box. 8. Remove curtain. 9. Locate sensor, squeeze mounting legs together to release it from the mounting bracket. 10. Remove sensor, follow wire back to control box. 11. Disconnect from controller connection J10. 12. Remove sensor from machine. 13. Reverse to reassemble. 14. Set initial probe-to-evaporator-surface gap using a 7/32” drill bit as a gauge. January 2015 Page 94 Repair Section Capacitor (run) 1. Disconnect electrical power. 2. Remove front panel. 3. Open control box cover. 4. Remove right side of control box. 5. Remove metal barrier from control box 6. Remove screw holding strap to back of the control box. 7. Remove wires from capacitor 8. Connect wires to new capacitor, refer to wiring diagram as needed. 9. Reverse to reassemble. Contactor 1. Disconnect electrical power. 2. Remove front panel. 3. Open control box cover. 4. Remove right side of control box. 5. Remove metal barrier from control box 6. Remove mounting screws holding contactor to control box. 7. Exchange wires from old controller to new. Refer to wiring diagram as needed. 8. Reverse to reassemble. January 2015 Page 95 Repair Section Controller 1. Disconnect electrical power. Electrical Shock Hazard Disconnect electrical power before beginning 2. Remove front panel. 3. Open control box door. 4. Unplug all wires from controller. 5. Remove screws holding controller to door 6. Push controller snaps down and pull controller from mounting bracket. 7. Before touching new controller, discharge any static electricity by touching the metal surface of the ice machine cabinet. 8. Rotate selector switch to the proper model number for the machine the controller is being installed on. 9. Install new controller on mounting bracket, secure with original screws. 10. Attach all wires removed. 11. Shut control box cover. 12. Switch on the electrical power. Controller’s Model Selector Switch January 2015 Page 96 Repair Section Curtain • Push and hold the Off button to shut the machine off. • Remove front panel. • Remove evaporator cover. • Push inside tab in to release front curtain pin from holder. • Pull curtain from machine. • Reverse to reassemble. Note: Two plate machines must place curtain on correct evaporator. Exception is the articulated curtain, which has magnets on both ends. • Push and release the ON button to restart the machine. Curtain switch 1. Push and hold the Off button to shut the machine off. 2. Disconnect electrical power Electrical Shock Hazard Disconnect electrical power before beginning 3. Remove front panel. 4. Remove evaporator cover. 5. Remove sound shield (when used) 6. Open control box. 7. Locate curtain switch on evaporator mounting bracket. Pull switch from its snaps or remove 2 screws. 8. Dismount wires from sump cover and remove from J7 or J8 connector on control board. 9. Reverse to reassemble. Be sure wires are re-mounted to sump cover edge. January 2015 Page 97 Repair Section Purge valve 1. Push and hold the Off button to shut the machine off. 2. Disconnect electrical power. Electrical Shock Hazard Disconnect electrical power before beginning 3. Remove front panel. 4. Remove left side panel. 5. Unplug wires from valve coil. Note: The coil can be removed from the valve body by rotating it 1/8 turn CW. After removal of the coil the spring and plunger can be taken out. 6. Remove screws holding valve to mounting bracket. 7. Remove inlet and outlet hoses 8. Remove valve from cabinet. 9. Reverse to reassemble 10. Push and release the On button to restart the machine Water level sensor 1. Push and hold the Off button until the machine shuts off. 2. Remove the front panel. 3. Remove the sound shield. 4. Locate water level sensor. 5. Squeeze the locking tabs together and pull the sensor up and out of the sump. 6. Unplug the electrical connection from the sensor. 7. Reverse to reassemble January 2015 Page 98 Repair Section Water pump 1 Push and hold the Off button until the machine shuts off. Electrical Shock Hazard Disconnect electrical power before beginning 2 Remove the front panel. 3 Remove the sound shield. 4 Unplug the water pump 5 Rotate the pump CCW about 1/8 turn to release it. 6 Lift pump up and remove hose 7 Attach hose to new pump 8 Install in pump bracket. 9 Rotate CW about 1/8 turn to lock it in place. 10 Plug pump into harness 11 Return panels to their original positions and secure with the original screws. 12 Push and release the ON button to restart the machine. January 2015 Page 99 Refrigeration Removal and Replacement Evaporator 1. Remove panels as needed for evaporator access. 2. Remove evaporator cover. 3. If the machine was in operation, push and release the Harvest button to warm up the evaporator. 4. Disconnect electrical power. Electrical Shock Hazard Disconnect electrical power before beginning 5. Remove harvest assist 6. Recover refrigerant. 7. Remove curtain 8. Remove water distributor 9. Release ice thickness sensor 10. Remove water distributor bracket from the top of the evaporator 11. Connect nitrogen bottle to discharge access port. Open both access valves. 12. Open nitrogen valve 13. Unsweat the inlet and outlet refrigerant tubes. Use caution when heating the tubing, do not damage the freezing compartment walls. 14. Shut nitrogen valve. 15. Gain access to the right side of the unit. Remove mounting screws holding the evaporator to the freezing compartment wall. Note: fastener size is 5/16” hex. 16. Remove the evaporator from the ice machine. 17. Attach new evaporator to freezing compartment wall, but do not secure tightly at this time. 18. Install the harvest assist. Be sure pin moves freely thru ejection hole. 19. Open nitrogen valve 20. Reconnect inlet and outlet tubes by brazing the copper tubes together. 21. Replace filter drier. 22. Shut access valves, remove nitrogen bottle. 23. Evacuate to at least 300 microns. 24. Weigh in the nameplate charge. Check for leaks. 25. Return ice thickness sensor bracket, ice thickness sensor, water distributor, curtain and evaporator cover to their original positions. 26. Reconnect electrical power. 27. Return panels to their original positions. January 2015 Page 100 Refrigeration Removal and Replacement Compressor 1. Remove front panel and sound shield (when used). 2. If the machine was in operation, push and release the Harvest button to shut it down. Wait until the harvest cycle has ended so the evaporator has no ice on it. 3. Open the replacement compressor box. Check the compressor nameplate, be SURE that the replacement compressor is the correct one for the unit. 4. Disconnect electrical power. Electrical Shock Hazard Disconnect electrical power before beginning 5. Recover refrigerant. 6. Remove compressor terminal cover and disconnect electrical leads. 7. Remove all the mounting bolts. 8. Open both discharge and suction access valves 9. Connect nitrogen to discharge access valve. 10. Open nitrogen valve. 11. Unsweat the suction, discharge and process tubes. 12. Unsweat the drier from the liquid line. Remove it. 13. Shut the nitrogen valve. 14. Remove the compressor from the ice machine. Note: Some models may require the control box to be moved slightly to allow compressor replacement. 15. Immediately place new compressor in ice machine. 16. Open nitrogen bottle and braze compressor suction, discharge and process joints together. Braze new drier into system. 17. Shut off nitrogen, shut access valves. 18. Evacuate to at least 300 microns. 19. Replace PTCR and run capacitor. 20. Weigh in the nameplate charge. Check for leaks. 21. Reconnect electrical leads. 22. Attach compressor terminal cover. 23. Reconnect electrical power. 24. Return sound shield and front panel to their original positions. Note: If the compressor is being returned for warranty, braze the stubs shut and tag the compressor with the required information. January 2015 Page 101 Refrigeration Removal and Replacement Thermostatic Expansion Valve 1. Remove front panel. 2. Remove sound shield (when used) 3. If the machine was in operation, push and release the Harvest button to shut it down. Wait until the harvest cycle has ended so the evaporator has no ice on it. 4. Disconnect electrical power. Electrical Shock Hazard Disconnect electrical power before beginning 5. Recover refrigerant. 6. Remove insulation covering expansion valve and bulb. 7. Remove strap securing bulb to suction line. 8. Open both discharge and suction access valves 9. Unsweat the expansion valve from the liquid line. Remove it. 10. Unsweat the drier from the liquid line. Remove it. 11. Connect nitrogen to discharge access valve. 12. Immediately place new valve in ice machine. 13. Open nitrogen bottle and braze expansion valve inlet and outlet joints together. Braze new drier into system. 14. Shut off nitrogen, shut access valves. 15. Evacuate to at least 300 microns. 16. Weigh in the nameplate charge. Check for leaks. 17. Attach bulb to suction line. Position at 4 or 8 o'clock on the tube. Secure tightly but do not crush the bulb with the strap. 18. Attach valve and bulb insulation. 19. Reconnect electrical power. 20. Return sound shield and front panel to their original positions. January 2015 Page 102 Optional add-on control information - KVS Vari-Smart™ or KVS Adjustable ice level option The adjustable ice level control is an optional add-on system consisting of an control board, label and sensor. The control board fits above the standard control and connects to it using connector J4. The sensor mounts to the base of the ice machine through a hole in the base. The control has an adjustment knob. Rotating the knob CW lowers the maximum ice level that the ice machine will maintain in the bin or dispenser. When the ice level is at or above maximum for the setting, the bin full light on the ultrasonic board will be ON. 11 12 13 14 10 16 9 18 0 20 32 22 30 28 26 24 Vari-Smart Check Out If the machine’s sump water is below 40 degrees or so, the Vari-Smart will only signal Bin Full at the end of a harvest cycle. If above 40, it should do so at the beginning of freeze. The easiest way to check it is as follows: 1. Install the Vari Smart on the Prodigy. 2. Set the Vari-Smart on 32” (Min in photo above). 3. Connect power to the unit. 4. Put the unit into a Manual Harvest 5. Position something about 12” from the sensor. The object should be a solid, flat item like a panel or manual. 6. Cycle the curtain switch to terminate harvest (open and close the curtain – both on a two plate model). 7. The unit should shut off on bin full at the end of the harvest cycle. The Bin Full light will be on and a b will show in the code display of the controller. 8. Rotate the selector to the correct position and restart the ice machine. Note: If a Smart-Board is on the machine, and it is controlling the Vari-Smart, rotating the Vari-Smart’s knob will have no affect. The Smart-Board’s control will have to be disengaged to perform this check out. January 2015 Page 103 SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills, IL 60061 USA 847-215-4500 800-726-8762 www.scotsman-ice.com 291-854
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