CARRIER Air Conditioner/heat Pump(outside Unit) Manual L0523313
User Manual: CARRIER CARRIER Air conditioner/heat pump(outside unit) Manual CARRIER Air conditioner/heat pump(outside unit) Owner's Manual, CARRIER Air conditioner/heat pump(outside unit) installation guides
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38BNB,BNE/40BNB,BNE036 Duct Free Systems Installation, Start-Up and Service Instructions CONTENTS I Page SAFETY CONSIDERATIONS ............................ 1 GENERAL ............................................ 1-3 INSTALLATION ....................................... 3-9 40BNB,BNE Indoor Unit Installation .................... 3 38BNB,BNE Outdoor Unit Installation ................... 5 Power Supply ........................................... 6 Evacuate Tubing and Check Refrigerant Charge ......... 9 Leak Test ............................................... 9 START-UP ............................................... 9 System Checks ......................................... 9 CARE AND MAINTENANCE .......................... 9, 10 38BNB,BNE Outdoor Units ............................. 9 40BNB,BNE Indoor Units ............................... 9 To Clean Indoor Unit Front Panel ....................... 9 To Clean Indoor Coil .................................... 9 Air Filters for 38BNB,BNE Outdoor Units and 40BNB,BNE Indoor Units ........................... 10 SERVICE ............................................ 10-13 TROUBLESHOOTING ................................. 14 SAFETY I lated separately. IMPORTANT: • Consult local building codes and National Electrical Code (NEC, U.S.A.) for special installation requirements. • Control • Use only type "G" or"C" • Use single length • Allow sufficient space for airflow clearance on condensing units for wiring, refiigerant piping, and servicing unit. See Fig. 1 and 2 for minimum required distances between unit and walls or ceilings. Indoor and outdoor units should be installed at a minimum of 10 It apart. Maximum line length is 130 It, and vertical separation is 66 It. Do not install indoor units near a direct source of heat such as direct sunlight, steam or flame. • • wiring Both refiigerant lines must be insu- should be 18 gage. fuses. power cable without extension. CONSIDERATIONS Installing, starting up, and servicing air-conditioning equipment can be haz_udous due to system pressures, electrical components, and equipment location (roofs, elevated structures, etc.). Only trained, qualified installers and service mechanics should install, start-up, and service this equipment. Untrained personnel can pet-form basic maintenance functions such as cleaning coils. All other operations should be performed by trained service personnel. When working on the equipment, observe precautions in the literature and on tags, stickers, and labels attached to the equipment. Follow zdl safety codes. We_u safety glasses and work gloves. Keep quenching cloth and fire extinguisher ne_uby when brazing. Use care in handling, rigging, and setting bulky equipment. Do not bury more than 36 in. of refi'igerant pipe in the ground, ff any section of pipe is buried, there must be a 6 in. vertical rise to the valve connections on the outdoor units. If more than the recommended length is buried, refrigerant may migrate to the cooler buried section during extended periods of system shut down. This causes refrigerant slugging and could possibly &image the compressor at start-up. 6" (0.15m) MIN. Before installing or servicing system, _dways turn off main power to system and inst_dl lockout tag on disconnect. There may be more than one disconnect switch. Electric_d shock can cause personal injury. 2' (0.sm)- GENERAL These instructions cover the installation, st_u-t-upand set-,deing of 38BNB,BNE036 outdoor and 40BNB,BNE036 indoor units cooling only and heat pump duct fi'ee systems. See Table 1 for paris included. See Tables 2 and 3 for Physical Data. System I Requirements and 3. IMPORTANT: See line sizing requirements in Tables 2 Fig. 1 -- 38BNB,BNE Outdoor Unit Clearances Manufacturer reserves the right to discontinue, or change at any time, specifications PC 111 Catalog No, 533-80123 Printed in U,S.A, or designs without notice and without incurring obligations. Form 38B/40B-5SI Pg 1 5-05 Replaces: 38B/40B-1SI, 38B/40B-3SI II Table 1 -- Parts List -- High Wall Units ITEM Mounting QTY Bracket Long Screws 5/8-in. Installation 1 9 Elbow Outdoor Sensor Connecting Cable Absorption 1 _-_ 1 Cushions Electric Terminals 16 Remote Controller Rack 1 rack with 2 screws Remote Controller and Batteries Insulation for Fittings Owner's Manual Wall Plugs DIAGRAM _j. ; :_::_ (Heat Pump Only) Table 2 -- Physical Data -- Cooling INDOOR UNIT Only COOLING CAPACITY (Btuh) SEER EER SYSTEM CHARGE* 33,000 10.0 8.8 (Ib) 8.0 970 DIMENSIONS H x L x W (in.) 38BNB-036 3/8...3/4 68/68/130 3/8...3/4 180.0 LEGEND based on 10 to 50 ft of Table 3 -- Physical Data -- Heat Pump INDOOR UNIT 40BNE-036 COOLING CAPACITY (Btuh) SEER EER 33,000 10.0 8.8 (Ib) 8.0 HEATING CAPACITY (Btuh) HSPF COP 33,400 6.8 2.0 MOISTURE REMOVAL (pt/hr) AIRFLOW High Cfm DIMENSIONS H x L x W (in.) 8.0 970 350 x 1800 x 200 NET WEIGHT (Ib) 83 UNIT 38BNE-036 TUBE CONNECTIONS Mixed Phase...Suction (in.) Vert Lift/Vert Drop/Max Length (ft) NOMINAL LINE SIZING Mixed Phase...Suction (in.) DIMENSIONS H x L x W (in.) 3/8...3/4 66/68/130 3/8...3/4 25.18 x 43.31 x 12.28 SHIPPING WEIGHT (Ib) 180.0 LEGEND ----- Coefficient of Performance Energy Efficiency Ratio Heating Seasonal Performance Factor Seasonal Energy Efficiency Ratio *Units are shipped with a factory charge refrigerant lines. NOTE: Standard System Operating (12.7 C to 51.6 C). INSTALLATION 40BNB,BNE INSTALL Energy Efficiency Ratio Seasonal Energy Efficiency Ratio *Units are shipped with a factory charge refrigerant lines. COP EER HSPF SEER Fig. 2 -- 40BNB,BNE Indoor Unit Clearances 25.18 x 43.31 x 12.28 NET WEIGHT (Ib) SYSTEM CHARGE* (1.8-2.5rn) 83.0 OUTDOOR UNIT TUBE CONNECTIONS Mixed Phase...Suction (in.) Vert Lift/Vert Drop/Max Length (ft) NOMINAL LINE SIZING Mixed Phase...Suction (in.) OUTDOOR 6'-8'3" 13.75 x 70.88 x 7.88 NET WEIGHT (Ib) --- 8" 8.0 MOISTURE REMOVAL (pt/hr) AIRFLOW High Cfm DIMENSIONS H x L x W (in.) EER SEER 6" (0. !_5m) rain. 40BNB-036 -- Unit Installation BRACKET which is 1. Carefully remove the mounting bracket, connected to the back of file indoor unit's meted base with 3 sclews. 2. Position the mounting bracket on the wall and level it using a spint level (see Fig. 2 for minimum required clearance distances). 3. Mark the seven drilling holes on the wall, as they appear in Fig. 4. 4. Drill the holes, insert the wall plugs and use the long screws to attach the mounting bracket to file wall. 5. Check that the bracket is level and secmely fastened to the wall. DRILL A HOLE [N THE WALL FOR DRAINAGE AND INTER-UNIT CONNECTIONSTo make the connections between the indoor and outdoor units, a 3-in. hole should be &illed for the refrigerant lines, drainage hose and control cable passage through the wall as shown in Fig. 5. 1. Mark the center of the hole to be &illed according to the refrigerant line routing used trod dimensions shown in Fig. 4. 2. Make sure to drill outwards and downwards, so that the opening in the outside wall is at least l/2-in, lower than the opening on the inside. 3. Make sure the drainage hose is fit the bottom side of the hole. 4. If refrigerant line route no. 1,4 or 5 me used, use a sm_dl saw blade to carefully remove file corresponding plastic covering on the side panel. 5. Run outdoor sensor cable, electrical cable, refrigerant lines and drainage tube through file hole. 6. Fill the remaining wall hole gap with an appropriate sealtint material. REFRIGERANT LINE ROUTING -- The refrigerant lines may be routed in any of the five directions shown in Fig. 3. based on 10 to 50 ft of Conditions Indoor THE MOUNTING 55 F to 125 F Use the 5/8-in. installation elbow supplied in the standmd accessories when routing the refrigerant lines in a direction other than no. 5. WIRE THE INDOOR UNIT 1. Remove the six screws shown in Fig. 6 and remove the unit's fiont panel. Save the screws to reassemble. 2. Remove both left and right panels and disconnect the display connector (see Fig. 7). 3. Remove the metal base. 4. Mount the indoor unit on the mounting bracket (see Fig. 8) to m_d_ethe remainder of the connections easier: 5. Electrical connections me made on the light side; refligerant and drainage connections on the left. Route the interunit control cable and tile outdoor sensor cable towmds the lower right corner of the indoor unit. (See Fig. 7.) 6. Make sure that file wires are connected in accor&mce with the wMng diagram on the inside of the front covel. or within this instruction manual. 7. Attach the inte>unit control cable with the cable clamp located on the unit. 8. For heat pump units only. connect the Outdoor Sensor TH3 connector to its mating connector (see Fig. 7). NOTE: Make sum that the inte>unit electric cable is properly connected to the indoor unit, according to the wiring diagram attached to the air conditioner. 5 Fig. 3 -- Refrigerant Lines T-Z 0.22m (8") rain. 25mm 25 mm (1") _70 mm (4") (3") (4") Fig. 4 -- Mounting Bracket Make sure that all wims and scmws am firefly fastened. Loose wires or connections can cause dmnage and present a fire hazard. MAKE DRAINAGE CONNECTIONS OUTDOOR SENSOR REFRIGERANT 3-IN. 1. Connect the unattached end of the di'ainage tube to the drainage hose outlet. 2. Seal the drainage connection to prevent leakage. 3. Make sure them me no kinks, "U" bends or flattened sections in the tube. I 1/2.1N. MIN f CABkE_LINES INDOOR OUTDOOR 4. Check that the drainage functions properly. Fill the pan below the unit's coil with water and observe that it fieely dmins out. ELECTRICAL CABLE DRAINAGE TUBE Fig. 5 -- Drill Holes 5. Make sure the drainage hose is at the bottom side of the wall through-hole (see Fig. 5). REASSEMBLE 1. Connect the display connector to the display panel printed circuit board. 2. Reassemble the end panel(s), using the scmws (Fig. 6). CONNECT REFRIGERANT LINES -- Connect the ends of the refrigerant lines to their appropriate fittings (see Fig. 9), following these guidelines: To connect the refrigerant lines use only "L" type sealed, dehydi'ated copper refrigerant tubing. No other type of tubing may be used. Use of other types of tubing will void the manufacturer's walTant y. Do not open service valves or remove protective caps from tubing ends until all the connections am made. Take cam to avoid kinks or flattening of the tubing. Bend tubing with special bending tools to avoid the formation of sharp bends. Keep the tubing fme of dirt, sand, moisture and other contaminants to avoid &imaging the refrigerant system. Avoid sags in the suction line to prevent the formation of oil traps. Insulate both refrigerant lines sepmately with 3/8-in. walled therm_d pipe insulation. Inserting the tubing into file insulation before making the connections can save time and improve insulation. The suction and mixed-phase lines should never come in direct contact. Fig. 6 -- Remove Screws DISPLAY _.... • _ SENSOR (HEAT Fig. 7 -- Outdoor PUMP Sensor Connection TH3 ONLY) ATTACH THE REMOTE CONTROLLER RACK 1. Use the two screws supplied to attach tile lack to tile wall in the location selected by the customer (see Fig. 10). 2. Install batteries in tile remote control. 3. Place remote control in to remote control rack. 4. For remote control operation, Manual. 38BNB,BNE Outdoor NOTE: Tile outdoor (mounting base). _-_REMOTE CONTROL refer to file unit Owner's Unit Installation unit must be installed on a solid surface 1. Place the rubber absorption cushions (supplied with the outdoor unit) under the unit's legs to prevent vibrations. 2. 3. _REMOTECONTROLRACK Fasten the outdoor unit legs to the mounting base, as shown in Fig. 11. The absorption cushions go between the legs and file mounting base. Be sure that the unit is level. MAKE WIRING CONNECTIONS 1. Remove the outdoor unit plastic side covel: 2. Loosen tile screws on tile terminal block. 3. 4. Attach tile electrical terminals supplied to the inter-unit control and power cable wires. Connect the wires to the terminal block. See Fig. 12 or 13. Fig. 10 -- Attach Rack to the Wall 5. For heat pump units only. connect the outdoor sensor cable TH3, making sure the connector is properly inserted. 6. Secure the inter-unit electric and sensor cable to the outdoor unit with the clamp shown in Fig. 11. 7. Reassemble the plastic side covel: NOTE: A drainage tube can be connected to the outdoor unit to remove condensation formed during heating mode operation. Make sure that all screws and wires are properly fastenedi Ix_ose wires or connections can cause &tmage and present a fire hazard. Fig. 8 -- Indoor Unit Mounting MAKE REFRIGERANT PIPING CONNECTIONS nect the lefrigerant lines: -- To con- Use only "L" type sealed, dehy&ated copper refrigerant tubing. No other type of tubing may be used. Use of other types of tubing will void the manufacturer's warranty. Do not open service valves or remove protective tubing ends until all the connections are made. caps fi_m Bend tubing with speckd bending tools to avoid the formation of shmp bends. Take care to avoid kinks or flattening of the tubing. Keep the tubing free of dirt, sand, moisture, and other contaminants to avoid damaging the refrigerant system. Fig. 9 -- Make Refrigerant Connections Avoid sags in the suction line to prevent the formation of oil traps. Insulate each tube with 3/s-in. w_dled thermal pipe insulation. Inserting the tubing into the insukition before making the connections will save time and improve inst_llation. The suction and mixed-phase lines should never come in direct contact. POWER FLARING SUPPLY INTER UNIT TERMINAL BLOCK AND CONNECTING 1. Remove the protective \ 3. Slip the flare nut on the tubing using standiud tl_uing tools. 4. Tighten the nut until resistance is met. M;uk the nut and the fitting. Using a suitable wrench, tighten an additional I/4 turn. Use the following specified torque, according to connection size: METAL Mixed-Phase CABLE BE PUT UNDER EACH LEG cap from the flgue fitting. Remove the protective cap from the tubing and cut to the required length. Be sure that the cut is perpendicular and clean, wifllout burrs. (HEAT PUMP ONLY) PLATE LINES 2. HIGH/LOW BARRIER REFRIGERANT line: and flare the tube end Suction line: 3/s-in.(29 ft-lb) 3/4-in. -- (72 ft-lb) NOTE: The valves on the outdoor unit must remain closed until all 4 connections have been made. Power Supply -- See Tables 4 and 5 for electrical and Fig. 12 and 13 for system wMng diagrams. data Fig. 11 -- Location of Legs on Base -Outdoor Units Table 4 -- Electrical Data, Indoor Units -- 208/230-1-60 UNIT MCA* MOCP* FULL LOAD AMPS FAN MOTOR AMPS COMPRESSOR LOCKED ROTOR AMPS COMPRESSOR AMPS 40BNB I 036 0.8 15 0.6 0.6 NA 40BNE I 036 0.8 15 0.6 0.6 NA LEGEND MCA MOCP --- Minimum Circuit Amps Maximum Overcurrent Protection *If indoor unit is powered from outdoor terminal block, the MOCP for the outdoor unit is for both sections NOTE: Specifications without notice. and performance data are subject to change Table 5 -- Electrical Data, Outdoor Units -- 208/230-1-60 UNIT MCA* MOCP* FULL LOAD AMPS FAN MOTOR AMPS COMPRESSOR AMPS COMPRESSOR LOCKED ROTOR AMPS 38BNB [ 036 25 40 20.2 1.8 18.4 95 38BNE I 036 25 40 20.2 1.8 18.4 95 LEGEND MCA MOCP --- Minimum Circuit Amps Maximum Overcurrent Protection *If indoor unit is powered from outdoor terminal block, the MOCP for the outdoor unit is for both sections NOTE: Specifications without notice. and performance data are subject to change INDOOR UNIT OUTDOOR UNIT TH3 (SEE J9 NOTE 3) JlO FBLK_ J4 BLK f BLK RED RED RED BLK YEL 2 BRN GRN B DISPLAY ,_ J24 TB BRN i I I I_ BRN I i1 IT BB ,;1 i . _ . i _i' . ill I.. I GRN/YEL 3 IL OR I O RED J14 SEE 1 IH NOTE _ I I TB FC BLUE J14 TAC . BLK `;14 J2 I _lZl_ 5 2 840 CONTROLLER FIELD POWER SUPPLY TO OUTDOOR UNIT DISCONNECT -4 BLU BRN GRN/YEL i _ I m LEGEND C CO COMP FC GND IFM OFM RVS SW TB TH i i -i i i i i i i i Contactor Compressor Capacitor Compressor Fan Capacitor Ground Indoor Fan Motor Outdoor Fan Motor Reversing Valve Solenoid Sweep Motor Terminal Block Thermistor/Thermostat 4_ O • [_ i .... --,,,,,,,, --- -- Terminal (Marked) Splice Terminal (Unmarked) Terminal Block Factory Wiring Field Control Wiring Field Power Wiring Accessory or Optional Wiring NOTES: 1. If any of the original wire furnished must be replaced, it must be replaced with Type 90 ° C wire or its equivalent. 2. Wire in accordance with National Electrical Code (NEC) and local codes. 3. Thermistor wiring cable 32 ft long provided with indoor unit. 4. Compressor and fan motors are protected by internal thermal overloads. 5. Indoor unit shown with power source from outdoor unit. Indoor unit may be wired to separate power source depending on service requirements. Fig. 12 -- Heat Pump System Wiring Schematic 40BNE036 Fan Coil with 38BNE036 Condensing Unit FIELD CONTROL J9 JlO SUPPLIED WIRING J11 8 J4 RED RED • RED RED WHI BRN BLK DISPLAY J24 BB Js 24 BB J7 RELAY PCBD WHT I i'l J3 IT BB J1 VAC J13 J2 [] [] BLK IiI i DR ii L I RED J14 1 SEE FC i i BLU _ GRN/YEL II i_diiiii J14 3 i b NOTE i GRN/YEL iI TB i ii 4 i m IH J14 J14 25 BLUE _lZl_ _ TAC 840 CONTROLLER 6 oo FIELD POWER SUPPLY TO OUTDOOR UNIT DISCONNECT BLU i i BRN _ _ i i I I I I I LEGEND C CC COMP FC GND IFM OFM SW TB TH i i i i i -i i i -- Contactor Compressor Capacitor Compressor Fan Capacitor Ground Indoor Fan Motor Outdoor Fan Motor Sweep Motor Terminal Block Thermistor/Thermostat O • 1_ i .... ....i. --- -- Terminal (Marked) Splice Terminal (Unmarked) Terminal Block Factory Wiring Field Control Wiring Field Power Wiring Accessory or Optional Wiring Fig. 13 -- Cooling Only System Wiring Schematic NOTES: 1. If any of the original wire furnished must be replaced, it must be replaced with Type 90 ° C wire or its equivalent. 2. Wire in accordance with National Electrical Code (NEC) and local codes. 3. Compressor and fan motors are protected by internal thermal overloads. 4. Indoor unit shown with power source from outdoor unit. Indoor unit may be wired to separate power source depending on service requirements. 40BNB036 Fan Coil with 38BNB036 Condensing Unit Evacuate Tubing And Check Refrigerant Charge -- When all the fittings ;ue connected, air must be expelled. Follow the steps below to create an air vacuum. 3. How to set the air deflection 4. 5. Explain care and maintenance. Present the Owner's Manual and installation to the customel: 1. Open the service port cap on the suction line valve (large valve). 2. Connect the vacuum pump to the service port via the pressure gage and evacuate to 500 microns to eliminate contamination and moisture. 3. Be sure that full vacuum vacuum pump. 4. Open the mixed-phase wrench. 5. Open the suction line valve (large valve) with an Allen wrench. 6. The outdoor unit is supplied with suMcient R-22 refrigerant for 10 to 50 ft of line set. Add 0.9 oz of refrigerant for each additional 3 ft of tubing used. 7. Close the service port caps on the suction line and the mixed-phase valves. 8. Make sum that the valves tue properly opened. Be careful not to open them more than required as this may dmnage the thread. 9. Replace the service port cap. Using refrigerant oil, lubricate the cap begun and hand tighten the cap, until resistance is met. Use a suitable wrench to tighten the cap by an additional I/2 turn. Leak Test- Leak is present. Disconnect the test all fittings with appropriate test CARE AND MAINTENANCE The following may be perforlned 38BNB,BNE Outdoor by the equipment ownel: Units Before performing recommended maintenance, be sum unit main power switch is turned off. Failure to do so may result in electric shock or injury from rotating fan blade. CLEANING COILS--Coil should be washed out with water or blown out with compressed all: Clean coil annually or as required by location and outdoor air conditions. Inspect coil monthly and clean as required. Fins ;ue not continuous through coil sections. Dirt and debris may pass through first section, become trapped between the row of fins and restrict outdoor unit airflow. Use a flashlight to determine if dirt or debris has collected between coil sections. Clean coil as follows: 1. Turn off unit powec 2. Using a garden hose or other suitable equipment, flush coil fiom the outside to remove dirt. Be sure to flush all dirt and debris from drain holes in base of unit. Fan motors are waterproof. 40BNB,BNE START-UP Indoor Units Checks 1. Hide the tubing where possible. 2. Make sure that the drainage tube slopes downward its entire length. 3. 4. Insulate tubing and connections. Fasten tubes to the outside wall. 5. Se;d the hole through which the cables and tubing pass. 6. Connect it on. the air conditioner Check all air conditioner operating Owner's Manual for operating details. INDOOR UNIT 1. Do all the remote controller along To avoid the possibility of electric shock, before performing any cleaning and maintenance operations, always turn off power to the system by pressing the mode button on the remote control until the display shows "OFF," and turn off the separate disconnect switch located neal" the unit. If the indoor unit is on a sepal'ate switch, be sure to turn this disconnect off as well. to the power source and turn 7. modes. Refer to buttons function properly? 2. Do the display panel lights work properly? 3. Does the air deflection Do not wash filter in water over 120° F (to avoid shrinkage). Do not expose filter to fire (to avoid fire &_mage). Do not expose filter to direct sunlight. Clean filter more frequently when air is extremely dirty. louver function properly? 4. Does the drainage work? OUTDOOR UNIT 1. Are there unusual noises or vibrations 2. instructions valve (small valve) with an Allen equipment. System louvel: Is noise, drain water or airflow disturb the neighbors'? 3. Are there any gas leaks'? EXPLAIN THE FOLLOWING CUSTOMER, WITH THE AID MANUAL: during operation? Do not attempt to clean or service components in control box. from the unit likely to To Clean Indoor ITEMS OF THE TO THE OWNER'S 1. How to turn the air conditioner on and off; selecting cooling, heating and other operating modes; setting a desired temperature; setting the timer to automatically start and stop air conditioner operation; and the other features of the remote controller and display panel. 2. How to remove and clean the air filtel: Unit Front Panel --If the fiont panel of the unit becomes dilty or smudged, wipe the outside of the panel with a soft dry cloth. Use a mild liquid detergent and wipe off cguefully with a dlT cloth. To Clean Indoor Coil--To clean the coil, remove indoor unit front panel and vacuum the coil fins, using care not to bend or damage fins. LUBRICATION the outdoor-fan oiling. -- The indoor-fan, automatic air sweep, and motors ale factory lubricated and require no Air Filters for 38BNB,BNE 40BNB, BNE Indoor Units Outdoor Units and SERVICE The following technician. (Tables 6 and 7 and Fig. 14) should be performed Clean Condensate Operating system with dirty air filters may damage the indoor unit and, in addition, can cause reduced performance, intermittent system operation, fi'ost build-up on file indoor coil, and blown luses. Inspect and clean or replace the air filtel.s monthly. drain pans by pouring only be cleaned 1. TO REMOVE AIR FILTERS -- Remove filters by pulling them straight out. TO CLEAN OR REPLACE FILTERS -- Filters can be vacuumed or washed in warm watec Shake filter to remove any excess water, and replace by sliding filter behind grille until filter snaps in place. If the filter has begun to break down or is torn, replace it. Replacement filters tu'e available through a local dealel: Place may Drains--Clean at the stag of each cooling water into the drain. Clean or Replace Drain Pan or replaced a plastic spill from -- grille service all drains and season. by a qualified sheet on the floor drain pan. the intake by a qualified Check the flow The drain pan should service to catch 2. Remove and distribution 3. Remove the condensate water in the drain water drain into a 3-gallon bucket. technician. tiny water that assembly. pan by letting Table 6 -- Service Indicators LAMP STATUS INDICATION CORRECTIVE ACTION Flashing* 1 Flash Dirty filter Clean the filter. Faulty TH1 Sensor Check the TH1 thermistor for correct resistance. Check for proper connection. Replace thermistor if necessary. 2 Flashes Faulty TH2 Sensor Check the TH2 thermistor for correct resistance. Check for proper connection. Replace thermistor if necessary. 3 Flashes Low Pressure Check system pressures. Check refrigerant charge. Check thermistors (TH1 and TH2) for correct resistance. 4 Flashes High Pressure Check system pressures. Check refrigerant charge. Check thermistors (TH1 and TH2) for correct resistance. 5 Flashes Low Voltage Check operating voltage. Check electrical connections. 6 Flashes High Voltage Check operating voltage. Check electrical connections. *The Filter Indicator lamp is found on the unit front panel; this lamp will flash repeatedly when the filter needs cleaning. The remainder of the table refers to the Service Indicator Light, which is located on the control panel beneath the grille cover. For more information, refer to the Owner's Manual. NOTE: The power light stays on when the unit is powered up and operating. The power light flashes to indicate there is a system error. Error code read from control. The air conditioner light is on during cooling and heating, and flashes during defrost. 10 LED INDICATES ERROR CODE AIR CONDITIONER INDICATOR LIGHT AUTO OFF FILTER @ mREMOTE AIRCON. @ TIMER POWER @ @ POWER INDICATOR LIGHT WILL FLASH IFAN ERROR IS PRESENT Fig. 14 -- Indicator Lights 11 Table 7 -- 40BNB/BNE Thermistor TH-1, TH-2, and TH-3 Temperature to Resistance Conversion TEMPEATURE TEMPERATURE TEMPERATURE TOLERANCE TEMPERATURE TOLERANCE MINIMUM RESISTANCE MEAN RESISTANCE MAXIMUM RESISTANCE (F) (c) (F) (C) (K_) (K_) -4.0 -20 _+2.0 _+1.1 30.89 32,44 34.05 -2.2 -19 •+2.0 _+1.1 29.46 30.93 32.45 -0.4 1.4 -18 -17 •+2.0 _+1.1 28.12 29.51 30.94 •+2.0 _+1.1 26.84 28.16 29.51 3.2 -16 •+2.0 _+1.1 25.64 26.88 28.15 5.0 -15 •+2.0 _+1.1 24.49 25.66 26.87 6.8 -14 •+2.0 _+1.1 23.40 24.52 25.66 8.6 -13 •+2.0 _+1.1 22,38 23.43 24.50 10.4 -12 •+2.0 _+1.1 21.40 22,39 23.41 12.2 -11 •+2.0 _+1.1 20.47 21.41 22.38 14.0 -10 •+1.8 _+1.0 19.59 20.48 21.40 15.8 -9 •+1.8 _+1.0 18.74 19.59 20.45 17.6 19.4 -8 -7 •+1.8 _+1.0 17.94 18.74 19.56 •+1.8 _+1.0 17.17 17.93 18.71 21.2 -6 •+1.8 _+1.0 16.44 17.16 17.90 23.0 -5 •+1.8 _+1.0 15.75 16.43 17.13 24.8 -4 •+1.8 _+1.0 15.10 15.74 16.40 26.6 -3 •+1.8 _+1.0 14.47 15.08 15.71 28.4 -2 •+1.8 _+1.0 13.87 14.46 15.05 30.2 -1 •+1.8 _+1.0 13.31 13.86 14.42 32.0 0 •+1.8 _+1.0 12,77 13.29 13.83 33.8 1 •+1.8 _+1.0 12.25 12.74 13.25 35.6 2 •+1.8 _+1.0 11.75 12.22 12.70 37.4 3 •+1.8 _+1.0 11.28 11.73 12.18 39.2 4 •+1.8 _+1.0 10.83 11.25 11.68 41.0 5 •+1.8 _+1.0 10.40 10.80 11.21 42.8 6 •+1.8 _+1.0 9.986 10.370 10.76 44.6 46.4 7 8 •+1.8 _+1.0 9.595 9.960 10.33 •+1.8 _+1.0 9.222 9.569 9.921 48.2 g •+1.8 _+1.0 8.866 9.196 9.530 50.0 10 •+1.8 _+1.0 8.526 8.840 9.157 51.8 11 •+1.8 _+1.0 8.197 8.496 8.797 53.6 12 •+1.8 _+1.0 7.883 8.167 8.453 55.4 57.2 13 14 •+1.6 _+0.9 7.583 7.853 8.125 •+1.6 _+0.9 7.296 7.553 7.812 59.0 15 •+1.6 _+0.9 7.022 7.267 7.513 60.8 16 •+1.6 _+0.9 6.761 6.993 7.227 62.6 17 •+1.6 _+0.9 6.510 6.731 6.954 64.4 66.2 18 19 •+1.6 _+0.9 6.271 6.481 6.693 •+1.6 _+0.9 6.042 6.242 6.444 68.0 20 •+1.6 _+0.9 5.822 6.013 6.208 69.8 21 •+1.6 _+0.9 5.611 5.793 5.978 71.6 22 •+1.6 _+0.9 5.408 5.581 5.755 73.4 23 •+1.6 _+0.9 5.214 5.379 5.544 75.2 24 •+1.6 _+0.9 5.028 5.185 5.343 77.0 25 •+1.6 _+0.9 4.850 5.000 5.150 78.8 26 •+1.6 _+0.9 4.675 4.821 4.968 80.6 27 •+1.6 _+0.9 4.508 4.650 4.793 82.4 84.2 28 29 •+1.6 _+0.9 4.347 4.486 4.626 •+1.8 _+1.0 4.193 4.329 4.466 86.0 30 •+1.8 _+1.0 4.046 4.179 4.312 87.8 31 •+1.8 _+1.0 3.904 4.033 4.163 89.6 91.4 32 33 •+1.8 _+1.0 3.767 3.894 4.020 •+1.8 _+1.0 3.637 3.760 3.884 93.2 34 •+1.8 _+1.0 3.511 3.631 3.752 95.0 35 •+1.8 _+1.0 3.391 3.508 3.626 96.8 36 •+2.0 _+1.1 3.275 3.390 3.505 98.6 37 •+2.0 _+1.1 3.164 3.276 3.389 NOTE: Resistance tolerance _+3%. 12 (KC_) Table 7 -- 40BNB/BNE Thermistor TH-1, TH-2, and TH-3 Temperature TEMPEATURE TEMPERATURE TEMPERATURE TOLERANCE TEMPERATURE TOLERANCE MINIMUM RESISTANCE to Resistance Conversion MEAN RESISTANCE (cont) MAXIMUM RESISTANCE (F) (c) (F) (C) (K_) (K_) (K_) 100.4 38 ±2.0 ±1.1 3.058 3.167 3.277 102.2 39 ±2.0 ±1.1 2,956 3.062 3.169 104.0 105.8 40 41 ±2.0 ±1.1 2,857 2.961 3.066 ±2.0 ±1.1 2,762 2.864 2,966 107.6 42 ±2.0 ±1.1 2,671 2.770 2,870 109.4 43 ±2.2 ±1.2 2,583 2.679 2,777 111.2 44 ±2.2 ±1.2 2,498 2.593 2,688 113.0 45 ±2.2 ±1.2 2,417 2.509 2,602 114.8 46 ±2.2 ±1.2 2,339 2.429 2,520 116.6 47 ±2.2 ±1.2 2,264 2.352 2,441 118.4 48 ±2.3 ±1.3 2,192 2.227 2,364 120.2 49 ±2.3 ±1.3 2,122 2.206 2,291 122.0 123.8 50 51 ±2.3 ±1.3 2,055 2.137 2,220 ±2.3 ±1.3 1.990 2.070 2,151 125.6 52 ±2.3 ±1.3 1.928 2.006 2,085 127.4 53 ±2.3 ±1.3 1.867 1.943 2,021 129.2 54 ±2.3 ±1.3 1.809 1.883 1.959 131.0 55 ±2.5 ±1.4 1.753 1.826 1.900 132.8 56 ±2.5 ±1.4 1.699 1.770 1.842 134.6 57 ±2.5 ±1.4 1.647 1.717 1.787 136.4 58 ±2.5 ±1.4 1.597 1.665 1.734 138.2 59 ±2.5 ±1.4 1.549 1.615 1.683 140.0 60 ±2.5 ±1.4 1.503 1.567 1.633 141.8 61 ±2.7 ±1.5 1.458 1.521 1.585 143.6 62 ±2.7 ±1.5 1.414 1.476 1.539 145.4 63 ±2.7 ±1.5 1.372 1.432 1.494 147.2 64 ±2.7 ±1.5 1.332 1.391 1.451 149.0 150.8 65 66 ±2.7 ±1.5 1.293 1.350 1.409 ±2.9 ±1.6 1.255 1.311 1.369 152.6 67 ±2.9 ±1.6 1.219 1.274 1.330 154.4 68 ±2.9 ±1.6 1.184 1.237 1.292 156.2 69 ±2.9 ±1.6 1.150 1.202 1.256 158.0 70 ±2.9 ±1.6 1.117 1.168 1.221 NOTE: Resistance tolerance ± 3%. 13 TROUBLESHOOTING Be sure to check for broken before troubleshooting system. Table 8 -SYMPTOM Unit Fails to Start. General System (Table 8) wiles or loose Troubleshooting PROBABLE CAUSE Only Indoor Fan Works when Cooling or Heating is Desired. NOTE: Indoor fan runs continuously in cooling mode. Only Indoor Fan Motor and Outdoor Fan Motor are Working. No Cooling and/or Heating Takes Place. No Air Supply at Indoor Unit (Compressor Operates). lugs Guide CORRECTIVE ACTION Power supply to unit not connected (POWER LED Off). Check for proper connection of power at disconnect. Fuse blown (POWER LED Off). Reset circuit breaker or replace line fuse. ON/SEND Press ON/SEND button on remote control, or use the AUTO 3-position slide switch for automatic constant 72 F (22 C) set point (when remote control is not available). button has not been pressed. Indoor unit does not receive transmitted commands. Make sure that nothing is blocking the remote control transmission to the unit. AUTO-OFF-REMOTE Slide the 3-position switch on the Display to REMOTE ?osition. switch is set to Off. The selected mode is Fan Only, or Cool when heating is desired. Check if the remote control is in the desired mode. If not, select the correct mode (refer to User manual). Also note that every 15 minutes (max) the compressor will be switched minimally on for 3 minutes. Temperature Cool mode). Observe the temperature setting on the remote control. Also note that each 15 minutes (max), the compressor will be switched on minimally for 3 minutes. is set to a value which is too high (in Overload safety device on compressor due to high temperature. is cut out Switch off power and try again after one hour. Compressor run capacitor is burnt. Replace compressor Compressor winding shorted. Replace compressor. run capacitor. Indoor fan motor is blocked or turns slowly. 1. Check voltage. Repair wiring if necessary. 2. Check indoor fan wheel if tight on motor shaft. Tighten if necessary. Indoor fan motor capacitor is burnt. Replace indoor fan motor capacitor. Indoor fan motor winding is burnt. Replace indoor fan motor. In Heat mode: Delayed start for indoor fan motor. Normal software delay (max. 20 sec). Clean filters. Clogged air filters. Low Capacity. cable Lack of refrigerant. tor coil. Ice formation on the evapora- Clogged air filters. Unit must be charged (according after localizing the gas leak. Clean filters. to the nameplate) In Heat Mode, Only Compressor Runs. Outdoor and Indoor Fan Motors are Stopped. AIR CON Indicator Flashes. A/C operating in defrost cycle. Wait 10 minutes (maximum) normal operation. Water Accumulates and Overflows from Evaporator Drain Pan. Drain pan pipe or hose is clogged or the spout of drain pan is clogged, Disassemble plastic drain pipe from spout of evaporator drain pan. Flush with clean water. Unit Does Not Operate Mode. The 3-position slide switch on the unit display is in AUTO or OFF position. Change the slider position to REMOTE. Faulty remote control settings. 1. If remote control symbols respond to the commands correctly, check the unit ID Code (Standard or Alternative). Refer to "Changing Unit ID Code" in the Owner's Guide and Remote Control DIP switch 3 setting in the Owner's Manual. 2. If Cool commands are OK, but Heat symbol is skipped on LCD, refer to Remote Control DIP switch 7 setting in the Owner's Manual. 3. Replace remote control. Remote control low battery. Common Infrared Code. Replace remote control batteries. in Desired The Unit Receives Interference from Other Remote Control or the Remote Control Interferes with Other Instruments. until the unit resumes Modify the Remote Control IR transmission code. Refer to "Changing Unit ID Code" and to Remote Control DIP switch 3 setting in the Owner's Manual. 14 Copyright 2005 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications PC 111 Catalog No. 533-80123 Printed in U.S.A. or designs without notice and without incurring obligations. Form 38B/40B-5SI Pg 16 5-05 Replaces: 38B/40B-1SI 38B/40B-3Sl
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