TRANE Package Units(both Units Combined) Manual L0904650
User Manual: TRANE TRANE Package Units(both units combined) Manual TRANE Package Units(both units combined) Owner's Manual, TRANE Package Units(both units combined) installation guides
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18-AB33D7-3 I STALLATIO OPERATION NT CE ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES Model: TCX024G1 TCX030GI TCX036G 1,3,4 TCX042G1,3 IMPORTANT-work. This Document TCX048G1,3,4 TCX060G1,3,4 BAYLIFT002AA LIFTING LUG KIT is customer 12 SEER Single Package Cooling W/Electric Heat 2 -5Ton property and is to remain with this unit. Please return to service information All phases of this installation must comply with the NATIONAL, STATE & LOCAL CODES. tion must conform with National Electric Code -- ANSI/NFPA 70 or "LATEST REVISION." pack upon completion of In the absence of local codes, the installa- Since American-Standard has a policy of continuous product improvement, it reserves the right to change the specifications and design without notice. © 2002 American Standard Inc. All rights reserved 07/02 GENERAL IMPORTANT: Read this entire manual before beginning lation procedures. INFORMATION instal- SAFETY NOTICE• THIS INFORMATION IS INTENDED FOR USE BY INDIVIDUALS POSSESSING ADEQUATE BACKGROUNDS OF ELECTRICAL AND MECHANICAL EXPERIENCE. ANY ATTEMPT TO REPAIR A CENTRAL AIR CONDITIONING PRODUCT MAY RESULT IN PERSONAL INJURY AND/OR PROPERTY DAMAGE. THE MANUFACTURER OR SELLER CANNOT BE RESPONSIBLE FOR THE INTERPRETATION OF THIS INFORMATION, NOR CAN IT ASSUME LIABILITY IN CONNECTION WITH ITS USE• IMPORTANT: RECONNECT ALL GROUNDING DEVICES• ALL PARTS OF THIS PRODUCT CAPABLE OF CONDUCTING ELECTRICAL CURRENT ARE GROUNDED. IF GROUNDING WIRES, SCREWS, STRAPS, CLIPS, NUTS OR WASHERS USED TO COMPLETE A PATH TO GROUND ARE REMOVED FOR SERVICE, THEY MUST BE RETURNED TO THEIR ORIGINAL POSITION AND PROPERLY FASTENED. IMPORTANT: ALL POWER LEGS MAY NOT BE BROKEN BY CONTACTORS. SEE WIRING DIAGRAM ON UNIT CONTROL BOX COVER. Read this manual carefully before attempting to install, operate, or perform maintenance on this unit. Installation and maintenance should be performed by qualified service technicians only. NOTE: "Warnings" and "Cautions" appear at appropriate places in this manual Your personal safety and the proper operation of this air conditioning product require that you foflow them carefully• The manufacturer assumes no liability for installations or servicing performed by unqualified personnel. INSPECTION 1. Check for damage after the unit is unloaded• Report promptly, to the carrier, any damage found to the unit. Do not drop the unit. IMPORTANT: The use of"spreader bars" is required when hoisting the unit (to prevent damage to sides and top). TYPICAL ROOFTOP INSTALLATION (TCX024-036G 3. Check to be sure the refrigerant charge has been retained during shipment. Access to 1/4" flare pressure taps may be gained by removing the furnace compartment access panel. WITH FULL PERIMETER CURBS Models on BAYCURB030,038) FIELD SUPPLIED SUPPORTS AT EACH END OF CURB ~ FIELD SUPPLIED CANT STRIP FIELD SUPPLIED RIGID INSULATION ROOF MOUNTING CURB Page 2 J 2. Check the unit's nameplate to determine if the unit is correct for the intended application. The power supply must be adequate for both the unit and all accessories. BEFORE STARTING THE COMPRESSOR, THE CRANKCASE HEATER SHOULD BE ENERGIZED FOR EIGHT HOURS. © | SUPPLY AIR _ RETURN AIR DUCT _ DUCT @ TYPICAL ROOFTOP iNSTALLATiON WiTH UNIVERSAL (TCX024=060G IVlodels) SEE NOTE BAYCURB030A,038A I SEE NOTE2 FIELD SUPPLIED SUPPORTS ATEACNEND OFCURB ,_J_ROOFINSULATION FIELD SUPPLIED CANT STRIP ROOF FIELD RIGID SUPPLIED iNSULATiON NOTE 1: The TCX042G Models extend out past this end of the curb only• NOTE 2: Only the TCX048, 060F Models extend past both the end and the DUCT SUPPLY AIR / ROOFMOUNTING ) CURB RETURNAIR DUCT side of the curb as illustrated CONVERTING HORIZONTAL TO DOWNFLOW NOTE SUPPLY 1 RETURN 2 OPENING REMOVE THE SCREW NEAREST TO THE OPENING AND PULL THE PANEL FIRMLY TOWARD THE OUTSIDE OF THE UNIT TO DISENGAGE THE BACK ATTACHMENT OPENING REMOVE RIGHT-HAND SCREW AND MOVE PANEL TO THE RIGHT OR REMOVE BOTH SCREWS SHEET METAL SCREWS HORIZONTAL RETURN AIR COVER HORIZONTAL SUPPLY AIR COVER Page 3 DiMENSiONAL DATA © _>_ SUPPLY I:RE/URN PANEl J 8( ECONOM}ZER/FII_TER ACCESS EVAPORA1OR CO I L BLOWER >ANEL J 8( s 66 MM KNOCKOU H 8( CONDU I VO AO( CONN NG 8( CONDU OR CI I ON 76 MM BbSH LO HOR I ZONTAL SUPP}Y OPEN I NG VOLTAGE T FOR CONNECTION _"f DOWNF LC SUPP Y OPEN NO CONDENSATE ..... j_ 19 NOR I ZONTAL RETURN OPENING MM DRAIN [5\4"] --DOWNFLOW OPENING FOR FEMALE NPT RETURN D66 Z955 2 SECT SECT. X-X TYPICAL CROSS BEC/ION OF SUPPLY & RETURN PERIMETER FLANGES MODEL CORNER WEIGHT (LBS) Y-Y TYPICAL CROSS SECT ON OF DOWNFLOW SUPPLY 8( RETURN PER METER FLANGES UNIT WEIGHT TCX024G W1 75 W2 57 W3 78 W4 101 311 TCXO30G 75 60 84 106 323 TCXO36G 78 63 86 106 334 TCXO42G 86 63 86 111 334 TCXO48G 98 93 111 128 430 TCXO69G 112 86 114 144 457 A B C 56-1/2 36 253/16 56-1/2 65-1/4 36 45 29-3/16 33-3/8 D E 18-9/16 11-1/16 18-9/16 11-1/16 F G H J K L M N P 6-9/16 6-13/16 17 21 24-I/4 17-I/2 10 3 4-7/16 21 24-7/8 20-1/2 25-I/4 17-I/2 10 3 4-7/16 20-1/2 25-7/8 25-3/8 30-1/4 25-3/16 28-7/8 20 14 3-1/2 8-5/16 6-9/16 21-1/16 15-1/16 4-15/16 6-13/16 9-1/8 17 21-15/16 From Dwg. 21 D663966 Rev. 0 Page 4 DiMENSiONAL DATA @ CON I I:RO BOX ACCESS PANE} CONDENSER & "E[ECTR}C CO!L GUARD HEATER ACCESS PANEl 0667982 CLEARANCE TO COMBUSTIBLE MATERIAL BOTTOM 0.0" RECOMMENDED SERVICE CLEARANCE BACK LEFT RIGHT SIDE SIDE FRONT * 6.0" 30.0" BACK 1.0" 24.0" LEFT SIDE 6.0" 42.0" RIGHT SIDE 6.0" 18" WITH FRESH AIR ACCESSORY • 30" WITH ECONOMIZER FRONT SIDE 12.0" TOP 36.0" MODEL A B C TCX024G 56 1/2 36 25 3/16 TCX030G TCX036G TCX042G 56-1/2 36 29-3/16 TCX048G TCX06OG 65-1/8 45 33-3/8 From Dwg. 21 D663965 Rev. 0 Page 5 REQUIRED CLEARANCE FOR UNIT iNSTALLATiON AND ROOF PENETRATION HOLE SiZE REQUIRED SERVICE SERVICE CLEARANCE LINES L LINES SUPPLY AIR RETURN SIDE RAIL WOOD SERVICE CLEARANCE MODEL NO. AIR / NAILER _ & PENETRATION DIMENSIONS A B C D E F TCX024-042G 42" 30" "12" 24" 36" 25" TCX048-060G 42" 30" "12" 36" 50" 25" E * 18" WITH FRESH AIR ACCESSORY * 30" WITH ECONOMIZER LOCATIONS AND RECOMMENDATIONS These units are designed for outdoor installation. For proper installation, the following recommendations must be considered. NOTE: If any internal accessories are to be added to the unit it should be done at the shop if at all practical. NOTE: Unit shipped for horizontal downflow per instruction. to 2. Unit should be positioned so Roof-Run-Off water does not pour directly on unit. The discharge air from the condenser fans must be unrestricted for a minimum of 3 feet above the unit. 3. For"RoofTop Application," unit must be elevated above roof with a mounting Curb or Frame. Roof Mounting Curb (field assembled BAYCURB030A and BAYCURB034A) or a field fabricated curb must be in place before unit is hoisted to the roof. 4. Exhaust vents or other sources of contaminated air should not be near unit air inlet if outside air is to be introduced as a make-up air or the economizer ventilation feature is to be used. Roof Mounting Curb (frame) must be installed on a fiat, level section of the roof(max, of 1/4" per foot pitch), providing a level mounting surface for the unit. In addition, provide sufficient height above the roof to prevent water from entering unit. 5. Check the handling facilities to insure the safety of personnel and the unit(s). Be sure the mounting curb spans structural members (trusses) of the roof, thereby providing sufficient support for weight of the unit, curb and duct(s) plus any accessories (factory or field installed). See Figures 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11 and 12. 7. The unit must be mounted level for proper drainage of defrost water through the holes in the base pan. 1, Page 6 installation. Convert 6. CAUTION MUST BE TAKEN AT ALL TIMES TO AVOID PERSONAL INJURIES AND/OR DAMAGE TO EQUIPMENT. LOCATIONS AND RECOMMENDATIONS 8. Flexible duct connectors must be of a flame retardant material. All duct work outside d the structure must be insulated and weatherproofed in accordance with local codes. 9. Roof flashing must be installed to seal the roof curb cavity and must conform to local building codes. 10. Holes through exterior walls must be sealed in accordance with local codes. 11. Access and service clearances for the unit must be given careful consideration when locating the duct entrance openings. Figures 6 and 8 provide unit dimensions. 12. All fabricated outdoor ducts should be as short as possible. 13. Be sure the hole in the structure for the ducts is large enough to accommodate the fabricated ducts and the insulation surrounding them. (See Figure 6.) CLEARANCES 1. The recommended clearances for single-unit installations are illustrated in Figures 5 and 6. These minimum requirements are not only an important consideration when determining unit placement, but they are also essential to ensure adequate serviceability, maximum capacity, and peak operating efficiency. 2. Any reduction of the unit clearances indicated in this illustration may result in condenser coil starvation, or the recirculation of warm condenser air. Actual clearances which appear to be inadequate should be reviewed with a local sales engineer. IMPORTANT!: To convert to downflow remove covers from the downflow supply and return air openings and place them over the horizontal supply and return air openings (painted side out) and secure with sheet metal screws. INSTALLATION UNIT SUPPORT If unit is to be roof mounted, check building codes for weight distribution requirements. Refer to accessory roof curb mounting instructions. Check unit nameplate for supply voltage required. Determine if adequate electrical power is available. Refer to specification sheet. LOCATION AND CLEARANCES Installation of the unit should conform to local building codes or, in the absence of local codes, to the ANSI/NFPA No. 70-1987 National Electrical Code or "Latest Revision." Canadian installations must conform to CSA and local codes. Select a location that will permit unobstructed airflow into the condenser coil and away from the fan discharge and permit unobstructed service access into the compressor compartment. Suggested airflow clearances and service clearances are given in Figure 5. PLACING IMPORTANT!: DO NOT LIFT THE UNIT WITHOUT TEST= LIFTING FOR BALANCE AND RIGGING. DO NOT LIFT THE UNIT IN WINDY CONDITIONS OR ABOVE PERSONNEL. DO NOT LIFT THE UNIT BY ATTACHING A CLEVIS, HOOKS, PINS OR BOLTS TO THE UNIT CASING, CASING HARDWARE, ANGLES, TABS OR FLANGES. FAILURE TO OB= SERVE THESE WARNINGS MAY RESULT IN EQUIPMENT DAMAGE. 4. When the curb and air ducts have been properly installed, the unit is ready to be hoisted to the roof and set in position. IMPORTANT!: hoisting unit. "Spreader Bars" must be used when 5. IMPORTANT: The unit must be lowered into position P.V.C. rubber tape on the curb flange permits the unit to be repositioned if required without destroying the P.V.C. rubber seals affixed to mounting curb. AND RiGGiNG 1. Before preparing the unit for lifting, check the outline drawing for center of gravity for lifting safety. Because of placement of internal components, the unit weight may be unevenly distributed. Approximate unit weights are given in outline drawing on page 3. NOTE: Accessory BA YLI FTOO2M Four (,4) rifting lugs are recommended for rigging the unit for hoisting. See Figure 7 insert "B". 2. Insert the four lifting tugs in openings provided perimeter of unit. See Figure 7 insert "B". in drip lip on 6. PLACING UNIT ON MOUNTING CURB--The unit is designed with a perimeter drip lip that is lower than the unit base ban, see Figure 7 insert "A". 7. Position the unit drip tip down over and in contact with the outside corner of the curb, as illustrated in Figure 7 insert "A". Continue to lower unit on top of curb, with the unit drip tip is astraddle and in contact with both the end and side rail of curb, the unit is now resting on top of curb. 8. Take the two (2) hold down brackets shipped with curb and secure unit to curb with hold down brackets as illustrated in Figure 8 insert "A". 3. Before hoisting the unit, be sure that the proper method d rigging is used, with straps or slings and spreader bars for protection during lifting. Page 7 © SPREADER BARS OUTDOOR COIL END OF UNIT BASE OFUNIT REST ON TOP OF CURB RAILS DRIP_ NASA DIMPLE LIFTING DRIP LIP ON PERIMETER OF UNIT LUGS CURB CORNER J GASKET NOTE: SEAL" The inner perimeter of the Drip Lip on all units should be flush with the outer perimeter of the curb on the two sides shown here. See Figure 2 for the location of the unit overhang on the TCX036-060G Models with BAYCURB030A,038A. ® EXISTING SHEET METAL ) SCREW HOLD-DOWN BRACKET WITH lIA_l ! FLANGE OF CURB Page 8 CURB INSTALLATION ROOFTOP ==UNITS For roof top applications using a field fabricated frame and ducts, use the following procedure: 1. The frame must be located and secured by bolting or welding to the roof. Flashing is required. 2. The hole in the roof must be prepared in advance of installing the unit. TYPICAL RETURN ROOFTOP AIR SUPPLY AIR 9 or 5. Secure the unit to the frame or roof curb. 6. Insulate any ductwork outside of the structure with at least two (2) inches of insulation and then weatherproof. There must be a weatherproof seal where the duct enters the structure. 7. Complete the installation according following sections of this manual. 3. Secure the ducts to the roof. ® 4. Place the unit on the frame or roof curb. Refer to Figures 10. APPLICATIONS to the instructions in the WITH FRAME (TCX024=060G) "" b • WEATHER-PROOF DUCT ROOFFLASHING J ® TYPICAL ROOFTOP APPLICATION (TCX024=060G ANGLE IRON FRAME WITH FRAME MODELS) \ DUCT ROOF ,, SUPPLY ROOF FLASHING AIR FLASHING RETURN AIR IRON FRAME Page 9 iNSTALLATiON GROUND LEVEL -- HORIZONTAL UNITS For ground level installations, the unit should be positioned on a pad the size of the unit or larger. The unit must be level on the pad. The pad must not come in contact with the structure (See Figure 11 .) Be sure the outdoor portion of the supply and return air ducts are as short as possible. 2. Attach the supply and return air ducts to the unit. Proceed with the installation 4. Complete the installation according following sections of this manual. as follows: 3. Insulate any ductwork outside of the structure with at least 2 inches of insulation and weatherproof. There must be a weatherproof seal where the duct enters the structure. to the instructions in the 1. Place the unit on the pad and the five (5) rubber isolators provided. ® TYPICAL GROUND LEVEL APPLICATION (TCX024-060G MODELS) OUTDOOR AIR DISCHARGE I RETURN AIR SUPPLY AIR DUCT DUCT SIDING I ' I" _f I_'_1V" OUTDOOR INTAKE =' AIR SUPPORT PAD FOUNDATION EXTERIOR WALL INSULATE WEATHERPROOF OR RAIN SHIELD FLEXIBLE DUCT CONNECTORS ISOLATORS (1 PER CORNER AND 1 UNDER UNIT CONTROL BOX) 2046.eps DUCTWORK ATTACHING DOWNFLOW TO ROOF CURB DUCTWORK ATTACHING TO UNIT Supply and return air flanges are provided on the roof curb for easy duct installation. All ductwork must be run and attached to the curb before the unit is set into place. HORIZONTAL DUCTWORK All conditioned air ductwork should be insulated to minimize heating and cooling duct losses. Use a minimum of two (2) inches of insulation with a vapor barrier. The outside ductwork must be weatherproofed between the unit and the building. Follow these guidelines for ductwork construction: Connections to the unit should be made with three-inch canvas connectors to minimize noise and vibration transmission. Elbows with turning vanes or splitters are recommended mize air noise and resistance. to mini- The first elbow in the ductwork leaving the unit should be no closer than two feet from the unit, to minimize noise and resistance. Page 10 When attaching ductwork to a horizontal unit, provide a flexible watertight connection to prevent noise transmission from the unit to the ducts. The flexible connection must be indoors and made out of heavy canvas. I NOTE: Do not draw the canvas taut between the solid ducts. J ® DUCT ATTACHMENT METHODS AIR PROOF. THIS SEAM / AIR PROOF THIS SEAM DUCT FLANGE BASE WEATHERPROOF THIS SEAM FLANGE FIELD FIELD DUCT ql X U DUCT FIELDDucT _ 'UNIT DUCT FLANGE _IT UNIT BASE UNIT / UNIT \ BASE AIR PROOF EXTERIOR UNIT \ UNIT DUCT FLANGE FLANGE SEAr WITH BUTYL OR SILICONE .... WEATHERPROOF FLANGE THIS SEAM FIELD _ \ FIELD UNIT DUCT BASE NOT RECOMMENDED FIELD DUCT DUCT DOWNFLOW The following warning complies with State of California ILWARNING: law, Proposition This product 65. contains fiberglass wool insulation! Fiberglass dust and ceramic fibers are believed by the State of California to cause cancer through inhalation. Glasswool fibers may also cause respiratory, skin, or eye irritation. HORIZONTAL CONDENSATE A 3/4-inch female NPT condensate drain connection is provided on the evaporator access panel end of the unit. See Figure 4. Provide a trap and fitt it with water before starting the unit to avoid air from being drawn through. Follow local codes and standard piping practices when running the drain line. Pitch the line downward away from the unit. Avoid long horizontal runs. See Figure 13. NOTE: Do not use reducing fittings in the drain lines. The condensate drain must be: DRAIN PiPiNG (_ TYPICAL CONDENSATE DRAIN PiPiNG 3/4" PVC OR COPPER TUBING AND FITTINGS • Made of 3/4" pipe size. • Pitched 1/4" per foot to provide free drainage to convenient drain system. • Trapped. • Must not be connected to closed drain system. ,i] Page 1 ELECTRICAL ELECTRICAL CONNECTIONS CONTROL Electrical wiring and grounding must be installed in accordance with local codes or, in the absence of local codes, with the National Electrical Code ANSI/NFPA 70, Latest Revision. ELECTRICAL POWER It is important that proper electrical power be available for the unit. Voltage variation should remain within the limits stamped on the unit nameplate. DISCONNECT SWITCH Provide an approved weatherproof disconnect either on the side of the unit or within close proximity and within sight of the unit. OVER CURRENT PROTECTION The branch circuit feeding the unit must be protected as shown on the unit rating plate. POWER WIRING The power supply lines must be run in weathertight conduit to the disconnect and into the bottom of the unit control box. Provide strain relief for all conduit with suitable connectors. Provide flexible conduit supports whenever vibration transmission may cause a noise problem within the building structure. Be sure all connections are made tight. See Figure 14. NOTES: For branch circuit wiring (main power supply to unit disconnect), wire size for the length of run should be determined using the circuit ampacity found on the unit nameplate and the N.E.C. For more than 3 conductors in a raceway or cable, see the N.E. C. for derating the ampacity of each conductor. GROUNDING: THE UNITMUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR THE NATIONAL ELECTRIC CODE. NOTE: Ground the unit internally diagram for location. COMPRESSOR as provided. MOTOR See wiring ROTATION DISCONNECT ALL POWERTO COMPRESSORWHEN COMPRESSOR MOTOR ROTATION IS REVERSED. CHANGE ANY TWO CUSTOMER POWER LEADS TO CORRECT ROTATION Failure to change customer power leads to correct compressor rotation may result in compressor damage during operation. Page12 WIRING WIRING (CLASS ll) Low voltage control wiring should not be run in conduit with power wiring unless Class 1 wire of proper voltage rating is used. Route the thermostat cable or equivalent single leads of No. 18 AWG colored wire from the thermostat subbase terminals through the rubber gromment on the unit. See Figure 5 for the control entry location. Make connections as shown on the unit wiring diagram and in Figure 14. Do not short thermostat transformer. wires since this wilt damage the control Recommended wire sizes and lengths for installing the unit thermostat are provided in Table 2. The total resistance of these low voltage wires must not exceed one (1) ohm. Any resistance in excess of 1 ohm may cause the control to malfunction because of the excessive voltage drop TABLE 2 THERMOSTAT WiRE SIZE AND MAXIMUM LENGTH WIRE SIZE 18 MAXIMUM LENTGH (Ft) 75 16 14 125 200 THERMOSTAT HEAT ANTICIPATOR The thermostat heat anticipators should be set to equal the amperage draw of the Wl thermostat circuit. IMPORTANT: Upon completion of wiring check all electrical connections, including factorywiring within the unit. Make sure all connections are tight. Replace and secure all electrical box covers and access doors before leaving the unit or turning on the power to the unit. After all electrical wiring is complete, set the thermostat system switch in the OFF position so that the compressor will not run and then apply power by closing the system main disconnect switch. This will activate the compressor sump heat. Do not change the Thermostat System Switch until power has been applied long enough to evaporate any liquid R-22 in the compressor. It is recommended that the sump heater be energized for eight (8) hours prior to starting. ELECTRICAL ® WIRING TCX-G FIELD WiRiNG >ACKAC D COOL Ls / ({NIRO NO/EL C R I C 30X H AJ DIAGRAM LN _ IJN HE#TER --_ ' ARE'_ III'] I p[ LG I o ® POLAR ZEC I j POWER " v i o¢,_< /_ '1• R) 1SI ; I/.GI .......!: .......... 4 (}',3H _SA ;,D_ 2ND STACE 4 VO S 14: _,i C _ C HEA FIELD / ............... P......... 7 V 41A{ <, i I (A[ 11 Pli'VOS • NOI (, AI 5FI o,,u _ NO I 1,8 F 0 S NCI E s(}WE ENIRY ACCLSSORY CONNSC I lOS LN fox I UNI r coiRo E,_ e A'
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