Instruction/ maintenance manual of the product WCY042G1 Trane
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IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service information pack upon completion of work. ALL phases of this installation must comply with NA.
Page 2 TYPICAL ROOFTOP INSTALLATION WITH FULL PERIMETER CURBS (WCY024-060G Models) GENERAL INFORMA TION IMPORTANT: Read this entire manual before beginning instal- lation procedures. SAFETY NOTICE. THIS INFORMATION IS INTENDED FOR USE BY INDIVIDUALS POSSESSING ADEQUATE BACK- GROUNDS OF ELECTRICAL AND MECHANICAL EXPERI- ENCE.
Page 3 ROOF INSULA TION ROOF DECK FIELD SUPPLIED RIGID INSULA TION SUPPL Y AIR DUCT RETURN AIR DUCT ROOF MOUNTING CURB FIELD SUPPLIED CANT STRIP FIELD SUPPLIE D SUPPORTS A T EACH END OF CURB ROOFING SEE NOTE 1 SEE NOTE 2 CONVERTING HORIZONTAL TO DOWNFLOW TYPICAL ROOFTOP INSTALLATION WITH BAYCURB030A (WCY024-060G Models) NOTE SUPPLY OPENING 1.
Page 4 DIMENSIONAL D A T A 4 MOD EL CORNER WEIGHT(LBS) UNIT WEI G HT AB C D E F G H J KL M N P W1 W2 W3 W4 WCY 024G 79 74 74 104 331 56-1/2 36 29-3/16 18-9/16 11-1/1 6 6-9/16 6-13/16 17 21 25-3/8 17 -.
Page 5 DIMENSIONAL D A T A 5 From Dwg. 21D664 MODEL A B C D WCY024G WCY030G 56-1 /2 36 2 9-3/16 12-15 /1 6 WCO36G WCY042G 64 36 29-3/1 6 14- 1/2 WCY048G WCY060G 65-1/8 45 33-3/8 14 -13/1 6 RECOMM ENDED SER VI CE CLEARANC E BA CK * 6.0" LEFT SIDE 30.
Page 6 REQUIRED CLEARANCE FOR UNIT INSTALLATION AND ROOF PENETRATION HOLE SIZE REQUIRED LOCA TIONS AND RECOMMEND A TIONS These units are designed for outdoor installation. For proper instal- lation, the following recommendations must be considered. NOTE: Unit shipped for horizontal installation.
Page 7 INST ALLA TION 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 HARD- WARE, ANGLES, TABS OR FLANGES.
Page 8 8 7 NOTE: 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 WCY036-060G Models with BAYCURB030A.
Page 9 TYPICAL ROOFTOP APPLICATION WITH FRAME (WCY024-060G MODELS) INST ALLA TION 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.
Page 10 TYPICAL GROUND LEVEL APPLICATION (WCY024-060G MODELS) INST ALLA TION 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.
Page 11 DUCT ATTACHMENT METHODS 3 / 4 " PVC OR COPPER TUBING AND FITTINGS 1-1/2" MIN. TYPICAL CONDENSATE DRAIN PIPING A 3/4-inch female NPT condensate drain connection is pro- vided on the evaporator access panel end of the unit. See Figure 4.
Page 12 ELECTRICAL CONNECTIONS 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.
Page 13 WCY-G FIELD WIRING DIAGRAM 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.
Page 14 ST AR T - UP To start the unit in the cooling mode, set the thermostat system switch to COOL and move the thermostat COOL indicator to a setting below room temperature. The condenser (outdoor) fan motor compressor and evaporator (indoor) fan motor will operate automatically.
Page 15 SEQUENCE OF OPERA TION GENERAL Operation of the unit heating and cooling cycles is automatic for HEAT and COOL functions. (The optional automatic changeover thermostat, when in the AUTO position, automatically changes to heat or cool with sufficient room temperature change.
Page 16 FLASH RA TE INDICA TIONS: 1 — Flash/Second = Normal operation. 2 — Flashes/Second = F ault A (Low ∆ T) i.e.: Inoperativ e compressor , loss of charge, open ambient sensor , shor ted coil sensor . 3 — Flashes/Second = F ault B (20 defrosts ter minated on time) F ault C (High ∆ T) i.
Page 17 DEMAND DEFR OST CONTROL CHECK OUT SYMPTOMS CHECKS YES/NO A CTIONS 1. LED off . 1. 24V R-B & Y -B at board, with unit running? N Repair low v oltage wiring. Y Complete Check #2. 2.Shor t FRC_DFT pin to TEST_COMMON pin. Is defrost cycle initiated? N Replace defrost control.
Page 18 ROUTINE MAINTENANCE BY OWNER You can do some of the periodic maintenance functions for your WCY-G unit yourself; this includes replacing the dispos- able or cleaning the permanent air filters, cleaning the unit cabinet, clearing the condenser coil, and conducting a general unit inspection on a regular basis.
Page 19 LIMITED WARRANTY HIGH EFFICIENCY HEAT PUMP WCZ, WCY AND WCX Models Less Than 20 Tons for Residential Use* (Parts Only) This limited w ar ranty is extended by American Standard Inc.
Page 20 Technical Literature - Printed in U.S.A. LIMITED WARRANTY HIGH EFFICIENCY HEAT PUMP WCZ, WCY, WCX, WCC, WCD, WCH, WCM AND WSC Models Less Than 20 Tons for Commercial Use* (Parts Only) This warr anty is extended by American Standard Inc.
An important point after buying a device Trane WCY042G1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Trane WCY042G1 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Trane WCY042G1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Trane WCY042G1 you will learn all the available features of the product, as well as information on its operation. The information that you get Trane WCY042G1 will certainly help you make a decision on the purchase.
If you already are a holder of Trane WCY042G1, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Trane WCY042G1.
However, one of the most important roles played by the user manual is to help in solving problems with Trane WCY042G1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Trane WCY042G1 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
