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INSTALLATION
OPERATION
MAINTENANCE
Models:
WCH024C1
WCH030C1
WCH036C1
IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service information pack upon completion of work.
WARNING:
ALL phases of this installation must comply with NATIONAL,
STATE, and LOCAL CODES.
These instructions do not purport to cover all variations in
systems nor to provide for every possible contingency to be
met in connection with installation. Should further information be
desired or necessary or should particular problems arise which are
not covered sufficiently for the purchaser's or installer's needs or
purposes, the matter should be referred to the manufacturer.
▲
!
THIS INFORMATION IS FOR USE BY INDIVIDUALS HAVING
ADEQUATE BACKGROUNDS OF ELECTRICAL AND MECHANI-
CAL 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 INTERPRE-
TATION OF THIS INFORMATION, NOR CAN IT ASSUME ANY
LIABILITY IN CONNECTION WITH ITS USE.
▲
!
Reconnect all grounding devices.
All parts of this product that are capable of conducting electri-
cal 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.
The manufacturer has a policy of continuous product and product data improvement; it
reserves the right to change design and specification without notice.
WCH042C1
WCH048F1
WCH060F1
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
WARNING
CAUTION
Single Packaged
Heat Pump
Over/Under
2, 2-1/2, 3, 3-1/2, 4, 5 Tons
2, 2-1/2, 3, 3-1/2 Tons Shown
▲
!
CONTAINS REFRIGERANT!
SYSTEM CONTAINS OIL AND REFRIGERANT UNDER
HIGH PRESURE. RECOVER REFRIGERANT TO RELIEVE
PRESSURE BEFORE OPENING SYSTEM
proper procedures can result in personal illness or injury or
severe equipment damage.
18-BB33D6-9
0
X E1 20
CAUTION
. Failure to follow
© 2009 Trane
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Related Manuals for Trane WCH024C1
Summary of Contents for Trane WCH024C1
- Page 1 The manufacturer has a policy of continuous product and product data improvement; it reserves the right to change design and specification without notice. © 2009 Trane...
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Page 2: General Information
General Information These instructions cover installation, operation, and mainte- Power Supply nance of all single package WCH air conditioning units. For an The power supply must be adequate for the unit and any easy and orderly installation, follow the sequence of instructions supplementary electric heaters, if added. -
Page 3: Unit Dimensions And Clearances
Unit Dimensions and Clearances WCH024-042C Outline INSTALLATION / SERVICE CLEARANCE BACK 48.0" LEFT SIDE 24.0" RIGHT SIDE 36.0" 36.0" APPROX. CORNER WTS / LBS. TOTAL COIL DIMENSION (in) MODEL WEIGHT LBS. WCH024C WCH030C WCH036C Dwg. No. D673590 Rev 0. WCH042C Page 3... - Page 4 Unit Dimensions and Clearances WCH048-060F Outline INSTALLATION / SERVICE CLEARANCE BACK 48.0" LEFT SIDE 24.0" RIGHT SIDE 36.0" 36.0" TOTAL APPROX. CORNER WTS - LBS. MODEL WEIGHT LBS. WCH048F WCH060F Page 4...
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Page 5: Installation Applications
Installation Applications Roof Top DISCHARGE AIR •For roof top installations, the roof must have sufficient struc- tural strength to support the load. FHA approved construction and local codes are normally adequate provided the roof joists and rafters have a proportionally distributed load. See Figure 2. •The unit should be positioned for recommended clearances as previously outlined under "Location and Recommendations"... -
Page 6: Electrical Wiring
Electrical Wiring Electrical Wiring •Do not short thermostat wires since this will damage the ▲ WARNING: control transformer. TO PREVENT INJURY OR DEATH DUE TO ELECTRICAL SHOCK OR CONTACT WITH MOVING •Recommended wire sizes and lengths for installing the unit PARTS. - Page 7 Start-Up Start-Up Pre-Start Quick Check List Operating Pressures After the unit has operated in the cooling mode for a short time, •Is the unit properly and securely located and level with the install pressure gauges on the gauge ports of the discharge and proper clearance? suction line valves.
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Page 8: Sequence Of Operation
Sequence of Operation GENERAL will come on. When the outdoor air temperature rises, and the Operation of the unit heating and cooling cycles is automatic for outdoor T-stat setpoint is reached, the system will revert back to HEAT and COOL functions. (The optional automatic changeover first stage electric heating. -
Page 9: Typical Field Wiring Diagram
Typical Field Wiring Diagram WCH024, 030, 036, 042C Units (With Supplementary Heaters) B757386 Dwg. No. D757386 Maintenance them or if they show signs of deterioration. Use the same type Routine Maintenance by Owner and size as was originally installed. You can do some of the periodic maintenance functions for your Outdoor Coil WCH-B unit yourself. - Page 10 Demand Defrost System DEFROST CONTROL PIN IDENTIFICATION The demand defrost control measures heat pump outdoor ambient FRC_DFT temperature with a sensor located outside the outdoor coil. A second sensor located on the outdoor coil is used to measure the coil temperature. The difference between the ambient and the colder coil temperature is the difference or delta-T measurement.
- Page 11 Demand Defrost Control Checkout SYMPTOMS CHECKS YES/NO ACTIONS 1. LED off. Repair low voltage wiring. 1. 24V R-B & Y-B at board, with unit running? Complete Check #2. Replace defrost control. 2.Short FRC_DFT pin to TEST_COMMON pin. Is defrost cycle initiated? LED is bad but control will still function.
- Page 12 Base Limited Warranty Packaged Air Conditioner and Packaged Heat Pump TCK, TCH, WCK, WCH (Parts Only) Models Less Than 20 Tons for Residential Use* This limited warranty is provided by the manufacturer to the original purchaser and to any succeeding owner of the real property to which the Packaged Air Conditioner or Packaged Heat Pump (packaged unit) is originally affixed, and applies to products purchased and retained for use within the U.S.A.
- Page 13 Residential Systems 6200 Troup Highway, Tyler, TX 75707 Attention: Consumer Relations Or visit our website: www.trane.com/residential TW-1005-3308 * This warranty is for commercial usage of said equipment and not applicable when the equipment is used for a residential application. Com- mercial use is any application where the end purchaser uses the product for other than personal, family or household purposes.
- Page 14 Be sure the main switch that supplies power to the unit is in the ON position. Replace any burned-out fuses or reset circuit breakers. Be sure the thermostat is properly set. Service Phone_________________________________________________________________ Trane 6200 Troup Highway Tyler,TX 75703 The manufacturer has a policy of continuous product improvement, and it reserves the right to change the specifications and design without notice.
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