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INSTALLATION
OPERATION
MAINTENANCE
Models:
WCK024B1
WCK030B1
WCK036B1
WCK042B1
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 and
it reserves the right to change design and specification without notice.
© 2009 Trane
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
WARNING
CAUTION
Single Packaged
Heat Pump
2, 2-1/2, 3, 3-1/2 Tons
( OPTIONAL
HEATER 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.
WCK-IOM-7
18-BB33D10-7
CAUTION
. Failure to follow
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Table of Contents
Related Manuals for Trane WCK024B1
Summary of Contents for Trane WCK024B1
- Page 1 The manufacturer has a policy of continuous product and product data improvement and it reserves the right to change design and specification without notice. © 2009 Trane...
-
Page 2: General Information
General Information These instructions cover installation, operation, and mainte- Power Supply nance of all single package WCK 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
441 (17-3/8) 413 (16-1/8) WCK030B1 33.60 (74) 37.20 (82) 33.60 (74) 30.40 (67) 135.20 (298) 302 (11-7/8) 413 (16-1/8) WCK024B1 38.60 (85) 34.92 (77) 29.02 (64) 32.20 (71) 135.20 (298) 413 (16-1/8) TCK042B1 34.90 (77) 37.20 (82) 34.90 (77) 32.70 (72) 139.70 (308) -
Page 4: Installation
Installation ATTACHING HORIZONTAL DUCTWORK Ground Level -- Horizontal TO UNIT 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 All conditioned air ductwork should be insulated to minimize pad. -
Page 5: Sequence Of Operation
Sequence of Operation GENERAL Accessories Operation of the unit heating and cooling cycles is automatic for • All electrical accessories must be installed and wired according HEAT and COOL functions. (The optional automatic changeover to the instructions packaged with the accessory. thermostat, when in the AUTO position, automatically changes to heat or cool with sufficient room temperature change.) The fan Control Wiring (Class II) -
Page 6: Demand Defrost Operation
Sequence of Operation and the unit will revert back to the compressor only heating mode The following warning complies with State of California law, Proposition 65. and then off. For emergency heat (use of supplementary electric ▲ WARNING: heat only), an emergency (EMERG) heat switch is provided This product contains within the thermostat. -
Page 7: Typical Field Wiring Diagram
Typical Field Wiring Diagram WCK024, 030, 036, 042B Units (With Supplementary Heaters) Maintenance Routine Maintenance by Owner Outdoor Coil You can do some of the periodic maintenance functions for your •Unfiltered air circulated through the unit's outdoor coil can WCK unit yourself. These functions include replacing the cause the coil's surface to become clogged with dust, dirt, etc. -
Page 8: Defrost Control
Demand Defrost System DEFROST CONTROL PIN IDENTIFICATION The demand defrost control measures heat pump outdoor ambi- FRC_DFT ent temperature with a sensor located outside the outdoor coil. A second sensor located on the outdoor coil is used to measure the coil temperature. - Page 9 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 10 Start-Up Start-Up Pre-Start Quick Check List Cooling Shut Down •Is the unit properly and securely located and level with the proper •Place the system selector switch in the OFF position or reset the clearance? thermostat at a setting above the room temperature. •Is the ductwork correctly sized, run, taped, insulated and weath- erproofed with the proper unit arrangement? •Do not de-energize the main power disconnect except when the...
- Page 11 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 12 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.