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Single Packaged
Heat Pump
Over/Under
2, 2-1/2, 3, 3-1/2, 4, 5  Tons

18-BB33D6-9

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.

©  2009 Trane

The manufacturer has a policy of continuous product and product data improvement; it
reserves the right to change design and specification without notice.

INSTALLATION
OPERATION
MAINTENANCE

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.

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.

 

HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING

WARNING:

CAUTION

!

WARNING

!

CAUTION

!

CONTAINS REFRIGERANT!
SYSTEM CONTAINS OIL AND REFRIGERANT UNDER
HIGH PRESURE. RECOVER REFRIGERANT TO RELIEVE
PRESSURE BEFORE OPENING SYSTEM

. Failure to follow

proper procedures can result in personal illness or injury or
severe equipment damage.

XE1200

WCH042C1
WCH048F1
WCH060F1

2, 2-1/2, 3, 3-1/2 Tons Shown

Содержание WCH024C1

Страница 1: ... 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 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 eve...

Страница 2: ...ade to deflect the warm discharge air from under the overhang See Figures 1 2 and 5 The unit must also be situated to permit easy and unrestricted access for service Install internal accessories to the unit at the shop if practical Position the unit so roof run off water does not pour directly onto the unit CAUTION MUST ALWAYS BE TAKEN TO AVOID PER SONAL INJURIES AND OR DAMAGE TO THE EQUIPMENT In ...

Страница 3: ...1 INSTALLATION SERVICE CLEARANCE BACK 48 0 LEFT SIDE 24 0 RIGHT SIDE 36 0 TOP 36 0 MODEL APPROX CORNER WTS LBS TOTAL WEIGHT LBS COIL DIMENSION in W1 W2 W3 W4 A B WCH024C 79 73 63 68 282 14 16 WCH030C 80 71 62 70 284 14 16 WCH036C 83 75 66 73 297 14 16 WCH042C 84 79 72 77 312 20 16 ...

Страница 4: ...d Clearances WCH048 060F Outline 1 INSTALLATION SERVICE CLEARANCE BACK 48 0 LEFT SIDE 24 0 RIGHT SIDE 36 0 TOP 36 0 MODEL APPROX CORNER WTS LBS TOTAL WEIGHT LBS W1 W2 W3 W4 WCH048F 128 128 97 97 447 WCH060F 115 115 114 114 457 ...

Страница 5: ...d The pad must not contact the structure Be sure the outdoor portion of the supply and return air ducts are as short as possible The installation should proceed as follows The unit must be isolated with mounting pads The mounting pads must provide a minimum of 1 4 clearance beneath the unit to permit air circulation and prevent corrosion of the base See Figure 3 Attach the supply and return air du...

Страница 6: ...RNING TO PREVENT INJURY OR DEATH DUE TO ELECTRICAL SHOCK OR CONTACT WITH MOVING PARTS LOCK UNIT DISCONNECT SWITCH IN OPEN POSITION BEFORE SERVICING UNIT Do not short thermostat wires since this will damage the control transformer Recommended wire sizes and lengths for installing the unit thermostat are provided in Table 1 Thermostat Wire Size and Maximum Length The total resistance of these low vo...

Страница 7: ...perature The outdoor fan motor compressor and evaporatorfan motor will oper ate automatically Start Up Operating Pressures After the unit has operated in the cooling mode for a short time install pressure gauges on the gauge ports of the discharge and suction line valves Check the suction and discharge pressures and compare them to the normal operating pressures provided in the unit s SERVICE FACT...

Страница 8: ... fan relay F which starts the indoor fan motor SUPPLEMENTARY HEAT The supplementary electric heat is brought on when the indoor temperature drops 1 1 2 degrees below the thermostat setting TSH 2 contacts close providing power to the W termi nal on the indoor thermostat and to the supplementary heater control circuit NOTE The fan relay F must have been ener gized An outdoor thermostat may have been...

Страница 9: ...y dry before re installing them in the unit Replace permanent filters annually if washing fails to clean them or if they show signs of deterioration Use the same type and size as was originally installed Outdoor Coil Unfiltered air circulated through the unit s outdoor coil can cause the coil s surface to become clogged with dust dirt etc To clean the coil stroke the coil surface with a soft brist...

Страница 10: ...door ambient 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 This delta T measurement is representative of the operating state and relative capacity of the heat pump system By measuring the change ...

Страница 11: ...nsor 2 Does OD fan cycle off in defrost N Replace defrost control 3 Windy weather preventing normal termination 7 Defrost initiates on approximately 15 25 minute intervals Be sure OD coil is clean N Complete Check 2 1 Coil sensor open or reading a very high resistance Y Replace coil sensor 2 Ambient sensor reading less than normal N Complete Check 3 Y Replace ambient sensor 3 OD fan off in defrost...

Страница 12: ...ally this limited warranty will not apply unless the packaged unit is 1 installed by a licensed or qualified HVAC technician 2 applied and installed in accordance with the manufacturer s recommendations and its Installer s guide and 3 in compliance with all industry standards national state and local codes This limited warranty does not cover failure of your packaged unit if it is damaged while in...

Страница 13: ...antor shall not be obligated to pay for the cost of lost refrigerant No liability shall attach to Warrantor until products have been paid for and then liability shall be limited solely to the purchase price of the equipment under warranty shown to be defective This limited warranty does not apply if the packaged unit was purchased direct i e from internet websites or auctions on an uninstalled ba ...

Страница 14: ...record the following information to ensure your product registration process is quick and easy Packaged Unit Serial Number_____________________________________________________ Packaged Unit Model Number_____________________________________________________ Date of Installation______________________________________________________________ Dealer_______________________________________________________...

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