Trane WCY024G1 User Manual

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
NATIONAL, STATE AND LOCAL CODES
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
WARNING:
Single Package Heat Pump
13-14 SEER Convertible
2 - 5 Ton
Model:
WCY024G1
WCY030G1
WCY036G1
WCY042G1
WCY048G1
WCY060G1
INSTALLATION
OPERATION
MAINTENANCE
BAYLIFT002A
LIFTING LUG KIT
Since The Trane Companyhas a policy of continuous product and product data
improvement, it reserves the right to change design and specification without notice.
All phases of this installation must comply with the NATIONAL,
STATE & LOCAL CODES. In the absence of local codes, the
installation must conform with National Electric Code -- ANSI/
NFPA 70 or "LATEST REVISION."
WCY-IOM-1D
18-BB33D8-5
Indicates a potentially haz-
result in death or serious injury.
WARNING:
CAUTION:
result in minor or moderate injury. It may also
be used to alert against unsafe practices
and where property-damage-only accidents
could occur.
▲
▲
Warnings and Cautions appear at appro-
priate locations throughout this manual.
Read these carefully.
NOTICE
ardous situation which, if not avoided, could
Indicates a potentially haz-
ardous situation which, if not avoided, may
© 2002 American Standard Inc. All rights reserved
07/02

Trane WCY024G1 Specifications

General

Model	WCY024G1
Type	Heat Pump
Cooling Capacity	24000 BTU/h
Heating Capacity	24000 BTU/h
Voltage	208/230V
Phase	1
Compressor Type	Scroll
Refrigerant	R-410A
SEER	Up to 14
HSPF	Up to 8.2

Summary

Installation Operation Maintenance

Important Safety Notices

Key safety warnings and instructions for installation and operation.

General Information and Safety

Qualified Personnel and Safety Precautions

Service and Combustible Clearances

Recommended Service Clearances

Clearance to Combustible Material

Installation Clearance and Location

Required Clearances and Roof Penetration

Details on unit installation clearances and roof hole sizing requirements.

Unit Installation Procedures

Unit Support and Rigging

Instructions on supporting, lifting, and safely rigging the unit.

Unit Placement on Curb

Ground Level and Ductwork

Ductwork Attachment

Filter and Electrical Systems

Electrical Wiring and Connections

Guidelines for safe and compliant electrical wiring, grounding, and power supply.

Control Wiring and Thermostat

Wiring Diagrams

WCY-G Field Wiring Diagram

Detailed wiring diagram for the WCY-G packaged heat pump unit.

Unit Start-Up and Operation

Pre-Start Quick Checklist

A comprehensive checklist before initiating unit operation.

Cooling Mode Start-Up

Steps for safely starting the unit for cooling operation and checking pressures.

Heating Mode Start-Up

Procedures for initiating unit operation in heating mode and checking voltage.

Sequence of Operation

Cooling and Heating Cycles

Demand Defrost Cycle

Demand Defrost System

Defrost Control Function

How the demand defrost control measures and determines defrost needs.

Faults, Pins, and Sensor Testing

Demand Defrost Control Checkout

Troubleshooting Defrost Control Issues

A guide to diagnosing and resolving demand defrost control issues based on symptoms.

Maintenance Procedures

Routine Owner Maintenance

Health and Safety Precautions