Trane 4WCC4048E1000A User Manual

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Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
February 2022
1188--BBBB4411DD11--11AA--EENN
Single Packaged Heat Pump
13.4 SEER2 Convertible, 2 — 5 Ton
4WCC4024E1000A
4WCC4030E1000A
4WCC4036E1000A
4WCC4042E1000A
4WCC4048E1000A
4WCC4060E1000A
NNoottee:: “Graphics in this document are for representation
only. Actual model may differ in appearance.”
NNoottee:: “Unit specific Service Facts available online.”
Installation and Operations Manual

Trane 4WCC4048E1000A Specifications

General

Brand	Trane
Model	4WCC4048E1000A
Category	Heat Pump
Language	English

Summary

SAFETY SECTION

Charging Procedures

Cooling Above 55°F OD Ambient

Steps for charging the system in cooling mode when outdoor temp is above 55°F.

Charging Below 55°F

Guidance for charging the system in cooling mode when outdoor temp is below 55°F.

Unit Clearances

Unit Installation: Ground Level

Unit Installation: Airflow Conversion and Curb

Convert Horizontal to Down Airflow

Steps to change the unit's airflow direction from horizontal to downflow.

Roof Mounting Curb Installation

Guidance on installing a roof curb for unit mounting.

Unit Installation: Lifting and Curb Placement

Lifting and Rigging Procedures

Procedures and safety precautions for lifting and rigging the unit.

Placing Unit on Curb

Instructions for positioning the unit onto a roof curb.

Electrical Wiring: Power and Grounding

Power Wiring Guidelines

Electrical Wiring: Control Systems

Control Wiring

Instructions for low voltage control wiring and thermostat connections.

Unit Startup

Pre-Start Checklist

A checklist to ensure all installation steps are completed before unit startup.

Starting in Cooling Mode

Procedures for initiating the unit's cooling operation.

Starting in Heating Mode

Procedures for initiating the unit's heating operation.

Sequence of Operation

Refrigerant Circuit

Cooling Refrigerant Flow

Diagram illustrating the refrigerant flow path during cooling operation.

Heating Refrigerant Flow

Diagram illustrating the refrigerant flow path during heating operation.

Troubleshooting Chart