Trane Technologies 4A6H7048 - 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.
August 2022
1188--GGJJ8899DD11--11EE--EENN
Variable Speed Air Handlers
Convertible 2 — 5 Ton
TAMXB0A24V21DA
TAMXB0B30V31DA
TAMXB0C36V31DA
TAMXB0C42V41DA
TAMXB0C48V41DA
TAMXB0C60V51DA
TM
The Diagnostics Mobile App is available by scanning a
QR code located inside this unit or by searching for the
Link Diagnostics App in your App Store.
NNoottee:: “Graphics in this document are for representation only. Actual model
may differ in appearance.”
NNoottee:: For use with BAYEA series heaters ONLY.
NNoottee:: This unit can be used in Link Communicating mode or 24 volt mode.
NNoottee:: Need to use Diagnostics App to configure blower delays and
accessories etc., in 24 volt mode.
Installer’s Guide

Summary

Safety Section Air Handlers

Unit Design

Unit Install Preparation

Placing Unit at Location

Approved Carrying Methods

Setting the Unit - Vertical Installation

Setting the Unit - Horizontal Installations

Connecting the Duct work

Refrigerant Line

Refrigerant System Layout

Diagram and explanation of refrigerant system components.

Refrigerant Line Brazing

Condensate Drain Piping

Condensate Drain Piping Considerations

Connecting Condensate Drain Piping

Procedure for attaching drain lines to the unit.

Electrical - Low Voltage

Control Panel Reinstallation

Electrical - High Voltage

System Start Up

System Charge Adjustments

Sequence of Operation

Cooling Mode Operation

Unit operational sequence during cooling cycles.

Heat Pump Operation

Unit operational sequence in heat pump mode.

Electric Heat Operation

Hydronic Heat Operation

Defrost Cycle Management

Freeze Protection Mechanism

Checkout Procedures

Trane Technologies 4A6H7048 Specifications

General

Product Type	Air Handler
Shipping Weight	180 lbs
Nominal Cooling Capacity (BTU)	48000 BTU
Nominal Cooling Capacity	4 Tons
Electrical Characteristics	208/230V, 1 Phase
Motor Type	PSC