Trane Technologies GAM5B0C48M41EA User Manual

Installer’s Guide
April 2020
18-GJ04D1-15A-EN
SAFETY WARNING
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 pre-
cautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
Standard Coil Black Epoxy Coil
GAM5B0A18M11SB GAM5B0A18M11EA
GAM5B0A24M21SB GAM5B0A24M21EA
GAM5B0B30M21SB GAM5B0B30M21EA
GAM5B0B36M31SB GAM5B0B36M31EA
GAM5B0C42M31SB GAM5B0C42M31EA
GAM5B0C48M41SB GAM5B0C48M41EA
GAM5B0C60M51SB GAM5B0C60M51EA
Note: “Graphics in this document are for representation only.
Actual model may differ in appearance.”
Convertible Air Handlers
1-1/2 – 5 Ton

Trane Technologies GAM5B0C48M41EA Specifications

General

Model Number	GAM5B0C48M41EA
Category	Air Handlers
Nominal Cooling Capacity	4 Tons
Nominal Airflow	1600 CFM
Cabinet Construction	Galvanized Steel
Maximum External Static Pressure	0.8 in. wc
Motor Type	ECM

Summary

Safety Information

General Safety Warnings

Covers electrical, vapor, corrosion, and sharp edge hazards.

Vertical Installation Setup

Downflow Installation

Horizontal Installation Setup

Duct Work Connection

Refrigerant Line Information

Refrigerant Line Connection Sizes

Table specifying vapor and liquid line connection sizes for models.

Refrigerant Line Brazing

Refrigerant Line Brazing Procedure

Steps for connecting and brazing refrigerant lines, including heat protection.

Brazing Safety and Leak Check

Evacuation and Line Set Panel Replacement

Condensate Drain Piping

Condensate Drain Piping Considerations

Guidelines for drain plumbing, slope, distance, and fittings.

Connecting Condensate Drain Piping

Steps for preparing and connecting condensate drains for different configurations.

Drain Line Maintenance and Support

Low Voltage Electrical Connections

Low Voltage Wire Length Limits

Table showing maximum wire lengths based on gauge for 24V systems.

Low Voltage Hook-up Instructions

Steps for routing and connecting low voltage wiring to the unit.

Air Handler Hook-up Diagrams

High Voltage Electrical Connections

High Voltage Power Supply

Requirements for matching power supply to equipment and wiring compliance.

Making Electrical Connections

Steps for routing conduit and making high voltage wiring connections.

High Voltage Wiring Input

Securing the Coil Panel

Filters and System Charge

System Charge Adjustments

System Start Up Procedures

System Start Up Steps

Sequence of Operation

GAM5 Sequence of Operation

Checkout and Operational Procedures

2-Stage Outdoor Adjustments

AC Model Adjustments

Heat Pump Model Adjustments