Trane Technologies GAM5B0A24M21SB 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 GAM5B0A24M21SB Specifications

General

Brand	Trane Technologies
Model	GAM5B0A24M21SB
Category	Air Handlers
Language	English

Summary

Section 1. Safety Information

General Safety Warnings

Covers safety hazards, live electrical components, and handling precautions.

Specific Hazard Alerts

Addresses hazardous vapors, corrosion, sharp edges, and chemical exposure warnings.

Section 9. Connecting the Duct work

Duct Connection Best Practices

Section 10. Refrigerant Line

Refrigerant Line Sizing and Connections

Table detailing vapor and liquid line connection sizes for various models.

Section 11. Refrigerant Line Brazing

Refrigerant Line Brazing Procedure

Step-by-step instructions for brazing refrigerant lines to the indoor coil.

Section 12. Condensate Drain Piping

Condensate Drain Connection Steps

Section 13. Electrical – Low Voltage

Low Voltage Wiring Installation Guide

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

Section 14. Electrical – High Voltage

High Voltage Power Supply Requirements

High Voltage Wiring Connections

Steps for routing conduit and connecting high voltage wiring to the unit.

Section 17. Start Up

System Charge Adjustment Guidelines

Specifies sub-cooling targets for different indoor/outdoor unit combinations.

System Startup Sequence

Step-by-step instructions for powering up and starting the installed system.

Section 18. Sequence of Operation

Sequence of Operation Modes

Details how the unit operates in various cooling and heating modes.

Section 19. Checkout Procedures

Final Installation Checkout List

A checklist for verifying proper installation and operation before final sign-off.

Section 20. 2-Stage Outdoor Adjustment

2-Stage AC Outdoor Unit Settings

2-Stage HP Outdoor Unit Settings