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Trane Technologies GAM5B0C42M31EA User Manual

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Installers 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
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Trane Technologies GAM5B0C42M31EA Specifications

General IconGeneral
BrandTrane Technologies
ModelGAM5B0C42M31EA
CategoryAir Handlers
LanguageEnglish

Summary

Section 1. Safety Information

General Safety Warnings

Covers electrical, vapor, corrosion, and sharp edge hazards, emphasizing necessary precautions for safe operation.

Section 7. Setting the Unit – Vertical Installation

Vertical Installation Considerations

Details minimum height, clearance, foundation, and isolation requirements for vertical unit placement.

Upflow Installation (TASB)

Provides instructions for TASB installation in upflow configurations, including assembly guidance.

Plenum Installation

Guides on assembling the plenum, including flanging return plenums and proper screw length.

Downflow Installation Procedures

Outlines steps for preparing the site and setting the unit for downflow installation according to codes.

Section 8. Setting the Unit – Horizontal Installation

Horizontal Installation Guidelines

Covers considerations for horizontal units, including support, drain pans, isolation, and specific model notes.

Section 9. Connecting the Duct work

Duct Connection Best Practices

Details considerations for connecting ducts, including sealing, insulation, return types, and static pressure limits.

Section 10. Refrigerant Line

Refrigerant Line Connection Sizes

Provides a table listing vapor and liquid line connection sizes for different air handler models.

Refrigerant System Layout Diagram

Illustrates the layout of vapor line, liquid line, TXV, and external equalizer line within the unit.

Section 11. Refrigerant Line Brazing

Refrigerant Line Brazing Procedure

Details steps for brazing refrigerant lines, including panel removal, plug removal, and connection without brazing.

Section 12. Condensate Drain Piping

Condensate Drain Piping Considerations

Outlines requirements for drain piping, including compliance with codes, slope, routing, and clearance.

Section 13. Electrical – Low Voltage

Section 14. Electrical – High Voltage

Section 17. Start Up

Section 18. Sequence of Operation

Section 19. Checkout Procedures

Section 20. 2-Stage Outdoor Adjustment

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