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Trane Axiom GEHB 048 User Manual

Trane Axiom GEHB 048
96 pages
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15 - 25 Ton
1/2 - 5 Ton
6 - 15 Ton
6 - 10 Ton
Installation,
Operation and
Maintenance
March 2007 WSHP-SVX01E-EN
GEHB GEVB: Design Sequence
006 - 060 – 50/60 HZ 006 - 060 – 50/60 Hz "R" and later
072 - 180 – 50/60 Hz 072 - 300 – 50/60 Hz "D" and later
Axiom™
Horizontal/Vertical
Water-Source Comfort System
Models GEH and GEV

Table of Contents

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Trane Axiom GEHB 048 Specifications

General IconGeneral
ModelGEHB 048
CategoryWater System
Cooling Capacity48, 000 BTU/h
Heating Capacity48, 000 BTU/h
RefrigerantR-410A
Voltage208-230V
Phase1
Compressor TypeScroll
Power SupplyElectrical

Summary

General Information

Unit Hazards and Warnings

Covers fiberglass wool and microbial growth warnings for health and safety.

General Information Continued

Optional Features

Covers Waterside Economizer and Electric Heat options.

Installation

General Installation Checks

Checklist for successful unit installation.

Installation Continued

Installation Continued 2

Installation Continued 3

Installation Continued 4

Water Loop Cleaning and Flushing

Step-by-step guide for cleaning and flushing the water loop.

Installation Continued 5

Water Regulating Valve and Power Wiring

Covers valve connection, single compressor installation, and power wiring.

Installation Continued 6

Installation Continued 7

Installation Continued 8

Installation Continued 9

Installation Continued 10

Installation Continued 11

Installation Continued 12

Waterside Economizer Installation for Larger Units

Details economizer installation for GEV and GEH 6 to 25 Ton Models.

Installation Continued 13

Waterside Economizer Installation

Continues economizer installation steps, including piping insulation and drain lines.

Economizer Start-Up

Start-up Sequence

Step-by-step guide for starting the unit and economizer.

Electrical Requirements

Electrical Requirements Continued

Pre-Start

Pre-Start Checklist

Checklist of system devices to verify before energizing the unit.

Sequence of Operation

Initial Unit Start-up

Step-by-step guide for initial unit start-up procedures.

Start-Up Checklist and Log

Contractor checklist for unit start-up and data logging.

Operation Pressures

Operating Pressures Tables

Charts showing approximate refrigerant pressures and temperatures.

Operation Pressures Continued

Maintenance

Preventive Maintenance and Water Quality

Suggestions for maintenance and water quality checks.

Wiring

Wiring Continued

Wiring Continued 2

Wiring Continued 3

Troubleshooting

Troubleshooting Continued

Problem, Cause, and Correction Guide

Lists common problems, their causes, and corrections.

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