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Trane CSHD User Manual

Trane CSHD
28 pages
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CSHD and CSHN/CSHL
Compressors
Installation and Service
Installation Instructions
January 2021
COM-SVN01D-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 precautions in the literature and on the tags, stickers, and labels that are
attached to the equipment.
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Trane CSHD Specifications

General IconGeneral
BrandTrane
ModelCSHD
CategoryAir Compressor
LanguageEnglish

Summary

Introduction

Warnings, Cautions, and Notices

Defines different types of safety advisories (Warning, Caution, Notice) used in the manual.

Personal Protective Equipment (PPE)

Details mandatory PPE for technicians to prevent injury from hazards.

Proper Field Wiring and Grounding

Emphasizes qualified personnel for safe electrical wiring and grounding.

Overview

Literature Referenced

Lists other IOM manuals relevant to Trane CSHD and CSHN compressors.

Model Number Descriptions

Decoding Compressor Model Numbers

Explains the meaning of each digit in the compressor model numbers.

General Information

Torque Values

Provides recommended torque values for compressor fittings and terminals.

Oil Handling and Level

Details POE oil properties, handling, and oil level checks.

Operating Envelope

Explains acceptable operating temperature and pressure ranges for compressors.

Refrigerant Type

Specifies that only R-410A refrigerant is approved for use.

Transportation, Handling, and Storage

Outlines procedures for safely moving, handling, and storing compressors.

Compressor Weight with Full Oil Charge

Lists the weight of various compressor models with their oil.

Pre-Installation Inspections

Lists checks to perform on the compressor before installation.

Repair Recommendations

Mechanical Failure Procedures

Guides on handling mechanical failures, including in tandem/trio sets.

Explosion Hazard and Deadly Gases

Details safety precautions for handling refrigerants to prevent explosions and toxic gas release.

Electrical Failure Procedures

Outlines steps for addressing electrical failures and replacing compressors.

Motor Failure Types and Oil Testing

Discusses motor failures and use of oil test kits for diagnosis.

Removal and Installation

Refrigerant Handling Precautions

Covers safety warnings related to high-pressure refrigerants and potential explosions.

Pressurized Burning Fluid Hazard

Warns about ignition risks from refrigerant/oil mixtures when using heat.

Hazardous Voltage and Capacitors

Details precautions for safely disconnecting power and discharging capacitors.

Compressor Removal Steps

Provides instructions for removing oil and refrigerant from compressors.

Tandem and Trio Compressor Replacement

Explains considerations for replacing compressors in tandem or trio configurations.

Installation Preparation and Brazing

Covers preparation, cleaning, and brazing for installing compressors.

Post-Brazing Procedures

Instructions on cleaning flux after brazing and protecting parts.

Leak Detection

Pressure Testing Procedures

Outlines techniques for pressure testing systems for leaks.

Vacuum Testing and Evacuation

Provides guidelines for evacuating systems and detecting leaks.

Charging the System

R-410A Refrigerant Charging Guidelines

Details proper methods for charging R-410A refrigerant.

Verification Before Start-Up

Pre-Start-Up Checks

Lists essential checks before starting the compressor.

Start-Up

Equipment Damage Prevention

Provides guidelines to prevent equipment damage during compressor start-up.

Oil Sump Superheat Measurement

Explains how to measure and interpret oil sump superheat.

Maintenance

Operating Parameter Checks

Lists regular checks for operating conditions, refrigerant charge, and oil levels.

Hazardous Voltage Precautions

Details safety procedures for electrical work during maintenance.

Troubleshooting

Compressor Will Not Start

Lists common causes and checks for a compressor that fails to start.

Compressor Will Not Build Up Pressure

Discusses issues related to a compressor failing to build system pressure.

Abnormal Running Noise

Covers potential causes for unusual noises during compressor operation.

Compressor Short Cycling

Addresses frequent on/off cycling of the compressor and its causes.

Motor Protector Module Resets

Explains the functions and fault modes of the motor protector module.

Incorrect Phase Sequence and PTC Overheat

Details troubleshooting for incorrect wiring phasing and motor overheating.

CSHN Motor Protection Module Diagnosis

Provides steps to test the motor protection module for functionality and faults.

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