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RTHD

Trane RTHD Troubleshoot Manual

Name: Trane RTHD
Brand: Trane
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74 pages

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6 RLC-SVX05A-EN

CH530 OverviewCH530 Overview

•EXV stepper driver

• liquid level sensor input

• inverter interface

• pressure transducer

The following is a graphic example of the CH530 architecture.

Figure 1. CH530

Default Chapter3
- Table of Contents3
CH530 Overview5
IPC Overview and Troubleshooting7
- Installing a LLID8
Power Supply14
- Troubleshooting14
Temperature Sensor16
- Sensor Checkout Procedure16
  - Is the Sensor Bound and Communicating16
  - Is the Sensor Reading Accurately17
Pressure Transducers18
- Transducer Checkout Procedure18
  - Is the Transducer Bound and Communicating18
  - Is the Transducer Reading Accurately19
Variable Speed Fan Control - RTAC Only20
Current Transformers26
- CT and Starter Compressor Current Input Checkout Procedure27
Over/Under Voltage30
Starter34
Compressor Capacity - RTHD44
- Checkout Procedure for the Load-Unload Outputs44
Compressor Capacity - RTAC48
Electronic Expansion Valve54
- EXV Checkout Procedure54
  - Is the EXV Bound and Communicating54
  - Is the EXV Functioning Properly55
Liquid Level Sensor57
Gas Pump - RTHD Only59
- Gas Pump Checkout Procedure - Unit off59
- Gas Pump Checkout Procedure - Unit on60
Optical Sensor - RTHD Only61
- Checkout Procedure61
Techview Service Tool62

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Trane RTHD Specifications

General

Brand	Trane
Model	RTHD
Category	Chiller
Language	English

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