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Trane RTAC Troubleshooting
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6
RLC-SVX05A-EN
CH530 OverviewCH530 Overview
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liquid level sensor input
•
inverter interface
•
pressure transducer
The following i
s a graphic example
of the CH530 arc
hitecture.
Figure 1
.
CH530
5
7
Table of Contents
Default Chapter
3
Table of Contents
3
CH530 Overview
5
Main Processor
5
Starter Module
5
Power Supply Module
5
Llids (Low Level Intelligent Devices)
5
IPC Overview and Troubleshooting
7
Installing a LLID
8
Bus Connection Crimping Procedure
8
Procedure for Installing Caps
10
Troubleshooting Problems with Multiple LLIDS
11
Power Supply
14
Troubleshooting
14
Temperature Sensor
16
Sensor Checkout Procedure
16
Is the Sensor Bound and Communicating
16
Is the Sensor Reading Accurately
17
Pressure Transducers
18
Transducer Checkout Procedure
18
Is the Transducer Bound and Communicating
18
Is the Transducer Reading Accurately
19
Variable Speed Fan Control - RTAC Only
20
Startup and Operation
20
Inverter Fault Input
22
Troubleshooting the Inverter
22
Current Transformers
26
CT and Starter Compressor Current Input Checkout Procedure
27
Over/Under Voltage
30
RTAC Chillers
30
Check out Procedure for RTAC
30
Under/Over Voltage Transformer Checkout
30
RTHD Chillers
31
Check out Procedure for RTHD
31
Potential Transformer
31
Starter Module
33
Starter
34
X-Line
34
Y-Delta
34
Ydelta Starter Sequence
36
Solid State - RTHD Only
43
Compressor Capacity - RTHD
44
Checkout Procedure for the Load-Unload Outputs
44
Checkout Procedure for the Slide Valve and Load-Unload Solenoids
45
Load
47
Unload
47
Compressor Capacity - RTAC
48
Checkout Procedure for the Female Step Load Outputs
49
Checkout Procedure for the Step Load Solenoids Valve and Piston
49
Checkout Procedure for the Male Load-Unload Outputs
49
Checkout Procedure for the Slide Valve and Load-Unload Solenoids
50
Setup
50
Load
52
Unload
52
Electronic Expansion Valve
54
EXV Checkout Procedure
54
Is the EXV Bound and Communicating
54
Is the EXV Functioning Properly
55
Liquid Level Sensor
57
External LLID Sensor
57
Internal LLID
57
Liquid Level Sensor Checkout Procedure
57
Is the Sensor Bound and Communicating
57
Is the Sensor Reading Accurately
58
Gas Pump - RTHD Only
59
Gas Pump Checkout Procedure - Unit off
59
Gas Pump Checkout Procedure - Unit on
60
Optical Sensor - RTHD Only
61
Checkout Procedure
61
Techview Service Tool
62
Software Requirements
62
Hardware Requirements
62
Laptop Requirements for CH530
63
The Download Process
63
Instructions for First Time Tracer™ CH530 Users
63
Using Techview
65
Downloading New Main Processor Software
67
Binding Process
67
Binding Symbols
70
Modify Chiller Configuration
70
Other manuals for Trane RTAC
Installation, Operation And Maintenance
44 pages
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Trane RTAC Specifications
General
Model
RTAC
Type
Air-Cooled Chiller
Refrigerant
R-134a
Compressor Type
Helical-Rotary (Screw)
Voltage Options
208V, 230V, 460V, 575V
Dimensions
Varies by model
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