Trane Axiom VSH Series Manuals

Manuals and User Guides for Trane Axiom VSH Series. We have 1 Trane Axiom VSH Series manual available for free PDF download: Service Manual

Trane Axiom VSH Series Service Manual

Trane Axiom VSH Series Service Manual (24 pages)

Variable Speed Water Source Heat Pump

Brand: Trane | Category: Heat Pump | Size: 1 MB

Table of Contents

Warnings, Cautions and Notices
2
Table of Contents
3
Variable-Speed WSHP UC400 Controller
4
I/O Definitions
4
UC400 Setpoints and Setup Parameters
5
Supply Fan Output Signal Control
5
Maximum Supply Fan Output
5
Minimum Supply Fan Output
6
Compressor Output Requirements
6
Compressor Startup and Shutdown Require
6
Ments
6
Compressor On/Off Time Requirements
6
Compressor Crankcase Heater Control
6
Sequence of Operation
7
Random Start Timer
7
Maintenance Timer
7
Setpoint Arbitration
7
Sensor Arbitration
7
Occupancy Determination
7
Occupied Mode
8
Supply Fan Mode Operation
8
Unit Mode Arbitration
9
Isolation Valve Operation
9
Isolation Valve "ON" Control
9
Isolation Valve "OFF" Control
10
Reversing Valve Operation
10
Cooling and Heating Operation
10
Cooling Sequence
10
Heating Sequence
10
Unoccupied Cooling and Heating Operation
10
Enhanced Dehumidification
10
Demand Limit Operation
11
Emergency Override BAS
11
Troubleshooting
12
General Unit Troubleshooting
12
Compressor Drive Troubleshooting
13
Tracer TU Initiated Service Test Mode
17
Local Service Test Mode Operation
17
Test Mode Overrides
18
Analog Input Failures and Overrides
19
Protection Functions
20
Diagnostic Resetting
21
Control Wiring
22

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