Trane CentraVac RTHA-W-1A Manuals

Manuals and User Guides for Trane CentraVac RTHA-W-1A. We have 1 Trane CentraVac RTHA-W-1A manual available for free PDF download: Service Manual

Trane CentraVac RTHA-W-1A Service Manual

Trane CentraVac RTHA-W-1A Service Manual (160 pages)

Brand: Trane | Category: Chiller | Size: 16 MB

Table of Contents

Section 1

11
- Table of Contents
  11
- General Information
  12
- Literature Change History
  12
- Unit Electrical Data
  12
- All RTHA Units
  14
- RTHA Units W/Unit-Mounted Starter Panel
  18
- Mounted Starter (Wye-Delta)
  18
- Mounted Starter (Wye-Delta)
  28
- RTHA Units W/Remote-Mounted Starter Panel
  28
Section 2

107
- Control Panel Codes and Menu Charts
  108
- UCP Overview
  108
- Phase Sequence
  111
- RTHA Compressor Electrical Phasing
  111
- 4U1 Remote Mounted Starter Phase Reversal Monitor
  112
- Phase Monitor Operation for Remote and Unit Mounted Starts
  112
- RTHA Electrical Diagrams
  112
- Switch Block S1: Rated Load Amps (RLA) Setpoint
  122
- Switch Block S3: Frequency; Phase Imbalance
  122
- Input Connections (and Terminal Designations)
  126
- Terminal Strip 1TB3
  126
- Terminal Strip 1TB6: Bidirectional Communications Link
  126
- Condenser Refrigerant Pressure
  127
- Proving Oil Flow (1TB4-1, -2)
  130
- Terminal Strip 1TB4
  130
- Transition Complete" Contacts (1TB4-5, -6)
  130
- Temperature Sensor Checkout Procedure
  132
- Troubleshooting with Control
  140
- Overview
  147
- Power Supply Checkout Procedure
  147
- Power Transformer (1T1) Checkout (Figure 8)
  150
- Compressor Transition Relay 1U2K5 and Current Trans
  152
- Defective Micro Module (1U3)
  153
- Defective Power Supply Output Module (1U2)
  153
- Faulty "Proof-Of-Transition" Circuit
  153
- Faulty Current-Sensing Inputs
  153
- Faulty Starter Component(S) or Wiring
  153
- 1U2K5 Checkout Procedure
  154
- Current Transformer Checkout
  154
- Checkout Procedure for Slide Valve Operation
  157
- Hold
  157
- Load
  157
- Pressure Gauge
  157
- Slide Valve Control Switch
  157
- Unload
  157
- Auto
  158
- Condenser Water Pump Relay Checkout
  158
- Relay Operation
  158
- Relay Troubleshooting
  158

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