Carrier 23XRV - Lead;Lag Control Wiring, Parallel Flow Application

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Fig. 78 — Lead/Lag Control Wiring, Parallel Flow Application (Unit with R Compressor Shown)

a23-1597

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Safety Considerations1
- Installation Instructions1
- Table of Contents2
General2
Introduction2
Job Data3
Installation3
- Inspect Shipment3
- Identify Machine3
Step 1 - Receive the Machine3
- Installation Requirements4
- Provide Machine Protection4
Step 2 - Rig the Machine10
- Control Center Components11
- Machine Electrical Data Nameplate12
- Drive Assembly and Power Module Ratings13
- Machine Rigging Guide14
- 23XRV Heat Exchanger Sizes A,B Dimensions16
- 23XRV Heat Exchanger Sizes 30-57 Dimensions17
- 23XRV Compressor and Motor Weights18
- 23XRV Maximum Component Weights18
- 23XRV Waterbox Nozzle Sizes18
- VFD (Variable Frequency Drive) Weight Table18
- 23XRV Cooler Frame Size A1-A6, B1-B6 Heat Exchanger Weights19
- 23XRV Additional Data for Cooler Marine Waterboxes20
- 23XRV Code 30-57 Heat Exchanger Weights20
- 23XRV Additional Data for Condenser Marine Waterboxes21
- 23XRV Waterbox Cover Weights, Frames 3,4,521
- 23XRV Waterbox Cover Weights, Frames A/B22
- Rig Machine Components22
  - Electrical Cable Routing (Unit with R Compressor)23
  - Electrical Cable Routing (Unit with P Compressor)24
- Separate Cooler and Condenser24
Step 3 - Separate Machine Components24
- Cooler/Discharge Pipe Assembly Removal (Unit with R Compressor)25
- Cooler/Discharge Pipe Assembly Removal (Unit with P Compressor)26
- Chiller End View27
- Evaporator Refrigerant Liquid Temperature Sensor on Bottom of Cooler27
- Remove the Controls/Drive Enclosure27
- Separate the Compressor29
- Separate the Vaporizer from the Condenser34
- Oil Concentrator Removal, Q and R Compressors (Unit with R Compressor)34
Install VFD34
- Oil Concentrator Removal, P Compressor35
- Oil Reclaim Piping (Unit with R Compressor Shown)35
- Oil Reclaim Components (Unit with R Compressor)36
- Motor Terminal Box (Q and R Compressors)36
- Motor Terminal Insulation (Q and R Compressors)37
- Motor Terminal Box (P Compressor)37
- Install Standard Isolation38
- Motor Terminal Insulation (P Compressor)38
Install Machine Supports38
- Motor Ground Cable39
- VFD Refrigerant Connectors39
- 23XRV Frame Size a Machine Footprint40
- 23XRV30-57 Machine Footprint40
- 23XRV Frame Size B Machine Footprint41
- Install Accessory Isolation41
  - Standard Isolation41
  - 23XRV Accessory Spring Isolation42
- Install Spring Isolation42
- Install Water Piping to Heat Exchanger42
Step 6 - Connect Piping42
- Piping Flow Data43
- Optional Pumpout Unit and Storage Tank47
- Optional Pumpout System Piping Schematic with Storage Tank48
- Install Vent Piping to Relief Valves49
- Grounding the Controls/Drive Enclosure51
- Installing Input Power Wiring51
- Relief Valve Locations51
Step 7 - Make Electrical Connections51
- Typical Field Wiring Schematic (LF-2 VFD)53
- Enclosure56
- Notes to Fig.6056
- Pic III Control Component Layout57
- Connect Control Inputs/Outputs59
- Connect Starter59
- Wiring the Field Wiring Terminal Strips for STD Tier VFD59
Completing the Installation68
Checking the Installation68
Oil Pump and Oil Heater68
Connect Control Wiring68
- Interface68
Carrier Comfort Network68
Cable Manufacturers69
Bacnet Communication Option Wiring69
Lead-Lag Control Wiring69
Install Field Insulation69
- UPC Open Controller70
- Network Wiring70
- BT485 Terminator Installation71
- MS/TP Wiring Recommendations71
- Open System Wiring Specifications and Recommended Vendors72
- Lead/Lag Control Wiring, Parallel Flow Application73
- Series Flow Application74
- 23XRV Installation Area (P Compressor)75
- 23XRV Installation Area (Q Compressor)76
- 23XRV Installation Area (R Compressor)77
- Installation Start-Up Request Checklist79

Carrier 23XRV - Lead;Lag Control Wiring, Parallel Flow Application

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