Installation and Maintenance Manual
Table Of Contents
- Warnings, Cautions and Notices
- Model Number Description
- General Information
- Pre-Installation
- Unit Dimensions/Weights
- Installation - Mechanical
- Location Requirements
- Rigging
- Evaporator Piping
- Condenser Water Piping (RTWD Units Only)
- Refrigerant Relief Valve Venting
- RTUD Installation
- System Configuration
- Equivalent Line Length
- Liquid Line Sizing
- Discharge (Hot Gas) Line Sizing
- Example
- Refrigerant Charge Determination
- RTUD Chilled Water Flow Control
- Oil Charge Determination
- Outdoor Air Temperature Sensor Installation Requirements
- Fan Control for the Remote Air Cooled Condenser
- RTUD Condenser Elevation Setting
- Shipping Spacers
- Installation - Electrical
- RTWD/RTUD Operating Principles
- Controls Interface
- Pre-Start Checkout
- Unit Start-Up Procedures
- Unit Shutdown
- Service and Maintenance
- Diagnostics
- Wiring Schematics

RLC-SVX09H-EN 215
Wiring Schematics
Table 138 provides a list of field wiring diagrams, electrical schematics and connection diagrams for RTWD and RTUD
units.The complete wiring package is documented in RLC-SVE01*-EN. A laminated wiring diagram booklet is also shipped
with each unit.
Unit Electrical Data
To determine the specific electrical characteristics of a particular chiller, refer to the nameplates mounted on the units.
Table 138. RTWD (UD Wiring diagrams
Drawing Description
2309-7584
Sheet 1
Schematic - Wye-Delta Starter
Compressor - Ckt 1 (1A)
Sheet 2 Compressor - Ckt 2 (2A)
Sheet 3 Controls
Sheet 4 Controls/LLID Bus
Sheet 5 Controls/Legend/LLID Bus
2309-7585
Sheet 1
Schematic - X-line Starters
Compressor - Ckt 1 (1A)
Sheet 2 Compressor - Ckt 2 (2A)
Sheet 3 Controls
Sheet 4 Controls/LLID Bus
Sheet 5 Controls/Legend/LLID Bus
2309-7596
Sheet 1
Unit Component Location
Diagram
Sheet 2 Legend/Notes
2309-7597
Sheet 1
Control Panel Component Location
Diagram
Sheet 2 Legend
2309-1913
Sheet 1
Field Wiring
Diagram
Sheet 2 Notes/Fuses
2309-1969
Sheet 1
Interconnection Wiring, Field Wiring RTUD Paired Condenser
Diagram
Sheet 2 Notes
2309-7598
Sheet 1
Field Layout
Diagram
Sheet 2 Notes