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

Controls Interface
RLC-SVX09H-EN 153
The items that can be modified show up in white.The
items that cannot be modified show up in gray.
Circuit 2 Revise Compressor 2A Run Time Setting hrs:mins
Circuit 2 Revise Compressor 2A Starts Setting starts 0 4294967295
Date Recorder
Chiller Data Recorder Enable/Disable Setpoint
Chiller Data Recorder Change Delta Setpoint 0 1.0 0.2
Chiller Data Recorder Sample Period Setpoint Sec 1 3600 2
Chiller Data Recorder Temperature Change Delta Setpoint
Delta Temp
(°C)
0 2.8 0.6
Chiller Data Recorder Pressure Change Delta Setpoint
Delta Press
(kPa)
0 34.5 13.8
Chiller Data Recorder Percent Change Delta Setpoint % 0 5 1
Chiller Data Recorder Count Change Delta Setpoint 0 120 30
Chilled Water Reset
Chiller Chilled Water Reset Type Setpoint Disable
Chiller Return Water Reset Ratio Setpoint % 10 120 50
Chiller Return Water Start Reset Setpoint °F (°C) 36 (2.22) 62 (16.67) 42 (5.56)
Chiller Return Water Maximum Reset Setpoint °F (°C) 32 (0) 52 (11.11) 37 (2.78)
Chiller Outdoor Air Reset Ratio Setpoint % -80 80 10
Chiller Outdoor Air Start Reset Setpoint °F (°C) 50 (10) 130 (54.44) 90 (32.22)
Chiller Outdoor Air Maximum Reset Setpoint °F (°C) 32 (0) 52 (11.11) 37 (2.78)
Chiller Actual Degrees of Chilled Water Reset Status °F (°C)
Chiller I/O States
Chiller Evaporator Water Pump Command Status
Chiller Condenser Water Pump Command Status
Chiller Ice Building Active Status
Circuit 1 I/O States
Circuit 1 Compressor 1A Load Step Status
Circuit 1 Oil Return Pump Drain Status
Circuit 1 Oil Return Pump Drain Status
Circuit 1 Optical Oil Sensor Input Status
Circuit 2 I/O States
Circuit 2 Compressor 2A Load Step Status
Circuit 2 Oil Return Pump Drain Status
Circuit 2 Oil Return Pump Drain Status
Circuit 2 Optical Oil Sensor Input Status
Table 121. Unit view tabs - detail (continued)
Tab System Control Point Name Status Unit Min Max Default