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 159
RTWD/CH530 Configuration
Control Sequence
1
CH530
Chiller Design Sequence
(DSEQ)
Factory Assigned
Nominal Tons (NTON) 60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
220
250
Unit Type (UNTY) Standard
High
Premium
Unit Application (UAAP)
Standard Condenser Leaving
Water Temperature
High Temperature
Condenser Leaving Water
Temperature
Water-Water Heat Pump
Standard Ambient (Air-
Cooled Condenser)
High Ambient (Air-Cooled
Condenser)
No Fan Controls (Water
Cooled)
Fan Control by Others
Integral Fan Controls
Evaporator Type (EVLT) Standard
Process
Ice
High Pressure Cutout
Reference (gauge)
Unit Line Voltage 200V
230V
380V
400V
460V
575V
Table 123. Configuration view items - detail (continued)
Tab Item Description
Line Frequency (HRTZ) 50Hz
60Hz
Manufacturing Location
(DCLT)
Curitiba, Brazil
Pueblo, USA
Charmes, France
Taicang, China
Line Voltage Sensing
(WUVO)
Not Installed
Installed
Power Meter (PWRM) Not Installed
Installed
Water Flow Proving -Factory
Installed (FLOW)
115 VAC Paddle Type Flow
Switch
Factory Installed Low
Voltage Thermal Type Flow
Switch
Starter
Compressor 1A Rated Load
Amps
Range = 1 - 999
Compressor 2A Rated Load
Amps
Range = 1 - 999
Compressor 1A Current
Transformer Meter Scale
37.5 Amps
50 Amps
75 Amps
100 Amps
150 Amps
200 Amps
275 Amps
400 Amps
500 Amps
700 Amps
1000 Amps
Compressor 2A Current
Transformer Meter Scale
37.5 Amps
50 Amps
75 Amps
100 Amps
150 Amps
200 Amps
275 Amps
400 Amps
500 Amps
700 Amps
1000 Amps
Starter Type (SRTY) Wye-Delta Closed Transition
Across the Line
Contactor Integrity Test Enable
Disable
Table 123. Configuration view items - detail (continued)
Tab Item Description