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
Installation - Electrical
120 RLC-SVX09H-EN
Analog
Input, 78
Line 2 Current
(in Amps)-
Compressor 2A
Line 2 Current (in
Amps)- Compressor
2A
Amps
Analog
Input, 79
Line 3 Current
(in Amps)-
Compressor 2A
Line 3 Current (in
Amps)- Compressor
2A
Amps
Analog
Input, 80
Line 1 Current
(in Amps)-
Compressor 2B
Line 1 Current (in
Amps)- Compressor
2B
Amps
Analog
Input, 81
Line 2 Current
(in Amps)-
Compressor 2B
Line 2 Current (in
Amps)- Compressor
2B
Amps
Analog
Input, 82
Line 3 Current
(in Amps)-
Compressor 2B
Line 3 Current (in
Amps)- Compressor
2B
Amps
Analog
Input, 83
Line 1 Current
(%RLA)-
Compressor 1A
Line 1 Current
(%RLA)-
Compressor 1A
Percent (98)
Analog
Input, 84
Line 2 Current
(%RLA)-
Compressor 1A
Line 2 Current
(%RLA)-
Compressor 1A
Percent (98
Analog
Input, 85
Line 3 Current
(%RLA)-
Compressor 1A
Line 3 Current
(%RLA)-
Compressor 1A
Percent (98)
Analog
Input, 86
Line 1 Current
(%RLA)-
Compressor 1B
Line 1 Current
(%RLA)-
Compressor 1B
Percent (98)
Analog
Input, 87
Line 2 Current
(%RLA)-
Compressor 1B
Line 2 Current
(%RLA)-
Compressor 1B
Percent (98)
Analog
Input, 88
Line 3 Current
(%RLA)-
Compressor 1B
Line 3 Current
(%RLA)-
Compressor 1B
Percent (98)
Analog
Input, 89
Line 1 Current
(%RLA)-
Compressor 2A
Line 1 Current
(%RLA)-
Compressor 2A
Percent (98)
Analog
Input, 90
Line 2 Current
(%RLA)-
Compressor 2A
Line 2 Current
(%RLA)-
Compressor 2A
Percent (98)
Analog
Input, 91
Line 3 Current
(%RLA)-
Compressor 2A
Line 3 Current
(%RLA)-
Compressor 2A
Percent (98)
Analog
Input, 92
Line 1 Current
(%RLA)-
Compressor 2B
Line 1 Current
(%RLA)-
Compressor 2B
Percent (98
Analog
Input, 93
Line 2 Current
(%RLA)-
Compressor 2B
Line 2 Current
(%RLA)-
Compressor 2B
Percent (98)
Analog
Input, 94
Line 3 Current
(%RLA)-
Compressor 2B
Line 3 Current
(%RLA)-
Compressor 2B
Percent (98)
Analog
Input, 95
Number of
Circuits
Number of Circuits None
Analog
Input, 96
Number of
Compressors,
Ckt 1
Number of
Compressors, Ckt 1
None
Analog
Input, 97
Number of
Compressors,
Ckt 2
Number of
Compressors, Ckt 2
None
Table 100. Analog Input (continued)
Object
Identifier
Object Name Description Units
Table 101. Multistate Output
Object
Identifier
Object
Name
Description
Relinq
Default
Object States
Multi-State
Output, 1
Chiller
Mode
Command
Mode of
operation of
the chiller.
1 = Cool
1 = HVAC _Heat
2 = HVAC_Cool
3 = HVAC_Ice
4 = Not Used
Table 102. Multistate Input
BCI-C
Object
Identifier
Object
Name
Description Object States
Multi-State
Input, 1
Running
Mode
Indicates the
primary
running mode
of the chiller.
1 = Chiller Off
2 = Chiller in Start Mode
3 = Chiller in Run Mode
4 = Chiller in Pre-shutdown
Mode
5 = Chiller in Service Mode
Multi-State
Input, 2
Operating
Mode
Indicates the
primary
operating mode
of the chiller.
1 = HVAC_Heat
2 = HVAC_Cool
3 = HVAC_Ice
4 = Not Used
Multi-State
Input, 3
MP Comm
Status
Communication
status.
1 = R-22
2 = Communication
3 = Communication Lost
4 = Failed to Established
5 = Waiting to Establish
Multi-State
Input, 4
Refrig
Type
Refrigerant
type.
1 = R-11
2 = R-12
3 = R-22
4 = R-123
5 = R-134A
6 = R407C
7 = R-410A
Multi-State
Input, 5
Model Info
Indicates the
model type of
the chiller.
1 = RTA
2 = CVH
3 = CVG
4 = CVR
5 = CDH
6 = RTH
7 = CGW
8 = CGA
9 = CCA
10 = RTW
11 = RTX
12 = RTU
13 = CCU
14 = CXA
15 = CGC
16 = RAU