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Point Name/Description
Number Of Stages – The total number of chiller plant stages - compressors, not including
hot gas bypass.
Chiller Plant Size - The chiller plant's total size in tons.
Active Compressor Stages – The number of compressor stages currently operating.
Leaving Load Water Temp – The current leaving load water temperature sensor's
temperature.
Entering Load Water Temperature – The current entering load water temperature.
External AI Setpoint – The external analog input's setpoint scaled value.
Leaving Load Water Temp Source – The source of the Leaving Load Water Temp value.
States:
•
N/A - No sensor value associated with this device
•
Local - A physical sensor is wired and connected to the appropriate input channel of
this controller
•
Network - A network sensor value provided to this controller
•
Linkage - The sensor value from a linked device, obtained through air or water
linkage
•
Locked Value - The controller's sensor input is manually locked to a specific value
Entering Load Water Temp Source – The source of the Entering Load Water Temp value.
States:
•
N/A - No sensor value associated with this device
•
Local - A physical sensor is wired and connected to the appropriate input channel of
this controller
•
Network - A network sensor value provided to this controller
•
Linkage - The sensor value from a linked device, obtained through air or water
linkage
•
Locked Value - The controller's sensor input is manually locked to a specific value
Control Setpoint Source – The control setpoint value's source.
States:
•
N/A - No sensor value associated with this device
•
Local - A physical sensor is wired and connected to the appropriate input channel of
this controller
•
Network - A network sensor value provided to this controller
•
Linkage - The sensor value from a linked device, obtained through air or water
linkage
•
Locked Value - The controller's sensor input is manually locked to a specific value
•
Configuration - The controller uses the equipment's configuration (water/brine) and
the analog input channel's value to determine the appropriate setpoint conversion
range. (1-5 Volts = 40 to 65°F for water / 1-5 Volts = 20 to 45°F for brine)
30MP Multi-chiller
Installation and Start-up Guide
Appendix C: 30MP Multi-chiller Points/Properties
41
Range
R:
0 to 24
R:
_tons
R:
0 to 24
R:
__°F
R:
__°F
R:
__°F
R:
N/A
Local
Network
Linkage
Locked Value
R:
N/A
Local
Network
Linkage
Locked Value
R:
N/A
Local
Network
Linkage
Locked Value
Configuration
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