Appendix C: 30MP Multi-chiller Points/Properties
30MP Multi-chiller CARRIER CORPORATION ©2018
Installation and Start-up Guide All rights reserved
36
Occ Relative Humidity Setpoint
– The control setpoint used during occupied periods. D:
R:
60%rh
0 to 100%rh
– Enables Demand Level 1 to limit the maximum stage capacity to the
current operating capacity.
D:
R:
Disable
Disable/Enable
– The chilled water setpoint is increased by this number of
degrees when receiving a Demand
Level 2 signal.
D:
R:
2°F
0 to 10°F
– The chilled water setpoint is increased by this number of
degrees when receiving a Demand Level 3 signal.
D:
R:
3°F
0 to 10°F
>
>
>
Leaving Load Water Temperature Alarm
Low Leaving Load Water Temp Alarm Limit
– The
must drop
below this value to generate a
Leaving Load Water Temperature Alarm
. There is a fixed
hysteresis of 2
°F for return to normal.
This value should be set to at least 4°F below the configured cooling setpoint.
D:
R:
42°F
-45 to 45°F
High Leaving Load Water Temp Alarm Limit
– The
must exceed
this value to generate a
Leaving Load Water Temperature Alarm
. There is a fixed
hysteresis of 2
°F for return to normal.
This value should be set to at least 10°F above the configured cooling setpoint.
D:
R:
125°F
-20 to 150°F
Entering Load Water Temperature Alarm
Low Entering Load Water Temp Alarm Limit
– The
must drop
below this value to generate an
Entering Load Water Temperature Alarm
. There is a fixed
hysteresis of 2
°F for return to normal.
D:
R:
42°F
-45 to 45°F