Carrier 30MP - Start-up Wizard Parameters; Control Point and Minimum Chillers

Appendix D: Touchscreen settings
30MP Multi-chiller CARRIER CORPORATION ©2018
Installation and Start-up Guide All rights reserved
54
30MP Multi-chiller Start-up Wizard
Navigation:
Equipment Touch
Startup Wizard
Point Name/Description
Range
Control Point
– Defines whether the control monitors and uses
Leaving Water Temp
or
Entering Water Temp
to control this equipment.
D:
R:
Leaving Water Temp
Leaving Water Temp
Entering Water Temp
Minimum # of Chillers to Run
– The least number of chillers you can run at the same
time.
D:
R:
1
1 to 8
ACR Timer
– (Additional Capacity Required) Determines the time delay before an
additional compressor stage can be added.
D:
R:
5:00 minutes
2:00 - 20:00 minutes
RCR Timer
– (Reduced Capacity Required) Determines the time delay before an
additional compressor stage can be removed.
D:
R:
3:00 minutes
1:00 to 5:00 minutes
Cool Enable
– Enables or disables cooling operation. Enable
Disable/Enable
Cooling Lockout Temperature
– Cooling is inhibited below this outdoor air temperature. D:
R:
45°F
-65 to 80°F
Chilled Water Setpoint
- The chilled water temperature setpoint maintained by the chiller
plant. The setpoint is internally clamped so it will not exceed the highest freeze point
configured in any chiller.
D:
R:
44°F
40 to 80°F for water
-20 to 45°F for brine
Occ Contact Normal Logic State
– Specifies the occupancy contact's normal logic state. D:
R:
Open
Open/Closed
Tower Fan Output Type –
Defines the type of fan output control. R: 0 to 100%
Cooling Setpoint OA Reset
– Enables OA reset of the cooling water supply temp's
setpoint.
D:
R:
Disable
Disable/Enable
Maximum OA CHW Reset
– The highest cooling water supply temp setpoint reset
allowed by the OAT.
D:
R:
10°F
0 to 25°F
RH Cooling Setpoint Reset
– Enables or disables reset of the cooling water supply
temp's setpoint, based on relative humidity.
D:
R:
Disable
Disable/Enable