Carrier 30MP - Unit Configuration Settings; Cooling Operation Settings; Power Failure Recovery

Appendix C: 30MP Multi-chiller Points/Properties
30MP Multi-chiller CARRIER CORPORATION ©2018
Installation and Start-up Guide All rights reserved
33
Point Name/Description
Range
Shutdown
– When
Active
, provides a means to stop the chiller plant in an orderly
manner. All alarms are reset and only currently active alarms are displayed.
D:
R:
Inactive
Inactive/Active
Unit Configuration
Navigation:
i-Vu® / Field Assistant:
Properties
>
Control Program
>
Configuration
>
Unit Configuration
Point Name/Description
Range
Cool Enable
– Enables or disables cooling operation. D:
R:
Enable
Disable/Enable
Cooling Lockout Temperature
– Cooling is inhibited below this outdoor air temperature. D:
R:
45°F
-65 to 80°F
Cooling Setpoint OA Reset
– Enables OA reset of the cooling water supply temp's
setpoint.
D:
R:
Disable
Disable/Enable
OAT CHW Supply Reset Low Limit
– The lowest outdoor air temperature which resets the
cooling water supply temp.
D:
R:
70°F
__°F
OAT CHW Supply Reset High Limit
– The highest outdoor air temperature which resets
the cooling water supply temp. Must be set above the configured
OAT CHW Supply Reset
Low Limit
.
D:
R:
90°F
__°F
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
Occupancy Schedules
– Enables or disables the occupancy schedule function. D:
R:
Disable
Disable/Enable
Power Failure Recovery
Power Fail Restart Delay
– On initial power up or after recovery from a power failure, the
controller delays starting any equipment for the configured value of this delay in seconds.
(Max delay time is 600 sec.)
D:
R:
120 seconds
0 to 600 seconds
Immediate Restart Time
– For a power failure less than this value (in minutes), the
control restarts all previous running chiller stages at 30 second intervals. (Max restart
delay time is 720 min.)
D:
R:
20 minutes
0 to 720 minutes