Owner's manual

7
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Alarm Functions of the CoolLogic Control System
High Pressure Cutout
This requires resetting at both the module’s manual reset
high pressure control switch and at the Master Control
Panel’s software reset to resume operation (See page 5
(Setup Menu) for Alarm Menu display or press FN+3).
Low Pressure Cutout
This requires resetting at the Master Control Panel to
resume operation (See page 5 (Setup Menu) for Alarm
Menu display or press FN+3).
Compressor Thermal Protector Fault
This would occur if the motor protector sensed an overload
trip in the compressor motor. It would also occur if any
component in the motor protector circuit failed to open.
This requires resetting at the Master Control Panel (See
page 5 (Setup Menu) for Alarm Menu display or press FN+3).
Low Suction Temperature
During operation, should this temperature drop to 28° F, the
compressor will shut down. This requires resetting at the
Master Control Panel after the temperature has risen above
33° F (See page 5 (Setup Menu) for Alarm Menu display or
press FN+3).
High Discharge Temperature (Standard with UCH
and UGW)
During operation, should this temperature rise above 225° F,
the compressor will shut down. This requires resetting at
the Master Control Panel after the temperature has cooled
to below 175° F (See page 5 (Setup Menu) for Alarm Menu
display or press FN+3).
Low Leaving Chilled Water Temperature - Below
38° F
Evaporator freeze protection requires resetting at the
Master Control Panel after the temperature has risen to 40°
F (See page 5 (Setup Menu) for Alarm Menu display or
press FN+3).
High Leaving Condenser Water Temperature -
Above 145° F
This requires resetting at the Master Control Panel after
the temperature has fallen below 140° F. (See page 5 (Setup
Menu) for Alarm Menu display or press FN+3).
Communications Error
This signies a loss of communication between any module
controller and the Master Control Panel.
Miscellaneous Alarm Functions of the CoolLogic
Control System
• Loss of ow through the evaporator
• Loss of ow through the condenser
• Electrical voltage/phase failure
• Temperature Sensor “Out-of-Range” error detects when
an open or shorted sensor condition exists