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Chillers
TurboChill™ R1234ze Air Cooled and FreeCool
160
Chiller Technical Manual 7752785 V1.12.0_10_2018
Alarms
Code
Description
Auto Reset
Unit Disabled
Component Disabled
Cause
Action
Default Alarm
Type
AL105
Cond.Supply Temp.Fault
•
• •
The Sensor has gone out of
its operating range
Check: Wiring/
Sensor
1 = Non Critical
AL106
Cond.Diff.Press. Fault
•
• •
AL107
Condenser Flow Alarm
•
No condenser flow has been
detected
Check: condenser
pump is running /
flow
2 = Critical
AL108
Unit Pump Down Cct1
•
The circuit has been partially
pump down and disabled
Check for refrigerant
loss and reset
AL109
Unit Pump Down Cct2
•
AL110
Possible Unit Ref.Leak
•
A possible unit refrigerant leak
has been detected
Check for refrigerant
loss
1 = Non Critical
AL111
Mains Isolator Status
•
• •
Mains isolator has been
switched off
Check with
maintenance
personnel before
switching back on
2 = Critical
AL112
Cond. Fan Trip Cct1
•
•
Isolator for circuit 1 condenser
fan has been switched off
1 = Non Critical
AL113
Cond. Fan Trip Cct2
•
•
Isolator for circuit 2 condenser
fan has been switched off
AL114
Fan Isolator Status
•
•
Common isolator for circuit
1 and 2 condenser fan has
been switched off
AL115
Pump Isolator Status
•
•
Pump isolator has been
switched off
AL116
Leak1 MB Comms.Offline
•
Communication to the
compressor 1 refrigerant leak
detector has been lost
Check: Wiring /
Modbus connection /
Leak detector
AL117
Leak2 MB Comms.Offline
•
Communication to the
compressor 2 refrigerant leak
detector has been lost
AL118
Leak3 MB Comms.Offline
•
Communication to the
compressor 3 refrigerant leak
detector has been lost
AL119
Leak4 MB Comms.Offline
•
Communication to the
compressor 4 refrigerant leak
detector has been lost
AL120
Leak Alarm
• •
One or more refrigerant leaks
have been detected
Check for refrigerant
loss
2 = Critical
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