Airedale TurboChill FreeCool 200kW - 1830kW - Manual (Page 140)

140 Chiller Technical Manual 7525355 V1.1.0_04_2013
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Chillers TurboChill™ Air Cooled and FreeCool
Alarms
Code Description
Auto Reset
Unit Disabled
Component Disabled
Cause Action Default Alarm Type
AL100 High Liquid Level Cct1
• High level of refrigerant in
flooded evaporator
Check the
operation of the
liquid level control
valve
1 = Non critical
AL101 Low Liquid Level Cct1
• Low level of refrigerant in
flooded evaporator
Check the
operation of the
liquid level control
valve / refrigerant
leak
1 = Non critical
AL102 High Liquid Level Cct2
• High level of refrigerant in
flooded evaporator
Check the
operation of the
liquid level control
valve
1 = Non critical
AL103 Low Liquid Level Cct2
• Low level of refrigerant in
flooded evaporator
Check the
operation of the
liquid level control
valve / refrigerant
leak
1 = Non critical
AL104 Cond.Return Temp.Fault
• • • The sensor has gone out of its
operating range
Check: wiring /
sensor
1 = Non critical
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
• • • The sensor has gone out of its
operating range
Check: wiring /
sensor
1 = Non critical
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
2 = Critical
AL109 Unit Pump Down Cct2
•
2 = Critical
AL110 Possible Unit Ref.Leak
• A possible unit refrigerant leak
has been detected
Check for
refrigerant loss
1 = Non critical
AL111 Mains Isolator Status Alarm
• • •
Mains isolator is off.
If safe to do so
switch on.
2 = Critical
AL112 Circuit 1 Condenser Fan Trip
•
One or more condenser fans
have tripped on circuit 1.
Check circuit 1
condenser fan
operation / wiring.
1 = Non critical
AL113 Circuit 2 Condenser Fan Trip
•
One or more condenser fans
have tripped on circuit 2.
Check circuit 2
condenser fan
operation / wiring.
1 = Non critical
AL114 Condenser Fan Isolator Status
• •
Condenser fan isolator is off.
If safe to do so
switch on.
1 = Non critical
AL115 Pump Isolator Status
• •
Pump isolator is off.
If safe to do so
switch on.
1 = Non critical
AL116
Refrigerant Leak Detector 1 MB
Communications Offline
•
Communication to the leak
detector has failed
Check: wiring
/ modbus
connection / leak
detector.
1 = Non critical
AL117
Refrigerant Leak Detector 2 MB
Communications Offline
•
1 = Non critical
AL118
Refrigerant Leak Detector 3 MB
Communications Offline
•
1 = Non critical
AL119
Refrigerant Leak Detector 4 MB
Communications Offline
•
1 = Non critical