Airedale SmartCool 11-233kW - Manual (Page 183)

Precision Air Conditioning SmartCool
TM
– D
Precision Air Conditioning
183
Installation, Maintenance and Commissioning Manual :6877419 02/2013
Code Description
A
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Cause Action
AL003 Humidity Probe Alarm Ÿ Ÿ
Indicates that there is a fault with
the corresponding probe, possible
causes are the sensor going open
circuit or there is a wiring fault. All
sensor alarms are auto reset once
the fault has been rectified.
Humidity control will be disabled until the
sensor fault is rectified.
AL004
Differential Pressure
Sensor Alarm
Ÿ Ÿ
Constant Air Volume will be disabled and
fan speed will revert to fixed speed set
point
AL004
Floor Void Differential
Pressure Sensor Alarm
Ÿ Ÿ
Constant Pressure Control will be disabled
and fan will revert back to fixed fan speed
set point
AL005
Liquid Pressure Circuit
1 Probe Alarm
Ÿ Ÿ
Head Pressure Control is disabled on
circuit 1 and the condenser fans is
increased to 100%
AL005
Inlet Chilled Water
Temperature Probe
Alarm
Ÿ Ÿ Alarm will be generated
AL006
Return Air Temperature
Sensor Alarm
Ÿ Ÿ
Cooling and Heating control is disabled
until the sensor is fixed
AL007
Supply Air
Temperature Probe
Alarm
Ÿ Ÿ
Supply air control is disabled and unit
controls to return air control
AL008
Circuit 1 Discharge
Temp Probe Alarm
Ÿ Ÿ Alarm will be generated
AL009
Liquid Pressure Circuit
2 Probe Alarm
Ÿ Ÿ
Head Pressure Control is disabled on
circuit 2 and the condenser fans are
increased to 100%
AL009
Supply Water
Temperature Alarm
Ÿ Ÿ Alarm is generated
AL010
Coil Temperature
Probe Alarm
Ÿ Ÿ Alarm is generated
AL010
Circuit 2 Discharge
Temp Probe Alarm
Ÿ Ÿ Alarm is generated
AL011
Circuit 1 Supply Water
Temp Probe Alarm
Ÿ Ÿ Free cooling is disabled
AL012
Circuit 2 Supply Water
Temp Probe Alarm
Ÿ Ÿ Alarm is generated
AL012
Ambient Temperature
Probe Alarm
Ÿ Ÿ Free cooling is disabled
AL013 Air Flow Fail û Ÿ Ÿ
Indicates the air flow switch has not
detected any airflow for 60 seconds
once the main fan is switched on.
The alarm will auto reset 3 times and lock
out to a manual reset
AL014
Circuit 1 Compressor 1
Status
Ÿ Ÿ
This alarm indicates the status of
compressor.
The alarm is generated if the
controller output is active but the
feed back from the contactor has
not changed.
The alarm will de-activate the
corresponding compressor.
AL015
Circuit 1 Compressor 2
Status
Ÿ Ÿ
AL016
Circuit 1 Inverter
Compressor Status
Ÿ Ÿ
AL017
Circuit 2 Compressor 1
Status
Ÿ Ÿ
AL018
Circuit 2 Compressor 2
Status
Ÿ Ÿ
AL019
Circuit 2 Inverter
Compressor Status
Ÿ Ÿ
AL020 Filter Change Alarm
Indicates that the filters on the unit
possibly need changing.
Alarm will need to be manually reset once
the filter has been changed.
Troub
les
hoo
ting