Airedale TurboChill FreeCool 200kW - 1830kW - Manual (Page 137)

137 Chiller Technical Manual 7525355 V1.1.0_04_2013
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Chillers TurboChill™ Air Cooled and FreeCool
Code Description
Auto Reset
Unit Disabled
Component Disabled
Cause Action Default Alarm Type
AL044 Bearing Reset Comp.1
• •
Low suction pressure / liquid Check: refrigerant
circuit
1 = Non critical
AL045 SCR Temp. Comp.1
• • Indicates insufficient cooling
to the SCR plate
Check: alarms
limits in the
compressor
1 = Non critical
AL046 System Lockout Comp.1
•
When a SCR / inverter / cavity
temperature fault occurs more
than 3 time in 30minutes
Check: motor
cooling line and
solenoids valves /
cycle compressor
power
1 = Non critical
AL047 Inverter Temp. Comp.2
• • The temperature of the
compressor inverter is high
Check: liquid line
to the compressor
/ solenoid valves
1 = Non critical
AL048 Discharge Temp. Comp.2
• • The temperature of the
discharge gas is high
Check: refrigerant
charge / discharge
temperature
sensor
1 = Non critical
AL049 Suction Press. Comp.2
• • The suction pressure is too
high / low at the compressor
Check: charge
/ system load /
sensor / suction
strainer
1 = Non critical
AL050 Discharge Press.Comp.2
• • The discharge pressure has
exceeded it limit
Check: the sensor
/ condenser/ shut
off valves
1 = Non critical
AL051 3Ph. Current Comp.2
• • Indicates there maybe an
excessive load on the system
1 = Non critical
AL052 Cavity Temp. Comp.2
• • The cavity temperature inside
the compressor is high
Check: the liquid
cooling line /
solenoid valve
1 = Non critical
AL053 Air/Water Temp. Comp.2
• • There maybe insufficient
water flow due to air gaps
Check: sensor
limits
1 = Non critical
AL054 Compress. Ratio Comp.2
• • The compression ratio of the
compressor is out of range
Check: condenser
/ evaporator loads
and settings
1 = Non critical
AL055 Bearing Reset Comp.2
• •
Low suction / liquid
Check: refrigerant
Circuit
1 = Non critical
AL056 SCR Temp. Comp.2
• • Indicates insufficient cooling
to the SCR plate
Check: alarms
limits in the
compressor
1 = Non critical
AL057 System Lockout Comp.2
•
When a SCR / inverter / cavity
temperature fault occurs more
than 3 time in 30 minutes
Check: motor
cooling line and
solenoids valves /
cycle power
1 = Non critical
AL058 Inverter Temp. Comp.3
• • The temperature of the
compressor inverter is high
Check: liquid line
to the compressor
/ solenoid valves
1 = Non critical
AL059 Discharge Temp. Comp.3
• • The temperature of the
discharge gas is high
Check: refrigerant
charge / discharge
temperature
sensor
1 = Non critical
Alarms