Lennox CLIMATIC 60 User Manual page 85

COMMUNICATION
ALARM 121, 122, 221, 222:
EVAPORATOR, TEMPERATURE SUPERHEAT OUT OF RANGE
Description
The CLIMATIC™ 60 has detected anormal superheating temperature on the circuit.
• Alarm 121: superheat temperature too high on circuit 1,
• Alarm 122: superheat temperature too low on circuit 1,
• Alarm 221: superheat temperature too high on circuit 2,
• Alarm 222: superheat temperature too low on tcircuit 2.
Action
The circuit is still running. The alarm is signalling.
Reset
The alarm is manually reset.
Possible cause(s)
• Problem of refrigerant capacity
• Problem with the expansion valve.
Remedies
• Check the frigorifi c operating,
• Replace the expansion valve.
ALARM 123, 124, 223, 224:
CONDENSER, TEMPERATURE SUBCOOLING OUT OF RANGE
Description
The CLIMATIC™ 60 has detected anormal subcooling temperature on the circuit.
• Alarm 123: subcooling temperature too high on circuit 1,
• Alarm 124: subcooling temperature too low on circuit 1,
• Alarm 223: subcooling temperature too high on circuit 2,
• Alarm 224: subcooling temperature too low on circuit 2.
Action
The circuit is still running. The alarm is signalling.
Reset
The alarm is manually reset.
Possible cause(s)
• Problem of refrigerant capacity
• Problem with the expansion valve.
Remedies
• Check the frigorifi c operating,
• Replace the expansion valve.
CL60-AC CHILLER-IOM-1011-E
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