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12.4.12 Evaluation of the Performance
Operate the unit at cooling/heating operation
mode for fifteen minutes or more.
Measure the temperature of the intake and
discharge air.
Ensure the difference between the intake
temperature and the discharge is more than 8°C
during Cooling operation or more than 14°C
during Heating operation.
Note:
During extremely cold winter, turn on the power
supply and standby the unit for at least 15 minutes
before test run. Allow sufficient time to warm up
refrigerant and prevent wrong error code
judgement.
Discharge air
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