9.2.3.7. 4-way Valve Failure Protection Control (Cooling/Heating Switching Errors)
·
During a cooling operation
1. If the temperature of the indoor unit heat exchanger exceeds 45 °C 4 minutes after the compressor started, the compressor
is stop. (It restarts 3 minutes later → Time delay safety control.)
2. If this happens on 4 occasions in a 30-minute period, timer lamp blinks. ("F11" error)
·
During a heating operation
1. If the temperature of the indoor unit heat exchanger drops below 5 °C 4 minutes after the compressor started, the
compressor is stopped. (It restarts 3 minutes later → Time delay safety control.)
2. If this happens on 4 occasions in a 30-minute period, timer lamp blinks. ("F11" error)
9.2.3.8. Outdoor Air Temperature Control
·
The compressor operating frequency is regulated in accordance to the outdoor air temperature.
·
This control is not applicable during minimum frequency operation protection control, deice operation, pump down operation.
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CS-ME7CKPG / CS-ME10CKPG / CS-ME12CKPG / CS-ME14CKPG / CS-ME18CKPG / CU-2E15CBPG / CU-2E18CBPG / CU-3E23CBPG / CU-4E27CBPG