DM16-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 33
10.5.9 Low outdoor ambient temperature protection
When compressor is off, T4 is be lower than -35℃.for 10s, the AC will stop and display “LP”.
When compressor is on, T4 is be lower than -40
℃.for 10s, the AC will stop and display “LP”.
When T4 is no lower than -32
℃.for 10s, the unit will exit protection.
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