Low Temperature Protection Control
It turns the A/C relay OFF and stops the compressor by the signal from unified meter and A/C amp. according to the evaporator passing air temperature detected by the intake sensor.
It turns the compressor to OFF when the evaporator passing air temperature becomes -5°C (23°F) or less. In addition, it turns the compressor to ON when the evaporator passing air temperature becomes 1°C (34°F) or more.