Heat Controller BG-101G, Руководство по обслуживанию

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5. PROTECTION FUNCTION
5.1 Symbol & Meaning
TA: Indoor ambient temperature;
TE: Indoor evaporator temperature;
TS: Setting temperature through the remote controller.
5.2 Protection Function

3 minute compressor time delay
The compressor will wait for 3 minutes before restarting, so as to prevent the pressure
imbalance in refrigerant system from resulting in compressor rotor locking.

Anti-freezing protection in cooling or dry mode
Anti-freezing function is activated according to TE.
If TE is lower than 33.8°F (1
℃
) for 14 minutes, the evaporator anti-freezing protection will be
activated. The compressor will turn off for 5 minutes. 5 minutes later, if the evaporator pipe
temperature is still lower than 33.8°F (1
℃
), the compressor remain off; when it gets higher
than 33.8°F (1
℃
), the compressor will restart and the antifreeze function will be cancelled.
Note:
If the compressor stops operation, the time will be cleared.
If the fan motor turns to High speed or the indoor ambient temperature gets over 78.8°F
(26
℃
), the time will keep inactive, not be cleared.

Anti-frosting protection and defect at cooling or dry mode
After compressor runs for 3 minutes, if TE is less than 5°F (-15
℃
) for the subsequent 3
minutes, the anti-frosting protection will be activated and the compressor will stop for the
following 6 minutes. After that time, if the condition for de-frosting function is met again in the
following 10 minutes while the compressor is operating, the unit will display ‘
Ed
’ to indicate that
the unit is in the defrost mode defect. The compressor and fan motor will turn OFF
 Note: The Defect display can be cancelled only by pressing the ON/OFF button on the unit
or the remote controller.
Service Manual Room Air Conditioner with R-410A Heat Controller, Inc.
8