Hisense AS-07UR4SYDDB15, Service Manual, Page: 34 / 59

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A
：
The accumulated time of defrosting is longer than 12 minutes (EEPROM setting value in the current
operating mode);
B
：
If the temperature of coiled pipe is equal to or higher than 14 degrees centigrade (EEPROM setting value
in the current operating mode);
Actions of exiting the defrosting state:
The compressor stops, and 50 seconds later the four-way valve opens, and another 10 seconds later the
compressor and outdoor fan restart and begin normal operation.
6. Electrical Characteristics
6-­‐1. Print Circuit Board (Indoor & Outdoor)
Model Indoor unit Outdoor unit
AS-07UR4SYD DB15 1550982 OU-PCB-SYD/SVE
AS-09UR4SYD DB15 1550982 OU-PCB-SYD/SVE
AS-1 1 UR4SYD DB15 1550982 OU-PCB-SYD/SVE
AS-18UR4SUA DB5
1550982 1570567
AS-24UR4SFB DB5 1564090
???????? + 1570567
AS-1 3 UR4S V D DB5 1550982 OU-PCB-SYD/SVE