Low temp makes start hard and frost; needs wide-temp and defrost.
1. Wide start
-40C wide-temp compressor + heater belt.
2. Defrost
Auto defrost in cold humid frost.
3. Heat mode
Heat-pump models keep cabinet warm.
| Item | Note |
|---|---|
| Start | -40C wide |
| Defrost | auto |
| Heat | pump opt |
HCK cabinet AC with wide-temp and defrost fits north and high altitude.