24 Specifications subject to change without notice. SG-38MHRC-01
DEFROST Mode
The air conditioning unit enters the DEFROST mode according to the value of temperature of T3 and the value range of temperature change of
T3 plus the compressor running time (see Fig. 28).
During the DEFROST mode, the compressor keeps running however the indoor and outdoor motors stop.
Forced DEFROSTING Mode:
1. Press and hold AUTO/COOL for 5s to enter the mode. The indoor
fan stops and the defrosting lamp illuminates. Use the remote
control to exit this mode and turn off the unit to stop the normal
defrosting mode.
2. To exit the FORCED DEFROSTING mode, press and hold
AUTO/COOL for 5s again.
Fig. 28 — Defrost Chart
Defrost Exit Conditions: Any of the following conditions will cancel the DEFROST mode and change the unit’s operating mode to normal
HEATING:
NOTE: T3 temperature refers to the sensor reading at the time when the DEFROST mode begins.
• T3 temperature rises above 59F (15C).
• T3 temperature remains above 46
F (8C) for more than 80 seconds.
• The unit has been in the DEFROST mode for 10 minutes.
The indoor unit defrost lamp illuminates and the
logo appears.
Compressor run Ɵme Temperature Change
CondiƟon 1 Total compressor running Ɵme is 29 mins T3-7Ԩ & T30-2.5Ԩ
CondiƟon 2 Total compressor running Ɵme is 35 mins T3 -5Ԩ & T30-3Ԩ
CondiƟon 3 Total compressor running Ɵme is 40 mins T3 -24Ԩ for 3 mins
CondiƟon 4 Total compressor running Ɵme is 120 mins T3 -15Ԩ
CondiƟon 5 Total compressor running Ɵme is 120 mins T3 or T4 ч -3Ԩ
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