Internal protections via the unit control system
This internal protection operates if an internal fault occurs in the air conditioner.
Type Description
Against cold air
The internal fan will be off to against cold air when the heat pump is
heating.
De-ice cycle
The internal fan will be off to against cold air when the heat pump is
heating.
Anti-protection of
internal battery
The compressor will be off to protect internal battery when the air
conditioner operates in Cool mode.
Protect compressor
The air conditioner does not start operating immediately to protect the
compressor of the outdoor unit after it has been started.
If the heat pump is operating in Heat mode, De-ice cycle is actuated to remove frost from
an outdoor unit that may have deposited at low temperatures.
The internal fan is switched off automatically and restarted only after the de-ice cycle is
completed.
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