Samsung 018 Series User & Installation Manual page 23

Internal protections via the unit control system
This internal protection operates if an internal fault occurs in the air conditioner.
Type
Prevent cold air
De-ice cycle
Anti-Freezing of Indoor Heat
Exchanger
Protect compressor
• 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.
NOTE
• The internal fan is switched off automatically and restarted only after the de-ice cycle is completed.
The internal fan not operate to prevent cold air blowing when the heat pump is
heating until it has warmed up.
The internal fan will be off to prevent cold air blowing when the heat pump is in
heating mode and De-icing.
The compressor will be off if the heat exchanger temp of indoor unit decrease to
0 °C or more to prevent the ice on the heat exchanger.
The air conditioner does not start operating immediately to protect the compressor
of the outdoor unit after it has been started.
Description
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