8 | Operation
Installer and user reference guide
24
FXMQ-A
VRV system air conditioner
4P701548-1 – 2022.07
8.2.2 Special heating operation modes
Operation Description
Defrost To prevent a loss of heating capacity due to frost accumulation
in the outdoor unit, the system will automatically switch to
defrost operation.
During defrost operation, the indoor unit fan will stop
operation, and the following icon will appear on the home
screen:
The system will resume normal operation after approximately 6
to 8 minutes.
Hot start During hot start, the indoor unit fan will stop operation, and the
following icon will appear on the home screen:
8.3 To operate the system
INFORMATION
For setting of the operation mode or other settings, see the reference guide or
operation manual of the user interface.
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