SiBE18-821_C SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series
Operation Manual 273
16 English
6
Characteristics of Heating Operation
Starting operation
Basic Operation Method (Use of Direct Buttons)
• The Operation lamp will be turned OFF
and the system will stop operating when
On/Off button is pressed again.
* While the system is in heating operation, the system
will be in fan operation for approximately one minute
in order to eliminate the heat in the indoor unit after
the heating operation comes to a stop.
Perform the following operation of the system in order to prevent the
degradation of the heating capability or cold winds from blowing out.
Defrosting
operation
Hot start
(VRV only)
Note
• Do not turn power OFF soon after the system stops operating.
Be sure to wait for at least five minutes so that the drain
discharging device will finish discharging the residual drain.
Otherwise, water leakage or failures may result.
• The system in heating operation generally requires a long time to
attain the set temperature compared with the system in cooling
operation.
It is recommended to start operating the system in advance by utilizing
the timer.
• The heating capability of the system will drop if the outdoor unit frosts
up. Therefore, the system will go into defrosting operation
automatically.
• The system will stop blowing out hot air, and “ ” (Defrost/Hot
start) will be displayed on the remote controller.
• The system will return to normal operation with an elapse of
approximately six to eight minutes (but not more than 10 minutes).
• When the system goes into heating operation, the wind will stop in
order to prevent cold air from blowing out of the system in defrosting
operation.
(In that case, “ ” (Defrost/Hot start) will be displayed on the
remote controller.)
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