Sleep Mode; Auto-Restart Function; Automatic Panel Function; F(8°C) Heating - Heat Controller B-DVH09SD-0 Service Manual

DVC/DVH Inverter Mini-Split
automatically turn on when the Timer On set
time is reached.
9.9.6 Mode within Timer Funtion
The timer function will not change the current
operation mode.

9.10 Sleep Mode

9.10.1 Sleep Mode Duration
Sleep mode operates for 7 hours when it is
activated. After 7 hours, the unit turns off.
9.10.2 Sleep Mode Operation
When sleep mode is activated while the unit is
in cooling mode, the set temperature rises 1°
every hour for 2 hours. After 2 hours, the set
temperature stops rising and indoor fan is fixed
at low speed.
When sleep mode is activated while the unit is
in heating mode, the set temperature
decreases 1°every hour for 2 hours. After 2
hours, the set temperature stops rising and
indoor fan is fixed at low speed (Anti-cold wind
function will still have the priority).
9.10.3 Timer Function in Sleep Mode
The Timer function is still available during sleep
mode. When the timer off is set for less than 7
hours while in sleep mode, the sleep mode will
stop once the set time off is reached.
However, if the timer off is set for more than 7
hours, the unit will not stop operating until
reaches the set time in sleep mode.

9.11 Auto-Restart Function

In case of a sudden power failure, the unit will
memorize the set conditions before the power
failure. When the power returns, the unit will
resume its previous operation settings (except
for the swing function) automatically after 3
minutes.

9.12 Automatic panel function

The panel will automatically move to the closing
direction at an angle of 50° when the unit is
receiving power, and this action is not affected
by any signal from remote control.
9.12.1 Panel Operation when Powering On
When the unit is turned on, the panel is opened
automatically at an angle of 50° and then the
horizontal louver will open.
9.12.2 Panel Operation when Powering Off
When the unit is turned off, the panel is closed
automatically at an angle of 50° and then the
horizontal louver will close.
9.12.3 Panel Interference
If the panel is being closed when the horizontal
louver is still moving, the unit will stop the
horizontal louver from moving and allow the
panel to move first. After this, the horizontal
louver will continue its pervious movement.
9.13 47°F(8°C) Heating
Note: This is an optional feature and may not
be present on your actual model.
In heating operation, the set temperature of the
unit can be set as low as 47°F(8°C) in order to
keep the room temperature above freezing
when the house is unoccupied for an extended
period of time in severe cold weather.
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Heat Controller