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Service Manual - DVC 09/12/18/24 SF Series
7.4.9 Auto-Restart function
The indoor unit is equipped with auto-restart
function, which is carried out through an
auto-restart module. In case of a sudden power
failure, the module memorizes the setting
conditions before the power failure. The unit will
resume the previous operation setting (not
including swing function) automatically after 3
minutes when power returns.
If the memorization condition is forced cooling
mode, the unit will run in cooling mode for 30
minutes and turn to auto mode as 24℃ setting
temp.
If AC is off before power off and AC is required
to start up now, the compressor will have 1
minute delay when power on. Other conditions,
the compressor will have 3 minutes delay when
restarts.
7.4.10 Refrigerant Leakage Detection
With this new technology, the display area will
show "EC" when the outdoor unit detects
refrigerant leakage. This function is only
available in cooling mode.
7.4.11 Louver Position Memory Function
When starting the unit again after shutting
down, its louver will restore to the angle
originally set by the user, but the
precondition is that the angle must be within
the allowable range, if it exceeds, it will
memorize the maximum angle of the louver.
During operation, if the power fails or the end
user shuts down the unit in the turbo mode,
the louver will restore to the default angle.
7.4.12 Follow me (optional)
1)
If the indoor PCB receives the signal which
results from pressing the FOLLOW ME button
on remote controller, the buzzer will emit a
sound and this indicates the follow me function
is initiated. But when the indoor PCB receives
signal which sent from remote controller every
3 minutes, the buzzer will not respond. When
the unit is running with follow me function, the
PCB will control the unit according to the
temperature from follow me signal, and the
temperature
collection
temperature sensor will be shielded, but the
error detective function of room temperature
sensor will be still valid.
2)
When the follow me function is available,
the PCB will control the unit according to the
room temperature from the remote controller
and the setting temperature.
3)
The PCB will take action to the mode
change information from remote controller
signal, but it will not affected by the setting
temperature.
4)
When the unit is running with follow me
function, if the PCB doesn't receive any signal
from remote controller for 7 minutes or pressing
FOLLOW ME button again, the follow me
function will be turned off automatically, and the
temperature will control the unit according to
the room temperature detected from its own
room
temperature
temperature.
7.4.13 Silence operation (optional)
Press the "silence" button on remote controller
to initiate SILENCE function. When the Silence
function is activated, the compressor running
frequency will keep lower than F2 and the
indoor unit will bring faint breeze, which will
reduce the noise to the lowest level and create
a quiet and comfortable room for you.
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29
function
of
room
sensor
and
setting
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