Mitsubishi Electric WSH-ZM35I BEDRAAD SET, Руководство по обслуживанию

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47
OCH751
Phone Calls From Customers How to Respond Note
Something
is wrong
with the
blower…..
3
Air blows out for a while after
HEAT operation is stopped.
3
This is not a malfunction.
The blower is operating just for cooling down the
heated-up air conditioner. This will be done within
1 minute.
This control is conducted only when the HEAT
operation is stopped with the electric heater ON.
However, this control is
also applied to the models
which has no electric
heater.
Something
is wrong
with the
airflow
direction….
1
The airflow direction is
changed during COOL opera-
tion.
1
If the up/down vane is set to downward in COOL
operation, it will be automatically set to horizontal
blow by the microprocessor in order to prevent
water from dropping down.
“1 h” will be displayed on the remote controller if
the up/down vane is set to downward with the
fan speed set to be less than “LOW”.
-
2
The airflow direction is
changed during HEAT opera-
tion.
(The airflow direction cannot
be set by remote controller.)
2
In HEAT operation, the up/down vane is auto -
matically controlled according to the temperature
of the indoor unit’s heat exchanger.
In the following cases written below, the up/down
vane will be set to horizontal blow, and the set -
ting cannot be changed by remote controller.
1) At the beginning of the HEAT operation
2) While the outdoor unit is being stopped by
thermostat or when the outdoor unit gets start -
ed to operate.
3) During DEFROST operation
The airflow direction will be back to the setting
of remote controller when the above situations
are released.
“Heat Standby ” will be
displayed on the remote
controller in the case of
1
and
2
. “Heat Defrost ” will
be displayed on the screen
in the case of
3
.
3
The airflow direction does not
change.
(Up/down vane, left/right louver)
3
1) Check if the vane is set to a fixed position.
(Check if the vane motor connector is removed.)
2) Check if the air conditioner has a function for
switching the air direction.
3) If the air conditioner does not have that
function, “Unsupported function” will be dis -
played on the remote controller when “AIR
DIRECTION” or “LOUVER” button is pressed.
-
The air conditioner starts operating even
though any buttons on the remote controller
are not pressed.
1
Check if you set ON/OFF timer.
The air conditioner starts operating at the time
designated if ON timer has been set before.
-
2
Check if any operations are ordered by distant
control system or the central remote controller.
While “Centrally controlled” is displayed on the
remote controller, the air conditioner is under the
control of external directive.
There might be a case that
“Centrally controlled” will
not be displayed.
3
Check if power is recovered from power failure
(black out).
The units will automatically start operating when
power is recovered after power failure (black out)
occurs. This function is called “auto recovery fea-
ture from power ”.
-
The air conditioner stops even though any
buttons on the remote controller are not
pressed.
1
Check if you set ON/OFF timer.
The air conditioner stops operating at the time
designated if OFF timer has been set before.
2
Check if any operations are ordered by distant
control system or the central remote controller.
While “Centrally controlled” is displayed on the
remote controller, the air conditioner is under the
control of external directive.
There might be a case that
“Centrally controlled” will
not be displayed.