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Service Manual
the general timer function of controller can be activated; when you select the remote controller with clock timer, only the clock timer
function of controller can be activated.
① General timer: The precision of general timer is 0.5hour. 24hours circulated timer can't be set.
◆ Timer ON: Timer ON can be set at unit OFF. If selected ON time is reached, the unit will start to operate according to previous
setting status. Time setting range is 0.5~24hr in 30-minute increments.
◆ Timer OFF: Timer OFF can be set at unit ON. If selected OFF time is reached, the unit will stop. Time setting range is 0.5~24hr in
30-minute increments.
② Clock timer: The precision of clock timer is 1minute. 24hours circulated timer can be set.
◆ Timer ON: If timer ON is set during operation of the unit, the unit will continue to operate. If timer ON is set at unit OFF, upon ON
time reaches, the unit will start to run according to previous setting status.
◆ Timer OFF: If timer OFF is set at unit OFF, the system will keep standby status. If timer OFF is set at unit ON, upon OFF time
reaches, the unit will stop operation.
◆ Timer change:
Although timer has been set, the unit still can be turned on/off by pressing ON/OFF button on the remote controller. You can also reset
the timer.
If timer ON and timer OFF are set at the same time during operation of the unit, the unit will keep running at current status till OFF
time reaches. Upon ON time reached, the system will be turned on automatically. The unit will operate circularly like that every
24hours.
If timer ON and timer OFF are set at unit OFF status, the system keep OFF status till ON time reaches. Upon OFF time reaches, the
system will be turned OFF automatically. The unit will operate circularly like that every 24hours.
(2) Emergency operation switch
After pressing this button, the system will operate according under auto mode and the IDU fan motor operates at auto speed. Swing
motor operates when the IDU fan motor operates. Press this button again to turn off the unit.
(3) Sleep function
In this mode, the system will select proper sleep curve to operate according to different set temperature.
① If start up sleep function under cooling or drying mode, the system will increase set temperature automatically within a certain
range to operate.
② If start up sleep function under heating mode, the system will decrease set temperature automatically within a certain range to
operate.
(4) Turbo function
Turbo function can be set under cooling and heating modes. During operation of turbo function, the system operates at the maximum
fan speed.
(5) Dry function
Dry function can be set under cooling and drying modes. During operation of drying function, the fan will stop operation after operating
for a period of time when turning off the unit.
(6) Auto fan speed control
Auto fan speed control can be set under cooling, heating and fan mode. During operation of auto fan speed control, the IDU fan motor
will adjust the fan speed (high, medium or low speed) according to ambient temperature.
(7) Up&down swing control
① After energization, up & down swing motor will firstly have the horizontal louver rotate anticlockwise to position O to close air outlet.
If swing function has not been set after start-up of the unit, horizontal louver will turn clockwise to position D in heating mode, or turn
clockwise to level position L in other modes.
② If swing function is set when turning on the unit, the horizontal louver will swing between L and D.
Horizontal louver has 7 swing statuses:
◆ Stay at position L: control by remote controller:
◆ Stay at position A: control by remote controller:
◆ Stay at position B: control by remote controller:
◆ Stay at position C: control by remote controller:
◆ Stay at position D: control by remote controller:
◆ Swing between L and D: control by remote controller:
◆ Stop at any postion between L and D (angles between L and D are equiangular) and no display
on remote controller.
③ When turning off the unit, horizontal louver will close at position O.
④ Swing action is valid only when set swing command and the IDU fan motor is operating.
Technical Information
Emergency
Press
OFF status
operation switch
,
,
,
ON status(Auto mode)
Press
O(0°)
19
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