Overheating Prevention Protection
If the evaporator tube temperature overheats , the outdoor fan stops operation . When the tube temperature re turn s to normal, the
outdoor fa n resumes operation.
Noise Silencing Protection
If the unit is turned off by pressing ON/OFF button or during mode switchover , the 4 - way valve stop s with a delay of 2 min utes.
2.3.4 Overcurrent Protection
This protection is the same as that in cooling m ode ( B ut indoor fan will blow residual heat).
2.4 Fan mode
In fan mode, indoor fan operates at set speed while the compressor, outdoor fan, 4 - way valve and electric heating tube stop operation .
In this mode, temperature setting range is 16
30 . The indoor unit displays operation icon and set temperature.
2.5 Auto Mode
In AUTO mode, the unit will automatically select its operation mode (cooling, heating or fan) with the change of ambient temperature.
The indoor unit displays the operation icon , operation mo de icon and set temperature. There is a 30 - second delay protection for mode
switchover . Protection functions are the same as those in any other mode.
3 Other Control
3.1 Timer function
G eneral timer and clock timer functions are compatible by equipping rem ote controller with different functions .
3.1.1 General Timer
Timer ON can be set at unit OFF . If selected ON time is reache d , the unit will start to operate according to previous setting status . Time
setting range is 0.5 - 24hr in 30 - minute increments .
Time r OFF can be set at unit ON . If selected OFF time is reache d , the unit will stop operation. Time setting range is 0.5 - 24hr in
30 - minute increments .
3.1.2 Clock Timer
Timer ON
If timer ON is set during operation of the unit, the unit will continue to opera te . If timer ON is set at unit OFF, upon ON time reaches the
unit will start to operate according to previous setting status.
Timer OFF
If timer OFF is set at unit OFF , the system will keep standby stat us. If timer OFF is set at unit ON, upon OFF time reac hes 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 of the remote controller. You can also set the
timer once again, and then the unit will operate according to the last setting.
If timer ON and timer OFF are set at the same time during operation of the unit, the unit will keep operating at current status till OFF time
re
aches .
If timer ON and timer OFF are set at the same time at unit OFF , the unit will keep off status till ON time reaches.
Each day in future , the system will operate according to preset mode till OFF time reaches and stop operation till ON time reaches. If ON
time and OFF time are the same, OFF command will prevail.
3.2 Auto Button
If this button is pressed, the unit will operate in AUTO mode and indoor fan will operate at auto speed; meanwhile, the swing motor
operates . Press this button again to turn off the unit.
3.3 Buzzer
Upon energization or availably opera ting the unit or remote controller , the buzzer will give out a beep.
3.4 Sleep Function
In SLEEP mode, the unit will automatically select appropriate sleep curve to operate according to different temperature setting.
3.5 Turbo Function
This function can be set in cooling or heating mode to qui ckly cool or heat the room.
3.6 X - FAN Function
This function can be set in COOL or DRY mode.
3.7 Automatic Control of Fan Speed
In this mode, the indoor fan will automatically select high, medium or low speed with the change of ambient temperature.
3.8 U p & Down Swing
After energization, up & d own swing motor will firstly have the horizontal louver rotate anticlockwise to position 0 to close air outlet.
I f swing function has not been set a fter startup of the unit, horizontal louver will tu rn clockwise to position D in HEAT mode, or turn
clockwise to level position L in other modes.
If swing function is set when starting up the unit, the horizontal louver will swing between L and D.
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