Service manual

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CONTROL
Save Setting for Heating:
Under on state or in the Heating mode of the unit, press Function to enter the Save setting interface and then press
▲or ▼ to adjust upper limited value in the Heating mode. After that, press Enter/Cancel to activate the Save function for
heating. The upper initial limited value in the Heating mode is 20
℃
.
After the Saving function is activated, press Function to enter the Save setting interface and then press Enter/Cancel
to cancel this function.
Notes:
a. If press Function on the Save setting interface or if there is not any operation for 5s after last button press, the
Save setting will be canceled automatically by the system, with memorizing the present setting data.
b. When power is on after the power failure, the Save function will be memorized.
◆
E-heater Setting
E-heater (auxiliary electric heating function): In the Heating mode, E-heater is allowed to be turned on for
improvement of efciency.
Once the wired controller or the remote controller enters the Heating mode, this function will be turned on
automatically.
Press Function in the Heating mode to enter the E-heater setting interface and then press Enter/cancel to cancel this
function.
Press Function to enter the E-heater setting interface, if the E-heater function is not activated, and then press Enter/
Cancel to turn it on.
◆
Blow Setting
Blow function: After the unit is turned off, the water in evaporator of indoor unit will be automatically evaporated to
avoid mildew.
In the Cooling or Dry mode, press Function till the unit enters the Blow setting interface and then press Enter/Cancel
to active this function.
When the Blow function is activated, press Function to the Blow setting interface and then press Enter/Cancel to
cancel this function.
Notes:
a. When the Blow function is activated, if turning off the unit by pressing On/Off or by the remote controller, the
indoor fan will run at the low fan speed for 10 min, with “BLOW” displayed on the LCD. While, if the Blow function is
deactivated, the indoor fan will be turned off directly.
b. Blow function is unavailable in the Fan or Heating mode.
◆
Quiet Setting
Quiet function consists of two kinds: quiet and auto quiet.
Press Function till the unit enters the Quite setting interface, with “Quiet” or “Auto” blinking. In this case, press ▲or
▼ to switch between Quiet and Auto and then press Enter/cancel to make a conrmation.
When the Quiet function is activated, press Function till the unit enters the Quite setting interface, with “Quite” or
“Auto” blinking. Then press Enter/cancel to cancel this function.
Notes:
a. When the Quite function is activated, the fan speed is low and un-adjustable.
b. When the Auto Quite function is activated, the unit will run according to the difference between the room
temperature and the setting temperature. In this case, the fan speed is adjustable.
Difference between the room temperature and the setting temperature: the fan speed will keep its current state if the
temperature difference
≥
4
℃
; the fan speed will reduce one grade if 2
℃≤
the temperature difference
≤
3
℃
; the fan
speed will be at min. grade if the temperature difference
≤
1
℃
.
c. When the Auto Quiet function is on, the fan speed can not be raised but reduced. If the high fan speed is manually
adjusted, the function will quit automatically.
d. There is not Auto Quiet function in the Fan or Dry mode. Quiet off is default after power failure and then power
recovery.
◆
Other Functions
1) Lock
Upon startup of the unit without malfunction or under the “Off” state of the unit, press ▲ and ▼ at the same time for
5s till the wired controller enters the Lock function. In this case, LCD displays . After that, repress these two buttons at
the same time for 5s to quit this function.
Under the Lock state, any other button press won’t get any response.
2) Memory
Memory switchover: Under the “Off” state of the unit, press Mode and ▲ at the same time for 5s to switch memory
states between memory on and memory off. When this function is activated, Memory will be displayed. If this function is
not set, the unit will be under the “Off” state after power failure and then power recovery.
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