Gree GWC09MA-K3NNA3D, Service Manual

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Technical Information
Service Manual
3. Other Control Function Introduction
(1) Timer function
Timer ON: If timer ON is set during operation of the unit, upon ON time reaches, the unit will continue to operate. 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, upon OFF time reaches, the unit 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 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 reaches.
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.
(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.
(8) Dual-8 nixie tube display
◆
When the air conditioner is turned on for the first time, dual-8 nixie tube defaulted to display current set temperature.
◆
When controller receives signal of display set temperature, dual-8 nixie tube displays set temperature. When received remote
control signal is switched to indoor ambient temperature display status signal from other display status, dual-8 nixie tube will display
indoor ambient temperature for 3-5s, and then turn back to display set temperature. If remote control to set other status, the display
O(0°)
Emergency
operation switch
Press
Press
ON status(Auto mode) OFF status