Gree GWH09UB-K6DNA4A Service Manual page 33

Service Manual
5.Other control
(1)Timer function
Timer ON: Timer ON can be set under off status. After time is over, the unit will operate at original setting mode. The timer interval is 0.5h
and the timer setting range is 05~24h.
Timer OFF: Timer OFF can be set under on status. After time is over, the unit will be turn off. The timer interval is 0.5h and the timer
setting range is 05~24h.
(2)Auto button
Press this button and the unit will operate at auto mode. Indoor fan operates at auto fan speed and the swing motor operates. Press
this button again to turn off the unit.
(3)Buzzer
Upon energization or availably operating the unit or remote controller, the buzzer will give out a beep.
(4)Sleep function
In SLEEP mode, the unit will automatically select appropriate sleep curve to operate according to different temperature setting.
(5)Turbo Function
This function can be set in cooling or heating mode.
(6)X-fan function
X-fan function can be set in cooling or drying mode.
(7)Compulsory defrosting function
① turn on compulsory defrosting function
Under on status, set heating mode with remote controller and adjust the temperature at 16°C. When pressing "+, -, +, -, +, -" button
successively within 5s and the complete unit will enter into compulsory defrosting status. Meanwhile, operation indicator on indoor unit
is on 10s and off 0.5s circularly. (Note: If the complete has malfunction or stops operation due to protection, compulsory defrosting
function can be started up only after malfunction or protection is resumed.)
② Exit copulsory defrosting mode
After compulsory defrosting is started up, the complete unit will exit defrosting according to actual defrosting result automatically. The
complete unit will resume heating operation normally.
(8)Refrigerant recovery function (applicable for movement or maintenance)
① Start up refrigerant recovery function
Within 5min after energization (on or off status), set cooling mode with remote controller and adjust the temperature at 16°C. When
pressing light button on remote controller to any one indoor unit for 3 times within 3s, the complete unit will enter into refrigerant
recovery status after setting is succeeded and all indoor unit displayed F0. After that, maintenance staff turns off all liquid valves.
5min later, hold all thimbles at service valves in turn with tools. If theres no refrigerant spurting out, turn off corresponding gas valve
immediately, turn off the unit with remote controller and then you can disassemble the connection pipe.
② Quit refrigerant recovery function
During refrigerant recovery process, if any one indoor unit receives any remote control signal or refrigerant recovery function has
operated for 25min, the unit will exit refrigerant recovery function. If the complete unit is at standby status before refrigerant recovery,
the unit is still at standby status after refrigerant recovery. If the complete unit is at operation status before refrigerant recovery, the
unit will operate at original operation mode after refrigerant recovery.
③ After entering refrigeratn recovery function
Indoor unit operates at cooling mode. Fan speed is super high fan speed and the set temperature is 16°C. The horizontal louver will
stay at the minimum operation angle.
(9)Auto fan speed control
Under this mode, indoor fan will select high, high-medium, medium, medium-low or low fan speed according to ambient temperature
sensor.
(10)Left&right swing control
Select different left&right swing direction according to remote control status of left&right swing.
① ⑤
(11)Up&down swing control
④
②
③
Up&down swing is composed of swing mechanism and swing blade;
After energization, the swing mechanism will perform reset action. The horizontal louver will open to the maximum angle and then be
closed;
After turning on the unit, the swing mechanism will extend different length according to remote control status. By view of the position
Technical Information
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