Gree GWH18RC-K3DNA2C, Service Manual

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Technical Information
Service Manual
When selecting " " by remote controller or no display, temperature indicator on indoor unit displays set temperature.
When selecting " " by remote controller, temperature indicator on indoor unit displays indoor ambient temperature.
When selecting " " by remote controller, temperature indicator on indoor unit displays outdoor ambient temperature.
Outdoor ambient temperature display may can’t be selected for some models.When indoor unit receives " " signal, it displays indoor
set temperature.
Only for the model whose indoor unit has dual-8 display.
11. TIMER-ON Button
Press this button to initiate the auto-ON timer. To cancel the auto-timer program, simply press this button again.
After press of this button, disappears and "ON" blinks. 00:00 is displayed for ON time setting. Within 5 seconds, press + or - button to
adjust the time value. Every press of either button changes the time setting by 1 minute. Holding down either button rapidly changes the
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12. CLOCK Button
Press CLOCK button,blinking. Within 5 seconds, pr or - button adjusts the present time. Holding down either button above 2
seconds increases or decreases the time by 1 minute every 0.5 second and then by 10 minutes every 0.5 second. During blinking after
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then will be constantly displayed.
13. TIMER-OFF Button
Press this button to initiate the auto-off timer. To cancel the auto-timer program, simply press the button again. TIMER OFF setting is the
same as TIMER ON.
14. TURBO Button
Press this button to activate / deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time.
In COOL mode, the unit will blow strong cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air at super
high fan speed.
15. LIGHT Button
Press LIGHT button to turn on the display's light and press this button again to turn off the display's light. If the light is turned on, is
displayed. If the light is turned off, disappears.
16. X-FAN Button
Pressing X-FAN button in COOL or DRY mode, the icon is displayed and the indoor fan will continue operation for 2 minutes in order
to dry the indoor unit even though you have turned off the unit.
After energization, X-FAN OFF is defaulted. X-FAN is not available in AUTO, FAN or HEAT mode.
Combination of "+" and "-" buttons: About lock
Press "+" and "-" buttons simultaneously to lock or unlock the keypad. If the remote controller is locked, is displayed. In this case,
pressing any button, blinks three times.
Combination of "MODE" and "-" buttons:About switch between Fahrenheit and centigrade
At unit OFF, press "MODE" and "-" buttons simultaneously to switch between °C and °F.
Combination of "TEMP" and "CLOCK" buttons:About Energy-saving Function
Press "TEMP" and "CLOCK" simultaneously in COOL mode to start energy-saving function.Nixie tube on the remote controller displays
"SE". Repeat the operation to quit the function.
Combination of "TEMP" and "CLOCK" buttons:About 8°C Heating Function
Press "TEMP" and "CLOCK" simultaneously in HEAT mode to start 8°C Heating Function Nixie tube on the remote controller displays
" " and a selected temperature of "8°C".(46°F if Fahrenheit is adopted). Repeat the operation to quit the function.
About Back-lighting Function
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About HEALTH function (COLD PLASMA)
Turn on the unit, start up the fan (Breezing and X-FAN are excluded) and press HEATLTH button on remote controller to start health
function (If there is not HEALTH button on remote controller, the unit defaults health function ON.)
Operation guide
1. After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner.
2. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN,HEAT.
3. Press "+" or "-" button to set your required temperature. (Temperature can’t be adjusted under auto mode).
4. Press "FAN" button to set your required fan speed: auto, low, medium and high speed.
5. Press "SWING" button to select fan blowing angle.