Brief Description Of Modes And Functions - Gree GVH24AK-K3DNC6A Service Manual

6.4 Brief Description of Modes and Functions

Indoor Unit
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Basic Functions
1.Cooling mode
Under this mode, the fan motor and swing mode will operate according to the setting status; temperature setting range is 16~30℃ , and the
initial value is 25℃ .
When there is malfunction for outdoor unit or protection, the indoor unit will keep the original operating status and error code is displayed.
2.Drying mode
Under this mode, the fan motor operates at low speed and swing operates at set status. Temperature setting range is 16~30 ℃ , and the
initial value is 25℃ .
When there is malfunction for outdoor unit or protection, the indoor unit will keep the original operating status and error code is displayed.
3.Heating mode
Under this mode, temperature setting range is 16~30℃ , and the initial value is 25℃ .
Operation condition and process for heating:
When the operation status of compressor sent by outdoor unit is ON under heating, indoor unit operates at cold air prevention condition.
When the operation status of compressor sent by outdoor unit is OFF, indoor fan operates at residential heat-blowing condition.
4.Fan mode
Under this mode, IDU fan motor can operate at high, medium, low or auto speed.
5.Auto mode
Under this mode, operation mode is conducted according to the ambient temperature and the following conditions:
When Tamb.>26℃ , the unit operates under cooling mode. Indoor set temperature is 26℃ ;
When 20℃≦ Tamb. ≦ 26℃ , the unit operates under drying mode. Indoor set temperature is 24℃ ;
When Tamb.<20℃ , the unit operates under heating mode. Indoor set temperature is 20℃ ; When Tamb.≥24℃ , the unit exits heating mode.
If the unit is cooling only type, when Tamb.<20℃ , the unit operate at fan mode. Indoor set temperature is 20℃ . When Tamb.≥24℃ , the unit
exits fan mode.
Other functions
1.E-heater
When e-heater is set by remote controller or button:
When IDU fan motor operates and e-heater operation status is satisfied, e-heater starts operation;
When it reached to certain condition, e-heater stops operation.
2.Swing function
Swing function is different for different models. As for up & down swing and left & right swing, the swing angle will be different for different
structure and motor.
3.Turbo
Under heating or cooling mode, turbo function can be turned on or turned off by remote controller or button (turbo function is not available for
auto, dry and fan mode). After setting turbo mode, IDU fan motor operates at super-high speed.
4.X-fan
X-fan can be turned on or turned off under cooling or drying mode ( x-fan mode is not available for auto, heating and fan mode). After turning
on the x-fan mode and turning off the unit, IDU fan motor operates at low sped for 10 minutes (within these 10min, swing operates at original
status, while other loads all stop operation) and then stop operation. After turning off x-fan mode, press on/off button to turn off the unit.
5.Timer
Timer can be turned on or turned off by remote controller or buttons. Timer setting range is 0.5~24hours.。
6.Sleep
① Under cooling or drying mode, when the unit starts operating under sleeping mode, the set temperature will increase but no more than 3℃ ,
and then the unit operates at that temperature.
② Under heating mode, when the unit starts operating under sleeping mode, set temperature will decrease but no more than 3℃ , and then
the unit operates at that temperature.
7.Buzzer
Upon energization or receiving available signal of remote control, the buzzer will give out a beep.
8.Compulsory operation function of IDU
Enter into compulsory operation control: within 5min after energizing the unit, press light button on remote controller for 3 times successively
within 3 seconds to enter into Freon recovery mode. Fo is displayed and send Freon recovery mode successively for 25min, and all loads
will operate under cooling mode (set fan speed as high speed and set temperature as 16℃ ).
Exit compulsory operation control: Freon recovery mode will be exited when receiving any remote control signal or button signal. Or Freon
recovery mode will be exited after operating for 25min, and then the unit will be turned off automatically.
9.Display
9.1. Function: when selecting auto, drying, swing, timer, purity, e-heater, set, room temperature, or clean function, the corresponding
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Service Manual
Technical Information