Gree GWH09RB-K3DNA2C Service Manual page 32

Function and Control
Designation of sensors
Indoor ambient temperature
Indoor tube temperature
Outdoor ambient temperature
Outdoor tube temperature
Exhaust
Overload
3. Other Controls
(1) ON/OFF
Press the remote button ON/OFF: the on-off state will be changed once each time you press the button.
(2) Mode Selection:
Press the remote button MODE, then select and show in the following ways: AUTO, COOL, DRY, FAN, HEAT, AUTO.
(3) Temperature Setting Option Button
Each time you press the remote button TEMP+ or TEMP-, the setting temperature will be up or down by 1
Range: 16~30 , the button is useless under the AUTO mode.
(4) Time Switch
You should start and stop the machine according to the setting time by remote control.
(5) SLEEP State Control
a. When the air conditioner is under the mode of COOL, and the SLEEP mode has been set well, after the SLEEP
state keeps about 1 hour, the pre-setting T will raise 1 , and it will raise 1
then it will run on at the setting temperature and wind speed.
b. When the air conditioner is under the mode of HEAT, and the Timer has been set well, after the SLEEP state keeps about
1 hour, the pre-setting T will reduce 1
run on at the setting temperature and wind speed.
c. The setting temperature keeps the sam
(6) Indoor Fan Control
Indoor fan could be set at ultra-high, high, medium, low speed by wireless remote controller and operated as that speed.
Auto fan speed could be set as well, indoor fan will operate under auto fan speed as following:
1. Under heating mode: auto speed under heating or auto heating mode:
a. When Tamb.≤Tpreset+1 , indoor fan will operate at high speed;
b. When Tpreset+1
c. When Tamb.≥Tpreset+3 , indoor fan will operate at low speed;
There should be at least 180s operation time during switchover of each speed.
2. Under cooling mode: auto speed under cooling or auto cooling mode:
a. When Tamb. Tpreset+2 , indoor fan will operate at high speed;
b. When Tpreset Tamb. Tpreset+2 , indoor fan will operate at medium speed;
c. When Tamb.≤Tpreset, indoor fan will operate at low speed
There should be at least 180s operation time during switchover of each speed.
(7) Buzzer Control
The buzzer will send a "Di" sound when the air conditioner is powered up or received the information sent by the remote
control or there is a button input, the single tube cooler doesn't receive the remote control ON signal under the mode of
heating mode.
(8) Auto button
If the controller is on, it will stop
pressing the button, swing on and light on, and the main unit will run based on the remote control if there is remote control
order.
(9) Up-and-Down Swinging Control
When power on, the up-and-down motor will firstly move the air deflector to o counter-clockwise, close the air outlet.
After starting the machine, if you don't set the swinging functi on, heating mode and auto-heating mode, the up-and-down
air deflector will move to D clockwise; under other modes, the up-and-down air deflector will move to L1. If you set the
swinging function when you start the machine, then the wind blade will swing between L and D. The air deflector has 7
Faults
The sensor is detected to be open-circuited or short-circuited for successive 5
seconds
The sensor is detected to be open-circuited or short-circuited for successive 5
seconds
The sensor is detected to be open-circuited or short-circuited for successive 30
seconds
The sensor is detected to be open-circuited or short-circuited for successive 30
seconds, and no detection is performed within 10 minutes after defrost begins.
After the compressor has operated for 3 minutes, the sensor is detected to be
open-circuited or short-circuited for successive 30 seconds.
After the compressor has operated for 3 minutes, the sensor is detected to be
open-circuited or short-circuited for successive 30 seconds.
, and it will reduce 1
e under the FAN mode and AUTO mode.
Tamb. Tpreset+3 , indoor fan will operate at medium speed;
by pressing the button, and if the controller is off, it will be automatic running state by
again after 2 hours, so it raise 2
again after 2 hours, so it reduce 2
. Regulating
in 2 hours,
in 2 hours, then it will
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