Gree Bright Series, Manual

Page: 36 / 79

T
preset
+4 ℃
T
preset
+
2
℃
Compressor
Outdoor fan
Indoor fan
reversal
valve
T
amb
6
min.
6
min.
3
min.
2
min.
2
min.
Run
Stop
Start
heating
Original operating status
Stop
heating
low
low
speed
speed
6.2.2.3.2 Display
The display window will display run icon, heating icon and the set temperature.
6.2.2.3.3 Protection
High Temp
.
Protection
If it is detected that the evaporator tube temperature is too high, the outdoor fan will be stopped. When the tube
temp.
resumes to normal, the outdoor fan will be restarted.
Noise Silencing Protection
If the unit is stopped by pressing ON/OFF,
or mode switching,
the
reversal
valve will be stopped after 2-minute lag
.
Over
current
Protection
is the same as that under cooling mode( only indoor fan will run at low speed for 60 seconds
before it is stopped).
Indoor fan motor locked protection is the same as that under cooling mode.
6.2.2.3.4 Working Conditions and Process of Defrosting
Upon meet the defrosting condition
, the system will enter into defrosting status, in which case the compressor
will
continue to run,
the outdoor fan, 4-way valve and indoor fan will be stopped and the running indicator will blink.
When it is detected that the frost in condenser is completely eliminated, the outdoor fan, 4-way valve and indoor fan
will be
started , the compressor will keep running, and the
running
indicator will stop blinking.
The first defrost after energization will last
10
minutes. Later, the defrost time can be adjusted according to the
quantity of frost. Defrost takes longer if more frost (Max. 12 minutes) and takes shorter if less frost (Min.
4.0
minutes).
The system will exit defrost mode upon completion of defrosting.
6.2.2.4 Fan mode
Under FAN mode, only the indoor fan runs at preset speed
, the compressor,outdoor fan and 4-way valve are stop.
Under this mode,the temperature can be set within a range from 16 to 30 .
Display : The display window will display run icon and the set temperature.
Indoor fan motor locked protection is the same as that under cooling mode.
6.2.2.5 Auto Mode
Under this mode, the system will automatically select its run mode (cool, dehumidify, heat or fan) with the change of
ambient temperature.
Cooling only unit has no heating function.
Display : The display window will display run icon, current mode icon and the set temperature.
For protection function, same as under cooling,dehumidifying,fan and heating mode.There is 30s delay for mode switch.
6.2.3.Timer Function
6.2.3.1 AUTO ON
6.2.3.2 AUTO OFF
To set AUTO ON function
when the unit is under STOP status,
after reaching the time of AUTO ON, the controller will run
under preset mode. The time interval for AUTO
ON
is 0.5h and can be set within 0.5 - 24 hours.
You can set AUTO OFF function when the unit is under ON status. After reaching the time of AUTO OFF, the system will be
switched off. The time interval for AUTO OFF is 0.5h, and can be set within 0.5 - 24 hours.
In this mode, according to the change of ambient temperature, indoor fan will select High,Middle and Low fan speed auto
6.2.3.3 Automatic Control of Fan Speed
- matically with an interval of changing at leasts 3mins among the wind speeds ( first enter into Auto fan speed or mode
switch,there is no 3mins and 30 s delay).
6.2.3.4 Swing motor control
6.2.3.4.1 Swing UP/DOWN