Gree Bright Series, Manual

Page: 35 / 79

Indoor fan motor locked protection
1) When motor locked protection occurs, all loads stop (indoor fan, outer fan, compress etc, 4-way valve stop after 2 mins lag).
2) Once the motor locked protection occurs, it is need to power off the unit and then power on to resume to work.
3) When motor locked protection occurs, both the remote control receiving and pressing is available, but does not for specific
4) When motor locked protection occurs, if the unit is under "on" status, the malfunction indicator will display:if the unit is under
"H6" and the running indicator will blink.
control.
"off" status, the malfunction indicator will be turned off.The specific display method method: the dual 8 nixietube will display
Note: It will be treated as locked while the motor rotating speed is too low.
6.2.2.2 Dehumidifying Mode
6.2.2.2.1 Working Conditions and Process of Dehumidifying
When T
amb.
> T
preset
+2 , the unit will run under dehumidifying and cooling mode, in which case the
compressor and
℃
outdoor fan will start to run, the indoor fan will run at low
speed.
When T
preset
-2 ≤ T
℃
amb.
≤ T
preset
+2 , the unit will run under dehumidifying mode, in which case
the indoor fan will keep
℃
run at low speed, while the compressor and outdoor fan will run 6 minutes and stop 4 minutes so repeated in cycle.
When T
amb
.< T
preset
-2
℃
,
the compressor and outdoor fan will be stopped and the indoor fan will run at low speed.
Under this mode, the reversal valve will be de-energized and the temperature can be set within a range from 16 to
30
℃
.
T
preset
+2 ℃
T
preset
-2 ℃
T
amb
Compressor
Outdoor fan
Indoor fan
Cooling
Dehumidifying
Stop
6 min
.
6 min
.
4
min.
4
min.
low
speed
Run
Stop
6.2.2.2.2 Display
The display window will display run icon, dehumidifying icon and the set temperature.
6.2.2.2.3 Protection
Antifreeze Protection
Under dehumidifying and cooling mode, i
f it is detected that the system is under antifreeze protection, the compressor
and outdoor fan will be stopped,
and the indoor fan will run at low speed. When antifreeze protection is released and
the compressor has stopped
for 3 minutes, the complete unit will resume its original operating status.
Upon meeting "run 6 mins and stop 4 mins" dehumidify condition, i
f it is detected that the system is under antifreeze pro
-
tection,the compressor and outdoor fan will be stopped,
and the indoor fan will run at low speed. When antifreeze protection
is released and the compressor has stopped
for
4
minutes, the complete unit will resume its original operating status.
During antifreeze protection
3
min
. Compressor
Outdoor fan
Indoor fan
Run
Stop
low
speed
Over
current
Protection
and Indoor motor locked protection are the same as that under cooling mode
6.2.2.3 Heating Mode( cooling only unit hasn't this mode)
6.2.2.3.1 Working Conditions and Process of Heating
When T
amb.
≤ T
preset
+2 , the unit will run under heating mode, in which case the
reversal
valve, compressor and
℃
outdoor fan will be simultaneously started, and the indoor fan will be started after 2 minutes the latest.
If T
amb.
≥ T
preset
+4 ,
the compressor and outdoor fan will be stopped, the reversal valve is still energized and the
℃
indoor fan will run at low speed for 60 seconds before it is stopped.
When T
preset
+2 <T ℃
amb.
< T
preset
+4 , the unit will maintain its original operating status. ℃
Under this mode,the temperature can be set within a range from 16 to 30 .
Bright Series