Gree Cozy Series Service Manual page 38

DRY Modes
When Tamb. Tpreset 2 , the unit will run under DRY cooling mode, in which case the compressor and outdoor fan will
be started and the indoor fan will run at low speed.
When Tpreset 2 Tamb.
the compressor and outdoor fan will be stopped after 6mins. After 4 minutes, the compressor and outdoor fan will be restarted. The
dehumidifying process is so repeated in cycle.
When Tamb. Tpreset
Under this mode, the switchover valve will not be powered on and the setting temperature range is 16-30
Protection
Antifreeze Protection
Under dehumidifying and cooling mode, i f it is detected that the system is under antifreeze protection, the compressor and
and outdoor fan will be stopped, and the indoor fan will run at low speed. When antifreeze protection is released and the
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
protection,the compressor and outdoor fan will be stopped, and the indoor fan will run at low speed. When antifreeze prote-
ction is released and the compressor has stopped for 4 minutes, the complete unit will resume its original operating
Other protection
status.
The other protections are the same with that under Cool mode.
HEAT Mode (there is no this mode for cooling only unit)
The conditions and process of heating
When Tamb Tset 2
outer fan enter simultaneously running.The indoor fan will delay at most for 2min to run.
When Tamb Tset 4
the indoor unit will run at setting fan speed for 60s then will stop .
When Tset 2 Tamb
Under this mode, the switchover valve will be powered on and the setting temperature range is 16-30
Conditions and processes of defrost
This unit adopt intelligent defrosting,it can defrost according to the frosting conditions,dual 8 display H1
Protection
Anti-high temperature protection
Tpreset 2 , the unit will run under Dry mode, in which case the indoor fan will keep run at low speed,
2 , the compressor and outdoor fan will be stopped, the indoor fan will run at low speed.
Tamb.
Tpreset
Tpreset
Compressor
Outdoor fan
Indoor fan
Run
,the system enters heating running, in this case, the reversal valve, compressor,
,the compressor and outdoor fan will stop, but the reversal valve is still with power on,
Tset 4 ,the unit will maintain its original operating status.
Tpreset
Tpreset
Tamb.
6Min.
Compressor
Outer fan
Inner fan
2Min.
Inner fan
Running
min. min.
min. min.
Preset speed
Stop
3Min.
6Min.
Setting
2Min.
fan speed
Stop
３８
.
Start cooling
Dehumidifying
Stop running
.
Stop heating
Original running state
Start heating
Setting
fan speed