Protection Function; Other Control; Sleep Function - Gree KFR-25GW/NaA512 User Manual

ｉｎｄｉｃａｔｏｒ ｌｉｇｈｔ ｆｌａｓｈ， ｗｈｅｎ ｄｅｔｅｃｔｉｎｇ ｔｈｅ ｆｒｏｓｔ ｏｎ ｔｈｅ ｃｏｎｄｅｎｓｅｒ ｈａｄ ｂｅｅｎ ｄｅｆｒｏｓｔｅｄ， ｔｈｅ ｉｎｄｏｏｒ， ｏｕｔｄｏｏｒ ｆａｎ ｍｏｔｏｒ， ４－ｗａｙ ｖａｌｖｅ ｓｔａｒｔ
ｔｏ ｒｕｎ ａｔ ｔｈｅ ｓａｍｅ ｔｉｍｅ， ｔｈｅ ｃｏｍｐｒｅｓｓｏｒ ｋｅｅｐ ｔｈｅ ｏｒｉｇｉｎａｌ ｒｕｎｎｉｎｇ ｓｔａｔｅ， ｔｈｅ ｉｎｄｉｃａｔｏｒ ｓｔｏｐ ｆｌａｓｈｉｎｇ．
Ｗｈｅｎ ｅｌｅｃｔｒｉｆｉｅｄ ｔｈｅ ｆｉｒｓｔ ｄｅｆｒｏｓｔｉｎｇ ｔｉｍｅ ｉｓ ９ｍｉｎ，ｔｈｅｎ ａｃｃｏｒｄｉｎｇ ｔｏ ｔｈｅ ｆｒｏｓｔ ｓｉｔｕａｔｉｏｎ， ｔｏ ａｄｊｕｓｔ ｔｈｅ ｄｅｆｒｏｓｔｉｎｇ ｔｉｍｅ，
ｉｆ ｆｒｏｓｔ ｉｓ ｔｏｏ ｍｕｃｈ ｔｈａｔ ｔｈｅ ｄｅｆｒｏｓｔｉｎｇ ｔｉｍｅ ｗｉｌｌ ｂｅ ｌｏｎｇ（ｔｈｅ ｍａｘ． ｔｉｍｅ ｉｓ ９ｍｉｎ．）， ｉｆ ｆｒｏｓｔ ｉｓ ｌｅｓｓ， ｔｈｅ ｄｅｆｒｏｓｔｉｎｇ ｔｉｍｅ
ｗｉｌｌ ｂｅ ｓｈｏｒｔ （ａｔ ｌｅａｓｔ ３ｍｉｎ．）， ｗｈｅｎ ｄｅｆｒｏｓｔｉｎｇ ｆｉｎｉｓｈｅｄ ｉｔ ｗｉｌｌ ｑｕｉｔ．
Old defrosting mode (multi-split type series)
When detected there are frost on the condenser, the system will enter into defrosting status, at this time, the compressor continue
to run, outdoor fan motor, 4-way valve, indoor fan motor stop running. The running indicator flash, when the frost on the condenser
had been defrosted or defrosting operation run for 10mins later, the indoor, outdoor fan motors, 4-way valve will start running at the
same time, the compressor keep the running state, the running indicator stop flash, the defrosting procedure finished.

Protection function

Anti-high temperature protection
When detected the evaporator tube temp. is too high, outdoor fan motor stop running;
when tube temp. of evaporator resumed, outdoor fan motor will resume to run.
Noise protection
When to turn off the unit by using "RUN/STOP" , the reversing valve will delayed 2mins to turn off; or mode shift
will delay 2minutes.
Fan mode
In this mode, indoor fan can select Hi, Med, Low and Auto ( Med is default) to run, the compressor, outdoor fan motor,
4-way valve stop running.
In this mode, the temp. setting range is
Auto mode
In this mode, system will accord the changes of ambient temp. to select the running mode (COOL, DRY, HEAT
and FAN). The protection function as the mode of COOL, HEAT.

Other control

Sleep function

When it is cooling and drying, after setting the sleep mode for 1hour, Tset will be increased 1℃; after 2hours, Tset
will be increased 2℃, indoor motor runs at low fan speed.
Compressor
Outdoor fan
Indoor fan
Four-way valve
Running
Compressor
Outdoor fan
Indoor fan
Four-way valve
Running
Tset
Tset
Tset
1hour 2hours
Defrosting
3min. 9min.
Stop
Defrosting
10min.
Stop
.
Setting temp. Tset
2hours above