Soleus Air KFHHP-12 Manual page 12

If T >T , DRY mode will act, the indoor fan, outdoor fan and compressor will run, and indoor fan will run at
amb set
low speed
If T -2 T T , the unit will keep running in the original mode.
set amb set
If T <T -2 , the compressor will stop running, the outdoor fan will delay 30 seconds to stop and the indoor
amb set
fan will run at low speed.
In this mode, the reversal valve will not be powered on and the temperature setting range is 16 ~30 .
The unit will adjust the running frequency of the compressor automatically according to the change of ambient
temperature.
6.1.2.2.2 Protection
Protection is the same with that in COOL mode.
6.1.2.3 HEAT mode
6.1.2.3.1 The condition and process of heating
If T T +2 , HEAT mode will act, the compressor, outdoor fan and 4-way valve will run simultaneously,
amb set
the indoor fan will delay at most for 2min to run.
If T +2 T T
set amb
If T T +5 , the compressor will stop, the outdoor fan will delay 30sec to stop and the indoor fan will blow
amb set
for 60sec at the original speed and then stop.
In this mode, the temperature setting range is 16 ~30 .
The air conditioner will adjust the running frequency of the compressor automatically according to the change
of ambient temperature.
When the unit is turned off in HEAT mode, or switched to other mode from HEAT mode, the four-way valve
will be powered off 2min later after the compressor stops.
6.1.2.3.2 The condition and process of defrosting
When frost is detected in the condenser, the system will enter into defrosting state. When defrosting starts, the
compressor and indoor fan will stop, and the outdoor fan and four-way valve will delay 30 seconds to stop. The
compressor will start again after 30s and. When the compressor has run for 8mins, the compressor will stop.
After 30 seconds the four-way valve opens and after another 60 seconds, the compressor and outdoor fan resume
running. The indoor fan will delay 2 minutes to run at the latest and temperature on the display panel shows H1.
Under heating mode,when the compressor is stopped by malfunction, the indoor fan will blow at low fan speed for
60s and then stop.
6.1.2.3.3 Protection
Overcurrent protection
If total current is high, the compressor will run in limited or dropped frequency. When total current go on rising
T
set
T -2
set
Compressor
Outdoor fan
Indoor fan
+5 ,the unit will keep running in the original mode.
set
T
amb
Low fan speed
Run
Tset
Tset
Tamb
Compressor
Outdoor fan
Indoor fan
2min
Reversal valve
Run
16
SOLEUSAIR
Dry mode will act
Running in the original mode
Stop running
Stop
3min
2min
S
top
Stop heating
Original running state
Start heating