11-5
CONTROL SYSTEM
SM HDDHED 2-A.1 GB
speed or stop running. This function will terminate after the unit runs for 3min or the ICT reaches 42
degree.
Residual heat blowing function
During heating, when the stopping condition for the compressor is reached, the compressor and the
outdoor fan motor stop running while the louver moves to position L. The indoor fan will stop after
running for 60s at setting speed.
11.5
Auto Cool/Heat Mode
In AUTO mode, the system selects the running mode (COOL/HEAT/FAN) automatically according
to the room temperature. The display shows the actual running mode and setting temperature.
There will be 30s delay for mode conversion.
When
1.
RAT
≥
25
o
C, the cooling mode is selected.
When
2.
RAT
≤
22
o
C, the unit runs in heating mode
When
3.
22
o
C <RAT< 25
o
C, upon initial startup, the unit will enter auto mode and run in
automatic fan mode. If the other mode changes into auto mode, the previous running mode will
remain.
11.6 Dry
Mode
I
f RAT>SPT, the unit starts drying operation. Indoor fan, outdoor fan and compressor will operate and
the indoor fan will run at low speed.
If SPT-2
≤
RAT
≤
SPT, the unit will keep running in the original mode.
If RAT<SPT-2, the compressor will stop running and the outdoor fan will delay 30 seconds to stop.
While the indoor fan will run at low speed.
In this mode, the Reverse Valve will be OFF and the temperature setting range is 16
O
C~30
O
C.
IFAN
OFAN
ON
OFF
ON
ON(Low fan speed)
COMP
OFF
ON
OFF
ON
OFF
>=3min
>=6min
>=6min
SPT
SPT-2
RAT
30s
30s
11.7 Louver
Control
After power on, the up and down swing louver will automatically open and
then close completely.
In heating mode, if the swing function is not set, the up and down louver will
rotate to maximum in clockwise direction. Then it will rotate to position D.
Under other states, the upper and lower air deflector will rotate to level L.
If the swing function is set when starting the unit, the louver will swing between
Position L and D. there are 7 states for louver: in position L, A, B, C, D, and
swing between L and D, stop in any place between Position L and position D.
When the unit is turned off, the air deflector will stay in position 0.
The swing is available only when the swing function is set and the indoor fan is running.
The louver swing can also be set between L and B, between A and C, between B and D.
