Specifications

SiBE04-624 Main Functions
Function and Control 59
2.28 Fan Speed Control for Indoor Units
Control mode The airflow can be automatically controlled depending on the difference between the set
temperature and the room temperature. This is done through speed control and Hall IC control.
Phase steps Speed control and fan speed control contains different steps:
.
= Within this range the airflow rate is automatically controlled when the FAN setting
button is set to automatic.
1. During powerful operation, fan rotates at H tap + 80 rpm.
2. Fan stops during defrost operation.
3. In time of thermostat OFF, the fan rotates at the following speed.
Cooling: The fan keeps rotating at the set tap.
Heating: The fan stops.
In the above table you can see all the different fan speeds of the indoor units fan motor.
When selecting AUTOMATIC air flow control on the remote controller, the indoor fan speed will
be regulated according to the difference between the room temperature and the required set
point on cooling mode. On heating mode, the indoor fan speed will be regulated according to
the indoor heat exchanger temperature and the difference between the room temperature and
the required set point.
Cooling
Step Cooling Heating Dry mode
LLL
28 · 42 · 50kW class :
1000 rpm
No powerful
LL
SL (Silent)
L
ML
M
MH
H
HH (Powerful)
(R4085) (R4085)
28 class LLL LL SL L ML M HM H HH
Cooling --- 590 720 790 890 990 1090 1190 1270
Heating 350 590 790 860 970 1080 1190 1300 1380
42 class LLL LL SL L ML M HM H HH
Cooling --- 590 750 820 940 1060 1180 1300 1380
Heating 350 590 820 890 1000 1110 1220 1340 1420
50 class LLL LL SL L ML M HM H HH
Cooling --- 590 790 860 990 1120 1250 1380 1460
Heating 350 590 860 950 1070 1190 1310 1440 1520
L
LM
M
MH
3˚C
2˚C
1˚C
0˚C
Set point - room temperature
(R5925)