CF-19
DUAL, TRIPLE, POKER DC Inverter : 5. Control Functions
Multi Liberty
DC Inverter
5.9.2 Automatic control of fan speed, in Heating mode
If “Auto” mode is selected, indoor fan speed is automatically selected by control electronics, according to the
difference between temperature (1) detected inside the room and temperature (Ts) set by the User, as it is shown
in the following Table and diagrams.
HTFU X, HSFU X, HRBU X Models
T2 = temperature of Indoor Unit’s heat exchanger.
T2 (°C)
32
30
28
15
Set speed
“Low” speed
Fan OFF
HFIU X Models
T1 = temperature detected inside the room. Ts = temperature set by remote control.
T1 -Ts (°C)
1.0
2.0
2.5
1.5
“High” speed
“Low” speed
“Medium” speed
In case of increase in
room temperature (T1)
In case of decrease of
room temperature (T1)
Condition
Indoor fan speed
T < 1.5°C
T > 2°C
T > 2.5°C
T < 1.0°C
1.5°C < T < 2.5°C
1°C < T < 2°C
“High”
“Low”
“Low”
“High”
“Med”
“Med”
(T = T1 - Ts)
HKEU X Models