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NO.
6
Item
Fan speed control
Overview of specifications
COOL
—
HH
H+
—
H
HEAT
HH
—
H+
H
—
COOL
—
L+
L
UL
HEAT
L+
L
—
UL
(3) When thermo sensor turns OFF during heating, the fan
speed mode becomes UL (weak).
(4) When Ta is 25°C or above at the beginning of HEAT
operation or when canceling defrost mode, H or HH
mode continues for one minute from the time when Tc
enters zone E shown in the figure in No.7 below.
(5) The HH fan speed for auto cooling/heating is set to a
speed higher than that for normal cooling/heating.
However, it varies depending on the temperature
difference of Tc during auto heating.
Remarks
(1) Performs indoor unit fan control in the HEAT mode
according to the Tc (or Tcj) sensor detect temperature.
The maximum speed is limited as shown below.
Shifts Tc control value by +6°C during defrosting.
However, zone B is regarded as zone C after 6 minutes
pass from the startup of compressor.
Ta
(˚C)
HH
HH+
α
47
42
Tc, Tcj
(°C)
36
34
32
30
24
20
HH
H
L
UL
OFF
Zone E
Zone D
Zone C
Zone B
Zone A
“HEAT PREPARING” indication
Fan speed select setting by
remote controller takes prece-
dence in zones D and E.
“HEAT PREPARING” is indicated
in zones A and B.
Cool air prevention
control
7
