-
16
-
7-2-
3
. Heating operation *Heat pump model only
([MODE] button on the remote control is set
to the heating operation.)
(1) The compressor, 4-way valve, outdoor fan and
operation display on the remote control are
controlled as shown in Fig. 7-2-5.
Fig. 7-2-
5
(2) When [FAN] button is set to AUTO, the indoor fan
motor operates as shown in Fig. 7-2-6. When
[FAN] button is set to LOW, MED, or HIGH, the motor
operates with a constant air flow.
*1, *2 : The values marked with *1 and *2 are
calculated and controlled by the difference in
motor speed between M+ and L.
Fig.
7-2-6 Setting of air flow [FAN:AUTO]
[FAN AUTO]
-0.5
-1
-1.5
-2
-5.0
-5.5
0
°C
Preset
temp.
M
+
H
L
*1
*2
(Room temp.)
(Preset temp.)
0
°C
ON
OFF
ON
OFF
ON
ON
4-way valve
Outdoor fan
Compressor
Preset
temp.
OPERATION
display
(Room temp.)
(Preset temp.)
-0.5
-
-
FILE NO. SVM-05003
(3) The indoor heat exchanger restricts revolving
speed of the fan motor to prevent a cold draft. The
upper limit of the revolving speed is shown in
Fig. 7-2-7 and Table 7-2-1.
42HNR012 Series
42HNR010 Series
Fig.
7-2-7 Cold draft preventing control
NOTES :
*1: The fan stops for 2 minutes after thermostat-OFF
*2: A is 24 °C when the preset temperature is 24 °C or
more and A is the preset temperature when it is
under 24 °C.
*3: SL means Super Low.
*4: Calculated from difference in motor speed
between SL and H.
A+4
A
−
8
A+4
A
−
8
42
41
34
33
29
28
21
20
*2
*6
*5
Manual
(One of 3 steps)
L H (Up to
seting speed)
AUTO
*4
SL
*3
SL*1
Stop
Indoor heat exchanger temperature
°C
A+4
A
−
8
A+4
A
−
8
46
45
34
33
32
31
21
20
*2
*6
*5
Manual
(One of 3 steps)
L
-
H (Up to
seting speed)
AUTO
*4
SL
*3
SL*1
Stop
Indoor heat exchanger temperature
°C
-