-
16
-
Note (1) Refer to the table shown above right for the values A and B.
Indoor heat exchanger temp. (˚C)
¡
Values of A, B
A
B
When the compressor
command is OFF
22
25
When the compressor
17
19
command is ON
(3)
Thermostat operation
The compressor and outdoor fan and turned on and off as shown below according to the temperature setting.
(4)
Hot keep
This function controls the indoor unit fan speed as shown below in accordance with the temperature sensed by the indoor heat
exchanger sensor.
(a)
Indoor unit fan control
OFF
ON
Set temp.
Compressor
Outdoor fan
+1
Room temp.
Indoor fan
A B 26 27
28
29.5 31.5
33
34.5 36
37.5
39
40.5
42
0
9
8
7
6
5
4
3
2
1
OFF
4.8 Outline of heating operation
(1)
Operation of major functional components
(2)
Fan speed switching
(a)
Auto fan control
The indoor fan is automatically controlled in accordance with the difference between the room temperature (detected by the
room temperature sensor) and the thermostat setting as shown below.
Indoor fan motor
Flap and louver
Display
Outdoor fan motor
ON
ON or OFF
Lights up
OFF*
ON
ON or OFF
Lights up
ON
ON
OFF
Stop position control
Lights up or flashes
When the compressor
command is OFF
When the compressor
command is ON
When the compressor goes
OFF due to an anomalous stop.
Functional
components
Item
4-way valve
Electric expansion valve
Depending on the stop mode
Depending on the EEV control
Depending on the stop mode
Air scroll
Swing flap or louver
Swing stop
Auto fan control
Speed 9
Speed 9
Speed 9
Speed 7
Speed 7
Speed 7
AUTO
HIGH
MED
Speed 5
Speed 5
Speed 5
LOW
Flow control
Fan speed switching
Speed 9
Speed 7
Speed 5
Thermostat setting point
-5
-4
-3
-2
-1
0
(b)
To accomplish rapid recovery from the thermostat off state, after the compressor and outdoor unit’s fan go OFF, the set
temperature is raised by 1ºC until 1 minute passes after the hot keep end temperature has been reached following restarting.
*However, the outdoor fan motor doesn’t stop for one minute after the compressor stops.
