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4.12 Outline of automatic operation
(1) Determination of operation mode
The unit checks the room temperature and the outdoor air temperature after operating the indoor and outdoor blowers for 20
seconds, determines the operation mode and the room temperature setting correction value, and then begins in the automatic
operation.
Room temperature (˚C)
(2) The unit checks the temperature every hour after the start of operation and, if the result of check is not same as the previous
operation mode, changes the operation mode.
(3) When the unit is started again within one hour after the stop of automatic operation or when the automatic operation is selected
during heating, cooling or dehumidifying operation, the unit is operated in the previous operation mode.
(4) Setting temperature can be adjusted within the following range. There is the relationship as shown below between the signals of
the wireless remote control and the setting temperature.
Cooling
Setting
Dehumidifying
temperature
Heating
4.13 ECONOMY operation
(1) The set temperature is raised by 1.5ºC (0.5ºC every one hour) at cooling operation and lowered by 2.5ºC (Steps of 1ºC, 1ºC and
0.5ºC every one hour) at heating operation to continue the operation with the following contents.
(2) Detail of operation
◆ Heating
Item
Inverter command speed
Indoor fan
Outdoor fan
◆ Cooling
Item
Inverter command speed
Indoor fan
Outdoor fan
27.5
25.5
19.5
–6
–5
19
20
19
20
20
21
(ECONO button on remote control: ON)
Model
SRK20ZFX-S
30~66rps
Model
SRK20ZFX-S
20~42rps
Dehumidifying
Heating
18
Outdoor temperature (˚C)
Signals of wireless remote control (Display)
–4
–3
–2
–1
21
22
23
24
21
22
23
24
22
23
24
25
SRK25ZFX-S
SRK35ZFX-S
30~72rps
30~76rps
4th, 6th speed
5th speed
SRK25ZFX-S
SRK35ZFX-S
20~52rps
20~58rps
2nd, 5th speed
5th speed
21
-
-
Cooling
30
±0
+1
+2
+3
25
26
27
28
25
26
27
28
26
27
28
29
SRK50ZFX-S
20~66rps
4th, 5th speed
SRK50ZFX-S
20~42rps
4th speed
+4
+5
+6
29
30
31
29
30
31
30
31
32
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