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(2) Air flow selection
(a) Speed of inverter changes within the range of selected air flow.
(b) When any protective function actuates, the operation is performed in the mode corresponding to the function.
(c) Outdoor blower is operated in accordance with the inverter command speed.
(3) Detail of control in each mode (Pattern)
(a) Fuzzy operation
During the fuzzy operation, the air flow and the inverter speed are controlled by calculating the difference between the room
temperature setting correction temperature and the suction air temperature.
(b) Cooling thermostat operation
(i) Operating conditions
During the cooling fuzzy operation or when the speed obtained by the fuzzy calculation is less than -24 rps.
(ii) Detail of operation
Model
SRK20ZFX-S SRK25ZFX-S SRK35ZFX-S SRK50ZFX-S
Item
Inverter speed 65 rps 74 rps 86 rps 92 rps
Indoor fan 7th speed
Outdoor fan 6th speed
Model
SRK20ZFX-S SRK25ZFX-S SRK35ZFX-S SRK50ZFX-S
Air flow selection
Inverter command speed 20~65rps 20~74rps 20~86rps 20~92rps
Air flow Depends on inverter command speed.
Inverter command speed 20~65rps 20~74rps 20~86rps 20~92rps
Air flow 7th speed fixed
Inverter command speed 20~44rps 20~56rps 20~58rps 20~62rps
Air flow 5th speed fixed
Inverter command speed 20~30rps 20~34rps 20~38rps 20~30rps
Air flow 2nd speed fixed
(c) Cooling “HIGH POWER” operation (HI POWER button on remote control: ON)
The unit is operated continuously for 15 minutes regardless of the setting temperature.
1) Detail of operation
Model
SRK20ZFX-S, 25ZFX-S, 35ZFX-S SRK50ZFX-S
Item
Inverter speed 0 rps [Comp. stopped] 10rps [10sec.] → 0rps [Comp. stopped]
Indoor fan Corresponds to fan speed switch.
Outdoor fan Stop 6th speed [1min.] → stop
Notes (1) Protective functions will actuate with priority even during the “HIGH POWER” operation.
(2) Room temperature is not adjusted during the “HIGH POWER” operation
4.11 Outline of dehumidifying operation
(1) After operating the indoor blower for 20 seconds from immediately after the start of operation, the indoor temperature is checked
and, based on the result of check, the cooling oriented dehumidifying or heating oriented dehumidifying is selected.
Heating oriented dehumidifying Cooling oriented dehumidifying
Low –3 High
Room temperature - Setting temperature (deg)
Cooling or heating oriented dehumidifying is selected again one hour after the first selection of the cooling or heating oriented
dehumidifying.
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