Operation Control Function By The Indoor Controller; Operations Of Functional Items During Cooling/Heating; Dehumidifying Operation; Timer Operation - Mitsubishi Heavy Industries KX6 series Service Manual

1.2 Operation control function by the indoor controller

(1)

Operations of functional items during cooling/heating

Operation
Thermostat
Functional item
Compressor
4-way valve
Outdoor fan
Indoor fan
Louver motor
(4)
Drain pump
Note (1) �: Operation �: Stop �/�: Turned ON/OFF by the control other than the room temperature control.
(2) ON during the drain motor delay control
(3) Drain pump ON setting may be selected by the indoor unit function setting of the wired remote controller.
(2)

Dehumidifying operation

(a) When the humidity sensor is not provided (Models other than FDT Series)
return air thermistor [Th
temperature environment simultaneously.
1) Operation is started in the cooling mode. When the difference between the return air thermistor and the setting
temperature is 2°C or less, the indoor unit fan tap is brought down by one tap. That tap is retained for 3 minutes
after changing the indoor fan tap.
Note (1) In case of "P-Hi", change the tap down to "Hi".
(2) Lower limit of tap-down for the indoor air volume is Lo tap.
2) If the suction air temperature exceeds the setting temperature 3°C or more during defrosting operation, the indoor
fan tap is raised by one tap. That tap is retained for 3 minutes after changing the indoor fan tap.
Note (1) Upper limit of tap-up for the indoor air volume is the setting air volume.
3) If the thermostat OFF is established during the above control, the indoor fan tap at the thermostat ON is retained so
far as the thermostat is turned OFF.
4) After stopping the cooling operation, the indoor unit continues to run at Lo for 15 seconds.
(3)

Timer operation

(a) Timer
Set the duration of time from the present to the time to turn off the air-conditioner.
It can be selected from 10 steps in the range from "OFF 1 hour later" to "OFF 10 hours later". After the clock timer
setting, the remaining time is displayed with progress of time in the unit of hour.
(b) OFF timer
Time to turn OFF the air-conditioner can be set in the unit of 10 minutes.
(c) ON timer
Time to turn ON the air-conditioner can be set. Indoor temperature can be set simultaneously.
(d) Weekly timer
Timer operation (ON timer, OFF timer) can be set up to 4 times a day for each weekday.
(e) Timer operations which can be set in combination
Timer
OFF timer
ON timer
Weekly timer
Note (1) �: Allowed �: Not
Cooling
Fan
Thermostat
ON OFF
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(2)
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(2)
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-A (by the remote controller when the remote control sensor is enabled)] controls the indoor
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Timer OFF timer
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Heating
Thermostat Thermostat Hot start
ON OFF (Defrost)
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(2)
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ON timer Weekly timer
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- -
'10 • KX-SM-148
Dehumidify
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Thermostat ON: �
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(2)
Thermostat OFF:
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ESP-FP-1730
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