–
10
–
'19 • KX-SM-318
(1) Operations of functional items during cooling/heating
Cooling
Heating
Dehumidifying
Thermostat ON:
Thermostat OFF:
(2)
Fan
Operation
Functional item
Thermostat
ON
Thermostat
ON
Thermostat
OFF
Thermostat
OFF
Hot start
(Defrost)
Compressor
4-way valve
Outdoor unit fan
Indoor unit fan
Drain pump
(3)
(2)
(2)
/
/
(
)
(
)
/
/
/
/
Notes (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 with the indoor unit function setting of the wired remote control.
/
(2)
(3) Timer operation
(a) RC-EX3A
(i) Sleep timer
Set the time from the start to stop of operation. The time can be selected in the range from 30 to 240 minutes (in the
unit of 10-minute).
Note (1) Enable the “Sleep timer” setting from the remote control. If the setting is enabled, the timer operates at every time.
(ii) Set OFF timer by hour
Set the time to stop the unit after operation, in the range from 1 to 12 hours (in the unit of hour).
(iii) Set ON timer by hour
Set the time to start the unit after the stop of operation, in the range from 1 to 12 hours (in the unit of hour). It is
allowed also to set simultaneously the indoor temperature, operation mode, air flow rate and warm-up enabled/
disabled.
(iv) Set ON timer by clock
Set the time to start operation. The time can be set in the unit of 5-minute. This setting can be activated only once or at
every time. It is allowed also to set simultaneously the indoor temperature, operation mode, air flow rate and warm-up
enabled/disabled.
Note (1) It is necessary to set the clock to use this timer.
(v) Set OFF timer by clock
Set the time to stop operation. The time can be set in the unit of 5-minute. This setting can be activated only once or at
every time.
Note (1) It is necessary to set the clock to use this timer.
(vi) Weekly timer
Set the ON or OFF timer for a week. Up to 8 patterns can be set for a day. The day-off setting is provided for holidays
and non-business days.
Note (1) It is necessary to set the clock to use the weekly timer.
1.3 Operation control function by the indoor control
(2) Dehumidifying (DRY) operation
Indoor ambient temperatures and humidity are controlled simultaneously with the relative humidity sensor (HS) and the
suction temperature sensor [Thi-A (or the remote control sensor when it is activated)], which are installed at the suction inlet.
(a) When the operation has been started with cooling, if there is a difference of 2°C or less between the suction and setting
temperatures, the tap of indoor fan is lowered by one tap. This tap is retained for 3 minutes after changing the tap.
(b)
After the above condition, when a difference between suction and setting temperature is lower than 3°C, and the relative
humidity is high, the tap of indoor unit fan is lowered by one tap.
When the difference between suction and setting temperature is larger than 3°C, the fan of indoor unit fan is raised by one
tap. This tap is retained for 3 minutes after changing the tap.
(c) When relative humidity becomes lower, the indoor unit fan tap is retained.
(d) In case of the thermostat OFF, the indoor unit fan tap at the thermostat ON is retained.
Summary of Contents for FDC121KXZEN1
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