Si18-201 Main Functions
Main Functions 91
"
Since the set temperature is shifted by 2°C higher for 40 minutes, compressor speed
becomes low and can realize energy saving operation. But as thermostat is prone to be off
by the fact that the set temperature has been shifted, the thermostat-off action is prohibited
in 40 minutes so as to prevent this phenomena.
After this 40 minutes, the prohibition of the thermostat-off is cancelled and it can realize the
conditions to conduct thermostat-off depending on the room temperature. In or after this forty
minutes, if the sensor detects human motion detection signal, it turns on “Human detection
LED” and let the set temperature and the fan speed return to the original set point, keeping a
normal operation.
Others
"
The dry operation can’t command the setting temperature with a remote controller, but
internally the set temperature is shifted by 1°C.
1.1.22 Good Sleep Cooling Control
For FTK(X)25/35 J
Series Only
Outline
The function to create deep sleeping and to offer good sleep by altering the set temperatures in
certain intervals to give temperature variation to a living space based on “1/f temperature
fluctuation” principle, in case of going to bed while air conditioner keeps operating in cooling
mode.
Processing
Notes: 1. Each timer’s counting/stop is not related to a thermostat ON/OFF.
2. When the sleeping control works by the OFF timer, the shift from the set temperature should
be just 1°C with this control function.
(The temperature shift of the normal OFF-timer will not be carried out. However, the passed
time should be remembered since the OFF-timer was set.)
3. While operation with the good sleep cooling control and off-timer setting, if the signal of the
good sleep cooling OFF signal comes, the level of the set temperature shift should be set
corresponding to the same with an existing value in accordance with the passed time since
the OFF-timer was set.
4. When the good sleep cooling control is on while a normal operation with a OFF-timer is
going on, once returning to the original criterion which doesn’t shift the timer’s set
temperature, and the shift alteration at every sequence by 1°C is carried out in accordance
with the value above mentioned.
5. Fan speed will change by the alteration of the set temperature by 1°C at the automatic fan
speed operation mode, and it causes an alteration of fan noise. So, the fan tap should be
fixed at L tap position during the good sleep cooling even at the auto fan speed operation.
6. The function of the good sleep cooling is cancelled, when the good sleep cooling operation
is off or operation OFF command is received or also the operation mode changes to the
mode except cooling.
7. The priority order for each function is ; ‘Powerful’, ‘Intelligent eye’, ‘Good sleep’, and ‘Night
set mode’.
one cycle repeating
20 17 63 41 63 27 20
2160 63 22 63 20 60
Set temp.+1˚C
the set temperature
before the good sleep
cooling
Entering the good
sleep control (ON)
[Unit: min]
(RL021)
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