'20 • SRF-SM-311
-
6
-
(ii) HEAT operation
1) In case both lower and upper outlets operation with auto fan speed mode is selected, the
lower outlet will be kept for twenty minutes after the start or until room temperature is
close to reaching the setting point . And then the air outlet will change to both outlets.
That state will be maintained until the switch is turned off.
2) Automatic adjustment of lower air outlet direction prevents stirring up of warm air
and keeps optimum comfort at floor level.
(10) Timer operation
(a) Comfortable timer setting (ON timer)
If the timer is set at ON when the operation select switch is set at the cooling or heating, or the cooling or heating in auto
mode operation is selected, the comfortable timer starts and determines the starting time of next operation based on the initial
value of 15 minutes and the relationship between the room temperature at the setting time (temperature of room temperature
sensor) and the setting temperature.
(b) Sleep timer operation
Pressing the SLEEP button causes the temperature to be controlled with respect to the set temperature.
(c) OFF timer operation
The Off timer can be set at a specific time (in 10-minute units) within a 24-hour period.
(d) Weekly timer operation
Timer operation (ON timer, OFF timer) can be set up to 4 times a day for each weekday.
(11) Silent mode
As “Silent mode start” signal is received from the wireless remote control, it operates by dropping the outdoor fan tap and the
compressor command speed.
(12) Night setback
As “Night setback” signal is received from the wireless remote control, the heating operation starts with the setting temperature
at 10
℃
.
Outdoor fan tap
(Upper limit)
Compressor command
speed (Upper limit)
Cooling Heating Cooling Heating Cooling Heating
SRF25ZS-W
SRF35ZS-W
SRF50ZSX-W
4th speed
37 rps
4th speed
49 rps
5th speed
46 rps
4th speed
56 rps
5th speed
43 rps
5th speed
48 rps
(a) Operation of major functional components in heating mode
ON
OFF
ON
ON
ON
OFF
(few minutes ON)
ON
ON(HOT KEEP)
OFF
OFF
(3 minutes ON)
OFF
OFF
Thermostat ON
Thermostat OFF
Failure
Heating
Compressor
Indoor fan motor
Outdoor fan motor
4-way valve
(13) Outline of heating operation
