'20 • SRF-SM-311
-
10
-
(a) Dew prevention control [Cooling]:Prevents dewing on the indoor unit.
(i) Operating conditions
When the following conditions have been satisfied for more than 30 minutes after starting operation
1) Compressor's command speed is 32 (SRF50 : 28) rps or higher.
2) Detected value of humidity is 68% or higher.
(ii) Contents of operation
1) Air capacity control
Note (1) Ranges A and B are as shown below.
Humidity(%)
68
73
Range A
Range B
Model
Item
SRF25, 35
SRF50
LO, ULO
Upper limit of compressor's command speed RangeA: 60rps, RangeB: 40 (SRF35 : 45) rps RangeA: 50rps, RangeB: 30rps
Indoor fan
5th speed
AUTO,HI,MED
Upper limit of compressor's command speed RangeA: 60rps, RangeB: 40 (SRF35 : 45) rps RangeA: 50rps, RangeB: 30rps
Indoor fan
Adaptable to compressor's command speed (Lower limit 5th speed)
2) When this control has continued for more than 30 minutes continuously,the following wind direction control is per-
formed.
・
Upper flap : Approx 38
°
・
Lower flap and Damper : Close
(iii) Reset conditions
When any of followings is satisfied
1) Compressor's command speed is less than 32 (SRF50 : 28) rps.
2) Detected value of humidity is less than 63%.
(17) Protective control function
(b) Operation mode is changes when keep cooling and heating thermostat off 20 minutes and be satisfied followingconditions.
If the setting temperature is changed with the remote control, the operation mode is judged immediately.
(c) When the unit is started again within one hour after the stop of automatic operation or when the automatic operation is
selected during heating, cooling or dehumidifying operation, the unit is operated in the previous operation mode.
(d) Setting temperature can be adjusted within the following range. There is the relationship as shown below between the signals
of the wireless remote control and the setting temperature.
(e) When the unit is operated automatically with the wired remote control, the cooling operation is controlled according to
the display temperatures while the setting temperature is compensated by
＋
2
℃
during heating.
※
It can not be changed to heating mode if outdoor air temperature is 28
℃
or higher.
Heating
SP: Setting temperature
Indoor air temperature
−
Setting temperature (˚C)
Keep operation
mode
Cooling
Signals of wireless remote control (Display)
18
19
20
21
22
23
24
25
26
27
28
29
30
18
19
20
21
22
23
24
25
26
27
28
29
30
20
21
22
23
24
25
26
27
28
29
30
31
32
Setting
temperature
Cooling
Heating
SP
＋
1
SP
−
1
Unit :
℃
