-
31
-
'13 • SRK-T-140
(ii) Hot keep operation
If the hot keep operation is selected during the heating operation, the indoor blower is controlled based on the temperature of
the indoor heat exchanger (Th2) to prevent blowing of cool wind.
However, if the fan speed setting is HI and room temperature is 19
℃
or higher, this control is not executed.
-20
-25
-15
-10
-5
0
Outdoor heat exchanger temperature (℃)
-20
-25
-20 -15 -10 -5 0 5 10
-15
-10
-5
0
Outdoor air temperature (℃)
-20 -15 -10 -5 0 5 10
Outdoor air temperature (℃)
Outdoor heat exchanger temperature (℃)
Defrost operation
start
Defrost operation
start
Defrost operat
ion start tempe
rature
Defrost ope
ration star
t temperat
ur
e
Models SRK25, 35ZMP-S Model SRK45ZMP-S
(model SRK45 : +10
ޓ
)
'09•SRK-DB-087D
(9)ޓOutline of heating operation
(a) Operation of major functional components in heating mode
(b) Details of control at each operation mode (pattern)
1) Fuzzy operation
2) Hot keep operation
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
(c) Defrosting operation
(i)
1)
2)
3)
4)
−
≧
−
≦ <
30~115rps
30~115rps
30~76rps
30~46rps
SRK35ZJ-S
23~106rps
23~106rps
23~78rps
23~50rps
SRK50ZJ-S
30~115rps
30~115rps
30~72rps
30~42rps
SRK25ZJ-S
30~115rps
30~115rps
30~66rps
30~40rps
SRK20ZJ-S
Model
Fan speed
Auto
MED
HI
LO
(model SRK35 : 45)
35
35
(model SRK35 : 45)
(model SRK45 : ≧
−
2
ޓ
) (model SRK45 : 10
ޓ
)
(model SRK45 : ≧
−
2
ޓ)
5)
1)
2)
<
− −
−
−
(ii)
1) 2) 3) 5)
16 minutes and 50 seconds (model SRK45 : 17 minutes).
higher
(model SRK45 : +10
ޓ
)
'09•SRK-DB-087D
(9)ޓOutline of heating operation
(a) Operation of major functional components in heating mode
(b) Details of control at each operation mode (pattern)
1) Fuzzy operation
2) Hot keep operation
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
(c) Defrosting operation
(i)
1)
2)
3)
4)
−
≧
−
≦ <
30~115rps
30~115rps
30~76rps
30~46rps
SRK35ZJ-S
23~106rps
23~106rps
23~78rps
23~50rps
SRK50ZJ-S
30~115rps
30~115rps
30~72rps
30~42rps
SRK25ZJ-S
30~115rps
30~115rps
30~66rps
30~40rps
SRK20ZJ-S
Model
Fan speed
Auto
MED
HI
LO
(model SRK35 : 45)
35
35
(model SRK35 : 45)
(model SRK45 : ≧
−
2
ޓ
) (model SRK45 : 10
ޓ
)
(model SRK45 : ≧
−
2
ޓ)
5)
1)
2)
<
− −
−
−
(ii)
1) 2) 3) 5)
16 minutes and 50 seconds (model SRK45 : 17 minutes).
higher
Max. 16 minutes and 50 seconds
Heating operation
¡Defrost operation
(Mode SRK45: Max.17 minutes)
Depends on an operation condition, the time can be longer than 7 minutes.
2~7 minutes
Hot keep operation