Mitsubishi SRK25ZSP-W Service Manual page 16

(q) Outdoor fan motor protection
(r) Outdoor fan control at low outdoor temperature
(i)
Cooling
1) Operating conditions
2) Detail of operation
Outdoor temperature > 10˚C
Outdoor temperature < = 10˚C
a)
b)
-
c)
3) Reset conditions
a)
b)
(ii)
Heating
1) Operating conditions
2) Detail of operation
model SRK45 : 8th speed)
SRK25, 35 Th1
ON1 8th speed
ON2 9th(8th) speed
Values in (
3) Reset conditions
a)
b)
(s) Refrigeration cycle system protection
(i) Starting conditions
1)
When 5 minutes have elapsed after the compressor ON or the completion of the defrost operation
2)
Other than the defrost operation
3) When, after satisfying the conditions of 1) and 2) above, the compressor speed, indoor air temperature (Th1) and indoor
heat exchanger temperature (Th2) have satisfied the conditions in the following table for 10 (SRK45:5) minutes:
Operation mode
Cooling
Heating(1)
Except that the fan speed is HI in heating operation.
min
-1
Outdoor fan
24
21 ℃ Th1 21 ℃
> =
<
8th speed
8th speed
) are for the model SRK35.
(model SRK45:2
14
-
Compressor speed (N) Indoor air temperature (Th1)
50 N < = 10 Th1 40
50 N < =
(model SRK45:0 )
; models SRK25, 35 : refer to belows,
ON2
ON1
-1 1 4
Outdoor air temperature(°C )
)
Room temperature (Th1)/
-
Indoor heat exchanger temperature (Th2)
< = < =
0 Th1 40 < = < =
'18 • SRK-SM-259
OFF
6
Th1−4<Th2
Th2<Th1+6
-