Mitsubishi SRK25ZSP-W Service Manual page 13

After lapse of 10 sec. or over
After lapse of 10 sec. or over
A
Indoor heat exchanger temperature(°C)
10
fan
Temperature list
●
Temperature list
Models DXK09.12
Models SRK25, 35
RPSmin < 50
RPSmin < 50
50 < = RPSmin < 91
50 < = RPSmin < 92
92 < = RPSmin < = 115
91 < = RPSmin < 97
97 < = RPSmin < 100
Model SRK45
100 < = RPSmin < 115
115 < = RPSmin
RPSmin < 30
30 < = RPSmin < 40
40 < = RPSmin < 80
80 < = RPSmin < 90
90 < = RPSmin < 100
(h) Heating overload protective control
(i) Indoor unit side
1) Operating conditions
2) Detail of operation
3) Reset conditions
(ii) Outdoor unit side
1) Operating conditions
When the outdoor air temperature (TH2) is 22 (11 or 20)ºC or higher continues for 30 seconds while the compressor
speed other than 0 rps.
2) Detail of operation
b) Detail of operation
Upper and lower limits of compressor speed and the outdoor unit fan speed are restricted.
i) Taking the upper limit of compressor command speed range at 60 rps, if the output speed obtained with the fuzzy
Models SRK25,35
calculation exceeds the upper limit, the upper limit value is maintained.
Compressor command speed (rps)
ii) The lower limit of compressor command speed is set to 40 rps and even if the calculated result becomes lower than
Lower limit
Range A Range B
that after fuzzy calculation, the speed is kept to 40 rps. However, when the thermo becomes OFF, the speed is
－ －
ON1
reduced to 0 prs.
40 Release
ON2
iii)
Model SRK45
Compressor command speed (rps)
Lower limit
iv)
Range A Range B
35 Release
ON1
35 35
ON2
Protective
control
Normal
operation
OFF
10
Outdoor air temperature(°C)
c) Reset conditions:
3) Reset conditions
• Model 50
When the outdoor air temperature drops below 19 (13)ºC.
a) Operating conditions :
Note (1) Values in ( ) are for the model SRK45.
b) Detail of operation
i) Taking the upper limit of compressor command speed range at 78 rps, if the output speed obtained with the fuzzy
calculation exceeds the upper limit, the upper limit value is maintained.
ii) The lower limit of compressor command speed is set to 30 rps and even if the calculated result becomes lower than
(3)
lower limit
(3)
speed 30(35) rps
B
speed
A B
A B
52
47 52
47.5 54.5 55
47.5-39.0 55.0-40.0
54.5-51.5
51.5-50
- 50-
A B
45 49
45-49 49-55
49 55
49-48 55-53
48-37 53-42
Outdoor fan speed
Upper limit
－
60
rps.
Outdoor fan speed
Upper limit
85 It depends on compressor speed
55
Normal operation
ON2
ON1
21
Outdoor air temperature(°C)
11 21 (19) 22 (20)
When the outdoor air temperature (TH2) is 11ºC or higher continues for 30 seconds while
the compressor command speed other than 0 rps.
-
4rps 8rps
(1) (2)
0rps
C D
-
-
-
fan
Unit : ºC
C D
C D
54 55
54 55
57 61
57.0-42.0 61
-
Unit : ºC
-
C
50
RPSmin < 35
35 < = RPSmin < 40
50-57
40 < = RPSmin < 80
57
80 < = RPSmin < 95
57-55
95 < = RPSmin < 100
55-44
－
2nd speed
Protective
2nd speed
control
Range A
Range B
22
21 23
Indoor air temperature (
11
-
'18 • SRK-SM-259
Unit : ºC
'09•SRK-DB-087D
D
55.5
55.5-62
62
62-56
56-50.5
)
.