'18 • SRK-SM-259
-
11
-
Models SRK25, 35 Unit : ºC
Model SRK45 Unit : ºC Unit : ºC
A B C D
RPSmin < 50
47 52 54 55
50
<
=
RPSmin < 92
47.5 55 57 61
92
<
=
RPSmin
<
=
115
47.5-39.0 55.0-40.0 57.0-42.0 61
A B C
RPSmin < 30
45 49 50
30
<
=
RPSmin < 40
45-49 49-55 50-57
40
<
=
RPSmin < 80
49 55 57
80
<
=
RPSmin < 90
49-48 55-53 57-55
90
<
=
RPSmin < 100
48-37 53-42 55-44
D
RPSmin < 35
55.5
35
<
=
RPSmin < 40
55.5-62
40
<
=
RPSmin < 80
62
80
<
=
RPSmin < 95
62-56
95
<
=
RPSmin < 100
56-50.5
'09•SRK-DB-087D
CDAB
OFF
EF
Upper limit 50 rps
Lower limit 44 rps
ON
ON
Upper limit 50 rps
Lower limit 50ࠝ44ࠞ rps
ON
Upper limit 60 rps
Lower limit 30ࠝ27ࠞ rps
Outdoor air temperature (°C)
(iii) Reset conditions
(g)
Heating high pressure control
(i) Purpose
(ii) Detector
(iii) Detail of operation
A
B
C
D
Indoor heat exchanger temperature(°C)
4rps
(1)
8rps
(2)
8rps
(2)
4rps
(1)
0rps
-
-
-
After lapse of 10 sec. or over
(3)
After lapse of 10 sec. or over
(3)
After lapse of 10 sec. or over
(3)
lower limit
speed 30(35) rps
(Example) Fuzzy
Temperature list
Models DXK09.12
ABCD
RPSmin < 50
50
<
=
RPSmin < 91
91
<
=
RPSmin < 97
97
<
=
RPSmin < 100
100
<
=
RPSmin < 115
115
<
=
RPSmin
First time
After the
second times
Outdoor air temperature (˚C)
ABCDEF
1)
2)
(Models SRK25, 35)
First time
After the
second times
Outdoor air temperature (˚C)
E FABCD
, E, F (Model SRK45)
0
57
2
16
9
19
11
25
22
28
25
fan fan
speed
52
54.5
54 55
54.5-51.5
51.5-50 -
-
50--
10
2624
Indoor air temperature ( Υ
)
Range A
Range B
'09•SRK-DB-087D
(h) Heating overload protective control
(i) Indoor unit side
1) Operating conditions
2) Detail of operation
3) Reset conditions
(ii) Outdoor unit side
b) Detail of operation
c) Reset conditions:
1)
Operating conditions
2)
Detail of operation
(i) Heating low outdoor temperature protective control
3) Reset conditions
10 11 19 20
Normal operation
Protective control ON1
Protective control ON2
Outdoor air temperature(°C)
21 22
Normal operation
Protective
control
Outdoor air temperature(°C)
• Model 50
• Model 50
1)
ࠉ
Operating conditions: When the outdoor air temperature (TH2) is lower than 4ºC or higher continues for 30 seconds
while the compressor command speed is other than 0 rps.
2)
ࠉ
Detail of operation: The lower limit compressor command speed is change as shown in the figure belo.
Lower limit 29 rps
Normal operation
46
Outdoor air temperature(°C)
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.
i)
ii)
iii)
iv)
Taking the upper limit of compressor command speed range at 60 rps, if the output speed obtained with the fuzzy
calculation exceeds the upper limit, the upper limit value is maintained.
The lower limit of compressor command speed is set to 40 rps and even if the calculated result becomes lower than
that after fuzzy calculation, the speed is kept to 40 rps. However, when thethermo becomes OFF, the speed is
reduced to 0 prs.
rps.
a) Operating conditions :
b) Detail of operation
When the outdoor air temperature (TH2) is 11ºC or higher continues for 30 seconds while
the compressor command speed other than 0 rps.
i)
ii)
iii)
iv)
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.
The lower limit of compressor command speed is set to 30 rps and even if the calculated result becomes lower than
that after fuzzy calculation, the speed is kept to 30 rps. However, when thethermo becomes OFF, the speed is
reduced to 0 prs.
rps.
.
c) Reset conditions:
.
a)
b)
30
Protective
control
NO1
NO2
Item
Compressor command speed
Low limit
30 rps
30 rps
Upper limit
78 rps
51 rps
It depends on compressor command speed
Outdoor fan speed
2nd
10
(i) Protective control I
2 (-8)
lower
4 (-6)
changed as shown in the figure below.
-10 -8 204
Lower limit 45(55) rps
Models SRK25, 35
Lower limit 40 rps
Lower limit 38(40) rps
Normal operation
Outdoor air temperature(°C )
-8 -6
Lower limit 27 rps
Model SRK45
Normal operation
Outdoor air temperature(°C )
2) Detail of operation
Upper and lower limits of compressor speed and the outdoor unit fan speed are restricted.
3) Reset conditions
When the outdoor air temperature drops below 19 (13)ºC.
Note (1)
Values in ( ) are for the model SRK45.
Models SRK25,35
Compressor command speed (rps)
Outdoor fan speed
Lower limit
Upper limit
Range A Range B
ON1
－ － － －
ON2
40 Release 60 2nd speed
22 (20)21 (19)11
ON1
OFF
ON2
Protective
control
Normal
operation
10
Outdoor air temperature(°C)
2321
Indoor air temperature ( Υ
)
Range A
Range B
●
Temperature list
Model SRK45
Compressor command speed (rps)
Outdoor fan speed
Lower limit
Upper limit
Range A Range B
ON1
35 Release 85 It depends on compressor speed
ON2
35 35 55 2nd speed
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