Troubleshooting
SiENBE28-901
138
Air Cooled Refrigeration Condensing Unit
[Check 9] Temperature and Resistance Characteristics of Thermistor
Outdoor unit
Applicable
Heat exchanger
(Inlet and outlet)
Suction air
Discharge pipe
Radiation fin
Type
ST0601
ST0602
ST0901
PTP-46D-D1
Temperature(°C)
Resistance(k
Ω
)
Resistance(k
Ω
)
Resistance(k
Ω
)
Resistance(k
Ω
)
-10
112.0
10.9
1403.8
111.4
-5
85.5
8.6
1059.5
84.1
0
65.8
6.9
806.5
64.1
5
51.1
5.5
618.9
49.4
10
40.0
4.4
487.8
38.4
15
31.6
3.6
373.1
30.1
20
25.1
2.9
292.9
23.8
25
20.1
2.4
231.4
18.9
30
16.2
2.0
184.1
15.2
35
13.1
1.6
141.1
12.3
40
10.7
1.4
118.7
10.0
45
8.8
1.1
96.1
8.2
50
7.2
1.0
78.3
6.8
55
6.0
0.82
64.1
5.6
60
5.0
0.70
52.8
4.7
65
4.2
0.60
43.6
3.9
70
3.5
0.51
36.3
3.3
75
3.0
0.44
30.3
2.8
80
2.5
0.38
25.4
2.4
85
2.1
0.33
21.4
2.0
90
1.8
0.29
18.1
1.7
95
1.6
0.25
15.3
1.5
100
1.4
0.22
13.1
1.3
105
1.2
0.20
11.2
1.1
110
1.0
0.17
9.6
1.0
115
0.9
0.15
8.3
0.9
120
0.8
0.14
7.1
0.8
