Fujitsu Airstage VR-II Series - Pressure Switch; Thermistor

SERVICE PARTS INFORMATION 24
Pressure Switch
Type of contact
Characteristics of pressure switch
C
H
Pressure
4.2 0.1MPa
3.2 0.15MPa
Contact : Short Open
Contact : Open Short
(609 14.5 psi)
(464 21.8 psi)
SERVICE PARTS INFORMATION 25
Thermistor
Check Point : Check Thermistor resistance value
Remove connector and check Thermistor resistance value.
Temperature
[°C]
Temperature
[°F]
Resistance Value [ k ]
Thermistor A Thermistor B Thermistor C Thermistor D
- 20
- 10
- 5
0
5
10
15
20
25
30
40
50
60
70
80
90
100
110
120
- 4
14
23
32
41
50
59
68
77
86
104
122
140
158
176
194
212
230
248
---
---
---
168.6
129.8
100.9
79.1
62.6
49.8
40.0
26.3
17.8
12.3
8.7
6.3
4.6
3.4
2.6
2.0
---
27.8
21.0
16.1
12.4
9.6
7.6
6.0
4.8
3.8
2.5
1.7
1.2
---
---
---
---
---
---
105.4
58.2
44.0
33.6
25.9
20.2
15.8
12.5
10.0
8.0
5.3
3.6
---
---
---
---
---
---
---
---
27.4
20.7
15.8
12.2
9.5
7.5
5.9
4.7
3.8
2.5
1.7
1.2
0.8
0.6
0.4
0.3
---
---
Applicable
Thermistors
Discharge temp. TH1
Comp.1 temp. TH
Outdoor temp. TH Heat sink temp. THOutdoor temp. TH
Suction temp. TH
Liquid temp. TH 1
Liquid temp. TH 2
Sub-cool heat- ex (outlet) TH
Heat- ex 1 gas TH
Heat- ex 2 gas TH
Heat- ex 1 liquid TH
Heat- ex 2 liquid TH
04-117