High Pressure Sensor Voltage Characteristics - Carrier 38VMA Series Service Manual

Outdoor unit for variable refrigerant flow (vrf) heat pump system
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3. High Pressure Sensor Voltage Characteristics**

High pressure (psi)
14.5
29.0
43.5
58.0
72.5
87.0
101.5
116.0
130.5
145.0
159.5
174.0
188.5
203.0
217.5
232.0
246.5
261.0
275.5
290.0
304.5
319.0
333.5
348.0
362.5
377.0
391.5
406.0
420.5
435.0
449.5
464.0
478.5
493.0
507.5
522.0
536.5
551.0
565.5
580.0
594.5
609.0
623.5
638.0
652.5
667.0
681.5
696.0
710.5
** Outdoor unit: high pressure sensor
Resistance (KΩ)
60.60
51.74
44.90
39.47
35.05
31.38
28.29
25.64
23.36
21.36
19.61
18.05
16.66
15.40
14.27
13.25
12.31
11.45
10.66
9.94
9.26
8.64
8.06
7.52
7.01
6.54
6.09
5.67
5.28
4.90
4.55
4.22
3.90
3.60
3.31
3.04
2.78
2.53
2.30
2.07
1.85
1.64
1.45
1.25
1.07
0.89
0.72
0.56
0.40
Output voltage(V)
0.59
0.67
0.76
0.85
0.93
1.02
1.11
1.19
1.28
1.37
1.46
1.54
1.63
1.72
1.80
1.89
1.98
2.06
2.15
2.24
2.33
2.41
2.50
2.59
2.68
2.76
2.85
2.93
3.02
3.11
3.19
3.28
3.37
3.46
3.54
3.63
3.72
3.80
3.89
3.98
4.06
4.15
4.24
4.33
4.41
4.50
4.59
4.67
4.76
91

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