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Pressure Sensor Output Check - Toshiba MCY-MHP0404HS(J)-E Service Manual

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9-8. Pressure sensor output check

Outdoor Unit
PD sensor characteristics
0 to 4.41 MPa (0.5 to 5 V output for 0 to 4.41 MPa)
Voltage readings across pins 1 and 3 of CN501 on outdoor unit interface P.C. board (with negative-side probe of
multimeter placed on pin 3)
PD
PD
VOLT
VOLT
2
(MPa)
(kg/cm
)
0.00
0.00
0.0
1.00
0.02
0.00
0.0
1.02
0.04
0.00
0.0
1.04
0.06
0.00
0.0
1.06
0.08
0.00
0.0
1.07
0.10
0.00
0.0
1.09
0.12
0.00
0.0
1.11
0.14
0.00
0.0
1.13
0.16
0.00
0.0
1.15
0.18
0.00
0.0
1.17
0.20
0.00
0.0
1.19
0.22
0.00
0.0
1.21
0.23
0.00
0.0
1.23
0.25
0.00
0.0
1.25
0.27
0.00
0.0
1.27
0.29
0.00
0.0
1.29
0.31
0.00
0.0
1.31
0.33
0.00
0.0
1.33
0.35
0.00
0.0
1.35
0.37
0.00
0.0
1.37
0.39
0.00
0.0
1.39
0.41
0.00
0.0
1.41
0.43
0.00
0.0
1.43
0.45
0.00
0.0
1.45
0.47
0.00
0.0
1.47
0.49
0.00
0.0
1.48
0.51
0.01
0.1
1.50
0.53
0.03
0.3
1.52
0.55
0.05
0.5
1.54
0.57
0.07
0.7
1.56
0.59
0.08
0.9
1.58
0.61
0.10
1.1
1.60
0.63
0.12
1.3
1.62
0.65
0.14
1.4
1.64
0.66
0.16
1.6
1.66
0.68
0.18
1.8
1.68
0.70
0.20
2.0
1.70
0.72
0.22
2.2
1.72
0.74
0.24
2.4
1.74
0.76
0.26
2.6
1.76
0.78
0.28
2.8
1.78
0.80
0.30
3.0
1.80
0.82
0.31
3.2
1.82
0.84
0.33
3.4
1.84
0.86
0.35
3.6
1.86
0.88
0.37
3.8
1.88
0.90
0.39
4.0
1.90
0.92
0.41
4.2
1.91
0.94
0.43
4.4
1.93
0.96
0.45
4.6
1.95
0.98
0.47
4.8
1.97
PD
PD
PD
VOLT
2
(MPa)
(kg/cm
)
(MPa)
0.49
5.0
1.99
1.46
0.51
5.2
2.01
1.48
0.53
5.4
2.03
1.50
0.54
5.5
2.05
1.52
0.56
5.7
2.07
1.54
0.58
5.9
2.09
1.56
0.60
6.1
2.11
1.58
0.62
6.3
2.13
1.60
0.64
6.5
2.15
1.62
0.66
6.7
2.17
1.64
0.68
6.9
2.19
1.66
0.70
7.1
2.21
1.67
0.72
7.3
2.23
1.69
0.74
7.5
2.25
1.71
0.76
7.7
2.27
1.73
0.77
7.9
2.29
1.75
0.79
8.1
2.31
1.77
0.81
8.3
2.32
1.79
0.83
8.5
2.34
1.81
0.85
8.7
2.36
1.83
0.87
8.9
2.38
1.85
0.89
9.1
2.40
1.87
0.91
9.3
2.42
1.89
0.93
9.5
2.44
1.90
0.95
9.6
2.46
1.92
0.97
9.8
2.48
1.94
0.99
10.0
2.50
1.96
1.00
10.2
2.52
1.98
1.02
10.4
2.54
2.00
1.04
10.6
2.56
2.02
1.06
10.8
2.58
2.04
1.08
11.0
2.60
2.06
1.10
11.2
2.62
2.08
1.12
11.4
2.64
2.10
1.14
11.6
2.66
2.12
1.16
11.8
2.68
2.13
1.18
12.0
2.70
2.15
1.20
12.2
2.72
2.17
1.21
12.4
2.73
2.19
1.23
12.6
2.75
2.21
1.25
12.8
2.77
2.23
1.27
13.0
2.79
2.25
1.29
13.2
2.81
2.27
1.31
13.4
2.83
2.29
1.33
13.6
2.85
2.31
1.35
13.8
2.87
2.33
1.37
13.9
2.89
2.35
1.39
14.1
2.91
2.36
1.41
14.3
2.93
2.38
1.43
14.5
2.95
2.40
1.44
14.7
2.97
2.42
150
159
PD
PD
PD
VOLT
2
(kg/cm
)
(MPa)
(kg/cm
14.9
2.99
2.44
24.9
15.1
3.01
2.46
25.1
15.3
3.03
2.48
25.3
15.5
3.05
2.50
25.5
15.7
3.07
2.52
25.7
15.9
3.09
2.54
25.9
16.1
3.11
2.56
26.1
16.3
3.13
2.57
26.3
16.5
3.15
2.59
26.4
16.7
3.16
2.61
26.6
16.9
3.18
2.63
26.8
17.1
3.20
2.65
27.0
17.3
3.22
2.67
27.2
17.5
3.24
2.69
27.4
17.7
3.26
2.71
27.6
17.9
3.28
2.73
27.8
18.0
3.30
2.75
28.0
18.2
3.32
2.77
28.2
18.4
3.34
2.79
28.4
18.6
3.36
2.80
28.6
18.8
3.38
2.82
28.8
19.0
3.40
2.84
29.0
19.2
3.42
2.86
29.2
19.4
3.44
2.88
29.4
19.6
3.46
2.90
29.6
19.8
3.48
2.92
29.8
20.0
3.50
2.94
30.0
20.2
3.52
2.96
30.2
20.4
3.54
2.98
30.4
20.6
3.56
3.00
30.5
20.8
3.57
3.02
30.7
21.0
3.59
3.03
30.9
21.2
3.61
3.05
31.1
21.4
3.63
3.07
31.3
21.6
3.65
3.09
31.5
21.8
3.67
3.11
31.7
22.0
3.69
3.13
31.9
22.2
3.71
3.15
32.1
22.3
3.73
3.17
32.3
22.5
3.75
3.19
32.5
22.7
3.77
3.21
32.7
22.9
3.79
3.23
32.9
23.1
3.81
3.25
33.1
23.3
3.83
3.26
33.3
23.5
3.85
3.28
33.5
23.7
3.89
3.30
33.7
23.9
3.89
3.32
33.9
24.1
3.91
3.34
34.1
24.3
3.93
3.36
34.3
24.5
3.95
3.38
34.5
24.7
3.97
3.40
34.7
PD
PD
VOLT
2
2
)
(MPa)
(kg/cm
)
3.98
3.42
34.8
4.00
3.44
35.0
4.02
3.45
35.2
4.04
3.48
35.4
4.06
3.49
35.6
4.08
3.51
35.8
4.10
3.53
36.0
4.12
3.55
36.2
4.14
3.57
36.4
4.16
3.59
36.6
4.18
3.61
36.8
4.20
3.63
37.0
4.22
3.65
37.2
4.24
3.67
37.4
4.26
3.69
37.6
4.28
3.70
37.8
4.30
3.72
38.0
4.32
3.74
38.2
4.34
3.76
38.4
4.36
3.78
38.6
4.38
3.80
38.8
4.40
3.82
38.9
4.41
3.84
39.1
4.43
3.86
39.3
4.45
3.88
39.5
4.47
3.90
39.7
4.49
3.92
39.9
4.51
3.93
40.1
4.53
3.95
40.3
4.55
3.97
40.5
4.57
3.99
40.7
4.59
4.01
40.9
4.61
4.03
41.1
4.63
4.05
41.3
4.65
4.07
41.5
4.67
4.09
41.7
4.69
4.11
41.9
4.71
4.13
42.1
4.73
4.15
42.3
4.75
4.16
42.5
4.77
4.18
42.7
4.79
4.20
42.9
4.81
4.22
43.0
4.82
4.24
43.2
4.84
4.26
43.4
4.86
4.28
43.6
4.88
4.30
43.8
4.90
4.32
44.0
4.92
4.34
44.2
4.94
4.36
44.4
4.96
4.38
44.6
4.98
4.39
44.8
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