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Pressure Sensor Output Check; Pd Sensor Characteristics - Toshiba MMY-MUP0801HT8JP Service Manual

Air conditioner (multi type) super modular multi system-u smms-u
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8-11. Pressure Sensor Output Check

Outdoor Unit

Pd sensor characteristics

0 to 4.15 MPa (0.5 to 4.73V output for 0 to 4.15 MPa)
Voltage readings across pins 2 and 3 of CN501 on indoor unit main P.C. board (with negative-side probe of
multimeter placed on pin 3)
VOLT
Pd
Pd
VOLT
2
(MPa)
(kg/cm
)
0.00
0.00
0.0
0.02
0.00
0.0
0.04
0.00
0.0
0.06
0.00
0.0
0.08
0.00
0.0
0.10
0.00
0.0
0.12
0.00
0.0
0.14
0.00
0.0
0.16
0.00
0.0
0.18
0.00
0.0
0.20
0.00
0.0
0.22
0.00
0.0
0.23
0.00
0.0
0.25
0.00
0.0
0.27
0.00
0.0
0.29
0.00
0.0
0.31
0.00
0.0
0.33
0.00
0.0
0.35
0.00
0.0
0.37
0.00
0.0
0.39
0.00
0.0
0.41
0.00
0.0
0.43
0.00
0.0
0.45
0.00
0.0
0.47
0.00
0.0
0.49
0.00
0.0
0.51
0.01
0.1
0.53
0.03
0.3
0.55
0.05
0.5
0.57
0.07
0.7
0.59
0.08
0.9
0.61
0.10
1.1
0.63
0.12
1.3
0.65
0.14
1.4
0.66
0.16
1.6
0.68
0.18
1.8
0.70
0.20
2.0
0.72
0.22
2.2
0.74
0.24
2.4
0.76
0.26
2.6
0.78
0.28
2.8
0.80
0.30
3.0
0.82
0.31
3.2
0.84
0.33
3.4
0.86
0.35
3.6
0.88
0.37
3.8
0.90
0.39
4.0
0.92
0.41
4.2
0.94
0.43
4.4
0.96
0.45
4.6
0.98
0.47
4.8
Pd
Pd
VOLT
2
(MPa)
(kg/cm
)
1.00
0.49
5.0
1.99
1.02
0.51
5.2
2.01
1.04
0.53
5.4
2.03
1.06
0.54
5.5
2.05
1.07
0.56
5.7
2.07
1.09
0.58
5.9
2.09
1.11
0.60
6.1
2.11
1.13
0.62
6.3
2.13
1.15
0.64
6.5
2.15
1.17
0.66
6.7
2.17
1.19
0.68
6.9
2.19
1.21
0.70
7.1
2.21
1.23
0.72
7.3
2.23
1.25
0.74
7.5
2.25
1.27
0.76
7.7
2.27
1.29
0.77
7.9
2.29
1.31
0.79
8.1
2.31
1.33
0.81
8.3
2.32
1.35
0.83
8.5
2.34
1.37
0.85
8.7
2.36
1.39
0.87
8.9
2.38
1.41
0.89
9.1
2.40
1.43
0.91
9.3
2.42
1.45
0.93
9.5
2.44
1.47
0.95
9.6
2.46
1.48
0.97
9.8
2.48
1.50
0.99
10.0
2.50
1.52
1.00
10.2
2.52
1.54
1.02
10.4
2.54
1.56
1.04
10.6
2.56
1.58
1.06
10.8
2.58
1.60
1.08
11.0
2.60
1.62
1.10
11.2
2.62
1.64
1.12
11.4
2.64
1.66
1.14
11.6
2.66
1.68
1.16
11.8
2.68
1.70
1.18
12.0
2.70
1.72
1.20
12.2
2.72
1.74
1.21
12.4
2.73
1.76
1.23
12.6
2.75
1.78
1.25
12.8
2.77
1.80
1.27
13.0
2.79
1.82
1.29
13.2
2.81
1.84
1.31
13.4
2.83
1.86
1.33
13.6
2.85
1.88
1.35
13.8
2.87
1.90
1.37
13.9
2.89
1.91
1.39
14.1
2.91
1.93
1.41
14.3
2.93
1.95
1.43
14.5
2.95
1.97
1.44
14.7
2.97
Pd
Pd
VOLT
Pd
2
(MPa)
(kg/cm
)
(MPa)
1.46
14.9
2.99
2.44
1.48
15.1
3.01
2.46
1.50
15.3
3.03
2.48
1.52
15.5
3.05
2.50
1.54
15.7
3.07
2.52
1.56
15.9
3.09
2.54
1.58
16.1
3.11
2.56
1.60
16.3
3.13
2.57
1.62
16.5
3.15
2.59
1.64
16.7
3.16
2.61
1.66
16.9
3.18
2.63
1.67
17.1
3.20
2.65
1.69
17.3
3.22
2.67
1.71
17.5
3.24
2.69
1.73
17.7
3.26
2.71
1.75
17.9
3.28
2.73
1.77
18.0
3.30
2.75
1.79
18.2
3.32
2.77
1.81
18.4
3.34
2.79
1.83
18.6
3.36
2.80
1.85
18.8
3.38
2.82
1.87
19.0
3.40
2.84
1.89
19.2
3.42
2.86
1.90
19.4
3.44
2.88
1.92
19.6
3.46
2.90
1.94
19.8
3.48
2.92
1.96
20.0
3.50
2.94
20.2
3.52
2.96
1.98
2.00
20.4
3.54
2.98
2.02
20.6
3.56
3.00
2.04
20.8
3.57
3.02
2.06
21.0
3.59
3.03
2.08
21.2
3.61
3.05
2.10
21.4
3.63
3.07
2.12
21.6
3.65
3.09
2.13
21.8
3.67
3.11
2.15
22.0
3.69
3.13
2.17
22.2
3.71
3.15
2.19
22.3
3.73
3.17
2.21
22.5
3.75
3.19
2.23
22.7
3.77
3.21
2.25
22.9
3.79
3.23
2.27
23.1
3.81
3.25
2.29
23.3
3.83
3.26
2.31
23.5
3.85
3.28
2.33
23.7
3.89
3.30
2.35
23.9
3.89
3.32
2.36
24.1
3.91
3.34
2.38
24.3
3.93
3.36
2.40
24.5
3.95
3.38
2.42
24.7
3.97
3.40
- 245 -
Pd
VOLT
Pd
2
(kg/cm
)
(MPa)
(kg/cm
24.9
3.98
3.42
25.1
4.00
3.44
25.3
4.02
3.45
25.5
4.04
3.48
25.7
4.06
3.49
25.9
4.08
3.51
26.1
4.10
3.53
26.3
4.12
3.55
26.4
4.14
3.57
26.6
4.16
3.59
26.8
4.18
3.61
27.0
4.20
3.63
27.2
4.22
3.65
27.4
4.24
3.67
27.6
4.26
3.69
27.8
4.28
3.70
28.0
4.30
3.72
28.2
4.32
3.74
28.4
4.34
3.76
28.6
4.36
3.78
28.8
4.38
3.80
29.0
4.40
3.82
29.2
4.41
3.84
29.4
4.43
3.86
29.6
4.45
3.88
29.8
4.47
3.90
30.0
4.49
3.92
30.2
4.51
3.93
3.04
4.53
3.95
30.5
4.55
3.97
30.7
4.57
3.99
30.9
4.59
4.01
31.1
4.61
4.03
31.3
4.63
4.05
31.5
4.65
4.07
4.67
4.09
31.7
31.9
4.69
4.11
32.1
4.71
4.13
32.3
4.73
4.15
32.5
32.7
32.9
33.1
33.3
33.5
33.7
33.9
34.1
34.3
34.5
34.7
Pd
2
)
34.8
35.0
35.2
35.4
35.6
35.8
36.0
36.2
36.4
36.6
36.8
37.0
37.2
37.4
37.6
37.8
38.0
38.2
38.4
38.6
38.8
38.9
39.1
39.3
39.5
39.7
39.9
40.1
40.3
40.5
40.7
40.9
41.1
41.3
41.5
41.7
41.9
42.1
42.3
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