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9-8. Pressure sensor output check
Outdoor Unit
Pd sensor characteristics
0 to 3.73 MPa (0.5 to 4.3 V output for 0 to 3.73 MPa)
Voltage readings across pins 1 and 3 of CN501 on I/F P.C. board (with negative-side probe of multimeter placed
on pin 3)
Pd
Pd
VOLT
VOLT
2
(MPa)
(kg/cm
)
0
0
0
1.00
0
1.02
0.02
0
0
1.04
0.04
0
0
0
1.05
0.06
0
0
1.07
0.08
0
0
1.09
0.10
0
0
1.11
0.12
0
0
1.13
0.14
0
0
1.15
0.16
0
0
1.17
0.18
0
0
1.19
0.20
0
0
1.21
0.21
0
0
1.23
0.23
0
0
1.25
0.25
0
0.27
0
1.27
0
0.29
0
1.29
0
0.31
0
1.31
0
1.33
0.33
0
0
1.35
0.35
0
0
0
1.37
0.37
0
0
1.39
0.39
0
0
1.41
0.41
0
0
1.43
0.43
0
0
1.45
0.45
0
0
1.46
0.47
0
0
1.48
0.49
0.0077
0.15
1.50
0.51
0.0268
0.34
1.52
0.53
0.0460
0.54
1.54
0.55
0.0652
0.73
1.56
0.57
0.0844
0.59
0.93
1.58
0.1035
0.61
1.12
1.60
0.1227
0.63
1.32
1.62
0.1419
1.64
0.64
1.51
0.1610
1.66
0.66
1.71
0.1802
1.91
1.68
0.68
0.1994
2.10
1.70
0.70
0.2186
2.30
1.72
0.72
0.2377
2.49
1.74
0.74
0.2569
2.69
1.76
0.76
0.2761
2.88
1.78
0.78
0.2952
3.08
1.80
0.80
0.3144
3.27
1.82
0.82
0.3336
3.47
1.84
0.84
0.3528
3.67
1.86
0.86
0.3719
3.86
1.88
0.88
0.3911
0.90
4.06
1.89
0.4103
0.92
4.25
1.91
0.4294
0.94
4.45
1.93
0.4486
0.96
4.64
1.95
0.4678
1.97
0.98
4.84
Pd
Pd
Pd
VOLT
2
(MPa)
(kg/cm
)
(MPa)
0.4870
5.03
1.99
1.4647
0.5061
5.23
2.01
1.4839
0.5253
5.42
2.03
1.5030
1.5222
0.5445
5.62
2.05
1.5414
0.5636
5.82
2.07
1.5606
0.5828
6.01
2.09
1.5797
0.6020
6.21
2.11
1.5989
0.6212
6.40
2.13
1.6181
0.6403
6.60
2.15
1.6372
0.6595
6.79
2.17
1.6564
0.6787
6.99
2.19
1.6756
0.6978
7.18
2.21
2.23
1.6948
0.7170
7.38
2.25
1.7139
0.7362
7.58
7.77
2.27
1.7331
0.7554
7.97
2.29
1.7523
0.7745
0.7937
8.16
2.30
1.7714
0.8129
8.36
2.32
1.7906
0.8320
8.55
2.34
1.8098
1.8290
0.8512
8.75
2.36
1.8481
0.8704
8.94
2.38
1.8673
0.8896
9.14
2.40
1.8865
0.9087
9.33
2.42
1.9056
0.9279
9.53
2.44
1.9248
0.9471
9.73
2.46
1.9440
0.9662
9.92
2.48
1.9632
0.9854
10.12
2.50
1.9823
1.0046
10.31
2.52
2.54
2.0015
1.0238
10.51
2.56
2.0207
1.0429
10.70
10.90
2.58
2.0398
1.0621
11.09
2.60
2.0590
1.0813
1.1004
11.29
2.62
2.0782
1.1196
11.49
2.64
2.0974
1.1388
11.68
2.66
2.1165
2.1357
1.1580
11.88
2.68
2.1549
1.1771
12.07
2.70
2.1740
1.1963
12.27
2.71
2.1932
1.2155
12.46
2.73
2.2124
1.2346
12.66
2.75
2.2316
1.2538
12.85
2.77
2.2507
1.2730
13.05
2.79
2.2699
1.2922
13.24
2.81
1.3113
13.44
2.83
2.2891
2.85
1.3305
13.64
2.3082
2.87
1.3497
13.83
2.3274
14.03
2.89
1.3688
2.3466
14.22
2.91
1.3880
2.3658
1.4072
14.42
2.93
2.3849
1.4264
14.61
2.95
2.4041
1.4455
14.81
2.97
2.4233
138
159
Pd
Pd
Pd
VOLT
2
2
(kg/cm
)
(MPa)
(kg/cm
2.99
15.00
2.4424
24.97
3.01
15.20
2.4616
25.17
3.03
15.40
2.4808
25.37
3.05
15.59
2.5000
25.56
3.07
15.79
2.5191
25.76
3.09
15.98
2.5383
25.95
16.18
3.11
2.5575
26.15
16.37
3.13
2.5766
26.34
16.57
3.14
2.5958
26.54
16.76
3.16
2.6150
26.73
16.96
3.18
2.6342
26.93
17.15
3.20
2.6533
27.12
17.35
3.22
2.6725
27.32
3.24
17.55
2.6917
27.52
3.26
17.74
2.7108
27.71
3.28
17.94
2.7300
27.91
3.30
18.13
2.7492
28.10
3.32
18.33
2.7684
28.30
3.34
18.52
2.7875
28.49
3.36
18.72
2.8067
28.69
3.38
18.91
2.8259
28.88
3.40
19.11
2.8450
29.08
19.30
3.42
2.8642
29.28
19.50
3.44
2.8834
29.47
19.70
3.46
2.9026
29.67
19.89
3.48
2.9217
29.86
20.09
3.50
2.9409
30.06
20.28
3.52
2.9601
30.25
20.48
3.54
2.9792
30.45
3.55
20.67
2.9984
30.64
3.57
20.87
3.0176
30.84
3.59
21.06
3.0368
31.03
3.61
21.26
3.0559
31.23
3.63
21.46
3.0751
31.43
3.65
21.65
3.0943
31.62
3.67
21.85
3.1134
31.82
3.69
22.04
3.1326
32.01
3.71
22.24
3.1518
32.21
22.43
3.73
3.1710
32.40
22.63
3.75
3.1901
32.60
22.82
3.77
3.2093
32.79
23.02
3.79
3.2285
32.99
23.21
3.81
3.2476
33.19
23.41
3.83
3.2668
33.38
23.61
3.85
3.2860
33.58
3.87
23.80
3.3052
33.77
3.89
24.00
3.3243
33.97
3.91
24.19
3.3435
34.16
3.93
24.39
3.3627
34.36
3.95
24.58
3.3818
34.55
3.96
24.78
3.4010
34.75
3.98
3.4202
34.94
Pd
Pd
VOLT
2
)
(MPa)
(kg/cm
)
4.00
3.4394
35.14
4.02
3.4585
35.34
4.04
3.4777
35.53
4.06
3.4969
35.73
4.08
3.5160
35.92
4.10
3.5352
36.12
4.12
3.5544
36.31
4.14
36.51
3.5736
4.16
36.70
3.5927
4.18
3.6119
36.90
4.20
3.6311
37.09
4.22
3.6502
37.29
4.24
3.6694
37.49
4.26
3.6886
37.68
4.28
3.7078
37.88
4.30
3.7269
38.07
4.32
3.7461
38.27
4.34
3.7653
38.46
4.36
3.7844
38.66
4.38
3.8036
38.85
4.39
3.8228
39.05
4.41
3.8420
39.25
4.43
3.8611
39.44
4.45
39.64
3.8803
4.47
39.83
3.8995
4.49
3.9186
40.03
4.51
3.9378
40.22
4.53
3.9570
40.42
4.55
3.9762
40.61
4.57
3.9953
40.81
4.59
4.0145
41.00
4.61
4.0337
41.20
4.63
4.0528
41.40
4.65
4.0720
41.59
4.67
4.0912
41.79
4.69
4.1104
41.98
4.71
4.1295
42.18
4.73
4.1487
42.37
4.75
4.1679
42.57
4.77
42.76
4.1870
4.79
42.96
4.2062
4.80
4.2254
43.16
4.82
4.2446
43.35
4.84
4.2637
43.55
4.86
4.2829
43.74
4.88
4.3021
43.94
4.90
4.3212
44.13
4.92
4.3404
44.33
4.94
4.3596
44.52
4.96
4.3788
44.72
4.98
4.3979
44.93
5.00
4.4171
44.93
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