Troubleshooting
Electrical Control System
181
Appendix
1 Temperature Sensor Resistance Value Table (
℃
--K)
℃
K Ohm
℃
K Ohm
℃
K Ohm
℃
K Ohm
-20
115.266
20
12.6431
60
2.35774
100
0.62973
-19
108.146
21
12.0561
61
2.27249
101
0.61148
-18
101.517
22
11.5000
62
2.19073
102
0.59386
-17
96.3423
23
10.9731
63
2.11241
103
0.57683
-16
89.5865
24
10.4736
64
2.03732
104
0.56038
-15
84.2190
25
10.000
65
1.96532
105
0.54448
-14
79.3110
26
9.55074
66
1.89627
106
0.52912
-13
74.5360
27
9.12445
67
1.83003
107
0.51426
-12
70.1698
28
8.71983
68
1.76647
108
0.49989
-11
66.0898
29
8.33566
69
1.70547
109
0.48600
-10
62.2756
30
7.97078
70
1.64691
110
0.47256
-9
58.7079
31
7.62411
71
1.59068
111
0.45957
-8
56.3694
32
7.29464
72
1.53668
112
0.44699
-7
52.2438
33
6.98142
73
1.48481
113
0.43482
-6
49.3161
34
6.68355
74
1.43498
114
0.42304
-5
46.5725
35
6.40021
75
1.38703
115
0.41164
-4
44.0000
36
6.13059
76
1.34105
116
0.40060
-3
41.5878
37
5.87359
77
1.29078
117
0.38991
-2
39.8239
38
5.62961
78
1.25423
118
0.37956
-1
37.1988
39
5.39689
79
1.21330
119
0.36954
0
35.2024
40
5.17519
80
1.17393
120
0.35982
1
33.3269
41
4.96392
81
1.13604
121
0.35042
2
31.5635
42
4.76253
82
1.09958
122
0.3413
3
29.9058
43
4.57050
83
1.06448
123
0.33246
4
28.3459
44
4.38736
84
1.03069
124
0.32390
5
26.8778
45
4.21263
85
0.99815
125
0.31559
6
25.4954
46
4.04589
86
0.96681
126
0.30754
7
24.1932
47
3.88673
87
0.93662
127
0.29974
8
22.5662
48
3.73476
88
0.90753
128
0.29216
9
21.8094
49
3.58962
89
0.87950
129
0.28482
10
20.7184
50
3.45097
90
0.85248
130
0.27770
11
19.6891
51
3.31847
91
0.82643
131
0.27078
12
18.7177
52
3.19183
92
0.80132
132
0.26408
13
17.8005
53
3.07075
93
0.77709
133
0.25757
14
16.9341
54
2.95896
94
0.75373
134
0.25125
15
16.1156
55
2.84421
95
0.73119
135
0.24512
16
15.3418
56
2.73823
96
0.70944
136
0.23916
17
14.6181
57
2.63682
97
0.68844
137
0.23338
18
13.9180
58
2.53973
98
0.66818
138
0.22776
19
13.2631
59
2.44677
99
0.64862
139
0.22231
Summary of Contents for LCAC
Page 1: ...SERVICE MANUAL english LCAC AIR CONDITIONING SYSTEMS...
Page 2: ......
Page 4: ...ii General Information...
Page 15: ...Service Space 12 Indoor Units 3 Service Space 1000mm 1000mm 1000mm 1000m m...
Page 17: ...Air Velocity Distributions Reference Data 14 Indoor Units 36 42K Cooling Heating...
Page 18: ...Air Velocity Distributions Reference Data Indoor Units 15 50 60K Cooling Heating...
Page 23: ...Field Wiring 20 Indoor Units 9 Field Wiring...
Page 24: ...Wiring diagram Indoor Units 21 10 Wiring diagram V4MCI 24 V4MCI 36 V4MCI 42 V4MCI 50 V4MCI 60...
Page 31: ...Static Pressure 28 Indoor Units 4 Static Pressure V4MDI 12 V4MDI 18...
Page 32: ...Static Pressure Indoor Units 29 V4MDI 24...
Page 33: ...Static Pressure 30 Indoor Units V4MDI 36 V4MDI 42 V4MDI 50 V4MDI 60...
Page 39: ...Wiring Diagram Indoor Units 37...
Page 43: ...Service Space 42 Indoor Units 3 Service Space...
Page 52: ...Wiring Diagram Indoor Units 51 10 Field Wiring...
Page 53: ...Wiring Diagram 52 Indoor Units 11 Wiring diagram V4MKI 18...
Page 54: ...Ceiling Floor Type Indoor Units 53 V4MKI 36 V4MKI 24...
Page 55: ...Wiring Diagram 54 Indoor Units...
Page 59: ...Service Space 58 Indoor Units 3 Service Space...
Page 63: ...Wiring Diagram 62 Indoor Units 9 Field Wiring V4MCRI 12 V4MCRI 18...
Page 64: ...Field Wiring Indoor Units 63 10 Field Wiring V4MCRI 12 V4MCRI 18...
Page 68: ...Console Type Console Type 67 2 Dimensions 16 Drain pipe 195 Hanging arm Unit mm 700 600 210...
Page 69: ...Console Type 68 Console Type 3 Service Space...
Page 74: ...Console Type Console Type 73 9 Field Wiring V4MLI 12 V4MLI 18...
Page 75: ...Console Type 74 Console Type 10 Field Wiring V4MLI 12 V4MLI 18...
Page 79: ...Service Space 78 Floor standing Type 3 Service Space...
Page 80: ...Wiring Diagrams Floor standing Type 79 4 Wiring Diagrams V4MFI 24...
Page 85: ...Field Wiring 84 Floor standing Type 9 Field Wiring...
Page 86: ...Wiring diagram Floor standing Type 85 10 Wiring diagram V4MFI 24...
Page 90: ...Service Space Floor standing Type 89 3 Service Space...
Page 96: ...Field Wiring Floor standing Type 95 9 Field Wiring...
Page 97: ...Field Wiring 96 Floor standing Type 10 Field Wiring V1MFI 50B V1MFI 66B...
Page 100: ...Dimensions 100 Outdoor Units Model KBtu h Unit mm W D H W1 A B 50 60 952 415 1333 1045 634 404...
Page 103: ...4 Electric Characteristics U4MRS 12 U4MRS 18 U4MRS 24 U4MRS 36 U4MRT 42 U4MRT 50 U4MRT 60...
Page 106: ...Wiring diagram 106 Outdoor Units 7 Wiring diagram U4MRS 12 U4MRS 18...
Page 107: ...Wiring diagram Outdoor Units 107 U4MRS 24 U4MRS 36...
Page 108: ...Wiring diagram Outdoor Units 109 U4MRT 42 U4MRT 50 U4MRT 60...
Page 154: ...Troubleshooting Electrical Control System 157 2 1 8 Display board of Floor standing...
Page 168: ...Troubleshooting Electrical Control System 171 2 4 4 3 J4 malfunction J4...
Page 177: ...Troubleshooting 180 Electrical Control System 2 4 4 13 J0 malfunction J0...
Page 190: ...Scan here to download the latest version of this manual LCAC AIR CONDITIONING SYSTEMS...