Resistance Chart / Sensor Definitions - Haier 2U18MS2VHB Service Manual

Ductless multi-split heat pump, outdoor/indoor, wall mount - highwall, 2'x2' compact cassette, 3'x3' large cassette, slim duct, mid-static ducted, medium static ducted, console
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Table of Contents
Abbr.
Definition
tAo
Temperature of outdoor ambient
tc
Temperature of outdoor condenser
td
Temperature of outdoor discharge
tE
Temperature of outdoor defrost
tS
Temperature of outdoor suction
tdr
Temperature of compressor driver module
Idr
Current of the compressor
10K Sensors: Ambient (all except ducted, cassette, and 9K-12K Tempo) suction, gas, defrost, and pipe sensors.
23K Sensors: Ambient sensors for ducted, cassette, and 9K-12K Tempo
50K Sensors: Discharge sensors
Normal (KΩ)
10K
23K
SENSORS
SENSORS
°F
°C
-22
-30
147.95
513.115
-20.2
-29
139.56
478.894
-18.4
-28
131.70
447.408
-16.6
-27
124.34
418.379
-14.8
-26
117.44
391.564
-13
-25
110.96
366.751
-11.2
-24
104.89
343.754
-9.4
-23
99.19
322.407
-7.6
-22
93.83
302.567
-5.8
-21
88.80
284.105
-4
-20
84.07
266.905
-2.2
-19
79.62
250.866
-0.4
-18
75.44
235.895
1.4
-17
71.50
221.911
3.2
-16
67.79
208.838
5
-15
64.30
196.609
6.8
-14
61.01
185.163
8.6
-13
57.91
174.443
10.4
-12
54.99
164.399
12.2
-11
52.23
154.983
14
-10
49.62
146.153
15.8
-9
47.17
137.87
17.6
-8
44.85
130.096
19.4
-7
42.65
122.799
21.2
-6
40.58
115.946
23
-5
38.62
109.51
24.8
-4
36.77
103.462
26.6
-3
35.01
97.779
28.4
-2
33.36
92.437
30.2
-1
31.78
87.415
32
0
30.30
82.691
33.8
1
28.89
78.248
35.6
2
27.55
74.067
37.4
3
26.29
70.133
39.2
4
25.09
66.43
41
5
23.95
62.943
42.8
6
22.87
59.659
44.6
7
21.84
56.566
46.4
8
20.87
53.651
48.2
9
19.94
50.904
50
10
19.06
48.314
51.8
11
18.23
45.872
53.6
12
17.43
43.569
55.4
13
16.68
41.395
57.2
14
15.96
39.343
59
15
15.28
37.406
60.8
16
14.63
35.577
62.6
17
14.01
33.848
64.4
18
13.42
32.215
66.2
19
12.86
30.671
68
20
12.32
29.21
69.8
21
11.81
27.828
71.6
22
11.33
26.521
73.4
23
10.86
25.283
75.2
24
10.42
24.111
77
25
10.00
23
78.8
26
9.60
21.947

Resistance Chart / Sensor Definitions

Topic Title
Type
10K
10K
50K
10K
10K
10K
10K
50K
SENSORS
°F
°C
12061.74
80.6
27
11267.87
82.4
28
84.2
29
10531.37
86
30
9847.72
87.8
31
9212.81
89.6
32
8622.85
8074.38
91.4
33
7564.22
93.2
34
7089.47
95
35
6647.45
96.8
36
6235.71
98.6
37
5851.99
100.4
38
5494.21
102.2
39
5160.46
104
40
4849.00
105.8
41
4558.19
107.6
42
4286.55
109.4
43
4032.71
111.2
44
113
45
3795.39
114.8
46
3573.43
116.6
47
3365.73
3171.31
118.4
48
2989.25
120.2
49
2818.67
122
50
2658.81
123.8
51
2508.91
125.6
52
2368.32
127.4
53
2236.39
129.2
54
2112.55
131
55
1996.25
132.8
56
1887.00
134.6
57
1784.33
136.4
58
1687.81
138.2
59
1597.04
140
60
141.8
61
1511.65
143.6
62
1431.28
145.4
63
1355.62
1284.36
147.2
64
1217.23
149
65
1153.96
150.8
66
1094.32
152.6
67
1038.07
154.4
68
985.01
156.2
69
934.94
158
70
887.68
159.8
71
843.05
161.6
72
800.89
163.4
73
761.06
165.2
74
723.41
167
75
168.8
76
687.82
170.6
77
654.16
172.4
78
622.32
174.2
79
592.18
563.66
176
80
536.65
177.8
81
511.08
179.6
82
486.94
181.4
83
TROUBLESHOOTING & REFERENCES
Abbr.
tAI
Temperature of indoor ambient
TCI
Temperature of indoor condenser
Toci
Hot Gas Leaving the 4-Way Valve
Tc2
EEV Liquid Sensor
Tc1
EEV Gas Sensor
Tm
Module Temp Sensor
TAI
Temperature of indoor ambient (9K/12K Tempo & All CAC)
Normal (KΩ)
10K
23K
50K
SENSORS
SENSORS
SENSORS
9.21
20.949
464.05
8.85
20.003
442.35
8.50
19.104
421.77
8.16
18.252
402.24
7.84
17.442
383.72
7.54
16.674
366.13
7.25
15.943
349.43
6.97
15.249
333.58
6.70
14.588
318.52
6.45
13.96
304.22
6.20
13.362
290.62
5.97
12.794
277.70
5.75
12.252
265.41
5.53
11.736
253.73
5.33
11.244
242.62
5.13
10.776
232.04
4.94
10.329
221.98
4.76
9.904
212.41
4.59
9.497
203.29
4.43
9.11
194.61
4.27
8.74
186.34
4.11
8.387
178.46
3.97
8.05
170.95
3.83
7.728
163.80
3.69
7.421
156.97
3.57
7.127
150.47
3.44
6.846
144.26
3.32
138.35
3.21
132.70
3.10
127.31
2.99
122.16
2.89
117.25
2.79
112.56
2.70
108.08
2.61
103.80
2.52
99.70
2.44
95.79
2.36
92.06
2.28
88.48
2.21
85.06
2.14
81.79
2.07
78.66
2.00
75.67
1.94
72.80
1.88
70.06
1.82
67.43
1.76
64.91
1.71
62.50
1.65
60.19
1.60
57.98
1.55
55.86
1.51
53.82
1.46
51.87
1.41
50.00
1.37
48.21
1.33
46.48
1.29
44.83
Definition
Normal (KΩ)
10K
23K
SENSORS
SENSORS
°F
°C
183.2
84
1.25
185
85
1.22
186.8
86
1.18
188.6
87
1.14
190.4
88
1.11
192.2
89
1.08
194
90
1.05
195.8
91
1.02
197.6
92
0.99
199.4
93
0.96
201.2
94
0.93
203
95
0.91
204.8
96
0.88
206.6
97
0.86
208.4
98
0.83
210.2
99
0.81
212
100
0.79
213.8
101
0.76
215.6
102
0.74
217.4
103
0.72
219.2
104
0.70
221
105
0.68
222.8
106
0.67
224.6
107
0.65
226.4
108
0.63
228.2
109
0.61
230
110
0.60
231.8
111
0.58
233.6
112
0.57
235.4
113
0.55
237.2
114
0.54
239
115
0.52
240.8
116
0.51
242.6
117
0.50
244.4
118
0.48
246.2
119
0.47
248
120
0.46
249.8
121
251.6
122
253.4
123
255.2
124
257
125
258.8
126
260.6
127
262.4
128
264.2
129
266
130
267.8
131
269.6
132
271.4
133
273.2
134
275
135
276.8
136
278.6
137
280.4
138
282.2
139
284
140
Type
10K
10K
10K
10K
10K
10K
23K
50K
SENSORS
43.25
41.72
40.26
38.85
37.50
36.21
34.96
33.77
32.62
31.51
30.45
29.42
28.44
27.50
26.59
25.71
24.87
24.06
23.28
22.52
21.80
21.10
20.43
19.78
19.16
18.56
17.98
17.42
16.88
16.36
15.85
15.37
14.90
14.45
14.01
13.59
13.19
12.80
12.42
12.05
11.70
11.35
11.02
10.70
10.40
10.10
9.81
9.53
9.26
9.00
8.74
8.50
8.26
8.03
7.81
7.60
7.39
J-7

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