Table of Contents
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Q
R1 – W2
P
1 – 2
O
W1 – W2
Thermistor Resistance Chart
32
23.73
33.8
22.706
35.6
21.733
37.4
20.806
39.2
19.925
41
19.085
42.8
18.286
44.6
17.525
46.4
16.799
48.2
16.108
50
15.449
51.8
14.82
53.6
14.221
55.4
13.469
57.2
13.104
59
12.583
60.8
12.086
62.6
11.611
64.4
11.157
66.2
10.723
68
10.309
69.8
9.913
71.6
9.534
73.4
9.172
75.2
8.826
DC8 – 30V
(measured 2 minutes
after combustion
startup)
DC8 – 30V
(measured 2 minutes
after combustion
startup)
Less than 1V DC;
Less than 1Ω
77
8.494
78.8
8.177
80.6
7.873
82.4
7.583
84.2
7.304
86
7.037
87.8
6.781
89.6
6.536
91.4
6.302
93.2
6.076
95
5.86
96.8
5.653
98.6
5.454
100.4
5.264
102.2
5.081
104
4.905
105.8
4.736
107.6
4.574
109.4
4.418
111.2
4.269
113
4.125
114.8
3.987
116.6
3.854
118.4
3.726
120.2
3.603
SVC 810 Tankless Troubleshooting Manual
Is the thermo-electromotive force OK?
Is the air intake switch working?
122
3.485
123.8
3.371
125.6
3.262
127.4
3.156
129.2
3.055
131
2.957
132.8
2.863
134.6
2.773
136.4
2.686
138.2
2.602
140
2.52
141.8
2.442
143.6
2.367
145.4
2.295
147.2
2.225
149
2.157
150.8
2.092
152.6
2.029
154.4
1.968
156.2
1.91
158
1.853
159.8
1.799
161.6
1.746
163.4
1.695
165.2
1.646
19
167
1.598
168.8
1.552
170.6
1.508
172.4
1.465
174.2
1.424
176
1.384
177.8
1.345
179.6
1.307
181.4
1.271
183.2
1.236
185
1.202
186.8
1.169
188.6
1.137
190.4
1.106
192.2
1.077
194
1.048
195.8
1.02
197.6
0.993
199.4
0.966
201.2
0.941
203
0.916
204.8
0.893
206.6
0.869
208.4
0.847
210.2
0.825
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