139
107774-02- 4/18
XV. Troubleshooting
(continued)
Figure 15.2: Pressure Switch Tubing Connections
Table 15.3a: Supply, Return and Flue
Temperature Sensor
Temperature versus Resistance
Temperature
Ohms of
Resistance
°F
°C
32
0
32624
50
10
19897
68
20
12493
77
25
10000
86
30
8056
104
40
5324
122
50
3599
140
60
2483
158
70
1748
176
80
1252
194
90
912
212
100
674
230
110
506
248
120
384
Table 15.3b: Outdoor Air Temperature Sensor
Temperature versus Resistance
Outdoor Temperature
Ohms of
Resistance
°F
°C
-20
-28.9
106926
-10
-23.3
80485
0
-17.8
61246
10
-12.2
47092
20
-6.7
36519
30
-1.1
28558
40
4.4
22537
50
10.0
17926
60
15.6
14356
70
21.1
11578
76
24.4
10210
78
25.6
9795
80
26.7
9398
90
32.2
7672
100
37.8
6301
110
43.3
5203
120
48.9
4317
Summary of Contents for K2WTC-135
Page 81: ...81 107774 02 4 18 X Domestic Hot Water Piping continued Figure 10 1 Domestic Hot Water Piping...
Page 89: ...89 107774 02 4 18 XI Wiring continued...
Page 90: ...90 107774 02 4 18 Figure 11 8 Internal Wiring Connections Diagram XI Wiring continued...
Page 101: ...101 107774 02 4 18 Lighting and Operating Instructions XII Start Up and Checkout continued...
Page 142: ...142 107774 02 4 18 XVI Repair Parts continued...
Page 145: ...145 107774 02 4 18 XVI Repair Parts continued...
Page 148: ...148 107774 02 4 18 XVI Repair Parts continued...
Page 150: ...150 107774 02 4 18 XVI Repair Parts continued...
Page 152: ...152 107774 02 4 18 XVI Repair Parts continued 120 121 122 123 124 125 126 127...
Page 159: ...159 107774 02 4 18 SERVICE RECORD DATE SERVICE PERFORMED...