Part 11 - Installation Checklist - Westinghouse Premium WGRT 199 Series Installation, Start-Up, Maintenance, Parts, Warranty

60
DHW Inlet Temperature Sensor
(7850P-015)
Exhaust Temperature Sensor
(7850P-070)
o
Temperature ( F) Resistance (Ω)
-4 62162
5 48440
14 38045
23 30107
32 23998
41 19261
50 15562
59 12655
68 10353
77
86
95
104
113
122
131
140
149
158
167
176
185
194
203
212
Table 37 - Temperature Sensor Resistance

Part 11 - Installation Checklist

Before Installing
Is there enough space to ensure proper installation?
Does installation location allow for proper service clearances?
Are water and gas lines properly sized and set at proper pressures for the installation?
Is water heater location as near the exhaust vent / intake pipe terminations as possible?
Have combustible materials been cleared from the installation location?
Is there a drain close to the water heater?
Water Piping
Does water heater loop piping meet the minimum sizing requirements listed?
NOTE: Smaller piping will cause performance problems.
Has water chemistry been checked?
Does water chemistry meet requirements?
If water chemistry does not meet requirements, have treatment measures been put in place?
Has the system been cleaned and flushed?
Install Exhaust Vent and Intake Piping
Has the water heater been vented with the approved materials listed in this manual or to meet local codes?
Is air supply sufficient for proper water heater operation?
Is total vent piping length within the maximum vent length restriction listed in this manual?
whl-004 Rev. 000 Rel. 013 Date 5.1.18
DHW Outlet Temperature Sensor
(7850P-019)
HX (OP) Temperature Sensor
(7850P-081)
Temperature (
-4
5
14
23
32
41
50
59
68
8520 77
7051 86
5867 95
4908 104
4125 113
3485 122
2957 131
2520 140
2157 149
1854 158
1600 167
1386 176
1205 185
1051 194
920 203
808 212
o
F) Resistance (Ω)
28409
22152
17408
13782
10990
8824
7131
5800
4747
3906
3233
2690
2250
1891
1598
1356
1155
989
850
733
635
552
482
421
370
Figure 57 - Flame Sight Glass
Yes
Yes
Yes
No
No
No