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Weil-McLain WM97+70 Specifications Page 5
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P
art number 550-142-120/0113
– 5 –
WM97+
gas
-
fired
w
a
ter
boiler
—
Boiler Manual
The WM97+155 Gas-fir
ed water boiler
(continued)
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...
135
136
Boiler Manual
1
Contents
6
Please read before proceeding
7
Boiler location
8
Boiler location (continued)
9
Wall-mounting the boiler
10
(continued)
11
Boiler hydrostatic test
12
(see legend at right)
13
(see legend below)
13
Part number 550-142-120/0113
14
(cont.)
15
Gas piping — sizing gas lines
18
Venting/air piping — general
19
Vent termination requirements
23
Boiler room air openings
24
Sidewall with separate pipes
27
Sidewall concentric
29
Vertical with separate pipes
31
Vertical concentric
33
Prepare roof penetrations
34
Mount concentric termination
34
USE SWEEP ELBOWS FOR ALL
36
VENT AND AIR PIPING — DO NOT
36
Install water piping
37
WM97+70 or 110 only
40
WM97+155 only
41
Existing expansion tanks
42
Expansion tank — WM97+155
43
System piping (continued)
45
Multiple boiler installations
56
Install condensate line
62
Gas piping
63
Field wiring
64
Field wiring (continued)
65
Wiring diagram — schematic
67
Wiring diagram — ladder
68
ONLY if the system meets the
69
WM97+ control operation
71
WM97+ control settings
74
BOILER SETTINGS menus
75
HEAT SETTINGS menus
77
DHW SETTINGS menus
80
CIRCULATOR EXERCISING and
82
DIAGNOSTIC menu
83
DIAGNOSTICS menu (continued)
84
MAINTENANCE INFO
86
Startup — fill the system
87
Freeze protection (if used)
88
Startup — final checks
89
70 or 110
89
Check water piping
90
Check gas piping
90
Check-out/startup verification
94
Owner maintenance
95
Service technician
95
Annual startup
96
Annual startup (continued)
100
Troubleshooting
102
Troubleshooting (continued)
103
Maintenance
110
Inspect and clean the burner
112
Tools required
112
Before proceeding:
112
Cleaning the WM97+155 heat
115
Replacement parts
118
Replacement parts (continued)
119
Dimensions
132
Ratings — WM97+ boilers
133
HIGH __ MED __ LOW __OFF __
135
HIGH __ LOW __ MED __OFF __
136
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