Weil-McLain SVF 1500 Manual page 96

SVF
™
Series 1
Commercial Condensing Gas-Fired Water Boiler — Boiler Manual
Annual startup
Check all boiler wiring
Inspect all boiler wiring, making sure wires are in good condition
and securely att ached.
Check control settings
1. Use the display to navigate through all sett ings. Adjust sett ings
if necessary.
2. Check sett ings of external limit controls (if any) and adjust
if necessary.
Perform startup procedure per
manual
Perform all startup procedures on pages 88 through 91 .
Check burner fl ame
1. Inspect fl ame through the observation window using the
procedure on page 88 .
a. Th e high fi re fl ame should be blue and should be stable.
Th e burner surface should be covered with orange dots.
b. Th e low fi re fl ame should be stable and evenly distributed
over burner surface with a uniform orange color.
2. Perform the Check fl ame & combustion with instruments,
procedure on page 88 .
3. If the fl ame is unsatisfactory at either High fi re or Low fi re,
either visually or the inability to adjust the combustion within
the values shown in Figure 80 . Turn off the boiler and allow
the boiler to cool down.
To access the b urner:
Th e boiler contains ceramic fi ber materials. Use care
when handling these materials per instructions on
page 93 of this manual. Failure to comply could result
in severe personal injury.
1. Shut off power to unit.
2. Close the external manual gas valve to ensure no gas fl ow to
the unit.
3. Allow time for boiler to cool to room temperature if it has
been fi ring.
4. Remove the top rear and middle panels
5. Remove the eight (8) M6 nuts securing the burner access plate
with an 11mm socket or wrench
6. Lift the burner access plate straight up with the handle and
set aside.
7. Inspect the burner access plate gasket. If damaged, replace
with new.
8. Remove the eight (8) M6 nuts securing the burner with an
11mm socket or wrench.
9. Remove the burner.
a. Carefully lift the burner by hand using the inside baffl es.
b. Avoid dragging the fi ber mesh on any part of the boiler
during removal.
10. Inspect the graphite burner gasket. If damaged, replace with
new.
96
(continued)
Figure 87
Figure 88
Figure 89
Observation windows
Access plate up for burner removal and replacement
Burner removal and replacement position
Lift burner by hand using the
damage to gasket.
Observation windows
Eight (8) M6 nuts
already removed
Part number 550-100-250/0819