D. Controls (as required by control manufacturer)
1
.
1. Safety Relief Valve. Conduct try lever test as outlined in manufacturer’s instruction tag on the
safety relief valve.
2. Low Water Cut-off (if used). Follow instructions provided by control manufacturer.
E. General Inspection and Maintenance (Annual).
For continued safe operation a qualified service
agency must provide a more detailed inspection of burners, heat exchanger and vent system, and
provide maintenance as specified in the Installation, Operation and Maintenance Manual.
9
Figure 5: Intermittent Pilot and Main Burner Flames
1
Controls maintenance may be part of annual inspection and maintenance by a qualified service agency if annual frequency is
x
specified by controls manufacturer.
Figure 6: Standing Pilot and Main Burner Flames
