User Guide

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7. Check main burner flames. See Figure 5. The flames should have clearly defined inner cones
approximately 1-1/2" (40 mm) high and should have a very sharp blue color characteristic. If the
flame is yellow and lazy, follow instructions TO TURN OFF GAS TO APPLIANCE (see Figures 2
& 3) and contact qualified service agency.
8. Adjust all thermostats to lowest setting to shut down boiler.
9. Replace burner observation cover and control access panel.
10. Adjust thermostats to normal setting.
D. Controls (as required by control manufacturer)
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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.
Figure 5: Intermittent Ignition Pilot Configuration and Flames
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Controls maintenance may be part of annual inspection and maintenance by a qualified service agency if annual frequency is
specified by controls manufacturer.