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C. Inspect Pilot and Main Burner Flames (Monthly).
1. Remove front jacket panel by lifting and pulling
out.
2. Adjust thermostat to highest setting. Verify
operation follows Sequence of Operation (see
page 3).
3. View flames through observation port. See
Figure 1.
4. Check pilot flame. See Figure 6. The pilot flame
should be medium blue covering approximately
3/8" to 1/2" of the thermocouple. If the flame is
yellow and lazy, follow instructions TO TURN
OFF GAS TO APPLIANCE (see Figures 3-5),
and contact a qualified service agency.
5. Check main burner flames. See Figure 6. The
flames should have clearly defined inner cones
approximately 1-1/2" 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 3-5),
and contact a qualified service agency.
1
Controls maintenance may be part of annual inspection and maintenance by a qualified service agency if annual
frequency is specified by controls manufacturer.
USER'S INFORMATION MANUAL
Figure 6: Intermittent Ignition Pilot Configuration and Flames
6. Adjust thermostats to normal setting.
7. Install front jacket panel.
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.
PAGE 7
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