Inspecting Burners; Cleaning And Maintenance - Desa Design Dynamics VTD-18N-BTB Owner's Operation And Installation Manual

OPERATING APPLIANCE
Continued
INSPECTING BURNER
Check pilot fl ame pattern and burner fl ame patterns often.
PILOT FLAME PATTERN
Figure 16 shows a correct pilot fl ame pat tern. Figure 17 shows an
incorrect pilot fl ame pattern. The incorrect pilot fl ame is not touch ing
the thermo couple. This will cause the thermo couple to cool. When
the thermo couple cools, the appliance will shut down.
If pilot fl ame pattern is incorrect, as shown in Figure 17
• turn appliance off (see To Turn Off Gas to Appliance, page 12
• see Troubleshooting, pages 14 through 16
Note: The pilot fl ame on natural gas units will have a slight curve,
but fl ame should be blue and have no yellow or orange color.
Pilot Burner
Thermocouple
Figure 16 - Correct Pilot Flame Pattern (Your pilot may vary
from pilots shown)
Pilot Burner
Thermocouple
Figure 17 - Incorrect Pilot Flame Pattern (Your pilot may vary
from pilots shown)
111826-02F
Pilot Burner
Thermocouple
Pilot Burner
Thermocouple
For more information, visit www.desatech.com
OPERATING APPLIANCE (REMOTE-READY MODELS)
Remote Controlled Operation (Cont.)
BURNER FLAME PATTERN
Figure 18 shows correct burner fl ame pattern.
NOTICE: Do not mistake orange fl ames with yellow
tipping. Dirt or other fi ne particles are burned by ap-
pliance, causing brief patches of orange fl ame.
If burner fl ame pattern is incorrect, as shown in Figure 19
• turn appliance off (see To Turn Off Gas to Appliance, page 12
• see Troubleshooting, pages 14 through 16
Figure 18 - Correct Burner Flame Pattern
Yellow Tipping At Top
of Blue Flame
Figure 19 - Incorrect Burner Flame Pattern

CLEANING AND MAINTENANCE

• Keep the area around the log set clean and clear of debris.
• Periodically inspect the air mixer and burner tube for foreign
matter blocking the air inlet and fl ame holes.
• Once every year a qualifi ed agency or certifi ed chimney sweep
should ex am ine and clean the venting system of the fi re place.
Lighting Instructions (Cont.
Cleaning And Maintenance)
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