www.desatech.com
901273-01H
14
P
IL
O
T
ON
OFF
IN
OUT
IN
Pilot
Adjustment
Screw
Thermocouple
Figure 19 - Correct Pilot Flame Pattern
Figure 21 - Typical Flame Pattern
Figure 20 - Locating Pilot Adjustment
Screw
Pilot
CleanIng and MaInTenanCe
InsPeCTIng burners
Continued
BURNER FLAME PATTERN
Burner flames will be steady; not lifting or
floating. Flames should go up through the
middle of logset. Flames should not "spill" to
the edges of the pan or sides of the logset.
Figure 21 shows a typical flame pattern. If
burner flame pattern differs from that de
-
scribed:
• turn appliance off (see To
Turn Off Gas to
Appliance
, page 13)
• see
Troubleshooting
, page 15
• Keep the area around the log set clean and
clear of debris.
• Occasionally, you may use a soft bristle
brush to clean logs.
• Periodically inspect the air mixer and burner
tube for foreign matter blocking the air inlet
and flame holes.
• Once every year a qualified agency or certi
-
fied chimney sweep should examine and
clean the venting system of the fireplace.
serVICe HInTs
When Gas Pressure is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• propane/LP gas supply may be low
You may feel your gas pressure is too low. If
so, contact your local natural gas supplier.
TeCHnICal serVICe
You may have further questions about installa
-
tion, operation, or troubleshooting. If so, con
-
tact DESA Heating, LLC at 1-866-672-6040.
When calling please have your model and
serial numbers of your heater ready.
You can also visit DESA Heating, LLC’s web
site at
www.desatech.com
.