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DVB4136 Direct Vent Gas Fireplace
20012322
Flame & Temperature Adjustment
For fireplaces equipped with Hi/Lo valves, flame adjust-
ment is accomplished by rotating the Hi/Lo adjustment
knob located near the center of the gas control. (Fig.
54)
L
O
H
I
FP390
FLAME ADJUSTMENT KNOB
11/21/96
Turn
counterclockwise
to increase
flame height
Turn clockwise
to decrease
flame height
Fig. 54 Flame adjustment knob for SIT valve.
Flame Characteristics
It is important to periodically perform a visual check of
the pilot and the burner flames. Compare them to the
illustrations below (Figs. 55, 56). If any of the flames
appear abnormal call a service person.
F584-703
Honeywell
& PSE
pilot flames
3/8” - 1/2”
(10 - 13 mm)
PSE Pilot
SIT Pilot
F584-703
Fig. 55 Correct pilot flame appearance.
Inspecting the Venting System
This appliance venting system is designed and con-
structed to develop a positive flow adequate to remove
flue gases to the outside atmosphere.
Any foreign objects in the venting system, except those
designed specifically for the venting system, may cause
spillage of flue gases.
To inspect the venting system, make sure the main gas
valve is off. Remove window frame assembly (Refer to
Window Frame Assembly Removal Section). Using a
flashlight, check the area above the baffle in the com
-
bustion dome. Clean if necessary.
Yellow Flame
Red Glow
LG444
Figure 56