Vermont Casting DV580 - Manual (Page 28)

28
DV360/580 Series Direct Vent Gas Fireplace
20010667
Burner Lava Rock Placement
Place burner lava rock on the burner in front of the front
logs. Do not place burner lava rock in the inside corners
of the front logs.
Large Lava Rock
The large lava rock provided with this fireplace must
be placed on the firebox base around the sides of the
burner assembly and on the tray beneath the grate.
Under no circumstances should this large
lava rock be placed on any part of the
burner assembly.
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. 56
or 57)
LO
HI
Turn
counterclockwise
to decrease
flame height
Turn clockwise
to increase
flame height
HV102
Honeywell hi/lo knob
4/5/99 djt
Fig. 56 Flame adjustment knob for Honeywell valve.
LO
HI
FP390
FLAME ADJUSTMENT KNOB
11/21/96
Turn
counterclockwise
to increase
flame height
Turn clockwise
to decrease
flame height
Fig. 57 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. 58, 59). 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. 58 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.