Vermont Casting DVRT43 - Manual (Page 27)

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Vermont Castings, Majestic Products DVRT36/ 39/ 43
RN/ RP Models
For units equipped with ‘HI/ LO’ valves the flame
adjustment is accomplished by rotating the “HI/ LO”
adjustments knob located near the center of the gas
control valve. (Fig. 46 and Fig. 47)
Flame & Temperature Adjustment
It is important to periodically perform a visual check of
the pilot and burner flames. Compare to Figure 48
through Figure 51 on Page 28. If the flame patterns
appear abnormal, contact a qualified service provider
for service and adjustment.
Flame Characteristics
B48
B51
B49
B46
B47 B45
B50
Ceramic Ember Rocks
CFM120
Fig. 45 DVRT43 logset and ember placement.
LO
HI
Turn
counterclockwise
to decrease
flame height
Turn clockwise
to increase
flame height
Honeywell Valve
HV102
Fig. 46 Flame adjustment knob for Honeywell Valve.
L O
HI
Turn
counterclockwise
to increase
flame height
Turn clockwise
to decrease
flame height
FP390
SIT 820 Valve
Fig. 47 Flame adjustment knob for SIT Valve.
DVRT43 - Refer to Figure 45.
1. Remove the top louvre assembly.
2. Remove the window frame assembly.
3. Install the right-rear log (B46) on the rear log
support. The two (2) holes in the base of the log
locate on the two (2) studs in the log support.
4. Install the left-rear log (B45) on the rear log
support. The two (2) holes in the base of the log
locate on the two (2) studs in the log support.
5. Install the left-front log (B48) on the left side of the
burner housing. The two (2) holes in the base of the
log located over the two (2) studs on the burner
housing bracket.
6. Install the right-front log (B49) on the right front
corner of the burner housing assembly. The notch in
the outer end of the log locates against the
outermost tine of the front grate.
7. Install the right-rear top log (B47). This log sits on
top of the right rear log. It has a rectangular hole on
the underside that locates over the rectangular lug
on the lower log.
8. Install the left-front crossover log (B50). This log
is located over the round knob on top of the left rear
log and lays across the cutout on the front left log.
9. Install the center-front log (B51). The hole in the
base of this log locates over the stud attached to
the front log grate.
10. Scatter the Ceramic Ember Rocks (Part #57897)
over the burner housing assembly in the area
forward of the front logs. Refer to shaded areas in
Figure 43.
11. Scatter the lava rock (Part #10001454) around the
base of the firebox area. Do not place any of this
material on the burner housing assembly.
NOTE: Glowing lava rock for DVRT43 is allowed to
be positioned only at the front area (radiant
portion) of the burner housing assembly.
Do not mix the lava rock materials. Lava
rock from the package labeled with Part
#10001454 must not be placed on the
burner housing assembly.
B35
B37
B38 B36
Note location of front grate tines
Ceramic Ember Rocks
LG228
Fig. 44 DVRT39 logset and ember placement