Vermont Casting DVRT43, DVRT36 Flame & Temperature Adjustment, Flame Characteristics, 10002428

Vermont Castings, Majestic Products DVRT36/39/43

B35

Ceramic Ember Rocks

B38B36

B37 Note location of front grate tines LG228

Fig. 44 DVRT39 logset and ember placement

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.

B45 B47 B46

B48	B50	B51	B49
	Ceramic Ember Rocks

CFM120

Fig. 45 DVRT43 logset and ember placement.

Flame & Temperature Adjustment

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)

Honeywell Valve

Turn
counterclockwise	LO	HI	Turn clockwise
to decrease			to increase
flame height			flame height

HV102

Fig. 46 Flame adjustment knob for Honeywell Valve.

	SIT 820 Valve
Turn	I H	Turn clockwise
counterclockwise
		to decrease
to increase
		flame height
flame height	LO

FP390

Fig. 47 Flame adjustment knob for SIT Valve.

Flame Characteristics

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.

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