Vermont Casting DVR28IN installation instructions Restrictor Plate Installation

Vermont Castings DVR28 Direct Vent Gas Fireplace

White Green

Orange

Wireless Remote

				ON
				OFF
HI/LO DC		Pilot	Module
Motor Drive				HI
	Main	AF-4000		LO
Red				No wiring required.
			Orange	(Refer to Pages 6,19, 23)
Black		AF-4000B/P
			Red
			Brown
			Black

Red		Black	Gnd
Black
	Brown
HI/LO DC Battery Pack		(SWI)
	Brown
		(SWI)
			Black
				Optional DC
			Red
FP1750				Battery Back-up

Fig. 8 DVR28 wiring diagram.

Restrictor Plate Installation

The DVR28IN is shipped with a restrictor plate for ex- tended pipe runs other than straight out installations. A guide for usage is shown in Figure 10.

NOTE: Some installations may require some adjust- ment by the installer for optimum flame appearance. Optimum flame appearance would be a flame not subject to tall dirty yellow flames or lifting of flames from burner tube.

Installation

1.Remove front glass assembly. Refer to Window Frame Removal section on Page 18.

2.Remove three (3) screws securing flue diverter to top of combustion case. Remove flue diverter. (Fig. 9) CAUTION: Use care not to damage rear refractory.

3.Remove two (2) screws on sides of flue opening.

4.Install restrictor plate with two (2) screws removed from back of unit. (Fig. 9)

5.Re-install flue diverter with three (3) screws removed earlier.

6.Reinstall glass assembly. (Refer to Page 18)

Flue Diverter

	Remove
	Three (3)
FP1789	Screws
Flue	Restrictor
Opening
Remove	Plate
Two (2)
Screws

FP1788 FP1790

Fig. 9 Install restrictor plate for optimum flame appearance.

Examples for Extended Run/Restrictor Plate Settings

1.90° Elbow, vertical 8’ (2.4 m), 90° elbow, out 20’ (6 m)

2.90° Elbow, vertical 11’ (3.4 m), 90° elbow, out 13’ (4 m)

3.90° Elbow, vertical 20’ (6 m), 90° elbow, out 7’ (2 m)

4.90°, 40’ (12 m) vertical

Flue restricted to:

1.1¹⁄₈” (29 mm) opening in flue pipe outlet

2.7/8” (22 mm) opening in flue pipe outlet

3.3/4” (79 mm) opening in flue pipe outlet

4.1³⁄₈” (35 mm) opening in flue pipe outlet

Figure 10

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