Sapphire Audio DV425TR Vertical Damper Adjustment, Top Vent Installations, Make adjustment

DV425TR DIRECT VENT ROOM HEATER

VERTICAL DAMPER ADJUSTMENT

Refer to Vent Graph on page 27. If your installation falls within the range of the grey shaded area of graph, it may be necessary to make an adjustment to the vertical damper to improve the flame appearance in your stove.

TOP VENT INSTALLATIONS:

Locate the damper adjustment control at the rear of stove behind the rear vent acess panel. See Fig. 1

FIG. 1

Damper

Adj. Plate

Rear Access Plate

Rear Outer

Flue Cover

REAR VENT INSTALLATIONS:

Locate the damper adjustment control on the top of the stove beneath the grill plate. See Fig. 2

Make adjustment:

Loosen screw using a Phillips screwdriver.

Pivot the vertical damper adjustor in 1/4” increments while observing the flame activity.

Turn counter-clockwise to open damper = less flame height and more blue in flame color.

Turn clockwise to close damper = increased flame height and more yellow in flame color.

Make adjustment until flame size and activity suits your personal preference, and then re-tighten screw on adjustment control. Reattach rear vent access panel (rear vent) OR grill plate (top vent).

FIG. 2

Damper

Adj. Plate

Outer Cover

Plate

02/01 Page 48 250-5533