Hearth and Home Technologies Direct Vent Gas Appliance CD4842MR - Manual (Page 57)

Heatilator • Caliber Mesh CD Series-SIT Valve • 4040-849 Rev J • 06/08 57
Closed
N. Air Shutter Setting
Air shutter settings should be adjusted by a qualifi ed
installer at the time of installation. The air shutter is set at
the factory for minimum vertical vent run. Adjust air shut-
ter for longer vertical runs. See Figure 14.13.
• 16 full turns of the shutter adjustment handle are required
to move air shutter from fully open to fully closed.
• When the shutter adjustment handle is all the way down,
the air shutter is in the closed position.
NOTICE: If sooting occurs, provide more air by opening
the air shutter.
Figure 14.13 Air Shutter
Figure 14.10 Installing Floor Cover
Install Bottom Latch Cover
• Insert bottom latch cover over existing shoulder screws.
See Figure 14.11.
• Push down till the tabs lock in place.
Figure 14.11 Installing Bottom Latch Cover
Install Firescreen Assembly
• Thread screen onto screen rod making sure to thread
all screen rings.
• Hold the mesh fi rescreen in one hand until you get the
rod inserted into the side columns to prevent the mesh
from falling off the rod.
• Insert one end of screen rod into the hole located in the
column as far as it will go. See Figure 14.12
Figure 14.12 Insert Rod Into Side Columns
• Flex the rod and insert it into the hole in the column on
the other side.
• Hook the center of the rod into the screen rod tabs.
• Spread
fi rescreen to the edges of the fi rebox opening.
• Hairpin clips are shipped in place in a hole in the bottom
of each column. After the screen is in place, squeeze
clips and remove from holes. Thread clip through screen
(one on each side), squeeze clip and re-insert into
holes.
Note: The fl oor cover in the bottom front of the fi replace
may be covering the UL labels. It is loose and can be
removed/replaced.