Procom PCD18T User Manual page 11

Minimum Non-
Combustible Material
Minimum Non-
Combustible
Material
Height
Figure 7 - Minimum mantel
clearances when using hood
14" Min
Figure 8- Minimum fireplace
clearances if installed at floor level
Figure 9 - Minimum fireplace
clearances above combustible flooring
Damper
Figure 0 - Attach Damper to Fireplace
Mantel Shelf
Underside of
Mantel Shelf
All minimum
distances are in
inches
Log set
18" Models
Top of
Fireplace
Opening
Distances to Under-
side of Mantel
Combustible Material
Noncombustible Material
Hearth
Combustible Material
5" Min
Damper Clamp
INSTALLING DAMPER CLAMP ACCESSORY
FOR VENTED OPERATION
NOTE: When used as a vented heater, appliance must be
installed only in a solid-fuel burning fireplace with a working flue
constructed of noncombustible material. You may use this heater
as a vented product. There are three reasons for operating your
heater as a vented model:
1. The fireplace does not meet the clearance requirements for
vent-free operation.
. State or local codes do not permit vent-free operation.
3. You prefer vented operation.
If reasons number  or  above apply to you, you must perma-
nently open chimney flue damper. You must install the damper
clamp accessory (not provided). This will insure vented operation
(see Figure 0). The damper clamp will keep damper open. Instal-
lation instructions are included with clamp accessory.
See chart below for the minimum permanent flue opening you
must provide. Attach damper clamp so the minimum permanent
opening will be maintained at all times.
Chimney Minimum Permanent
Height (ft.) Flue Opening (sq. in)
6' to 5' 39 sq inches
5' to 30' 9 sq inches
Area of Various Standard Round Flues
Diameter (in.)
5"
6"
7"
8"
Damper

Area (sq. in.)
0 sq inches
9 sq inches
39 sq inches
5 sq inches