Procom WZN18HLA Manual page 9

IMPORTANT: Vent-free heaters add moisture
to the air. Although this is beneficial, installing
heater in rooms without enough ventilation air
may cause mildew to form too much moisture.
See Air for Combustion and Ventilation, pages
6 and 7.
Before beginning assembly or operation of
the product, make sure all parts are pres-
ent. Compare parts with package contents
list. If any part is missing or damaged, do
not attempt to assemble, install or operate
the product. Contact customer service for
replacement parts.
Before installing heater, make sure you have
the items listed below:
• Hardware package (provided with heater)
• Electric drill with 3/16" drill bit
• Phillips screwdriver
CHECK GAS TYPE
Be sure your gas supply is right for your heat-
er. Otherwise, call dealer where you bought
the heater for proper type heater.
CLEARANCES TO
COMBUSTIBLES
WARNING: Maintain the mini-
mum clearances. If possible, pro-
vide greater clearances from floor,
ceiling, and adjoining wall. Measure
from outermost point of heater.
Minimum Fireplace Clearance To
Combustible Materials
Side Wall 16", Ceiling 42", Front 36"
LOG SIZING REQUIREMENTS
Minimum Firebox Size
18" Log Set: Height 20", Depth 14",
Front Width 29", Rear Width 23"
24" Log Set: Height 20.5", Depth 14",
Front Width 34", Rear Width 25.5"
30" Log Set: Height 20.5", Depth 14",
Front Width 39", Rear Width 31.5"
Minimum Clearances For Side
Combustible Material, Side Wall
and Ceiling
A. Clearance from the side of the fireplace
cabinet to any combustible material and
wall should follow diagram in Figure 4.
B. Clearance from the top of the fireplace
opening to the ceiling must not be less
than 42".
200068-01A
INSTALLATION
*Minimum 16" from Side Wall
Figure 4 - Minimum Clearance for
Minimum Noncombustible Material
If Not Using Mantel
Note: If using a mantel, proceed to If Using
Mantel, page 10. If not using a mantel, follow
the information below.
You must have noncombustible material(s)
above the fireplace opening. Noncombustible
materials (such as slate, marble, tile, etc.)
must be at least 1/2" thick. With sheet metal,
you must have noncombustible material be-
hind it. Noncombustible material must extend
at least 12" up (for all models). See Figure 5
for minimum clearances.
Requirements for Safe Installation
(A) 12" or more: Noncombustible material okay.
24" & 30" Models, install fireplace hood
accessory. 18" Models, noncombustible
(A) Less than 8": Noncombustible
material must be extended to at least 8".
See Between 8" and 12", above. If you
cannot extend material, you must operate
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
www.usaprocom.com
Combustible to Wall
Clearances
(A) Between 8" and 12":
material okay.
heater with flue damper open.
*
Noncombustible
Material Distance
9