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AVFL Vent Free Fireplace
GETTING STARTED
Check your packing list to verify that all listed parts have
been received. You should have the following:
• Unvented fireplace
• Two (2) anchoring screws
• Installation/operating instructions
• 5" non-combustible board
• 2" x 32" deflector glass
• Two (2) bags fireglass
• Twelve (12) 15 watt bulbs
• One (1) 90 watt bulb
• RC300 remote control
Carefully inspect the contents for shipping damage. If any
parts are missing or damaged, immediately inform the
dealer from whom you purchased the appliance. Do not
attempt to install any part of the appliance unless you
have all parts in good condition.
WHAT YOU WILL NEED
You must have the following items available before pro-
ceeding with installation:
• External regulator (for propane/LPG only)
• Manual shutoff valve
• Piping which complies with local codes
• Sediment trap
• Phillips head screwdriver
• Tee joint.
• Pipe sealant approved for use with propane/LPG
(Resistant to sulfur compounds)
• Pipe wrench
Do not install the heater:
•
Where curtains, furniture, clothing, or
other flammable objects are less than
36" from the front of the heater.
•
In high traffic areas.
•
In windy or drafty areas.
Gloves are recommended when handling
ceramic fiber logs to prevent skin irritation
from loose fibers. Logs are fragile — handle
with care.
Monessen • AVFL42NIP-SR Installation Instructions • 4119-900 Rev. B • 05/20
8
PRE-INSTALLATION INFORMATION
PLANNING THE INSTALLATION
In planning the installation for the fireplace it is necessary
to determine where the unit is to be installed and whether
optional accessories are desired. Gas supply piping should
also be planned. The following steps represent the normal
sequence of installation. Each installation is unique, how-
ever, and might require a different sequence.
1. Position fireplace in desired location. Refer to the
Fireplace Location (page 9, Figure 3) and Clearances
and Height Requirements (page 10, Figures 4 and 5)
sections and Fireplace and Framing Dimensions (page
7, Figure 2) illustration found in this manual.
NOTE: Be sure all packing material has been removed
from under the unit.
2. Install following the instructions found in this manual.
3. Field wire main power supply to junction box. Refer to
the Electrical Installation section (page 15). (Electrical
connections should only be performed by an experi-
enced, licensed certified service person).
4. Plumb gas line. Refer to the Connect the Gas (page 13,
Figure 7) section found in this manual. (Gas connections
should only be performed by an experienced, licensed/
certified service person).
5. Complete finish wall material and/or surround.
ADEQUATE COMBUSTION AND VENTILA-
TION AIR
This heater shall not be installed in a confined space or
unusually tight construction unless provisions are provided
for adequate combustion and ventilation air.
The National Fuel Gas Code, (ANSI Z223.1/NFPA54),
defines a confined space as a space whose volume is less
than 50 cubic feet per 1,000 BTU per hour (4.8m
the aggregate input rating of all appliances installed in that
pace, and an unconfined space as a space whose volume
is not less than 50 cubic feet per 1,000 BTU per hour (4.8
m
per kw) of the aggregate input rating of all appliances
3
installed in that space. Rooms communicating directly with
the space in which the appliances are installed, through
openings not furnished with doors, are considered a part
of a confined space.
Unusually tight construction is defined as construction
where:
a. Walls and ceilings exposed to the outside atmosphere
have a continuous water vapor retarder with a rating of
1 perm (6 x 10
kg per pa/sec-m
11
gasketed or sealed, and
b. Weather stripping has been added on openable win-
dows and doors, and
per kw) of
3
) or less with openings
2
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