8
VFF Vent Free Fireplace System
Monessen • VFF 32/36 Owner Manual • 20308184 • Rev M • 1/22
GETTING STARTED
Make sure you have received all parts. Check your packing
list to verify that all listed parts have been received. You
should have the following:
• Unvented gas heater
• Installation/operating instruction
• Canopy and three (3) screws
• Glass media (Contemporary model only)
• Refractory cement or ceramic fiber logs sold sepa
-
rately
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 FOR INSTALLATION:
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
•
Pipe wrench (resistant to sulfur compounds)
When planning the installation for the fireplace it is nec
-
essary 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 repre
-
sent the normal sequence of installation. Each installation
is unique, however, and might require a different sequence.
1. Position fireplace in desired location. Refer to the
Location of Fireplace
and
Clearances
and
Height
Requirements
, and
Firebox Framing
sections found in
this manual.
NOTE:
Be sure all packing material has been removed
from underside the unit.
PRE-INSTALLATION INFORMATION
•
Gloves are recommended when handling
refractory cement or ceramic fiber logs to
prevent skin irritation from loose fibers.
Logs are fragile — handle with care.
WARNING:
WARNING—Do not install the heater:
•
Where curtains, furniture, clothing, or
other flammable objects are less than
42" from the front of the heater.
•
In high traffic areas.
•
In windy or drafty areas.
WARNING: If the area in which the heater
is operated does not meet the required
volume for indoor combustion air, combustion
and ventilation air shall be provided by one of
the methods described in the
National Fuel Gas
Code, ANSI Z223.1/NFPA 54
, the
International
Fuel Gas Code
or applicable local codes.
2. Install canopy and logs per instructions found in this
manual. The canopy MUST be installed for safe oper
-
ation of the unit.
3. Field wire main power supply to units with fan kit. Refer
to the
Electrical Section
found in this manual. (Electrical
connections should only be performed by an experi
-
enced, licensed certified tradesman).
4. Install optional ON/OFF kit on units with millivolt control.
Refer to the installation instructions included with the
kit and also refer to the
Electrical Wiring
section found
in this manual.
5. Plumb gas line. Refer to the
Connecting the Gas
section found in this
manual. (Gas connections should only be performed
by an experienced,
licensed/certified tradesman).
6. 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
3
per kw)
of the aggregate input rating of all appliances installed in
that space, 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
3
per kw) of the aggregate input rating of all
appliances 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.
