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GENERAL INFORMATION
Your Mendota Gas Fireplace has a state-of-the-art co-axial direct vent, sealed combustion system. This advanced com-
bustion system brings in outside air for combustion and directly exhausts through an exhaust vent. The Mendota system
maintains high air quality and assures proper operation in today's "air-tight" homes.
Accessing gas valve train and electrical junction box during initial installation
To gain access, prior to placing this fireplace in a framed
chase, to make the gas supply connection, to install LPG
conversion kit, to check for gas leaks and to make initial
electrical supply connection, remove the bottom two cover
plates as shown, below.
Make certain the lowest cover
plate is reinstalled before this fireplace is placed in
the framed chase.
Safety and Structural Concerns
The ML39 Fireplace must be installed and serviced
by a Mendota approved serviceperson. Any ad-
justments to burner, pilot and burner media must
be made by a Mendota approved service person.
If pilot goes out, always wait five (5) minutes be-
fore attempting to relight pilot.
Venting Requirements
This Mendota Fireplace can be vented using
any available brand DIRECT VENT coaxial
pipe (5”X 8”) off the top. Use only Mendota
specified vents and vent caps when in-
stalling your fireplace. Closely follow
venting locations, directions and re-
quirements. Observe the restrictions relating to vent position on exterior of home. Be sure all vent pipe sections are fully
twist-locked and leak-proof. Be sure 1000
º
Silicate Stove Sealant is used on the inner pipe joints of all Simpson
DuraVent pipe components and all adjustable pipe sections.
The Mendota Direct Vent Fireplace may be placed within 16 inches of adjacent sidewalls. The fireplace may be placed
directly on concrete or wood flooring. If the appliance is to be installed on carpeting, vinyl or other combustible material
other than wood flooring, the appliance shall be installed on a metal or wood panel placed on top of the flooring material
and extending the full width and depth of the appliance. An 8” combustible mantel may be installed at a minimum of 12"
above the heat outlet (35”) up from the floor level of this fireplace) and no more than 8" out from wall at that height. Non-
combustible (marble, brick, stone, etc.) mantels can be installed at any desired height above the top convection air open-
ing. Combustible Mantels of any depth with a sheet metal protector plate in its under-side may only be installed
outside
the “NON-COMBUSTILBE ZONE” above the top convection air opening.
Never block off convection air openings or paths. Always use Mendota decorative fronts and Mendota approved vent sys-
tems and vent caps.
Hearth Protection Pad
: A non-combustible hearth protector is not required.
Aesthetic Considerations
Burning or static fireplaces are a major aesthetic focus in any room. Locate your gas fireplace as you would a television
set. The Mendota Hearth Gas Fireplace will be a continuing source of comfort and fascination. Corner installations will
afford you the greatest potential for viewing in many rooms. This fireplace may be installed in an elevated position as long
as 70 in. minimum distance is provided between the floor level of this fireplace and the room’s ceiling surface.
Electrical Requirements
Electronic Ignition System and an Accent Light system are included in this Mendota Direct Vent Fireplace. These devices
require constant electrical power except during power outages. A 120-volt electrical service must be supplied at the fire-
place location at the time of installation, on the left side of this fireplace. It must be electrically grounded in accordance
with local codes, or in their absence, with the current edition of the National Electric Code ANSI/NFPA 70. Use of a wall
switch control in the power supplied to this fireplace is NOT allowed.
Three loose wires are secured to a metal plate on the left side in the gas train cavity using a nylon wire tie. Cut the nylon
wire tie and use wire nuts to connect house power to the three color-coded loose wires. A junction box is not required
since the steel body of this appliance functions as a fire stop.
Manual Gas Shutoff Valve Installation Requirement
Obtain a Manual Gas Shutoff Valve approved per local gas plumbing codes and install per local gas plumbing codes in
the specified location. Manual Shutoff Valve is not supplied with this product.
