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LENNOX HEARTH PRODUCTS • MONTEBELLO
WARNING
Failure to position the parts in
accordance with these diagrams
or failure to use only parts specifi-
cally approved with this appliance
may result in property damage or
personal injury.
AVERTISSEMENT
Risque de dommages ou de
blessures si les pièces ne sont
pas installées conformément à
ces schémas et ou si des pièces
autres que celles spécifiquement
approuvées avec cet appareil sont
utilisées.
DETAILED INSTALLATION STEPS
The appliance is shipped with all gas controls and
components installed and pre-wired. Remove
the shipping carton, exposing the front glass
door. Using a Phillips screwdriver, unfasten two
(2) screws located at the top of the glass frame
(see Figure 39 on Page 24). Tilt the top of the
glass frame away from the unit. Lift it carefully
off the bottom door track and set the door aside,
protecting it from inadvertent damage.
TYPICAL INSTALLATION SEQUENCE
The typical sequence of installation is outlined
below. However, each installation is unique and
may result in variations to the steps described.
See the page numbers references in the follow-
ing steps for detailed procedures.
Step 1. (Page 9) Construct the appliance
framing. Position the appliance within
the framing and secure with nailing
brackets.
Step 2. (Page 11) Route gas supply line to
the right side.
POWER VENT DV GAS FIREPLACES (LSM40/45EN-PV) • INSTALLATION INSTRUCTIONS
®
Step 3. (Page 12) Install the vent system and
exterior termination.
Step 4. (Page 18) Field Wiring
Connect 120 VAC electrical power to
the appliance receptacle.
Step 5. (Page 20) Remove glass door assem-
bly.
Step 6. (Page 21) Make connection to gas
supply.
Step 7. (Page 21) Install firebox liner kit.
Step 8. (Page 21) Verifying appliance opera-
tion.
Step 9. (Page 22) Install logs, volcanic stone
and glowing embers.
Step 10. (Page 24) Install glass door assembly.
Step 11. (Page 24) Adjust burner to ensure
proper flame appearance.
Step 12. (Page 27) Attach Safety in Operation
Warnings.
Step 1. FRAMING
Frame these appliances as illustrated in Figure
8 on Page 10, unless the appliance is to be
installed in a corner. See Figure 9 on Page 11
for corner framing installations. All framing
details must allow for a minimum clearance
to combustible framing members as shown in
Table 5 on Page 8.
If the appliance is to be elevated above floor
level, a solid continuous platform must be
constructed below the appliance.
Headers may be in direct contact with the
appliance top spacers but must not be sup-
ported by them or notched to fit around them.
All construction above the appliance must be
self-supporting, DO NOT use the appliance for
structural support.
The fireplace should be secured to the side
framing members using the unit's nailing
flanges - one top and bottom on each side of
the fireplace front (see Figure 7). Use 8d nails
or their equivalent.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Left Side Front Corner of Fireplace Shown
(Right Side Requirements the Same)
Unit Being Secured By Its Nailing Flanges
Unit Being Secured By Its Nailing Flanges
To The Framing
To The Framing
Note: The nailing flanges, combustible members
and screw heads located in areas directly adjacent
to the nailing flanges, are EXEMPT from the 1/2"
clearance to combustible requirements for the
firebox outer wrapper. Combustible framing may be
in direct contact with the nailing flanges and may
be located closer than 1/2" from screw heads and
the firebox wrapper in areas adjacent to the nailing
flanges. Frame the opening to the exact dimensions
specified in the framing details of this manual.
Unit Being Secured by Its Nailing
Unit Being Secured by Its Nailing
Flanges to the Framing
Flanges to the Framing
Figure 7
9
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