Lennox International Inc. MERIT PLUS MPB3530CNM-B - Manual (Page 6)

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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT PLUS ® B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS
APPLIANCE AND VENT CLEARANCES
MINIMUM CLEARANCES TO COMBUSTIBLES
The appliance is approved with zero
clearance to combustible materials on all
sides (as detailed in Table 5), with the
following exception: When the unit is
installed with one side fl ush with a wall,
the wall on the other side of the unit must
not extend beyond the front edge of the
unit. In addition, when the unit is recessed,
the side walls surrounding the unit must not
extend beyond the front edge of the unit (see
Figure 3).
Back 1/2 (13)
Sides 1/2 (13)
Top Spacers 0 (0)
Floor 0 (0)
Bottom of
Appliance
To Ceiling
64 (1626)
Vent 1 (25.4)
SERVICE CLEARANCES Feet (meters)
Front 3 ft. (0.9 m)
Table 5: Minimum Clearances
[inches (millimeters)]
HEARTH EXTENSION
A hearth extension is not required with this
appliance. If a hearth extension is used, do
not block the control compartment panel.
Any hearth extension used is for appearance
only and does not have to conform to any
requirements for thermal protection.
WALL FINISHES / SURROUNDS / MANTELS
Note: Combustible wall fi nish materials and/
or surround materials must not be allowed
to encroach the area defi ned by the appliance
front face (black sheet metal). Never allow
combustible materials to be positioned in
front of or overlapping the appliance face (see
Figure 35 on Page 21).
Non-combustible materials, such as
surrounds and other appliance trim, may be
installed on the appliance face with these
exceptions: they must not cover any portion
of the removable glass panel, louvers, or
control compartment.
Figure 5: Minimum Mantel Clearances
12 (305) MANTEL
10 (254) MANTEL
8 (203) MANTEL
6 (152) MANTEL
4 (102) MANTEL
4
(102)
14
356)
12
(305) 10
(254)
2 (51) MANTEL
TOP OF
APPLIANCE
6
(152)
NOTE - Hood shown as positioned in louvered
front model. The hood position in the flush
faced front model is lower than shown.
8
(203)
MANTEL CLEARANCES
Inches (mm)
Vertical installation clearances to combustible
mantels vary according to the depth of the
mantel (See Figure 5). Mantels constructed
of non-combustible materials may be
installed at any height above the appliance
opening; however, do not allow anything to
hang below the fi replace hood.
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 spécifi quement
approuvées avec cet appareil sont
utilisées.
0” Clearance
to Combustible
Side Wall
Ceiling
64 in.
(1626 mm)
Bottom of Fireplace
Figure 6: Clearance References
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.
Minimum clearance requirements include any
projections such as shelves, window sills,
mantels, etc. above the appliance.
NOTE: We recommend the use of high tem-
perature paint (rated 175 °F, or higher) on the
underside of the mantel.