Fireplace specifications – Lennox Hearth Direct Vent MPD-40 Series User Manual
Page 9
9
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
G
E
B
D
C
F**
H
N
1/2 (13)
1-5/8
(42)
L
K
Top View
NOTE - Eyebrow
hood shown as positioned
in louvered front model.
*CONCENTRIC FLUE
FLUE - 4-1/2 (114)
COMBUSTION AIR - 7-1/2 (190)
FRAMING
SPACERS
(Top and Sides
and Rear)
GAS INLET
(Either Side
and bottom)
* MPD models have a top and rear vent
Front View
3 (76)
(Louvered Front Model Shown)
**Rear vent models only
ELECTRICAL
INLET
2-3/4 x 2 (70 x 51)
COVER PLATE with
KNOCKOUT)
Right Side View
MPDR models have only a rear vent
MPDT models have only a top vent
J
M
* *Note 1 - Collars protrude one inch on MPDT-3328 and MPDR-3328 models.
* *See Note 1
* * See Note 1
6 (152)
1-3/8 (35)
OPTIONAL ELECTRICAL
INLET KNOCKOUT,
REQUIRING A FIELD
PROVIDED JUNCTION BOX
(Either Side)
A
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4
Step 3. INSTALL THE VENT SYSTEM
General Information
These instructions should be used as a guide-
line and do not supersede local codes in any
way. Install vent according to local codes,
these instructions, the current National Fuel
Gas Code (ANSI-Z223.1) in the USA or the
current standards of CAN/CGA-B149.1 and -
B149.2 in Canada.
These fireplaces are designed, tested and
listed for operation and installation with,
and only with, Secure Vent™ Direct Vent
System Components, Secure Flex™ Flex-
ible Vent Components manufactured by
Security Chimneys International and Z-
FLEX™ Model GA Venting Systems listed
to UL1777 and ULCS635 manufactured by
Flexmaster Canada Limited.
These approved vent system components
are labeled for identification.
DO NOT use
any other manufacturer's vent components
with these appliances. These fireplaces
must be vented directly to the outside.
Massachusetts And New York City, NY
Requirements
These appliances are approved for installation
in the following USA locations listed in the
following:
Massachusetts:
These fireplaces are approved for installation
in the US state of Massachusetts if the follow-
ing additional requirements are met-
• Installation and repair must be done by a
plumber or gas fitter licensed in the Common-
wealth of Massachusetts.
• The flexible gas line connector used shall not
exceed 36 inches (92 centimeters) in length.
• The individual manual shut-off must be a T-
handle type valve.
Figure 11
FIREPLACE SPECIFICATIONS