Lg Mp03 Vdlpm Users Manual MPLDV (850,043M) NC 06 07

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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 1
VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS
P/N 850,043M REV. E 06/2008
MODELS
DIRECT VENT
MERIT PLUS SERIES
This appliance may be installed in an aftermarket perma-
nently located, manufactured home (USA only) or mobile
home, where not prohibited by local codes. This appliance
is only for use with the type of gas indicated on the rating
plate. This appliance is not convertible for use with other
gases, unless a certified kit is used.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammable vapors or liquids in the vicin-
ity of this or any other appliance.
FOR YOUR SAFETY: What to do if you smell gas:
DO NOT light any appliance.
DO NOT touch any electrical switches.
DO NOT use any phone in your building.
Immediately call your gas supplier from a
neighbor’s phone. Follow your gas suppliers
instructions.
If your gas supplier cannot be reached, call the
fire department.
Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
POUR VOTRE SÉCURITÉ: Ne pas entreposer ni utiliser
d'essence ni d'autre vapeurs ou liquides inflammables
dans le voisinage de cet appareil ou de tout autre
appareil.
POUR VOTRE SÉCURITÉ: Que faire si vous sentez une
odeur de gaz:
Ne pas tenter d'allumer d'appareil.
Ne touchez à aucun interrupteur. Ne pas vous servir
des téléphones se trouvant dans le batiment où
vous vous trouvez.
Evacuez la piéce, le bâtiment ou la zone.
Appelez immédiatement votre fournisseur de gaz
depuis un voisin. Suivez les instructions du
fournisseur.
Si vous ne pouvez rejoindre le fournisseur de gaz,
appelez le service dos incendies.
L'installation et service doit être exécuté par un qualifié
installeur, agence de service ou le fournisseur de gaz.
INSTALLATION
INSTRUCTIONS
OTL Report No. 116-F-47-5
WARNING: IF THE INFORMATION IN THIS MANUAL
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION
MAY RESULT CAUSING PROPERTY DAMAGE, PER-
SONAL INJURY OR LOSS OF LIFE. AVERTISSEMENT: ASSUREZ-VOUS DE BIEN SUIVRE
LES INSTRUCTIONS DONNÉ DANS CETTE NOTICE POUR
RÉDUIRE AU MINIMUM LE RISQUE D'INCENDIE OU
POUR ÉVITER TOUT DOMMAGE MATÉRIEL, TOUTE
BLESSURE OU LA MORT.
In the Commonwealth of Massachusetts:
• Installation must be performed by a licensed plumber or
gas fitter.
See Table of Contents for location of additional
Commonwealth of Massachusetts requirements.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
sledoMtlovilliMsledoMcinortcelE
MN03-VDLPMEN03-VDLPM
MP03-VDLPM2-EN53-VDLPM
2-MN53-VDLPMEN04-VDLPM
2-MP53-VDLPMEN54-VDLPM
MN04-VDLPM MP04-VDLPM MN54-VDLPM MP54-VDLPM
US
A French manual is available upon request. Order Form Number
850,043CF.
Ce manuel d’installation est disponible en francais, simplement
en faire la demande. Numéro de la pièce 850,043CF.
2NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 1
TABLE OF CONTENTS
Packaging........................................ page 2
Introduction..................................... page 2
General Information......................... page 2
Location .......................................... page 4
Appliance and Vent Clearances....... page 5
Requirements for Commonwealth
of Massachusetts .......................... page 5
Vent Termination Clearances ........... page 5
Typical Installation Sequence .......... page 6
Detailed Installation Steps ............... page 6
Step 1. Framing ............................. page 6
Step 2. Routing Gas Line ............... page 6
Fireplace Specifications ................... page 9
Step 3. Install the Vent System...... page 10
Vertical Termination Systems .......... page 10
Vent Section Length Chart............... page 11
Vertical Vent Tables and Figures...... page 14
Horizontal Termination System........ page 15
Horizontal Vent Tables and Figures . page 18
Venting Using Flexible Vent Pipe ..... page 21
Step 4. Field Wiring ....................... page 22
Step 5. Connecting Gas Line.......... page 23
Step 6. Installing Logs................... page 24
Step 7. Checking Unit Operation ..... page 24
Step 8. Installing Glass Door ......... page 24
Step 9. Burner Adjustments........... page 25
Finishing Requirements................... page 25
Cold Climate Insulation.................... page 26
Installation Accessories................... page 26
Gas Conversion Kits.................. page 28
TYPICAL INSTALLATION
INTRODUCTION
These fireplaces are designed, tested and listed
for operation and installation with, and only with,
Secure Vent™ Direct Vent System Components,
Secure Flex™ Flexible Vent Components manu-
factured by Security Chimneys International and
Z-Flex™ Model GA Venting Systems, listed to
UL1777 and ULCS635 manufactured by Flex-
master Canada Limited. These approved vent
system components are labeled for identifica-
tion. DO NOT use any other manufacturer's vent
components with these appliances.
Millivolt appliances are designed to operate
on natural or propane gas. A millivolt gas
control valve with piezo ignition system pro-
vides safe, efficient operation. There is no
optional blower with these units.
PACKAGING
The assembled vented gas fireplace heater is
packaged with the folowing:
1 - The logs are packaged in a carton located
within the firebox.
2 - One bag of volcanic stones is located in the
bottom compartment.
3 - One envelope containing the litera-
ture package, which consists of the
homeowner's manual, installation in-
structions, log set supplement, warranty,
gas access plate, screws (4) and gasket.
The envelope is located in the bottom
compartment.
4 - One vent restrictor, to be used as detailed
on page 10.
5 - One hood and one control compartment
cover and one 45 degree starter elbow are
strapped to the top of the unit.
GENERAL INFORMATION
Note: Installation and repair should be per-
formed by a qualified service person. The appli-
ance should be inspected annually by a qualified
professional service technician. More frequent
inspections and cleanings may be required due
to excessive lint from carpeting, bedding mate-
rial, etc. It is imperative that the control compart-
ment, burners and circulating air passage ways
of the appliance be kept clean. S'assurer que le
brùleur et le compartiment des commandes sont
propres. Voir les instructions d'installation et
d'utilisation qui accompagnent l'appareil.
This manual is part of a set of three support-
ing this product. Refer to manuals 875,036M
for Care & Operations and 750,230M for Log
Placement Guide.
Please read and understand these
instructions before beginning your
installation.
Electronic appliances are designed to operate
on natural or propane gas. An electronic inter-
mittent pilot ignition system provides safe, ef-
ficient operation. External electrical power is
recommended to operate these units. If the
system operates on line voltage with 3V adapt-
ers, two (2) "D" batteries can be used as a
backup in case of a power outage. The elec-
tronic appliance can be operated solely with two
(2) "D batteries.
These appliances comply with National Safety
Standards and are tested and listed by Omni-
Test Laboratories (Report No. 116-F-47-5) to
ANSI Z21.88 (in Canada, CSA-2.33), and CAN/
CGA-2.17-M91 in both USA and Canada, as
vented gas fireplace heaters.
The Installation must conform to local codes
or, in the absence of local codes, with the
National Fuel Gas Code, ANSI Z223.1/NFPA
54
, or the
Natural Gas and Propane Installa-
tion Code, CSA B149.1
.
The appliance, when installed, must be elec-
trically grounded in accordance with local
codes or, in the absence of local codes, with
the
National Electrical Code, ANSI/NFPA 70
,
or the
Canadian Electrical Code, CSA C22.1
.
DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLIANCE OR
ITS COMPONENTS. ANY MODIFICATION OR
ALTERATION MAY VOID THE WARRANTY,
CERTIFICATION AND LISTINGS OF THIS UNIT.
Both millivolt and electronic versions of these
appliances are listed by Omni-Test Labora-
tories for installation in bedrooms and mo-
bile homes.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 3
Note: Power venting of direct vent fireplaces
may result in the reduction of efficiencies by
as much as ten percent. Consider this in
making any venting and heating decisions in
any installation application.
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03VDLPM 855636856646
53VDLPM 065636265636
04VDLPM 857646757656
54VDLPM 857656066646
htiwsledoMcinortcelEdnAtlovilliM evlaVsaGdetaludoM-yllaunaM saGlarutaNsaGenaporP
.oNledoM tupnI etar )H/UTB( .oNledoM tupnI etar )H/UTB(
DLPMV03000,31 ot 000,01 DLPMV03005,11 ot 000,9
DLPMV53000,91 ot 000,51 DLPMV53000,81 ot 000,41
04VDLPM 000,52 ot 005,81 04VDLPM 005,12 ot 005,61
54VDLPM 000,62 ot
02000, 54VDLPM 000,52 ot 000,91
Table 1
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.taN.porP
03VDLPM "070.0 16# )"930.0(
0054-0 )2731-0(
53VDLPM 54# )"280.0( "840.0
04VDLPM 14# )"690.0( 45# )"550.0(
54VDLPM 04# )"890.0( 35# )"5950.0(
Cet appareil peut être installé dans un
maison préfabriquée (É.-U. seulement)
ou mobile déjà installée à demeure si
les réglements locaux le permettent.
Cet appareil doit être utilisé uniquement
avec les types de gaz indiqués sur la
plaque signalétique. Ne pas l'utiliser
avec d'autres gaz sauf si un kit de con-
version certifié est installé.
Do not use these appliances if any part has been
under water. Immediately call a qualified, pro-
fessional service technician to inspect the ap-
pliance and to replace any parts of the control
system and any gas control which have been
under water.
Ne pas se servir de cet appareil s'il a été plongé
dans l'eau, complètement ou en partie. Appeler
un technicien qualifié pour inspecter l'appareil et
remplacer toute partie du système de contrôle et
toute commande qui ont été plongés dans l'eau.
This appliance may be installed in an af-
termarket permanently located, manufac-
tured home (USA only) or mobile home,
where not prohibited by local codes. This
appliance is only for use with the type of
gas indicated on the rating plate. This ap-
pliance is not convertible for use with other
gases, unless a certified kit is used.
Installations at Altitudes of 0 to 4500 ft.-
Units are tested and approved for elevations
of 0 to 4500 feet (0 to 1372 meters).
Installations at Altitudes above 4500 ft.-
For elevations above 4500 feet (1372
meters), install the unit according to the
regulations of the local authorities having
jurisdiction and, in the USA, the latest edition
of the National Fuel Gas Code (ANSI Z223.1)
or, in Canada, the latest edition of the
CAN1-B149.1 and .2 codes.
Table 1
shows the units' gas orifice size for
the elevations indicated.
These appliances must be isolated from the
gas supply piping system (by closing their
individual manual shut-off valve) during any
pressure testing of the gas supply piping sys-
tem at test pressures equal to or less than 1/2
psig (3.5 kPa).
These appliances and their individual shut-off
valves must be disconnected from the gas
supply piping system during any pressure
testing of that system at pressures in excess of
1/2 psig (3.5 kPa).
These appliances must not be connected to a
chimney or flue serving a separate solid fuel
burning appliance.
These heater rated appliances are intended
for use as supplemental heaters only. Using
these appliances as a primary heat source
may void the manufacturers warranty.
Carbon Monoxide Poisoning: Early signs of
carbon monoxide poisoning are similar to
the flu with headaches, dizziness and/or
nausea. If you have these signs, obtain fresh
air immediately. Turn off the gas supply to
the appliance and have it serviced by a
qualified professional, as it may not be op-
erating correctly.
All Models -
Maximum manifold pressure is 3.5 in. w.c.
(0.87 kPa) for natural gas and 10 in. w.c.
(2.49 kPa) for LP/Propane gas.
Provide adequate clearances around air open-
ings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front openings of the appliance.
These appliances are designed to operate on
natural or propane gas only.
Millivolt And Electronic Models -
Millivolt and Electronic models come standard
with the manually-modulated gas valve; flame
appearance and heat output can be controlled at
the gas valve.
Input of millivolt and electronic models is
shown in the following table:
The millivolt appliances are manually controlled
and feature a spark ignitor (piezo) that allows the
appliance's pilot gas to be lit without the use of
matches or batteries. This system provides
continued service in the event of a power outage.
Test gage connections are provided on the
front of the millivolt and electronic gas control
valve (identified IN for the inlet and OUT for the
manifold side). A 1/8" NPT test gage connec-
tion is provided at the inlet and outlet side of
the electronic gas control valve.
Minimum inlet gas pressure to these appli-
ances is 5.0 inches water column (1.24 kPa)
for natural gas and 11 inches water column
(2.74 kPa) for propane for the purpose of input
adjustment.
Maximum inlet gas supply pressure to these
appliances is 10.5 inches water column (2.61
kPa) for natural gas and 13.0 inches water
column (3.23 kPa) for propane.
4NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 2
Figure 3
*Note: 3 in. (76mm) above any horizontal/
inclined vent component for the MPLDV30
in all cases, and for the MPLDV35, MPLDV40
& MPLDV45, when the vent center line is
greater than 48" (1219 mm) above the fire-
place top wrapper surface. Increase this
clearance to 5" (127 mm) for the MPLDV35,
MPLDV40 & MPLDV45, when the vent cen-
ter line is less than 48" (1219 mm) above the
fireplace top wrapper surface.
**Note: See page 6, step 1 for clearance
requirements to the nailing flange located at
each side of the unit and any screw heads
adjacent to it.
Table 2
LOCATION
In selecting the location, the aesthetic and
functional use of the appliance are primary
concerns. However, vent system routing to the
exterior and access to the fuel supply are also
important. Consideration should be given to
traffic ways, furniture, draperies, etc., due to
elevated surface temperatures (
Figure 2
).
The location should also be free of electrical,
plumbing or other heating/air conditioning duct-
ing. These direct vent appliances are uniquely
suited for installations requiring a utility shelf
positioned directly above the fireplace. Utility
shelves like these are commonly used for locat-
ing television sets and decorative plants.
Typical Locations
KCAB )mm4.52(.ni1 srecaps)mm0(.ni0
SEDIS **)mm4.52(.ni1 srecaps)mm0(.ni0
SRECAPSPOT)mm0(.ni0
ROOLF)mm0(.ni0
fomottoBmorF gnilieCottinU )mm6261(.ni46
TNEV*)mm4.52(.ni1
SECNARAELCECIVRES
TNORF)sretem9.0(.teeF3
Shelf Height
(see table)
Do not insulate the
space between the
appliance and the
area above it.
Shelf Above Fireplace With Top Venting
HORIZONTAL VENT
(Top Vent
Application)
VERTICAL VENT
(Top Vent
Application)
APPLICATION
HORIZONTAL VENT
APPLICATION
HORIZONTAL VENT
VERTICAL VENT
APPLICATION
RECESSED
INSTALLATION
APPLICATION
APPLICATION
APPLICATION
HORIZONTAL VENT
HORIZONTAL VENT
HORIZONTAL VENT
WARNING: DO NOT PLACE CLOTHING
OR OTHER FLAMMABLE MATERIALS
ON OR NEAR THIS APPLIANCE.
AVERTISSEMENT: SURVEILLER LES
ENFANTS. GARDER LES VÊTEMENTS,
LES MEUBLES, L'ESSENCE OU AUTRES
LIQUIDES À VAPEUR INFLAMMABLES À
COTE DE L'APPAREIL.
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tneVpoT
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53VDLPM )8811(4/364)8811(4/364
54VDLPM/04VDLPM )4131(4/315)4131(4/315
WARNING: FAILURE TO COMPLY WITH
THE INSTALLATION AND OPERATING
INSTRUCTIONS PROVIDED IN THIS
DOCUMENT WILL RESULT IN AN IMPROP-
ERLY INSTALLED AND OPERATING
APPLIANCE, VOIDING ITS WARRANTY.
ANY CHANGE TO THIS APPLIANCE AND/
OR ITS OPERATING CONTROLS IS DAN-
GEROUS. IMPROPER INSTALLATION OR
USE OF THIS APPLIANCE CAN CAUSE
SERIOUS INJURY OR DEATH FROM FIRE,
BURNS, EXPLOSION OR CARBON MON-
OXIDE POISONING.
WARNING: CHILDREN AND ADULTS
SHOULD BE ALERTED TO THE HAZARDS
OF HIGH SURFACE TEMPERATURES. USE
CAUTION AROUND THE APPLIANCE TO
AVOID BURNS OR CLOTHING IGNITION.
YOUNG CHILDREN SHOULD BE CARE-
FULLY SUPERVISED WHEN THEY ARE IN
THE SAME ROOM AS THE APPLIANCE.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 5
12 X
Roof Pitch is X/12
2 FT
MIN.
2 FT MIN. Lowest
Discharge
Opening
H*
*H = MINIMUM HEIGHT FROM ROOF TO
LOWEST DISCHARGE OPENING OF VENT
TERMINATION HEIGHTS FOR VENTS ABOVE
FLAT OR SLOPED ROOFS
Horizontal Overhang
Vertical
Wall
Vent
Termination
Storm Collar
Concentric
Vent Pipe
Flashing
1 inch (25.4 mm) Minimum
Clearance to Combustibles
hctiPfooR H)teef(
21/6ottalF0.1
21/7ot21/6revO52.1
21/8ot21/7revO5.1
21/9ot21/8revO0.2
21/01ot21/9revO5.2
21/11ot21/01revO52.3
21/21ot21/11revO0.4
Figure 4
Vertical Vent Termination Clearances
VENT TERMINATION CLEARANCES
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.
Terminate multiple vent terminations accord-
ing to the installation codes listed at the top of
this page.
Horizontal Vent Termination Clearances
The horizontal vent termination must have a
minimum of 3" (76 mm) clearance to any over-
head combustible projection of 2-1/2" (64 mm)
or less. See
Figure 5.
For projections exceed-
ing 2-1/2" (64 mm), see
Figure 5
. All horizontal
terminations may be located as close as 6"
(152mm) to any (non-combustible and com-
bustible) exterior sidewall. This distance may
be decreased to 2" (51mm) for non-combus-
tible exterior sidewalls only, if the SV4.5HT-2
termination is used. For additional vent loca-
tion restrictions, refer to
Figure 8 on page 7
.
Terminate single vent caps relative to building
components according to
Figure 4
.
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.
Massachusetts Horizontal Vent Requirements
In the Commonwealth of Massachusetts, hori-
zontal terminations installed less than seven
(7) feet above the finished grade must comply
with the following additional requirements:
A hard wired carbon monoxide detector with
an alarm and battery back-up must be installed
on the floor level where the gas fireplace is
installed. The carbon monoxide detector must
comply with NFPA 720, be ANSI/UL 2034
listed and be ISA certified.
A metal or plastic identification plate must be
permanently mounted to the exterior of the
building at a minimum height of eight (8) feet
above grade and be directly in line with the
horizontal termination. The sign must read, in
print size no less than one-half (1/2) inch in
size, GAS VENT DIRECTLY BELOW. KEEP
CLEAR OF ALL OBSTRUCTIONS.
New York City, NY:
These fireplaces are approved for installation
in New York City in the US state of New York.
Maintain a minimum 1" (25 mm) clearance
to combustible materials for all vertical
vent elements.
Clearances for horizontal vent elements are
1" (25 mm) at the sides and 1" (25 mm) on
the bottom. Clearances above horizontal
vent elements are 3" (76 mm) for all models
and all applications.
Exception: Clearance
is 5" (127 mm) for MPLDV35, MPLDV40 &
MPLDV45, when the center line of the hori-
zontal run is less than 48" (1219 mm) above
the fireplace top wrapper surface.
APPLIANCE AND VENT CLEARANCES
Refer To Table 2 for approved clearances to
combustibles for the models covered in this
manual, with the following exception: When the
unit is installed with one side flush 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 2
.
To provide for the lowest possible shelf surface
the venting attached to the top vent should be
routed in a way to minimize obstructions to the
use of the space above the appliance. Do not
insulate the space between the appliance and
the area above it. Refer to
Figure 3
. The
minimum height from the base of the appliance
to the underside of combustible materials used
to construct a utility shelf in this fashion is
shown in the table in
Figure 3
.
The appliance should be mounted on a fully
supported base extending the full width and
depth of the unit. The appliance may be located
on or near conventional construction materi-
als. However, if installed on combustible mate-
rials, such as carpeting, vinyl tile, etc., a metal
or wood barrier covering the entire bottom
surface must be used.
6NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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 6.
Use 8d nails or their equivalent. Unit Being Secured by Its Nailing
Flanges to the Framing
Figure 6
Figure 5 -
Side Elevation View
Figure 7
Step 2. ROUTING GAS LINE
Route a 1/2" (13 mm) gas line along the inside
of the left side framing as shown in
Figure 7
.
Gas lines must be routed, constructed and
made of materials that are in strict accordance
with local codes and regulations.
All appliances are factory-equipped with a flex-
ible gas line connector and 1/2 inch shutoff
valve. (See step 6 on page 22).
Step 1. FRAMING
Frame these appliances as illustrated in
Figure 9
on page 8,
unless the appliance is to be installed
in a corner
.
See
Figure 10 on page 8
for corner framing
installations. All framing details must allow for a
minimum clearance to combustible framing mem-
bers as shown in
Table 2 on page 4
.
If the appliance is to be elevated above floor level,
a solid continuous platform must be constructed.
Headers may be in direct contact with the appli-
ance top spacers but must not be supported by
them or notched to fit around them. All construc-
tion above the appliance must be self supporting,
DO NOT use the appliance for structural support.
TYPICAL INSTALLATION SEQUENCE
The typical sequence of installation follows,
however, each installation is unique resulting in
variations to those described.
See the page numbers references in the follow-
ing steps for detailed procedures.
Step 1. (page 6) Construct the appliance fram-
ing. Position the appliance within the framing
and secure with nailing brackets.
Step 2. (page 6) Route gas supply line to
appliance location.
Step 3. (page 10) Install the vent system
and exterior termination. Install additional
restrictor, if needed.
Step 4. (page 21) Field Wiring
a. Millivolt Appliances The operating control
switch is factory installed.
b. Electronic Appliances Connect 120 Vac
electrical power to the appliance receptacle.
Step 5. (page 22) Make connection to gas
supply.
Step 6. (page 23) Install the logs and glow-
ing embers.
Step 7. (page 23) Checkout appliance operation.
Step 8. (page 23) Install glass door frame
assembly.
Step 9. (page 24)Adjust burner to ensure
proper flame appearance.
DETAILED INSTALLATION STEPS
The appliance is shipped with all gas controls
and components installed and pre-wired. Re-
move the shipping carton, exposing the front
glass door. Remove the bottom panel by lifting
and pulling it towards the front.
Open the two latches (located under the firebox
floor) securing the glass door. Remove the
door by tilting it outward at the bottom and
lifting it up. Set the door aside protecting it from
inadvertent damage.
See Figure 39 on page 23.
Note: The nailing flanges, combustible members
and screw heads located in areas directly adjacent
to the nailing flanges, are EXEMPT from the 1”
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” 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.
Nailing Flanges Are
Provided At All Four
Corners At 5/8”, 1/2”
And Flush Settings
Side
Framing
Unit
Nailing Flange
Left Side Top Corner of Fireplace Shown
(Right Side Requirements the Same)
Unit Being Secured By Its Nailing Flanges
To The Framing
Left Side
Front Corner of
Fireplace Framing
4-3/4"
(121 mm)
2-1/4"
(57 mm)
6-1/2"
(165 mm)
3"
(76 mm)
12"
(305 mm)
Combustible Projection greater
Horizontal Vent Termination Clearances
Combustible Projection
2-1/2 inches or less in length
18"
(457 mm)
Ventilated
Soffit Unventilated
Soffit
than 2-1/2 inches in length
Termination Kit
Termination Kit
All horizontal terminations
may be located as close as
6” (152mm) to any
(non-combustible and
combustible) exterior
sidewall. This distance
may be decreased to 2”
(51mm) for non-n-
combustible exterior
sidewalls only, if the
SV4.5HT-2 termination
is used.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 7
Figure 8
EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS
V
VV
VV
F
C
Fixed
Closed
Window
Operable
Window
B
B
A
B
H
M
I
= Area where Termination is not Permitted
= Air Supply Inlet
X
= Vent Termination
V
D
V
3 ft.
3 ft.
AA
A
= 9” in U.S.
= 12” in Canada
V
L
B
J
X
V
A
G
Inside
Corner Detail
B
C
C
C
*18”
Ventilated Soffit
Horizontal
Termination
Detail D
Exterior Wall Center Line
of Termination
18”
Inside Corner
*
See Item D in the Text Below.
V
P
V
O
NN
Q
NOTE: Local Codes Or Regulations
May Require Different Clearances.
NOTE: Location Of The Vent Termination
Must Not Interfere With Access To The
Electrical Service.
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8NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 10
Figure 9
Framing
FIREPLACE FRAMING SPECIFICATIONS
Corner Framing with Square Termination (SV4.5HT-2)
A
B
*7
(178)
5-1/8
**12-1/8
(308)
10-1/2
(267)
D
Framing should be
constructed of 2 x 4
or larger lumber.
Inches (mm)
(130)
C is the required framing depth
dimension when the finish material
(drywall) thickness is 1/2 in. (13mm).
1/2 A C
.oNledoMABCDE
03VDLPM .ni4/1034/1257346/7418/162
mm8677231049853466
53VDLPM .ni4/1534/1752/1048/7518/582
mm69845419201304727
04VDLPM .ni4/1044/126448/5718/113
mm220118518111844197
54VDLPM .ni4/1544/1762/1748/3918/533
mm941180717021294458
Note-
Venting requirements for corner installations - the horizontal vent length
“a” to “b,” must not exceed 28 inches (711 mm) Inches
(millimeters)
*These dimensions occur when one 45 degree elbow
is connected directly to the appliance collar.
Back wall of chase/enclosure
(including any finishing materials)
A
*B
7 (178)
b
a
*C
*E
*D
May Be
Removed May Be
Removed
.oNledoMABCD
03VDLPM .ni61/9034/3042/16183
mm6875301914569
53VDLPM .ni61/953044/32/16183
mm3095301914569
04VDLPM .ni61/9044/3542/16134
mm030126119142901
54VDLPM .ni61/954544/32/16134
mm751126119142901
Note: The appliance 45
°
collar can be rotated about its axis to align for
corner installation. Remove interfering corner spacer. This spacer is
used for shipping only.
*9" (229 mm) For MPLDV-35, 40 & 45
**14-1/8" (359 mm) For MPLDV-35, 40 & 45
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 9
RIGHT SIDE VIEW
B
17
(432)
1
(25.4)
LEFT SIDE VIEW
4 3/4
(121)
2 9/32
(58)
TOP VIEW
6 5/8
(168)
F
G
FRONT VIEW
13 11/64
(335)
A
E
D
C
10
(254 mm)
H
3 5/16 (100 mm)
.oNledoMABCDEFGH
03VDLPM .ni2/1042/1738/5028/1424/1034/3918/794/172
mm9201359435316867205152296
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mm651108011567682201657873918
54VDLPM .ni2/1542/1248/5528/1934/1544/3438/3714/123
mm651108011564999411388144918
Figure 11
Unit Dimensions
FIREPLACE SPECIFICATIONS
10 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 13
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
Flexible Vent Components manufactured
by Security Chimneys International and
Z-FLEX Model GA Venting Systems
listed to UL1777 and ULCS635 manufac-
tured by Flexmaster Canada Limited.
These approved vent system components
are labeled for identification.
DO NOT
use any other manufacturer's vent com-
ponents with these appliances.
These fireplaces must be vented directly
to the outside.
Determine the venting for the appliance. If the
vent run will include at least 8 feet of vertical
rise, then install the second restrictor in the
appliance collar before connecting any vent
(Refer to
Figure 12
). Place the second restric-
tor inside the fixed restrictor.
Note: The second restrictor is included within
the firebox.
The vent system may not service multiple
appliances, and must never be connected to a
flue serving a solid fuel burning appliance. The
vent pipe is tested to be run inside an enclos-
ing wall (such as a chase). There is no require-
ment for inspection openings in the enclosing
wall at any of the joints in the vent pipe.
Select Venting System - Horizontal or Vertical
With the appliance secured in framing, deter-
mine vent routing and identify the exterior
termination location. The following sections
describe vertical (roof) and horizontal (exterior
wall) vent applications. Refer to the section
relating to your installation. A list of approved
venting components is shown in the tables on
page 26.
VERTICAL TERMINATION SYSTEMS (ROOF)
Figures 13, 17 and 23 through 25 on pages
12, 14 and 15
and their associated Vertical
Vent Tables illustrate the various vertical vent-
ing configurations that are possible for use
with these appliances. Secure Vent pipe ap-
plications are shown in these figures; Secure
Flex pipe may also be used.
A Vertical Vent Table summarizes each systems
minimum and maximum vertical and horizontal
length values that can be used to design and
install the vent components in a variety of
applications.
Both these vertical vent systems terminate
through the roof. The minimum vent height
above the roof and/or adjacent walls is speci-
fied in ANSI Z223.1-(latest edition) (In Canada,
the current CAN-1 B149 installation code) by
major building codes. Always consult your
local codes for specific requirements. A gen-
eral guide to follow is the Gas Vent Rule (refer
to
Figure 4
on page 6 ).
Vertical (Straight) Installation
Determine the number of straight vent sec-
tions required. 4-1/2" (114 mm), 10-1/2" (267
mm), 22-1/2" (572 mm), 34-1/2" (876 mm)
and 461/2" (1181 mm) net section lengths
are available. Plan the vent lengths so that a
joint does not occur at the intersection of
ceiling or roof joists. Refer to the Vent
Section Length Chart.
Figure 12
Exhaust Vent Fixed Restrictor
Second Restrictor (For Vertical Vent Only)
SV4.5CGV-1
Termination SV4.5FA OR
SV4.5FB Flashing
AND SV4.5SC
STORM COLLAR
*SV4.5VF
Firestop/Spacer
SV4.5L6/12/24/36/48
Vent Sections
40' Max.
(12.2 M)
6' Min.
(1.8 M)
1" (25.4 mm)
Minimum
Clearance to
Combustibles
*When using Secure Flex,
use Firestop/Spacer
SF4.5VF
Vertical (Offset) Installation
Analyze the vent routing and determine the
quantities of vent sections and number of
elbows required. Refer to Vertical Vent Fig-
ures and Tables on page 14 and 15 to select
the type of vertical installation desired. Vent
sections are available in net lengths of 4-1/2"
(114 mm), 10-1/2" (267 mm), 22-1/2" (572
mm), 34-1/2" (876 mm) and 46-1/2" (1181
mm). Refer to the Vent Section Length Chart
on page 11 for an aid in selecting length
combinations. Elbows are available in 90° and
45° configurations. Refer to
Figure 18
for the
SV4.5E45 and SV4.5E90 elbow dimensional
specifications.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 11
Maintain a minimum 1" (25 mm) clearance
to combustible materials for all vertical
vent elements.
Clearances for horizontal vent elements are
1" (25 mm) at the sides and 1" (25 mm) on
the bottom. Clearances above horizontal
vent elements are 3" (76 mm) for all models
and all applications.
Exception: Clearance
is 5" (127 mm) for MPLDV35, MPLDV40 &
MPLDV45, when the center line of the hori-
zontal run is less than 48" (1219 mm) above
the fireplace top wrapper surface.
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5.4573.0100001
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5152.1110002
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5.22578.1001001
5.52521.2120003
5.13526.2030003
5.43578.2000101
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5457.3002002
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5.94521.4102003
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801 9100304
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5.691573.61010045
5.502521.71011507
70252.71000606
5.112526.71100607
5.712521.81010607
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5.232573.91000055
73257.91100056
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6425.02100708
25212010708
46222001708
67232000808
97252.32000066
5.082573.32100809
5.382526.32100067
5.982521.42010067
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5.013578.52000909
5135.621009001
5.523521.72000077
0335.72100078
63382010078
54357.8200001001
5.943521.9210001011
27313000088
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5.973526.1300011011
5.814578.43000099
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56457.8300000101
Where required, a telescopic vent section
(SV4.5LA) may be used to provide the installer
with an option in installing in tight and confined
spaces or where the vent run made up of fixed
length pieces develops a joint in a undesirable
location, or will not build up to the required
length. The SV4.5LA Telescopic Vent Section
has an effective length of from 1-1/2" (38 mm)
to 7-1/2" (191 mm).
The SV4.5LA is fitted with a locking inclined
channel end (identical to a normal vent sec-
tion component) and a plain end with 3 pilot
holes. Slip the plain end over the locking
channel end of a standard SV4.5 vent com-
ponent the required distance and secure with
three #8 x 3/8" screws.
The starter elbow may not be used if a 45 degree
vent run is required directly off of the unit.
Refer to
Detail - Figure 17
.
A. Attach Supplied 45 Degree Starter Elbow -
Slip the plain end with 3 mounting holes over
the locking channel end of the appliance collar
and secure with three screws.
B. Support The Elbows - Support the starter
elbow and the vertical portions of the venting
system with support bracket as shown in
Figure 23
- Detail A, on page 14. Do not use
the starter elbow anywhere else in the vent
system if not used on the appliance collar.
SV4.5 rigid and flex components can be used
directly off the collar. Do not return to rigid
sections after using flex sections in a vent run.
C. Frame ceiling opening - Use a plumb line
from the ceiling above the appliance to lo-
cate center of the vertical run. Cut and/or
frame an opening, 10-1/2" x 10-1/2" (267mm
x 267mm) inside dimensions, about this
center mark (
Figure 14
).
12 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
10 1/2” Min.
(267 mm)
10 1/2” Min.
(267 mm)
Figure 14
Align the dimple (four places) of the
upper vent section with the opening of
the locking incline channel on the
lower vent section. Twist vent
component clockwise to engage and
seal until arrow and dimple align.
Locking
Incline Channel
Dimple
Arrow
Connected
Vent Sections
Vent / Vent Section
Connection
Arrow
Arrow
Figure 15
Figure 16
This seating position is indicated by the
alignment of the arrow and dimple as shown
in
Figure 16.
F. Install firestop/spacer at ceiling - When
using Secure Vent, use SV4.5VF firestop/spacer
at ceiling joists; when using Secure Flex, use
SF4.5VF firestop/spacer. If there is living space
above the ceiling level, the firestop/spacer
must be installed on the bottom side of the
ceiling. If attic space is above the ceiling, the
firestop/spacer must be installed on the top
side of the joist.
Route the vent sections through the framed
opening and secure the firestop/spacer with 8d
nails or other appropriate fasteners at each
corner. Remember to maintain 1" (25 mm)
clearance to combustibles, framing mem-
bers, and attic or ceiling insulation when
running vertical chimney sections. Attic insu-
lation shield (96K94) may be used to obtain
the required clearances indicated here. See
installation accessories table on page 25.
G. Support the vertical vent run sections -
Note - Proper venting support is very impor-
tant. The weight of the vent must not be
supported by the fireplace in any degree.
Support the vertical portion of the venting
system every 8 feet (2.4m) above the fireplace
vent outlet. One method of support is by utiliz-
ing field provided support straps (conven-
tional plumber's tape). Secure the plumber's
tape to the framing members with nails or
screws.
To attach a vent component to the 45 degree
starter elbow, align the dimpled end over the
elbow, adjusting the radial alignment until the
four locking dimples are aligned with the inlet
of the four inclined channels on the collar
(
refer to Figure 15
).
Push the vent component against the starter
elbow until it fully engages, then twist the
component clockwise, running the dimples
down and along the incline channels until they
seat at the end of the channels.
The unitized design of the Secure Vent com-
ponents will engage and seal both the inner
and outer pipe without the need for sealant or
screws. If desired a #6 x 1/2" screw may be
used at the joint, but it is not required as the
pipe will securely lock when twisted.
Note: Always use the starter elbow directly
at the appliance 45
°
collar unless rigid
straight pipe of flex pipe is used, as shown in
Figure 17.
E. Attach vent components to each other - Other
vent sections may be added to the previously
installed section in accordance with the require-
ments of the vertical vent figures and tables. To
add another vent component to a length of vent
run, align the dimpled end over the inclined
channel end of the previously installed section,
adjusting the radial alignment until the four
locking dimples are aligned with the inlets of the
four incline channels of the previous section.
Push the vent component against the previous
section until it fully engages, then twist the
component clockwise running the dimples down
and along the incline channels until they seat at
the end of the channels.
D. Attach vent components to 45 degree
starter elbow - Secure Vent SV4.5 direct vent
system components are unitized concentric
pipe components featuring positive twist lock
connections (
see Figure 15
).
All of the appliances covered in this document
are fitted with collars having locking inclined
channels. The dimpled end of the vent compo-
nents fit over the appliance collar to create the
positive twist lock connection.
First Vent
Component
Align the dimple (four places)
with the opening of the locking
incline channel on appliance
collar. Twist vent component
clockwise to engage and seal.
Locking
Incline Channel
Dimple
45 degree starter elbow
Vent / 45 Degree Starter
Elbow Connection
Figure 17
1 inch
(25.4 mm)
minimum
clearance to
combustibles
Support Straps
(Plumber’s tape)
8 feet (2.4 m)
Maximum
Blocking
Detail
Rigid Or Flex
Venting
Components May
Be Connected
Directly To The 45
Degree Collar.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 13
Maintain a minimum 1" (25 mm) clearance
to combustible materials for all vertical
vent elements.
Clearances for horizontal vent elements are
1" (25 mm) at the sides and 1" (25 mm) on
the bottom. Clearances above horizontal
vent elements are 3" (76 mm) for all models
and all applications.
Exception: Clearance
is 5" (127 mm) for MPLDV35, MPLDV40 &
MPLDV45, when the center line of the hori-
zontal run is less than 48" (1219 mm) above
the fireplace top wrapper surface.
Framing Dimensions for Roof
Pitch C D
0/12 10-1/2 in. 10-1/2 in.
(267 mm) (267 mm)
6/12 10-1/2 in. 12 in.
(267 mm) (305 mm)
12/12 10-1/2 in. 17-3/4 in.
(267 mm) (451 mm)
Figure 19
Figure 20 Figure 22
Figure 21
If the vent system extends more than 5' (1.5
m) above the roof flashing, stabilizers may be
necessary. Additional screws may be used at
section joints for added stability. Guide wires
may be attached to the joint for additional
support on multiple joint configurations.
I. Continue installation of horizontal/inclined
sections - Continue with the installation of the
straight vent sections in horizontal/inclined
run as described in Step E. Install support
straps every 5' (1.52 m) along horizontal/
inclined vent runs using conventional plumbers
tape. It is very important that the horizontal/
inclined run be maintained in a straight (no
dips) and slightly elevated plane in a direc-
tion away from the fireplace 1/4" per foot (20
mm per meter) which is ideal, though rise per
foot run ratios that are smaller are acceptable
all the way down to at or near level.
It is important to maintain the required clear-
ances to combustibles at the top and bottom
for all horizontal/inclined runs.
Loop the tape around the vent, securing the
ends of the tape to the framing. If desired,
sheet metal screws #6 x 1/2" length may be
used to secure the support straps to the vent
pipe. Refer to
Figure 17.
H. Change vent direction to horizontal/in-
clined run - At transition from or to a horizon-
tal/inclined run, install the SV4.5E45 and
SV4.5E90 elbows in the same manner as the
straight vent sections. The elbows feature a
twist section to allow them to be routed about
the center axis of their initial collar section to
align with the required direction of the next
vent run element. Twist elbow sections in a
clockwise direction only so as to avoid the
possiblity of unlocking any of the previously
connected vent sections. See
Figure 18
.
Figure 18
SV4.5E90
(90° Elbow)
8-1/8"
(206 mm)
Swivel Joint
(360° swivel)
4-13/16"
(122 mm)
SV4.5E45
(45° Elbow)
Swivel Joint
(360° swivel)
C
D
Storm
Collar
H. Frame roof opening - Identify location for
vent at the roof. Cut and/or frame opening per
Roof Framing Chart and
Figure 19
.
L. Install the vertical termination - The final step
involves installation of the SV4.5CGV-1 Vertical
Termination. Extend the vent sections to the
height as shown in the "Vertical vent termination
section" on page 6. The SV4.5CGV-1 Vertical
Termination (
Figure 22
) installs in the exact
same fashion as any other Secure Vent section.
Align the termination over the end of the previ-
ously installed section, adjusting the radial align-
ment until the four locking dimples of the termi-
nation are aligned with the inlets of the four
incline channels of the last vent section. Push the
termination down until it fully engages, then twist
the termination clockwise running the dimples
down and along the incline channels until they
seat at the end of the channels.
J. Install the roof flashing - Extend the vent
sections through the roof structure. Install the
roof flashing over the vent section and posi-
tion such that the vent column rises vertically
(use carpenters level) (
Figure 20
). Nail along
perimeter to secure flashing or adjust roofing
to overlap the flashing edges at top and sides
only and trim where necessary. Seal the top
and both sides of the flashing with waterproof
caulking.
K. Install the storm collar - Install the storm
collar, supplied with the flashing, over the
vent/flashing joint. See
Figure 21.
Loosen
the storm collar screw. Slide collar down until
it meets the top of the flashing. Tighten the
adjusting screw. Apply non-combustible caulk-
ing or mastic around the circumference of the
joint to provide a water tight seal.
14 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Note: Install second restrictor in any run
having more than 8 ft. of vertical rise.
Figure 23
- Top Vent - STRAIGHT
Figure 24
-
Top Vent - TWO 90 DEGREE ELBOWS
VERTICAL VENT FIGURES/TABLES
Note: Two 45 degree elbows may be used in
place of one 90 degree elbow. The same rise to
run ratios, as shown in the venting figures for
90 elbows, must be followed if 45 degree
elbows are used.
Note: It is very important that the horizontal/inclined run be maintained in a straight (no dips)
and recommended to be in a slightly elevated plane, in a direction away from the fireplace of
1/4" rise per foot (20 mm per meter) which is ideal, though rise per foot run ratios that are smaller
are acceptable all the way down to at or near level.
WARNING: UNDER NO CIRCUMSTANCES MAY SEPARATE SECTIONS
OF CONCENTRIC FLEXIBLE VENT PIPE BE JOINED TOGETHER.
Example: If 20 feet of (H) horizontal vent run is needed, then 4 feet minimum of (V) vertical
vent will be required.
This table shows a 1 (V) to 5 (H) ratio. For every 1 foot of (V) vertical, you are allowed 5 feet
of (H) horizontal run, up to a maximum horizontal run of 20 feet.
TABLE A
H Maximum V Minimum
feet (meters) feet
5(1.524) 1(0.305)
10 (3.048) 2(0.610)
15 (4.572) 3(0.914)
20 (6.096) 4(1.219)
V + H = 40 feet (12.2 m) Max.
H = 20 feet (6.096 meters) Max.
(meters)
40 feet
(12.2 meters)
Maximum
*
Ceiling
Firestop/Spacer
(SV4.5VF)
*When using Secure
Flex, use
Firestop/Spacer
SF4.5VF
Support
Bracket
Detail View
Note: SV4.5VF (Secure Vent), SF4.5VF (Secure Flex) firestop/spacer must be used anytime vent pipe
passes through a combustible floor or ceiling. SV4.5HF (Secure Vent) or SF4.5HF (Secure Flex)
must be used anytime vent pipe passes through a combustible wall. For the MPLDV35/40/45, with
a center line lower than 48" (1219 mm) above the fireplace top wrapper surface, use SV4.5HF5 or
SF4.5HF5. In all cases the firestop/spacer provided with the termination may be used with the
termination, frame to 5" clearance where applicable.
Note: Secure Vent (rigid vent pipe) is shown in the figures; Secure Flex (flexible vent pipe) may
also be used.
H
*Ceiling
Firestop/Spacer
(SV4.5VF)
**Wall
Firestop/Spacer
**Use Firestop/Spacer SV4.5HF or SF4.5HF when using Secure Vent or Secure Flex respectively.
Use Firestop/Spacer SV4.5HF5 or SF4.5HF5 when using Secure Vent or Secure Flex on horizontal
vent runs for the MPLDV35/40/45 with a center line lower than 48” (1219 mm) above the fireplace
top wrapper surface. In all cases the firestop/spacer provided with the termination may be used
with the termination, frame to 5” clearance where applicable.
*When using Secure Flex,
use Firestop/Spacer
SF4.5VF
Support
Bracket
V
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 15
Figure 25 -
Top Vent - THREE ELBOWS
Example: If 20 feet of (H) horizontal vent run is
needed, then 4 feet minimum of (V) vertical vent
will be required.
This table shows a 1 (V) to 5 (H) ratio. For every
1 foot of (V) vertical, you are allowed 5 feet of (H)
horizontal run, up to a maximum horizontal run of
20 feet.
TABLE B
H +
H1
Maximum V Minimum
feet feet
5(1.524) 1(0.305)
10 (3.048) 2(0.610)
15 (4.572) 3(0.914)
20 (6.096) 4(1.219)
H + H1 = 20 feet (6.096 m) Max.
V + H + H1 = 40 ft. (12.192 m) Max.
(meters) (meters)
HORIZONTAL (OUTSIDE WALL)
TERMINATION SYSTEM
Figures 26, and Figures 29 to 32 on pages 18
and 19
and their associated Horizontal Vent
Table illustrate the various horizontal venting
configurations that are possible for use with
these appliances. Secure Vent pipe applica-
tions are shown in these figures; Secure Flex
pipe may also be used. A Horizontal Vent Table
summarizes each systems minimum and maxi-
mum vertical and horizontal length values that
can be used to design and install the vent
components in a variety of applications.
A. Attach Supplied 45 Degree Starter Elbow
- Slip the plain end with 3 mounting holes over
the locking channel end of the appliance collar
and secure with three screws.
Both of these horizontal vent systems terminate
through an outside wall. Building Codes limit or
prohibit terminating in specific areas. Refer to
Figure 8
on page 7 for location guidelines.
Secure Vent SV4.5 direct vent system compo-
nents are unitized concentric pipe compo-
nents featuring positive twist lock connection,
(
refer to Figure 15
and 16
on page 12). All of
the appliances covered in this document are
fitted with collars having locking inclined chan-
nels. The dimpled end of the vent components
fit over the appliance collar to create the posi-
tive twist lock connection.
C. Plan the vent run -
Analyze the vent routing and determine the
types and quantities of sections required
4-1/2" (114 mm), 10-1/2" (267 mm), 22-1/2"
(572 mm), 34-1/2" (876 mm) and 46-1/2"
(1181 mm) net section lengths are available.
Plan the vent lengths so that a joint does not
occur at the intersection of ceiling or roof
joists. Make allowances for elbows as indi-
cated in
Figure 18 on page 13
.
H1
H
V
*Ceiling
Firestop/Spacer
(SV4.5VF) **Wall
Firestop/Spacer
*When using Secure Flex,
use Firestop/Spacer
SF4.5VF
Support
Bracket
Detail View
**Use Firestop/Spacer SV4.5HF or SF4.5HF when using Secure Vent or Secure
Flex respectively. Use Firestop/Spacer SV4.5HF5 or SF4.5HF5 when using
Secure Vent or Secure Flex on horizontal vent runs for the MPLDV35/40/45
with a center line lower than 48” (1219 mm) above the fireplace top wrapper
surface. In all cases the firestop/spacer provided with the termination may
be used with the termination, frame to 5” clearance where applicable.
VERTICAL VENT FIGURES/TABLES
(continued)
Maintain a minimum 1" (25 mm) clearance
to combustible materials for all vertical
vent elements.
Clearances for horizontal vent elements are
1" (25 mm) at the sides and 1" (25 mm) on
the bottom. Clearances above horizontal
vent elements are 3" (76 mm) for all models
and all applications.
Exception: Clearance
is 5" (127 mm) for MPLDV35, MPLDV40 &
MPLDV45, when the center line of the hori-
zontal run is less than 48" (1219 mm) above
the fireplace top wrapper surface.
B. Support The Elbows - Support the starter
elbow and the horizontal portions of the vent-
ing system with support bracket as shown in
Figure 29 to 32
.
16 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Vertical
Rise
SV4.5E90
Elbow
Horizontal / Inclined Run SV4.5 HT-2
Termination
Firestop/Spacer
SV4.5L6/12/24/36/48
Vent Sections
Support Bracket Spacing
Every 5 ft (1.52 m)
See Figure 17 on page 12 for
vertical vent section support.
SV4.5 HT-2
Termination
Support
Brackets
Building
Support
Framing
Ceiling
Fireplace
Exterior
Wall
Exterior
Wall
TYPICAL HORIZONTAL VENT INSTALLATION
Figure 26
Push the vent component against the elbow
until it fully engages, then twist the component
clockwise, running the dimples down and along
the incline channels until they seat at the end
of the channels. The unitized design of the
Secure Vent components will engage and seal
both the inner and outer pipe elements with
the same procedure. Sealant and securing
screws are not required.
Note: A 90 or 45 degree elbow may not be
directly attached to the appliance elbow
collar.
G. Attach vent components to each other -
Other vent sections may be added to the pre-
viously installed section in accordance with
the requirements of the vent tables.
To add another vent component to a length of
vent run, align the dimpled end of the compo-
nent over the inclined channel end of the
previously installed section, adjusting the ra-
dial alignment until the four locking dimples
are aligned with the inlets of the four incline
channels of the previous section.
Push the vent component against the previous
section until it fully engages, then twist the
component clockwise running the dimples
down and along the incline channels until they
seat at the end of the channels.This seating
position is indicated by the alignment of the
arrow and dimple as shown in
Figure 16 on
page 12.
H. Install firestop/spacer at ceiling -
When using Secure Vent, use SV4.5VF firestop/
spacer at ceiling joists; when using Secure Flex,
use SF4.5VF firestop/spacer.
D. Frame exterior wall opening -
Locate the center of the vent outlet on the
exterior wall according to the dimensions
shown in
Figure 9
on page 8.
Cut and/or frame an opening, 10-1/2" x 12-1/8"
(267 mm x 308mm) inside dimensions, about
this center.
E. Frame ceiling opening - If the vertical route
is to penetrate a ceiling, use plumb line to
locate the center above the appliance. Cut and/
or frame an opening, 10-1/2" x 10-1/2" (267
mm x 267 mm) inside dimensions, about this
center (refer to
Figure 14
on page 11 ).
Install support straps every 5 ft. (1.52 m)
along horizontal/inclined vent runs using con-
ventional plumbers tape. See
Figure 26
, it is
very important that the horizontal/inclined
run be maintained in a straight (no dips) and
recommended to be in a slightly elevated
plane, in a direction away from the fireplace
of 1/4" rise per foot (20 mm per meter) which
is ideal, though rise per foot run ratios that are
smaller are acceptable all the way down to at or
near level
.
Use a carpenters level to measure
from a constant surface and adjust the support
straps as necessary.
It is important to maintain the required clear-
ances to combustibles at the top and bottom
for all horizontal/inclined runs.
If there is living space above the ceiling level,
the firestop/ spacer must be installed on the
bottom side of the ceiling.
If attic space is
above the ceiling, the firestop/ spacer must be
installed on the top side of the joist. Route the
vent sections through the framed opening and
secure the firestop/spacer with 8d nails or
other appropriate fasteners at each corner.
Remember to maintain 1" (25 mm) clearance
to combustibles, framing members, and attic
or ceiling insulation when running vertical
chimney sections.
I. Support the vertical run sections -
On the vertical run, support the venting sys-
tem every 8 feet (2.4m) above the fireplace
vent outlet with field provided support straps
(Plumber's tape).
Attach the straps to the vent pipe and secure to
the framing members with nails or screws.
See
Figure 17 on page 12.
J. Change vent direction - At transition from
or to a horizontal/inclined run, install the
SV4.5E45 and SV4.5E90 elbows in the same
manner as the straight vent sections. The
elbows feature a twist section to allow them
to be routed about the center axis of their
initial collar section to align with the required
direction of the next vent run element. Twist
elbow sections in a clockwise direction only
so as to avoid the possiblity of unlocking
any of the previously connected vent sec-
tions. See
Figure 18 on page 13
.
K. Continue installation of horizontal/inclined
sections - Continue with the installation of the
straight vent sections in horizontal/inclined
run as described in Step F.
F. Attach vent components to starter elbow -
To attach a vent component to the the starter
elbow, align the dimpled end over the collar,
adjusting the radial alignment until the four
locking dimples are aligned with the inlets of
the four incline channels on the collar (
refer to
Figure 15
on page 12).
L. Assemble vent run to exterior wall - If not
previously measured, locate the center of the
vent at the exterior wall. Prepare an opening
as described in Step D. Assemble the vent
system to point where the terminus of the last
section is within 7 in. (178 mm) to 11-1/4 in.
(286 mm) inboard of the exterior surface to
which the SV4.5 HT-2 termination is to be
attached, see
Figure 28
.
Maintain a minimum 1" (25 mm) clearance
to combustible materials for all vertical
vent elements.
Clearances for horizontal vent elements are
1" (25 mm) at the sides and 1" (25 mm) on
the bottom. Clearances above horizontal
vent elements are 3" (76 mm) for all models
and all applications.
Exception: Clearance
is 5" (127 mm) for MPLDV35, MPLDV40 &
MPLDV45, when the center line of the hori-
zontal run is less than 48" (1219 mm) above
the fireplace top wrapper surface.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 17
Horizontal terminations have been designed to perform in a wide range of weather
conditions. Our terminations meet or exceed industry standards.
When selecting the locations of your horizontal terminations, do not place the
termination where water from eaves and adjoining rooflines may create a heavy flow
of cascading water onto the termination cap. If the cap must be placed where the
possibility of cascading water exists, it is the responsibility of the builder to direct the
water away from the termination cap by using gutters or other means.
Take care to carefully follow the installation instructions for the termination, including
the use of silicone caulking where required.
Figure 27
Figure 28
Installing the Square Horizontal Termination (SV4.5HT-2)
O. Install the desired termination -
1. Install the square termination (SV4.5HT-2)-
For the last step , from outside the exterior wall,
slide the collars of the termination onto the
adapter (the outer over the outer and the inner
inside the inner) until the termination seats against
the exterior wall surface to which it will be
attached. Orient the housing of the termination
with the arrow pointed upwards. Secure the
termination to the exterior wall. The horizontal
termination must not be recessed into the
exterior wall or siding by more than the 1-1/4"
(32 mm) as shown in
Figure 28
.
SVHRK Snorkel Cap The snorkel cap is de-
signed to be fitted into a basement window box.
The SVHRK cap is for use with flex vent. The
vertical distance between the inlet and outlet of
the cap is 28 in. (711 mm). pipe.
If the terminus of the last section is not within
this distance, use the telescopic vent section
SV4.5LA, as the last vent section. For wall
thicknesses greater than that shown in
Figure
28
, refer to
Table 3 on page 18
. This table lists
the additional venting components needed (in
addition to the termination and adapter) for a
particular range of wall thicknesses.
M. Attach termination adapter - Attach the
adapter (SV4.5RCH - provided with the termi-
nation) to the vent section or telescoping vent
section), elbow as shown in
Figure 27
in the
same manner as any SV4.5 vent component
(refer to Step F).
N. Install Firestop/Spacer at exterior wall -
When using the square termination, install
the SV4.5HF (Secure Vent) or SF4.5HF (Se-
cure Flex) Firestop/Spacer over the open-
ing at the exterior side of the framing (long
side up) as shown in
Figure 27
, and fasten
into place. Ensure 5" clearance is main-
tained by framing above the vent run for
MPLDV35/40/45 when center line of the
run is lower than 48" (12119 mm) above
the fireplace top wrapper surface.
(The Firestop/Spacer may also be installed
over the opening at the interior side of the
framing.)
IMPORTANT: The vent termination is
hot while in operation and for a period of
time following use of the fireplace. To
prevent contact with hot surfaces, we
recommend the use of a Termination
Guard. This can be purchased at your
local dealer.
Firestop/Spacer provided with the
termination shown on the exterior
side of the wall. It may also be
installed on the interior side. SV4.5 HT-2
Termination
**7"
(178)
5-1/8"
(130 mm)
**12-1/8"
(308 mm)
Note: Centerline of Vent Piping is
NOT the Same as the Centerline of
the Frame Opening.
6 to 48 inch
Vent Section,
Telescopic vent
section on Elbow
See Figure 9 on page 8
for Min. Distance to Base
of Appliance.
Base of Appliance
**3” (76 mm)
for MPLDV30/35
1"
(25.4 mm)
Adapter
SV4.5RCH
10-1/2"
(267 mm)
**
Increase these dimensions by 2” (51mm) for MPLDV35/40/45
with horizontal vent runs with center lines lower than 48”
(1219mm) above the fireplace for wrapper surface.
Siding
Stucco
1-1/4" Maximum Recess of
Square Termination into
Exterior Finishing Material
Exterior Surface of
Framing
6 in. to 9-1/4 in.
(152 to 235 mm)**
Exterior Surface of Siding
Interior Surface of
Finished Wall
Maximum wall thickness
10 in.(254 mm)**
SV4.5HT-2
Square Termination
Maximum Extent of
Vent Run Sections
Relative to Exterior
Surface of Framing
Last Vent Section. Use
Telescopic Vent
Section (SV4.5LA), If
Necessary
Adapter
SV4.5RCH
SV4.5HT-2
Square Termination
Venting Connection and Exterior Wall Recessing of the
Horizontal Square Termination (SV4.5HT-2).
*Use silicone caulking to
seal the top and sides of
the termination, up to the
underlayment, stucco, or
masonry wall surface.
**For thicknesses greater
than 10”, see Table 3.
*Caulk
*Caulk
18 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
HORIZONTAL VENT FIGURES/TABLES
Note: Two 45 degree elbows may be used in place of one 90 degree elbow.
The same rise to run ratios, as shown in the venting figures for 90 degree
elbows, must be followed if 45 degree elbows are used.
Note: It is very important that the horizontal/inclined run be main-
tained in a straight (no dips) and recommended to be in a slightly
elevated plane, in a direction away from the fireplace of
1/4" rise per
foot (20 mm per meter) which is ideal, though rise per foot run ratios that
are smaller are acceptable all the way down to at or near level.
Note: Secure Vent components (rigid vent pipe and terminal) are
shown in the figures; Secure Flex components (flexible vent pipe and
terminal) may also be used.
WARNING: UNDER NO CIRCUMSTANCES MAY SEPA-
RATE SECTIONS OF CONCENTRIC FLEXIBLE VENT PIPE
BE JOINED TOGETHER.
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Note: SV4.5VF (Secure Vent), SF4.5VF (Secure Flex) firestop/spacer
must be used anytime vent pipe passes through a combustible floor or
ceiling. Lennox MPLDV35"/40" & 45" models require 5" clearances to
combustibles above horizontal vent runs when the centerline of the
horizontal vent run is at or below 48" (1219 mm) above the fireplace top
wrapper. In all other instances, with these three models and with the
MPLDV30 in all instances, the clearance to combustibles above horizon-
tal vent runs is 3". Please note that to facilitate the 5" clearance when
required, we have two 5" clearance firestops. The SV4.5HF5 is for use
with rigid (Secure Vent ) and the SF4.5HF5 is for use with (Secure
Flex ). These firestops should be used whenever horizontal vent runs
meeting the use requirements detailed above, penetrate walls separating
occupied rooms in a house.
Each of our horizontal terminations are shipped with a standard 3"
clearance horizontal firestop. In ALL cases this firestop may be used at the
exterior wall regardless of any circumstances that may require the 5"
clearance to combustibles above the horizontal vent component. The
firestop provided with the termination is not specific for use with any
particular clearance height.
The SV4.5HF or SF4.5HF firestop provided with each termination can be
used as shown in Figure 29 when fitted at the exterior wall adjacent to the
termination.
3”
1”
1”
1”
Stud
Framing
SV4.5HF/SF4.5HF
Firestop
Top
Spacer 5”
1”
1”
1”
Stud
Framing
Top
Spacer
SV4.5HF/SF4.5HF
Firestop
3” Clearance 5” Clearance
Figure 29
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 19
Figure 30
-
Top Vent - ONE 90 DEGREE ELBOW - ELBOW
CONNECTION NOT DIRECTLY AT APPLIANCE
See
Table 3
as an aid in venting component selection
for a particular range of exterior wall thicknesses.
Square termination (SV4.5HT-2) shown.
Example: If 20 feet of (H)
horizontal vent run is needed,
then 4 feet minimum of (V)
vertical vent will be required.
This table shows a 1 (V) to 5
(H) ratio. For every 1 foot of
(V) vertical, you are allowed
5 feet of (H) horizontal run,
up to a maximum horizontal
run of 20 feet.
H Maximum V Minimum
feet feet
5(1.524) 1 (0.305)
10 (3.048) 2 (0.610)
15 (4.572) 3 (0.914)
20 (6.096) 4 (1.219)
V + H = 40 feet (12.2 m) Max.
H = 20 ft. (6.096 m) Max.
TABLE C
(meters) (meters)
H
V
*When using Secure Flex, use
Firestop/Spacer SF4.5VF
*Ceiling
Firestop/Spacer
(SV4.5VF)
Support
Bracket
**Wall
Firestop/Spacer
**Use Firestop/Spacer SV4.5HF or SF4.5HF when using
Secure Vent or Secure Flex respectively. Use
Firestop/Spacer SV4.5HF5 or SF4.5HF5 when using
Secure Vent or Secure Flex on horizontal vent runs for
the MPLDV35/40/45 with a center line lower than 48”
(1219 mm) above the fireplace top wrapper surface.
In all cases the firestop/spacer provided with the
termination may be used with the termination, frame
to 5” clearance where applicable.
Figure 31
-
Top Vent - ONE 90 DEGREE ELBOW -
CONNECTION DIRECTLY AT APPLIANCE
H = 28 inches (711 mm) Maximum
Square termination (SV4.5HT-2) shown.
H
Support
Bracket
*Wall
Firestop/Spacer
*Use Firestop/Spacer SV4.5HF or SF4.5HF
when using Secure Vent or Secure Flex
respectively. Use Firestop/Spacer SV4.5HF5
or SF4.5HF5 when using Secure Vent or
Secure Flex on horizontal vent runs for the
MPLDV35/40/45 with a center line lower than
48” (1219 mm) above the fireplace top
wrapper surface. In all cases the
firestop/spacer provided with the termination
may be used with the termination, frame to
5” clearance where applicable.
20 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Example: If 20 feet of (H) horizontal vent run
is needed, then 4 feet minimum of (V) vertical
vent will be required.
This table shows a 1 (V) to 5 (H) ratio. For
every 1 foot of (V) vertical, you are allowed 5
feet of (H) horizontal run, up to a maximum
horizontal run of 20 feet.
Example: If 20 feet of (H) horizontal vent
run is needed, then 4 feet minimum of (V)
vertical vent will be required.
This table shows a 1 (V) to 5 (H) ratio. For
every 1 foot of (V) vertical, you are allowed
5 feet of (H) horizontal run, up to a maxi-
mum horizontal run of 20 feet.
V Minimum
feet feet
5(1.524) 1(0.305)
10 (3.048) 2(0.610)
15 (4.572) 3(0.914)
20 (6.096) 4(1.219)
(meters)
TABLE E
(meters)
11
H
+ H1 = 20 feet (6.096 m) Max.
V
+ V +
H
+ H = 40 ft. (12.192 m) Max.
H
+ H1
Maximum
+ V1
V*
H
H1
V1
**Ceiling
Firestop/Spacer
(SV4.5VF)
**When using Secure Flex, use
Firestop/Spacer SF4.5VF
**Ceiling
Firestop/Spacer
(SV4.5VF)
Support Bracket
*To Top Surface
Of Fireplace
***Wall
Firestop/Spacer
***Wall
Firestop/Spacer
***Use Firestop/Spacer SV4.5HF
or SF4.5HF when using Secure
Vent or Secure Flex respectively.
Use Firestop/Spacer SV4.5HF5
or SF4.5HF5 when using Secure
Vent or Secure Flex on horizontal
vent runs for the MPLDV35/40/45
with a center line lower than 48”
(1219 mm) above the fireplace
top wrapper surface. In all cases
the firestop/spacer provided with
the termination may be used with
the termination, frame to 5”
clearance where applicable.
HORIZONTAL VENT FIGURES/TABLES (CONTINUED)
Figure 33
-
Top Vent - THREE 90 DEGREE ELBOWS - ELBOW CONNECTION NOT DIRECTLY AT APPLIANCE
Figure 32
-
Top Vent - TWO 90 DEGREE ELBOWS - ELBOW CONNECTION NOT DIRECTLY AT APPLIANCE
See
Table 3 on page 18
as an aid in venting component selection for a particular range of exterior wall thicknesses.
See
Table 3 on page 18
as an aid in venting component selection for a particular range
of exterior wall thicknesses.
H
+ H1
Maximum V Minimum
feet feet
5(1.524) 1 (0.305)
10 (3.048) 2 (0.610)
15 (4.572) 3(0.914)
20 (6.096) 4(1.219)
V +
H
+ H1 = 40 feet (12.2 m) Max.
H
+ H1 = 20 ft. (6.096 m) Max.
TABLE D
(meters) (meters)
Square termination (SV4.5HT-2) shown.
Square termination (SV4.5HT-2) shown.
V*
H
H1
***Ceiling
Firestop/Spacer
(SV4.5VF)
***Note - When using
Secure Flex, use
Firestop/Spacer SF4.5VF
Support Bracket
*
To Top Surface Of
Fireplace
**Wall
Firestop/Spacer
**Wall
Firestop/Spacer
**Use Firestop/Spacer SV4.5HF or SF4.5HF when
using Secure Vent or Secure Flex respectively. Use
Firestop/Spacer SV4.5HF5 or SF4.5HF5 when using
Secure Vent or Secure Flex on horizontal vent runs
for the MPLDV35/40/45 with a center line lower than
48” (1219 mm) above the fireplace top wrapper
surface. In all cases the firestop/spacer provided
with the termination may be used with the
termination, frame to 5” clearance where applicable.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 21
GEAR
CLAMPS
Adapter
(SV4.5RF)
Apply ONLY MIL-PAC BLACK HIGH
TEMPERATURE SEALANT (Catalog No.
10K81) to the outside surface of both
collars of the adapter (be especially
careful to fill the grooves of the outer
collar to be covered by the flexible
pipe) and slide flexible pipe over
inner and outer adapter collars.
NOTE: OUTER PIPE IS PULLED AWAY TO
SHOW THE DETAIL OF THE INNER PIPE
FLEX VENT
1-3/4 in. (44 mm)
Flexible Pipe and
Adapter Outer
Collar Overlap 1-3/4 in. (44 mm)
Flexible Pipe and
Adapter Inner
Collar Overlap
SECURING SCREW
(3 PLACES EQUIDISTANT
JUST BELOW GEAR CLAMP)
Attach Adapter to Appliance
Collar, or Secure Vent Sections
SECURING SCREW
(3 PLACES EQUIDISTANT
JUST BELOW GEAR CLAMP)
5" (127 mm)
Radius Minimum
Flexible Vent Section
Figure 34
E. Attach Flex Vent to Termination -
Secure Flex components can be purchased
separately and attached to bulk lengths of
Secure Flex flexible tubing cut to size at the
job site. Secure the flexible vent to the Secure
Flex terminations in the same manner (see
Figure 34)
as it was attached to the adapter.
Figure 35
VERTICAL OR HORIZONTAL VENTING USING
SECURE FLEX
KITS AND COMPONENTS
Secure Flex venting kits and components may
be used in any venting application where rigid
Secure Vent (SV4.5) direct vent components
can be used. All restrictions, clearances and
allowances that pertain to the rigid piping apply
to the flexible venting.
Secure Flex
kits may
not be modified; also, under no circumstances
may separate sections of flex pipe be joined
together. Secure Flex kits may be added to the
end of a vent run made up of rigid Secure Vent
(SV4.5) vent sections provided that doing so
does not violate any of the venting length,
height, routing, horizontal to vertical ratio re-
quirements or clearance considerations de-
tailed in this manual.
Secure Flex kits come with an included adapter
that can be fitted to the appliance collar or the
inclined channel end of the last Secure Vent
(SV4.5) vent section in a rigid system in the
exact same fashion as any other Secure Vent
section. Align the dimpled end of the adapter
over the previously installed section or appli-
ance collar, adjusting the radial alignment until
the four locking dimples of the adapter are
aligned with the inlets of the four incline chan-
nels of the last vent section or collar. Push on
the adapter until it fully engages, then twist the
adapter clockwise running the dimples down
and along the incline channels until they seat at
the end of the channels.
Attach the flexible vent to the adapter as
follows
(also see Figure 34 )
:
A. Install the Inner Flex Pipe -
1. Install the small gear clamp loosely around the
inner flexible vent pipe, push it back out of the way.
2. Apply a bead of Mill-Pac Black (700°F)
high temperature sealant - Catalog No.
10K81) to the inner adapter collar, approxi-
mately 1/2 inch from the end.
3. Pull and extend the inner flexible vent pipe.
4. Slide the inner flex pipe over the adapter
collar. Ensure the flexible vent pipe completely
engages the adapter collar to a distance of 1³⁄₄
inches from the end, and that it is free from
damage or tears.
5. Slide the gear clamp down and tighten it
fully to secure the flexible vent to the adapter
inner collar approximately 3/4 inch from the
end of the flex.
6. Install three screws 120 degrees apart
through the flexible vent pipe and into the
adapter collar just below the gear clamp to
provide additional security to the connection.
B. Install the Outer Flex Pipe -
1. Install the large gear clamp loosely around
the outer flexible vent pipe, push it back out of
the way.
SV4.5HF (Secure Vent) or SF4.5HF (Secure
Flex) must be used anytime vent pipe passes
through a combustible wall. For the
MPLDV35/40/45 with a center line lower than
48" (1219 mm) above the fireplace top wrap-
per surface use SV4.5HF5 or SV4.5HF5. In all
cases the firestop/spacer provided with the
termination may be used with the termina-
tion, frame to 5" clearance where applicable.
See the appropriate sections and figures
shown throughout the venting section for
their installation requirements.
2. Apply a bead of Mill-Pac Black (700°F) high
temperature sealant - Catalog No. 10K81) to
the outer adapter collar; to the grooves of the
collar which extend approximately 1 inch from
the end and to the flat surface, approximately 1-
3/8 inches from the end.
3. Pull and extend the outer flexible vent pipe.
4. Slide the outer flex pipe over the adapter
collar. Ensure the flexible vent pipe com-
pletely engages the adapter collar to a dis-
tance of 1-3/4 inches from the end, and that
it is free from damage or tears.
5. Slide the gear clamp down and tighten it
fully to secure the flexible vent to the adapter
outer collar approximately 3/4 inch from the
end of the flex.
6. Install three screws 120 degrees apart
through the flexible vent pipe and into the
adapter collar just below the gear clamp to
provide additional security to the connection.
C. Route Flex Vent -
Ensure that the flex vent is properly routed to
provide the required clearance. Do Not allow
the flexible vent to bend in a radius tighter than
5" (127 mm). Refer to
Figure 35
. Support
horizontal sections of flex with metal straps at
2 foot (0.61 m) intervals.
D. Install Firestop/Spacers at ceilings and walls -
When Secure Flex penetrates a wall or ceil-
ing, a firestop/spacer is required: use SV4.5
(Secure Vent), SF4.5 (Secure Flex) firestop/
spacer anytime vent pipe passes through a
combustible floor or ceiling.
22 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Step 4. FIELD WIRING
Caution: Label all wires prior to disconnec-
tion when servicing controls. Wiring errors
can cause improper and dangerous opera-
tion. Verify proper operation after servicing.
Refer to Section A for millivolt appliances and
Section B for electronic appliances. The gas
valve is set in place and pre-wired at the
factory on both models.
Note:
Secure Flex
vent must be attached to
Secure Flex
terminations only. DO NOT
substitute
Secure Vent
terminations or the
Secure Vent
adapter for
Secure Flex
compo-
nents. The collars of
Secure Flex
termina-
tions and adapters have a different circum-
ference than that used with the
Secure Vent
pipe. Additionally,
Secure Flex
components
have an extended length center tube for use
in attaching the flexible vent.
A. Millivolt Wiring
(See Figure 36 )
1. Appliance-mounted ON/OFF burner control
switch (rocker switch) is factory installed be-
hind the bottom panel. Optional wall-mounted
switch, thermostat, or one of the optional
remote control kits may also be used.
2. If wall-mounted ON/OFF control or thermo-
stat is selected mount it in a convenient loca-
tion on a wall near the fireplace.
3. Wire the control switch within the millivolt
control circuit using the 15 feet of 2 conductor
wire supplied with the unit.
Note: The supplied 15 feet of 2 conductor
wire has one end of each conductor con-
nected to the gas valve circuit and the other
end of each conductor placed loose inside
the bottom compartment.
Caution: Do Not connect the optional wall
switch to a 120V power supply.
Figure 36
Figure 37
4.If an optional control switch is installed, turn
the appliance-mounted ON/OFF burner con-
trol switch to the OFF position.
B. Electronic Wiring (See
Figure 37 )
Note: The electronic appliance must be con-
nected to the main power supply.
1. Route a 3-wire 120Vac 60Hz 1ph power
supply to the appliance junction box.
2. Remove the electrical inlet cover plate from
the side of the unit by removing the plate's
securing screws.
See Figure 11 on page 9.
3. Remove the cover plate's knockout and then
feed the power supply wire through the knock-
out opening and into the unit junction box.
4. Connect the black power supply wire to the
lower outlet's red pigtail lead and the white
power supply wire to the common terminal of
the outlet as shown in
Figure 37.
5. Connect the ground supply wire to the pigtail
lead attached to outlet's green ground screw.
6. Appliance-mounted ON/OFF burner control
switch (rocker switch) is factory installed be-
hind the bottom panel.
Optional wall-mounted switch, thermostat, or
one of the optional remote control kits may
also be used. The appliance mounted ON/OFF
switch needs to be relocated onto the optional
style view door, if used.
7. If wall-mounted ON/OFF control or thermo-
stat is to be used, mount it in a convenient
location on a wall near the fireplace.
8. If an optional control is to be used, wire it in
the low voltage circuit as shown in
Figure 37.
Note: The supplied 15 feet of 2 conductor wire
has one end of each conductor connected to the
gas valve circuit and the other end of each
conductor placed loose inside the bottom com-
partment.
9. If an optional control switch is installed,
turn the appliance-mounted ON/OFF burner
control switch to the OFF position.
10. After the wiring is complete, replace the
cover plate.
Note: No batteries to be installed in the
battery holder until a power outage, or if the
appliance is to be operated solely with two
(2) "D" batteries.
TP-TH
TP
TH
APPLIANCE- MOUNTED
ON/OFF SWITCH
BK/W(1)
BK/W(1)
WALL-MOUNTED ON/OFF SWITCH (OPTIONAL)
THERMOSTAT (OPTIONAL)
WIRING DIAGRAM MILLIVOLT GAS VALVES
THERMOPILE
GAS VALVE
JUNCTION BOX
WGR
120 VAC
BK
TRANSFORMER 3V
INTERMITTENT ELECTRONIC WIRING DIAGRAM
BROWN
BROWN
BLACK
BATTERY BACK-UP
TO WALL
SWITCH OR
THERMOSTAT
BLACK (SENSOR)
BLACK (IGNITOR)
SPARK TO PILOT IGNITOR
IGNITOR MODULE
3V
RED
BK WGR
PILOT
IN
OUT
VENT
LO
HI
TH
TP
TH
TP
IN
ORANGE (THTP)
BLACK (TP)
GREEN (TH)
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 23
Figure 39
Step 5. CONNECTING GAS LINE
All codes require a shut-off valve mounted in
the supply line. The orientation of the shut-
off valve should face the front, as shown in
Figure 39
.
Figure 38
illustrates the method
for connecting the gas supply.
The flex-line method is acceptable in the U.S.,
however, Canadian requirements vary depend-
ing on locality. Installation must be in compli-
ance with local codes.
These appliances are equipped with a gas flex
line for use in connecting the unit to the gas
line. A gas flex line is provided to aid in
attaching the direct vent appliance to the gas
supply.
The gas flex line can only be used where local
codes permit. See
Figure 38
for flex line
description. The flex line is rated for both
natural and propane gas. A manual shut off
valve is also provided with the flex line.
The gas control valve is located in the lower
control compartment.
IMPORTANT: Ground supply lead must
be connected to the wire attached to the
green ground screw located on the out-
let box. See
Figure 37
. Failure to do so
will result in a potential safety hazard.
The appliance must be electrically
grounded in accordance with local codes
or, in the absence of local codes, the
National Electrical Code, ANSI/NFPA 70-
(latest edition). (In Canada, the current
CSA C22-1 Canadian Electrical Code.)
These appliances come from the factory with
the gas line access plate removed to provide
full access to the end of the gas flex line.
As designed, the glass door needs to be
opened to access the open gas access area.
Route a hard pipe from the left to a spot
directly below the access plate opening.
Bring the shutoff valve on the end of the flex
line over to the hard pipe and tighten with
wrenches from above through the firebox
opening.
If required, access the valve by removing the
lower control compartment panel (
see Figure
39
) by lifting and pulling the panel forward.
The millivolt and electronic control valve has a
3/8" (10 mm) NPT thread inlet port.
Secure all joints tightly using appropriate
tools and sealing compounds (ensure pro-
pane resistant compounds are used in pro-
pane applications).
Turn on gas supply and test for gas leaks,
using a gas leak test solution (also referred to
as bubble leak solution).
Note: Using a soapy water solution (50% dish
soap, 50% water) is an effective leak test
solution but it is not recommended, because
the soap residue that is left on the pipes/
fittings can result in corrosion over time. Never
use an open flame to check for leaks.
A. Light the appliance (refer to the lighting
instructions label in the control compartment
or in the Homeowner's Care and Operation
Instructions).
B. Brush all joints and connections with the
gas leak test solution to check for leaks. If
bubbles are formed, or gas odor is detected,
turn the gas control knob to the OFF posi-
tion. Either tighten or refasten the leaking
connection and retest as described above.
C. When the gas lines are tested and leak free,
be sure to rinse off the leak testing solution.
D. When the gas lines are tested and leak free,
observe the individual tongues of flame on the
burner. Make sure all ports are open and
producing flame evenly across the burner. If
any ports are blocked, or partially blocked,
clean out the ports.
Figure 38 -
GAS CONNECTION
Gas
Stub
1/2" x 3/8" Flare
Shut-Off Valve
3/8" Flex Tubing
3/8" NPT x 3/8"
Flare Fitting
Gas
Valve
Flex Line Connector
Piezo Ignitor
Gas Valve
Gas Line Access Plate Not Installed
At The Factory. It Is Included In
The Installation Instruction Bag.
ON/OFF
Switch
Gas
Supply
Line Shut-Off Valve
(Orientation As Shown) Air Shutter
Adjustment Arm
24 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 40
Door
Assembly
Gas Line Access Panel Bottom Panel
Burner
Assembly
Figure 42
-
Figure 41
INSTALLING THE GLASS DOOR
ELECTRONIC
Pilot
Hood
Sensor
Ignitor
MILLIVOLT
Thermocouple
Hood Ignitor Rod
3/8
" Min
(9 mm)
Thermopile
Pilot
Nozzels
Step 6. INSTALLING THE LOGS, GLOW-
ING EMBERS AND VOLCANIC STONES
Step 7. CHECKING APPLIANCE OPERATION
With gas line installed run initial system check-
out before closing up the front of the unit.
Follow the pilot lighting instructions provided
in the Homeowner's Care and Operation In-
structions. For piezo ignitor location see
Fig-
ure 39 on page 23
(millivolt appliances only).
Note: Lighting Instructions are also found on
the literature tag tied to the gas piping next to
the gas valve. To access the tag, open the
lower control compartment door (Figure 39 on
page 23 ) by pulling the panel forward.
When first lighting the appliance, it will take
a few minutes for the line to purge itself of
air. Once purging is complete, the pilot and
burner will light and operate as indicated in
the instruction manual. Subsequent lighting
of the appliance will not require such purg-
ing. Inspect the pilot flame (remove logs, if
necessary, handling carefully).
Proper log and twig placement is critical to
encourage outstanding flame appearance and
prevent sooting. These fires are designed to
provide a rich orange/red glow on the logs.
Ensure the bottom of the rear log is fully seated
and pulled as far forward as the pins will al-
low. Refer to the Log Set Placement
Supplement for detailed instructions.
Note: Log setup is by design asymmetric. The
fire is intentionally positioned off center to
provide a natural fire look.
The logs are packaged in a carton located
within the firebox. One plastic bag of glowing
embers and volcanic stones are located in the
bottom compartment. Refer to the Log Set
Placement Supplement for detailed place-
ment instructions for the logs, glowing em-
bers and volcanic stones.
Remove the gas line access plate and gasket
from the provided plastic bag and install them
over the opening, using the provided screws
(4) as shown in
Figure 39
.
Refer to
Figure 43
and loosen the set screw
for the venturi air shutter. Manually actuate
the air shutter through several cycles. Set the
air shutter to 3/32" before placing the logs.
Millivolt Appliance Checkout
The pilot flame should be steady, not lifting or
floating. Flame should be blue in color with
traces of orange at the outer edge.
The top 3/8" (10 mm) at the pilot generator
(thermopile) and the top 1/8" min (tip) of the
quick drop out thermocouple should be en-
gulfed in the pilot flame.
The flame should project 1" (25 mm) beyond
the hood at all three ports
(Figure 40 ).
Re-
place logs if removed for pilot inspection.
To light the burner; turn ON the remote wall
switch and rotate the gas valve control knob
counterclockwise to the ON position (ON
will be at the bottom side of the valve).
WARNING: HANDLE THIS GLASS WITH
EXTREME CARE! THE GLASS PANEL IS
SUSCEPTIBLE TO DAMAGE — DO NOT
SCRATCH WHILE HANDLING OR WHILE
RE-INSTALLING THE GLASS DOOR
FRAME.
Step 8. INSTALLING THE GLASS DOOR
AND OPTIONAL HOOD
To access the glass door securing latches,
first open the lower control compartment
door (
Figure 42
) by lifting and pulling the
bottom panel forward.
Retrieve the glass door. Visually inspect the
gasket on the backside of the frame. Gasket
surface must be clean, free of irregularities and
seated firmly.
Position the door in front of the firebox opening
with the bottom of the door held away from the
fireplace
(Figure 42 )
. Hook the top flange of
the door frame over the top of the firebox frame.
Let the bottom of the door frame swing gently
in towards the fireplace ensuring that the gas-
ket seats evenly as the door frame draws shut.
Fasten the two latches located underneath the
firebox floor to the door's vee-flange. Close
both the latches securely.
If desired, install the optional hood. Note the
location of the three clips inside the top air
channel above the door. The clips are equally
spaced on the top surface of the air channel
opening. Use a screwdriver to open the clips
slightly if needed. Engage the back edge of the
eyebrow into the clips to secure.
Electronic Appliance Checkout
To light the burner, turn ON the unit mounted
On/Off switch or the optional remote wall
switch. Ensure the ignitor lights the pilot. The
pilot flame should engulf the flame rod as
shown in
Figure 41
.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 25
Figure 43
Figure 44
Burner Adjustment
Step 9. BURNER ADJUSTMENTS
Flame Appearance and sooting
Proper flame appearance is a matter of taste.
Generally, most people prefer the warm glow of
a yellow to orange flame. Appliances operated
with air shutter openings that are too large will
exhibit flames that are blue and transparent.
These weak, blue and transparent flames are
termed anemic. If the air shutter opening is too
small sooting may develop.
Sooting is indicated by black puffs developing
at the tips of very long orange flames. Sooting
results in black deposits forming on the logs,
appliance inside surfaces and on exterior sur-
faces adjacent to the vent termination. Sooting
is caused by incomplete combustion in the
flames and lack of combustion air entering the
air shutter opening. To achieve a warm yellow
to orange flame with an orange body that does
not soot, the shutter opening must be adjusted
between these two extremes.
No smoke or soot should be present. These
logs are designed to be involved in the fire.
Flames will impinge the top tips of the right and
left logs.
If the logs are properly positioned and sooting
conditions exist, the air shutter opening on the
main burner tube should be adjusted. Normally,
the more offsets in the vent system, the greater
the need for the air shutter to be opened further.
To adjust the flame, rotate the lever arm up or
down (rod located in the lower control area).
Position the air shutter to the factory setting as
shown in the table in
Figure 43
. Allow the
burner to operate for at least 20 minutes.
WARNING: AIR SHUTTER ADJUST-
MENT SHOULD ONLY BE PER-
FORMED BY A QUALIFIED PROFES-
SIONAL SERVICE TECHNICIAN.
IMPORTANT: ENSURE THAT THE FRONT
GLASS PANEL IS IN PLACE AND SEALED
DURING ADJUSTMENT.
CAUTION: THE AIR SHUTTER DOOR
AND NEARBY APPLIANCE SURFACES
ARE HOT. EXERCISE CAUTION TO
AVOID INJURY WHILE ADJUSTING
FLAME APPEARANCE.
FINISHING REQUIREMENTS
Wall Details
Complete finished interior wall. To install the
appliance facing flush with the finished wall,
position framework to accommodate the thick-
ness of the finished wall (
Figure 44
)
CAUTION: DO NOT BEND THE AIR SHUTTER
ROD. MAKE SURE THE AIR SHUTTER MOVES
WHEN THE LEVER ARM IS OPERATED.
Note: When first operating the air shutter
adjustment lever arm observe the air shutter.
If it is not moving, open the glass, ensure the
air shutter screw is loose and adjust by hand
through a couple of cycles, to break the adhe-
sion of paint, if required. Close door and
adjust with the lever as needed.
Observe the flame continuously. If it appears
weak or sooty as previously described, adjust
the air shutter by rotating the adjustment arm
up or down (
refer to Figure 39
) until the flame
appearance is as desired.
The adjustment rod and associated adjustable
air shutter is patented technology. Flame ad-
justments can be made quickly and accurately
to taste without the need of disassembling the
appliance and waiting for 30 minutes after
each adjustment.
Propane models may exhibit a flame pattern
that may candle or appear stringy. If this is
problematic or persists as the appliance is
continually operated, adjust the air shutter
closed as described in the previous paragraphs.
Operate the appliance for a period of time as the
effect diminishes, ensuring that the appliance
does not develop sooty flames.
When satisfied that the appliance operates
properly, proceed to finish the installation.
Leave the control knob in the ON position and
the remote switch OFF. Close the lower control
compartment door.
RENRUBNIAM GNITTESGNINEPORETTUHSYROTCAF
sledoM saGlarutaN )mm(sehcni saGenaporP )mm(sehcni
03VDLPM)83.2(23/3)67.4(61/3
53VDLPM)6.1(61/1)53.6(4/1
04VDLPM)53.6(4/1)5.9(8/3
54VDLPM)53.6(4/1)7.21(2/1
Venturi
Air Shutter Rod
Valve
Air
Adjustment
Arm
A hearth extension is not required with this
appliance. If a hearth extension is used, do not
block the lower control compartment door.
Any hearth extension used is for appearance
only and does not have to conform to standard
hearth extension installation requirements.
Combustible
Finished Wall
Materials
This Area Must
Remain Clear
of Combustible
Materials
Top of
Appliance
3-1/2" Min
(89 mm)
Spacer
Combustible
materials not
allowed
below this
point on
the face of the
appliance.
Optional Hood Top of Door Frame
10" Min
(254 mm)
WARNING: DO NOT OPERATE APPLI-
ANCE WITH THE GLASS FRONT RE-
MOVED, CRACKED OR BROKEN. RE-
PLACEMENT OF THE GLASS SHOULD
BE DONE BY A LICENSED OR QUALIFIED
SERVICE TECHNICIAN.
26 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
17"
14" Min. Distance To
Unprotected Side Wall
8-1/4"
45°
Combustible Materials
Allowed In Shaded
Area “Safe Zone”
12"
5"
Min. Distance
To Protected
Side Wall
Top View Of
Fireplace
Side
Wall Side
Wall
Combustible materials may project beyond the
sides of the fireplace opening as long as they
are kept within the shaded areas illustrated in
Figure 46
.
Figure 46
INSTALLATION ACCESSORIES
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21-PMFS
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Se
a
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nt
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**May be used with 30" and 35" models only.
12 (305) MANTEL
10 (254) MANTEL
8 (203) MANTEL
6 (152) MANTEL
4 (102) MANTEL
18
(457)
14
(356) 12
(305) 2 (51) MANTEL
TOP OF
APPLIANCE
8
(203)
10
(254)
MANTEL CLEARANCES
Inches (mm)
16
(406)
Figure 45
COLD CLIMATE INSULATION
For cold climate installations, seal all cracks around your appliance with noncombustible material and wherever cold air could enter the room. It is
especially important to insulate outside chase cavity between studs and under floor on which appliance rests, if floor is above ground level. Gas line
holes and other openings should be caulked or stuffed with unfaced fiberglass insulation. In cold climates, if the fireplace is being installed on a cement
slab, a sheet of plywood or other raised platform can be placed underneath to prevent conducting cold up into the room. It also helps to sheetrock
inside surfaces and tape for maximum air tightness and caulk firestops.
Note: Combustible wall finish materials and/or surround materials must not be allowed to be placed in direct contact with the area defined
by the appliance front face (black sheet metal). Never allow combustible materials to overlap the appliance front face. See Figure 44
on page 25. Combustible mantle materials may be placed in front of non-combustible facing materials, as shown in Figure 45.
Non-combustible materials, such as surrounds and other appliance trim, may be installed on the appliance front face with these exceptions: they must
not cover any portion of the glass or hood; they may cover any portion of the top radiant panel or the air gaps surrounding the top radiant panel up
to the installed hood.
Vertical installation clearances to combustible mantels vary according to the depth of the mantel. See
Figure 45
. 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 hood.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 27
INSTALLATION ACCESSORIES CONTINUED
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98L7742TIKFS.ni42htiw.mreTerauqSxelF xelFdesserpmoc*fo)mm016(
09L7763TIKFS.ni63htiw.mreTerauqSxelF xelFdesserpmoc*fo)mm419(
19L7784TIKFS.ni84htiw.mreTerauqSxelF xelFdesserpmoc*fo)mm9121(
47L6503TVFSottalf(xelFrof.nimreTlacitreV noitces,retpadAxelFhtiw)21/6 ralloctroppusfoor,tnevdigirfo dnagnihsalffoor,ylbmessa .rallocmrots
57L6554TVFSot21/6(xelFrof.nimreTlacitreV noitcesretpadAxelFhtiw)21/21 ralloctroppusfoor,tnevdigirfo dnagnihsalffoor,ylbmessa .rallocmrots
01L0681-FSxelFdesserpmoc*)m94.5(.tf81
30K8921-FSxelFdesserpmoc*)m66.3(.tf21
*All compressed flex vents can be expanded up to two times.
**May be used with 30" and 35" models only.
.oN.taC.oNledoMnoitpircseD
.retpadaxelfdnaspmalcraeg,recaps/potserifedulcnistiknoitanimretesehT
90L49**SSTH-FSerauqSllamSlatnoziroH xelFtuohtiwnoitanimreT
40L49**SS21TIKFShtiw.mreTerauqSllamSxelF fomm503(.ni21 xelFdesserpmoc*
50L49**SS81TIKFShtiw.mreTerauqSllamSxelF fo)mm754(.ni81 xelFdesserpmoc*
60L49**SS42TIKFShtiw.mreTerauqSllamSxelF fo)mm016(.ni42 xelFdesserpmoc*
70L49**SS63TIKFShtiw.mreTerauqSllamSxelF fo)mm419(.ni63 xelFdesserpmoc*
80L49**SS84TIKFShtiw.mreTerauqSllamSxelF fo)mm9121(.ni84 xelFdesserpmoc*
.oN.taC.oNledoMnoitpircseD
8891H
5891H
7891H
6891H
0285H
33-ASTC
33-OSTC
44-OSTC
64-OSTC
KSTH5.4
,tiKduorhSpoTesahC 3x3poThcrA ,tiKduorhSpoTesahC 3x3poTnepO ,tiKduorhSpoTesahC 4x4poTnepO ,tiKduorhSpoTesahC 6x4poTnepO tiKduorhSnoitanmreT
detsiL tneVeruceS stnenopmoC
.oN.taC.oNledoMnoitpircseD
8691H2-TH5.4VSnoitanimreTerauqSlatnoziroH )08K69(recapS/potseriFhtiw )16L47(retpadAdna
2512H1-VGC5.4VSnoitanimreTlacitreV
7864H 6174H 7174H
STC5.4VS B-STC5.4VS CT-STC5.4VS
erauqS.mreTpoTesahC klB,erauqS.mreTpoTesahC noitanimreTattoCarreT
07L776L5.4VSnoitceStneV)mm251(hcni6
17L7721L5.4VS tneV)mm503(hcni21 noitceS
27L7742L5.4VS tneV)mm016(hcni42 noitceS
37L7763L5.4VS tneV)mm419(hcni63 noitceS
47L7784L5.4VS tneV)mm9121(hcni84 noitceS
57L77AL5.4VSnoitceScipocseleT
67L7754E5.4VSwoblEeergeD54
77L7709E5.4VSwoblEeergeD09
.rallocmrotsahtiwdegakcapemocsgnihsalfgniwollofehT 87L77F5.4VSgnihsalFfooRtalF
97L77AF5.4VSgnihsalF.tsujdA21/7ot21/1
08L77BF5.4VSgnihsalF.tsujdA21/21ot21/7
18L776CS5.4VS)xob/sralloc6(sralloCmrotS
3816H5FH5.4VSlatnoziroHrecapS/potseriF )gnicaps1-1-5(
4816H5FH5.4FSlatnoziroHxelFrecapS/potseriF )gnicaps1-1-5(
7422HFV5.4VSkcaP01-recapS/potseriF )gnicaps1-1-1(lacitreV
39K69US5.4VSpartStroppuS
49K69ASR5.4VSdleihSnoitalusnIcittA
29K69PS5.4VSetalPtroppuS
20L785.4VS SGH drauGnoitanimreT
30L99 20L99 63KRH5.4VS 41KRH5.4VS "63tiKresiRlatnoziroH "41tiKresiRlatnoziroH
28 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 47
Burner Assembly
Gas Valve
Assembly
Orifice
Air Adjustment
Arm
In Canada:
THE CONVERSION SHALL BE CARRIED OUT
IN ACCORDANCE WITH THE REQUIREMENTS
OF THE PROVINCIAL AUTHORITIES HAVING
JURISDICTION AND IN ACCORDANCE WITH
THE REQUIREMENTS OF THE CAN1-B149.1
AND .2 INSTALLATION CODE.
LA CONVERSION DEVRA ÊTRE EFFECTUÉE
CONFORMÉMENT AUX RECOMMANDATIONS
DES AUTORITÉS PROVINCIALES AYANT
JURIDICTION ET CONFORMÉMENT AUX
EXIGENCES DU CODE D'INSTALLATION CAN1-
B149.1 ET.2.
Gas conversion kits are available to adapt your
appliance from the use of one type of gas to the
use of another. These kits contain all the neces-
sary components needed to complete the task
including labeling that must be affixed to en-
sure safe operation.
Kit part numbers are listed here and the following
steps detail the conversion procedure.
Step 1. Turn off the gas supply to the appliance.
Step 2. Carefully remove the logs. Exercise
care so as not to break the logs.
Step 3. Refer to
Figure 47
.
Remove the burner assembly with attached
venturi tube.
GAS CONVERSION KITS
WARNING: THIS CONVERSION KIT SHALL BE
INSTALLED BY A QUALIFIED SERVICE AGENCY IN
ACCORDANCE WITH THE MANUFACTURER'S IN-
STRUCTIONS AND ALL APPLICABLE CODES AND
REQUIREMENTS OF THE AUTHORIZED HAVING
JURISDICTION. IF THE INFORMATION IN THESE
INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A
FIRE, EXPLOSION OR PRODUCTION OF CARBON
MONOXIDE MAY RESULT CAUSING PROPERTY
DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
THE INSTALLATION IS NOT PROPER AND COM-
PLETE UNTIL THE OPERATION OF THE CONVERTED
APPLIANCE IS CHECKED AS SPECIFIED IN THE
OWNER INSTRUCTIONS SUPPLIED WITH THE KIT.
THE QUALIFIED SERVICE AGENCY PERFORMING
THIS INSTALLATION ASSUMES RESPONSIBILITY
FOR THIS CONVERSION.
AVERTISSEMENT: CET ÉQUIPEMENT DE CONVERSION
SERA INSTALLÉ PAR UNE AGENCE QUALIFIÉE DE SERVICE
CONFORMÉMENT AUX INSTRUCTIONS DU FABRICANT ET
TOUTES EXIGENCES ET CODES APPLICABLES DE
L'AUTORISÉS AVOIR LA JURIDICTION. SI L'INFORMATION
DANS CETTE INSTRUCTION N'EST PAS SUIVIE
EXACTEMENT, UN FEU, EXPLOSION OU PRODUCTION DE
PROTOXYDE DE CARBONE PEUT RÉSULTER LE DOMMAGES
CAUSER DE PROPRIÉTÉ, PERTE OU BLESSURE
PERSONNELLE DE VIE. L'AGENCE QUALIFIÉE DE SERVICE
EST ESPONSABLE DE L'INSTALLATION PROPRE DE CET
ÉQUIPMENT. L'INSTALLATION N'EST PAS PROPRE ET
COMPLÉTE JUSQU'À L'OPÉRATION DE L'APPAREIL
CONVERTI EST CHÉQUE SUIVANT LES CRITÈRES ÉTABLIS
DANS LES INSTRUCTIONS DE PROPRIÉTAIRE
PROVISIONNÉES AVEC L'ÉQUIPEMENT.
tiKnoisrevnoCsaGlarutaNotenaporP
.oNledoMepyTtinU.oNgolataC
03VDLPMtlovillim5616H
53VDLPMtlovillim8696H
04VDLPMtlovillim95L58
54VDLPMtlovillim26L58
03VDLPMcinortcele0716H
53VDLPMcinortcele4796H
04VDLPMcinortcele2716H
54VDLPMcinortcele3716H
Millivolt Appliances
Step 4. SIT Systems - Refer to
Figure 48 on
page 29
and the instructions provided with
the kit. Using a Torx T20, remove and discard
the three pressure regulator mounting screws.
Remove the pressure regulator, spring, pop-
pet, diaphragm and bushing. Discard all
removed components.
Ensure the rubber gasket installed on the back
of the replacement pressure regulator is prop-
erly positioned and install the new pressure
regulator using the new screws supplied with
the kit. Tighten screws to 25 In. lb. torque.
tiKnoisrevnoCsaGenaporPoTlarutaN
.oNsledoMepyTtinU.oNgolataC
03VDLPMtlovillim3616H
53VDLPMtlovillim5796H
04VDLPMtlovillim7716H
54VDLPMtlovillim96L58
03VDLPMcinortcele6616H
53VDLPMcinortcele3796H
04VDLPMcinortcele8616H
54VDLPMcionrtcele9616H
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 29
Pressure
Regulator
Remove
These
Components
Pilot
Orifice
Figure 51
Figure 50
Figure 52
Figure 49
Figure 48
Note: If the ignitor is damaged, a replacement
kit is available, order Catalog Number 87L54.
Electronic Appliances
Step 7. Dexen Electronic Valves -
See
Figure 50
and the instructions provided
with the kit. Remove and discard the two
pressure regulator mounting screws. Re-
move the pressure regulator and diaphragm.
Discard all removed components. Ensure the
provided diaphragm is installed properly onto
the replacement pressure regulator and install
the new pressure regulator using the new
screws supplied with the kit. Tighten screws.
See
Figure 51
and replace the pilot orifice
as follows: Remove pilot hood assembly to
access the phillipped pilot orifice. Remove
and replace the orifice with the one pro-
vided with the kit. Exercise extreme care
to prevent damage to or breakage of the
ignitor assembly.
Step 9. Reassemble the remaining compo-
nents by reversing the procedures outlined in
the preceding steps. Use pipe joint compound
or Teflon tape on all pipe fittings before install-
ing (ensure propane resistant compounds are
used in propane applications, do not use pipe
joint compounds on flare fittings).
Step 10. Attach the conversion label provided
in the conversion kit to the rating plate on the
appliance.
Step 11. Turn on gas supply and test for gas
leaks.
All Models
Step 8. (Refer to
Figure 47 on page 28
)
A. Remove the orifice from the manifold and
replace it with the one provided in the kit. See
the following table for orifice sizes for natural
and propane models
. Figure 52
illustrates the
orifice.
B. Retrieve the burner and slide the venturi tube
over the orifice. Set the shutter adjusting
opening as shown in
Figure 43
, page 25.
Step 5. Attach manometer to the manifold
side pressure test fitting and verify manifold
pressure reads 3.5 inches water column (0.87
kPa) for natural gas, and 10.0 inches water
column (2.49 kPa) for propane gas.
Step 6. Refer to
Figure 49
and remove the
pilot hood assembly to access the hexed pilot
orifice. Remove and replace the orifice with
the one provided with the kit.
ELECTRONIC
Pilot
Hood
Sensor
Ignitor
.oNledoM ezisecifirO
larutaNenaporP
03-VDLPM"070.0 16# )"930.0(
53-VDLPM 54# )"280.0( "840.0
04-VDLPM 14# )"640.0( 45# )"550.0(
54-VDLPM 04# )"890.0( 35# )"595.0(
Pilot Stage
Terminal Pressure-Tap
(Inlet) Pilot Gas
Outlet
Supply
Gas Inlet
Pressure-Tap
(Manifold)
Burner Stage
Terminal
Ground
(TP)
PILOT
OUT
VENT
LO
TH
TP
TH
TP
HI
IN
IN
Gas Outlet
To Burner
Regulator
Mounting Screw
30 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
NOTE: THIS PAGE INTENTIONALLY LEFT BLANK.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 31
NOTE: THIS PAGE INTENTIONALLY LEFT BLANK.
32 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Printed in U.S.A. © 2007 by Lennox Hearth Products
P/N 850,043M REV. E 06/2008
Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products.
Consult your local distributor for fireplace code information.
1110 West Taft Avenue • Orange, CA 92865

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