Monessen Hearth Natural Vent Gas Fireplace BBV400 User manual

MODELS:
BBV400 SBV400 SBV500
B-VENT SERIES
NATURAL VENT GAS FIREPLACE
WARNINGS
IF THE INFORMATION IN THESE INSTRUCTIONS ARE
NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION
MAY RESULT CAUSING PROPERTY DAMAGE,
PERSONAL INJURY OR LOSS OF LIFE.
– Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the
fire department.
– Installation and service must be performed
by a qualified installer, service agency or the
gas supplier.
WARNING: Improper installation, adjustment,
alteration, services or maintenance can cause injury or
property damage. Refer to this manual. For assistance
or additional information consult a qualified installer,
service agency or the gas supplier.
DUE TO HIGH TEMPERATURES, THE
APPLIANCE SHOULD BE LOCATED
OUT OF TRAFFIC AND AWAY FROM
FURNITURE AND DRAPERIES.
CHILDREN AND ADULTS SHOULD
BE ALERTED TO THE HAZARDS OF
HIGH SURFACE TEMPERATURE AND
SHOULD STAY AWAY TO AVOID BURNS
OR CLOTHING IGNITION.
YOUNG CHILDREN SHOULD BE
SUPERVISED WHEN THEY ARE IN THE
SAME ROOM AS THE APPLIANCE.
CLOTHING OR OTHER FLAMMABLE
MATERIAL SHOULD NOT BE PLACED ON
OR NEAR THE APPLIANCE.
KEEP THE ROOM AREA CLEAR AND
FREE FROM COMBUSTIBLE MATERIALS,
GASOLINE, AND OTHER FLAMMABLE
VAPORS AND LIQUIDS.
READ BEFORE INSTALLING. SAVE THESE INSTRUCTIONS
INSTALLATION AND OPERATING
INSTRUCTIONS

2 62D4036
CONTENTS
Important Safety Information .......................... 3
Product Features .............................................. 5
Code Approval .................................................. 5
Pre-Installation Information
Installing Above 2000 Feet ............................ 6
Orifice Sizes, Pressures and BTUs ............... 6
Before You Install .......................................... 6
Fireplace Framing ......................................... 7
Fireplace Dimensions ................................... 8
Fireplace Location ....................................... 10
Clearances .......................................................11
Securing Fireplace to Floor or Framing ....... 12
Installation Information .................................. 13
Vent Installation .............................................. 13
Installation Precautions ............................... 13
Installation Planning .................................... 14
Outside Combustion Air Precautions and
Recommendations ................................... 16
Combustion Air Assembly ............................. 17
Fireplace Installation ...................................... 18
Check Gas Type .......................................... 18
Installing Gas Piping to Fireplace/Burner
System Location ......................................... 18
Checking Gas Pressure ................................. 20
Electrical Installation ..................................... 21
Electrical Wiring .......................................... 21
Remote Wall Mounted Switch ..................... 21
Electronic Pilot Ignition Wiring .................... 22
Final Installation ............................................. 23
Rock Wool Placement ................................. 23
Log Placement ............................................ 23
Lava Rock and Ember Placement .............. 23
Operating Instructions ................................... 24
What To Do If You Smell Gas ...................... 24
Lighting Pilot for the First Time ................... 24
Lighting Pilot ............................................... 25
Lighting Burner ............................................ 26
Lighting Electronic IGN ............................... 27
To Turn Off Gas ........................................... 27
Cleaning and Maintenance ............................ 28
Burner, Pilot and Control Compartment ...... 28
Pilot Flame .................................................. 28
Burner ......................................................... 28
Burner Flame .............................................. 28
Vent System ................................................ 29
Logs ............................................................ 29
Rock Wool .................................................. 29
Replacement Parts ......................................... 30
Firebox Components ................................... 30
Logs ............................................................ 31
Standing Pilot - Millivolt Control .................. 32
Electronic Ignition ........................................ 33
Troubleshooting ............................................. 34
Warranty ...........................................Back Cover
Thank you and congratulations on your purchase of a
Monessen Hearth Systems Fireplace.
PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS BEFORE USING THE APPLIANCE!
IMPORTANT: Read all instructions and warnings carefully before starting installation.
Failure to follow these instructions may result in a possible fire hazard and will void the warranty.

62D4036 3
4. Never install the fireplace
• in a recreational vehicle
• where curtains, furniture, clothing, or other flammable
objects are less than 42" from the front, top, or sides
of the fireplace
• in high traffic areas
• in windy or drafty areas
5. This fireplace reaches high temperatures. Keep children
and adults away from hot surfaces to avoid burns or cloth-
ing ignition. Fireplace will remain hot for a time after
shutdown. Allow surfaces to cool before touching.
6. Carefully supervise young children when they are in the
room with fireplace.
7. Do not modify fireplace under any circumstances. Any
parts removed for servicing must be replaced prior to
operating fireplace.
8. Turn fireplace off and let cool before servicing, install-
ing, or repairing. Only a qualified service person should
install, service, or repair the fireplace. Have burner system
inspected annually by a qualified service person.
9. You must keep control compartments, burners, and cir-
culating air passages clean. More frequent cleaning may
be needed due to excessive lint and dust from carpeting,
bedding material, pet hair, etc. Turn off the gas valve and
pilot light before cleaning fireplace.
10. Have venting system inspected annually by a qualified
service person. If needed, have venting system cleaned
or repaired. See Cleaning and Maintenance, page 32.
11. Keep the area around your fireplace clear of combustible
materials, gasoline, and other flammable vapor and liq-
uids. Do not run fireplace where these are used or stored.
Do not place items such as clothing or decorations on or
around fireplace.
INSTALLER
Please leave these instructions with the appliance.
OWNER
Please retain these instructions for future reference .
IMPORTANT SAFETY INFORMATION
This fireplace is a decorative gas appliance. This fireplace
must be properly installed by a qualified service person.
CARBON MONOXIDE POISONING: Early signs of
carbon monoxide poisoning are similar to the flu with head-
aches, dizziness and/or nausea. If you have these signs, the
fireplace may not have been installed properly. Get fresh air
at once! Have the fireplace inspected and serviced by a quali-
fied service person. Some people are more affected by carbon
monoxide than others. These include pregnant women, people
with heart or lung disease or anemia, those under the influence
of alcohol, and those at high altitudes.
Propane/LP gas and natural gas are both odorless. An odor-
making agent is added to each of these gases. The odor helps
you detect a gas leak. However, the odor added to these gases
can fade. Gas may be present even though no odor exists.
Make certain you read and understand all warnings. Keep
this manual for reference. It is your guide to safe and proper
operation of this fireplace.
1. This appliance is only for use with the type of gas indi-
cated on the rating plate. This appliance is not convertible
for use with other gases unless a certified kit is used.
2. For propane/LP fireplace, do not place propane/LP supply
tank(s) inside any structure. Locate propane/LP supply
tank(s) outdoors. To prevent performance problems, do not
use propane/LP fuel tank of less than 100 lbs. capacity.
3. If you smell gas
• shut off gas supply.
• do not try to light any appliance.
• do not touch any electrical switch; do not use any
phone in your building .
• immediately call your gas supplier from a neighborʼs
phone. Follow the gas supplierʼs instructions.
Continued on page 4
• Read this owner’s manual carefully and completely before trying to assemble, operate,
or service this fireplace.
• Any change to this fireplace or its controls can be dangerous.
• Improper installation or use of this fireplace can cause serious injury or death from
fire, burns, explosions, electrical shock and carbon monoxide poisoning.
WARNING

4 62D4036
IMPORTANT SAFETY INFORMATION
Continued from page 3
12. Do not use this fireplace to cook food or burn paper or
other objects.
13. Never place anything on top of fireplace.
14. Do not use any solid fuels (wood, coal, paper, cardboard,
etc.) in this fireplace. Use only the gas type indicated on
rating plate.
15. This appliance, when installed, must be electrically
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.
16. Do not obstruct the flow of combustion and ventilation
air in any way. Provide adequate clearances around
air openings into the combustion chamber along with
adequate accessibility clearance for servicing and proper
operation.
17. When the appliance is installed directly on carpeting,
tile or other combustible material other than wood floor-
ing, you must set appliance on a metal or wood panel
or hearth pad extending the full width and depth of the
appliance.
18. Do not use fireplace if any part has been exposed to or has
been under water. Immediately call a qualified service
person to arrange for replacement of the unit.
19. Do not operate fireplace if any log is broken.
20. Do not use a blower fireplace, heat exchanger fireplace,
or any other accessory not approved for use with this
fireplace.
21. The fireplace is not intended for use with a thermostat.
22. This appliance must be installed with draft hood in same
atmospheric pressure zone as the combustion air inlet to
the appliance.
22. For Massachusetts Residents Only: This product
must be installed by a licensed plumber or gas fitter when
installed within the Commonwealth of Massachusetts.
Flexline installation must not exceed 36".
IMPORTANT:
PLEASE READ THE FOLLOWING CAREFULLY
It is normal for fireplaces fabricated of steel to
give off some expansion and/or contraction noises
during the start up or cool down cycle. Similar
noises are found with your furnace heat exchanger
or car engine.
IMPORTANT:
PLEASE READ THE FOLLOWING CAREFULLY
It is not unusual for gas fireplace to give off some
odor the first time it is burned. This is due to the
manufacturing process.
Please ensure that your room is well ventilated
during burn off — open all windows.
It is recommended that you burn your fireplace for
at least ten (10) hours the first time you use it.
Never connect unit to private
(non-utility) gas wells. This gas is
commonly known as wellhead gas.
WARNING
www.nficertified.org
We suggest that our gas hearth
products be installed and
serviced by professionals who
are certified in the U.S. by the
National Fireplace Institute®
(NFI) as Gas Specialists.
Proposition 65 Warning: Fuels listed in gas, wood burning or oil fired appliances, and
the products of combustion of such fuels, contain chemicals known to the State of
California to cause cancer, birth defects and other reproductive harm.
California Health and Safety Code Sec. 25249.6
WARNING

62D4036 5
PRODUCT FEATURES AND CODE APPROVAL
Figure 1 - BBV/SBV Fireplace
• This appliance has been certified for use with either natural or propane gas. See appropriate data plates.
• This appliance is not for use with solid fuels.
• The appliance must be installed in accordance with local codes if any. If none exist use the current installation code.
ANSI Z223.1/NFPA 54 in the USA, CAN/CGA B149 in Canada.
• The appliance must be properly connected to a venting system.
• The appliance is not approved for closet or recessed installations.
PRODUCT SPECIFICATIONS
CODE APPROVAL
These appliances have been tested by CSA and found to comply with the established standards for VENTED GAS FIRE-
PLACES in the USA and Canada as follows:
LISTED VENTED GAS FIREPLACE
TESTED TO: ANSI Z21.50-2000•CSA 2.22-2000
1/2"
Nailing
Flange
5/8"
Nailing
Flange
1/2" Nailing
Flage
Gas Control
(not shown)

6 62D4036
PRE-INSTALLATION INFORMATION
INSTALLING ABOVE 2000 FEET
• In the USA, the appliance must be derated 4% for every 1,000 ft above 2,000 ft elevations.
• In Canada, these appliances are certified for altitudes of 0 – 2000 ft, and must be de-rated by 10 percent for installations
between 2000 and 4,500 ft. (derate an additional 4% for every 1,000 ft. above 4,500 ft. elevations).
ORIFICE SIZES, PRESSURES AND BTUs
NATURAL GAS PROPANE GAS
Manifold Press: (W.C.) 3.5" Manifold Press: (W.C.) 10"
Maximum Supply Pressure 10.5" Maximum Supply Pressure 13"
Minimum Supply Pressure 4.5" Minimum Supply Pressure 11"
BEFORE YOU START
Read this homeowner manual thoroughly and follow all instructions carefully. Inspect all contents for shipping damage and
immediately inform your dealer if any damage is found. Do not install any unit with damaged, incomplete, or substitute parts.
Check your packing list to verify that all listed parts have been received. You should have the following:
• Fireplace (Firebox and Burner System) • Plastic Bag (1) • Ziplock Bag 2"x3"x3"
• White Toggle Switch (1) • Volcanic Rock • Rock Wool
• Log Set • Switch Cover Plate (1)
ITEMS REQUIRED FOR INSTALLATION
Tools: Building Supplies:
• Phillips Screwdriver • Framing Materials
• Hammer • Wall Finishing Materials
• Saw and/or saber saw • Caulking Material (Noncombustible)
• Level • Fireplace Surround Material (Noncombustible)
• Measuring Tape • Piping Complying with Local Codes
• Electric Drill and Bits • Tee Joint
• Pliers • Pipe Sealant Approved for use with Propane/LPG
• Square (Resistant to Sulfur Compounds)
• Pipe Wrench
Model Number BBV400 SBV400 SBV500
Natural Propane Natural Propane Natural Propane
Max. Btu/hr Input 22,000 22,000 29,000 29,000 31,500 31,500
Min. Btu/hr Input 16,000 14,500 16,500 16,300 19,000 20,000
Burner Orifice size (as shipped) #43 #55 #41 #53 #37 #52

62D4036 7
B
A
H
G
D
F
E
A
C
1/2" or 5/8"
C
A
G
C
G
A
PRE-INSTALLATION INFORMATION
FIREPLACE FRAMING
Firebox framing can be built before or after the appliance is set in place. Construct firebox framing following Figure 2 and
the chart below for your specific installation requirements. See Figure 3 on Page 8 for firebox dimensions. The framing
headers may rest on the top of the firebox standoffs.
The firebox may be installed directly on a combustible floor or raised on a platform of an appropriate height. When the
firebox is installed directly on carpeting, tile, or other combustible material, other than wood flooring, the firebox shall be
installed on a metal or wood panel extending the full width and depth of the enclosure.
Corner Installation
Stud Location
Do not fill spaces around firebox with
insulation or other materials. This
could cause a fire.
WARNING
Figure 2 - Framing Dimensions
BBV400 SBV400 SBV500
A401/2" 401/2" 461/2"
B401/4" 401/4" 401/4"
C313/8" 2413/16" 3013/16"
D161/8" 131/2" 161/2"
E611/4" 677/8" 737/8"
F305/8" 34" 37"
G141/2" 211/2" 211/2"
H433/8" 48" 521/4"
Inside Chase Installation
Recessed Installation

8 62D4036
313/8"
4"
B-Vent
6"
34"
1/2" or 5/8"
Drywall Spacers
14"
8"
211/2"
95/8"
Air Kit
23/16"
1/2" or 5/8"
Drywall
Spacers
71/4"
Electrical/
Gas Access
141/2"
Framing
Dimension
D
Framing Dimension
B
C
TOP VIEW
FRONT VIEW SIDE VIEW
40"
163/4"
401/4"
Framing
Dimension
PRE-INSTALLATION INFORMATION
Figure 3 - BBV400 Dimensions
FIREPLACE DIMENSIONS
BBV400
Center Line

62D4036 9
A
6"
B-Vent
6"
34"
1/2" or 5/8"
Drywall Spacers
21"
137/16"
211/2"
163/4"
95/8"
Air Kit
1/2" or 5/8"
Drywall
Spacers
141/4"
Electrical/
Gas Access
211/2"
Framing
Dimension
61/2"
401/4"
Framing
Dimension
D
Framing Dimension
B
C
TOP VIEW
FRONT VIEW SIDE VIEW
40"
23/16"
PRE-INSTALLATION INFORMATION
Figure 4 - SBV400 and SBV500 Dimensions
FIREPLACE DIMENSIONS
SBV400 and SBV500
SBV400 SBV500
A2413/16" 3013/16"
B36" 42"
C40" 46"
D401/2" 461/2"
Center Line
NOTE: For easier installation on SBV400
and SBV500 units, place gas supply pipe
6" to 8" inside unit. Measure from the
center of the gas knock-hole located at
the bottom of the left side.

10 62D4036
PRE-INSTALLATION INFORMATION
FIREPLACE LOCATION
Plan for the installation of your appliance. This includes determining where the unit is to be installed, the vent configuration to
be used, framing and finishing details, and whether any optional accessories (i.e. wall switch, or remote control) are desired.
Consult your local building code agency to ensure compliance with local codes, including permits and inspections.
The following factors should be taken into consideration:
• Clearance to side-wall, ceiling, woodwork, and windows. Minimum clearances to combustibles must be maintained.
• This fireplace may be installed along a wall, across a corner, or use an exterior chase.
• Location should be out of high traffic areas and away from furniture and draperies due to heat from appliance.
• Never obstruct the front opening of the fireplace.
• Do not install in the vicinity where gasoline or other flammable liquids may be stored.
• Vent pipe routing. See Venting section found in this manual for allowable venting configurations.
• These units can be installed in a bedroom. See National Fuel Gas Code ANSI Z233.1/NFPA 54 — (current edition), the
Uniform Mechanical Code — (current edition), and Local Building Codes for specific installation requirements.

62D4036 11
12"
Maximum
Depth
8" Minimum
72" Minimum
Minimum 3"
From Both
Side Walls
to Opening
Follow these instructions carefully to ensure safe installation. Failure to follow
instructions exactly can create a fire hazard.
The appliance cannot be installed on a carpet, tile or other combustible material other
than wood flooring. If installed on carpet or vinyl flooring, the appliance shall be installed
on a metal, wood or noncombustible material panel extending full width and depth of
the appliance.
WARNING
CLEARANCES
CLEARANCES TO COMBUSTIBLES
Figure 5 - Clearances

12 62D4036
The fireplace must be secured to the floor and/or to framing studs as shown in Figure 6 . Use two (2) wood screws or masonry/
concrete screws to secure fireplace to the floor. Use four (4) screws to attach fireplace to framing. The side brackets are
adjustable from 1/2" to 5/8" to accommodate different thickness of material.
SECURING FIREPLACE TO FLOOR OR FRAMING
Figure 6 - Securing Fireplace to Floor and Framing Studs
Framing
Framing
1/2" Nail
Flange
1/2" Nail
Flange
Screws
Screws
Screws
1/2" Nail
Flange
1/2" Nail
Flange
5/8" Nail
Flange
5/8" Nail
Flange

62D4036 13
Read all instructions completely and thoroughly before attempting installation. Failure
to do so could result in serious injury, property damage or loss of life. Operation of
improperly installed and maintained venting system could result in serious injury,
property damage or loss of life.
WARNING
Failure to follow these instructions will
void the warranty.
NOTICE
INSTALLATION PRECAUTIONS
Consult local building codes before beginning the installation. The installer must make sure to select the proper vent system
for installation. Before installing vent kit, the installer must read this fireplace manual and vent kit instructions.
Only a qualified installer/service person should install venting system. The installer must follow these safety rules:
• Wear gloves and safety glasses for protection.
• Use extreme caution when using ladders or when on rooftops.
• Be aware of electrical wiring locations in walls and ceilings.
The following actions will void the warranty on your venting system:
• Installation of any damaged venting component.
• Unauthorized modification of the venting system.
• Installation of any component part not manufactured or approved by Monessen Hearth Systems
• Installation other than permitted by these instructions.
FINISHING MATERIAL
NOTE: Any remote wiring (i.e. remote control and wall switch) must be done prior to final finishing to
avoid costly reconstruction.
INSTALLATION INFORMATION
Only noncombustible materials (i.e. brick, tile, slate, steel, or other materials with a UL fire rating of Zero) may be used to cover the
black surface of the appliance. A 300°F minimum adhesive may be used to attach facing materials to the black surface. If joints between
the finished wall and the fireplace surround are sealed, a 300°F minimum sealant material (General Electric RTV103 or equivalent) must
be used.
VENT INSTALLATION
Never obstruct or modify
the air inlet. This may
create a fire hazard.
WARNING

14 62D4036
B-VENT PIPE SIZING
BBV400/400BBV SBV400/400SBV SBV500/500SBV
4" 6" 6"
VENT INSTALLATION
INSTALLATION PLANNING
“B” VENT PIPE
See venting installation instructions provided by the B-Vent manufacturer.
Note: This APPLIANCE MUST BE INSTALLED using “B” vent type pipe that has been listed by a
nationally recognized testing agency.
See B-Vent Pipe Sizing chart for proper elbow offset runs.
Locate chimney center line dimension from a combustible back wall. See Figures 3 and 4, page 9.
• Minimum vertical chimney height - 8'
• Minimum height with two (2) 90° elbows - 8'
• Elbow requirements allow a maximum of two (2) 90° elbows or four (4) 45° elbows per installation.
Note: Two (2) 45° elbows = One (1) 90° elbow
• Horizontal run must never exceed 50% of the height of the vent system.

62D4036 15
Treatment of firestops and construction of the chase may vary from building type to
building type. These instructions are not substitutes for the requirements of local
building codes. You must follow all local building codes.
NOTICE
When installing in a chase, you should insulate the chase as you would the outside walls of
your home. This is especially important in cold climates. Insulation should be considered
a combustible material. Maintain proper clearances to all combustible materials.
NOTICE
VENT INSTALLATION
FIRESTOP INSTALLATION
To position firestop see Figures 9 and 10. Only one (1) firestop required per frame.
NOTE: A firestop is not required at the roof.
Figure 9 - Installing Firestop In Attic Figure 10 - Installing Firestop In Ceiling
Nails
Firestop
Spacer
Joist
Nails
Firestop
Spacer
Joist

16 62D4036
8' Maximum
OUTSIDE COMBUSTION AIR PRECAUTIONS AND RECOMMENDATIONS
Note: The use of outside air for combustion
is optional unless required by building
codes. It is only necessary to supply
outside combustion air to one side of
fireplace. Use model OAC4 combustion
air kit (see page 17).
1. Avoid extremely long runs and numerous
turns in duct leading from fireplace to combus-
tion air assembly. These conditions increase
the resistance to free flow of air through duct.
See Figures 11 and 12.
2. Locate combustion air assembly at an exterior
location. Make sure the location cannot be
accidentally blocked. Locate assembly above
snow line to prevent snow from blocking
assembly.
3. Never mount combustion air inlet assembly
in garage or storage area where combus-
tible fumes (gasoline) might be drawn into
fireplace.
4. Combustion air may be drawn from crawl
space under house when adequate supply
of air is provided by open ventilation. See
Figure 11.
Note: Never take combustion air from attic
space or garage space.
Note: Install outside combustion air ONLY
ON LEFT-HAND SIDE of fireplace.
Figure 11 - Installing Unit Above Basement or Crawl Space
Figure 12 - Installing Unit on Concrete Slab with Optional
Outside Air Runs
Duct
Extended to
Miss Joist
To Outside Wall
Inlet Grill in Soffit
(Overhag)

62D4036 17
COMBUSTION AIR ASSEMBLY
MODEL OAC-4 COMBUSTION AIR ASSEMBLY
1. Remove the cover plate from the 4" outlet opening location on the left outside
of the fireplace.
2. Place starting collar (4") into hole on left side of fireplace. Fireplace shortest
side of air starting collar through fireplace outer wrap. Fasten starting collar
in place with four (4) sheet metal screws provided. See Figure 13.
Note: The air starting collar extends through the fireplace outer wrap. When the air starting collar is
securely attached, it will form a seal against the fireplace wall.
3. Cut a 6" diameter opening for model OAC-4 in the outside
wall covering where the outside vent is to be located. See
Figure 15.
4. Select and cut a piece of duct long enough to attach to the
fireplace and stick out at least 3" beyond the face of the
wall to which the OAC-4 inlet air vent will be attached.
Cut duct with a standard pocket knife. See Figure 14.
DO NOT remove the
cover if the outside air
will not be connected.
WARNING
Figure 13 - Attaching Outside Air
Starting Collar to Left Side of Fireplace
Figure 14 - Attaching Outside Duct
to Starting Collar
OAC-4
Starting
Collar
Sheet
Metal
Screws
Left Side of
Fireplace
Shorter End of Air
Starting Collar
Air Starting
Collar
Duct
Screws
Left Side of
Fireplace
Figure 15 - Combustion Air Assembly for
Model No. OAC-4
Nail
Holes
6" Diameter
Hole
Duct
Extending
3"min.
AK-4 Inlet
Air Vent
Screw
Screws
5. If using insulating duct, push the insulation back from
one end of the duct approximately 2". See Figure 15.
6. Slip the exposed end of the duct over the starting collar
on the fireplace.
7. Using the sheet metal screws provided, secure the duct
end to the collar attached to the fireplace.
8. Nail or screw the combustion air assembly to the sur-
face of the wall.
Do not use a combustible duct. Always
use UL Listed Class 0 or 1 duct
material. If necessary to splice duct,
use Model 403 duct connector to splice
duct sections.
WARNING

18 62D4036
Figure 16 - External Regulator with Vent Pointing
Down (Propane/LP Only)
Use only new black iron or steel pipe.
Internally tinned copper or copper
tubing can be used per National Fuel
Code, section 2.6.3, providing gas
meets hydrogen sulfide limits, and
where permitted by local codes. Gas
piping system must be sized to provide
minimum inlet pressure (listed on data
plate) at the maximum flow rate (BTU/
hr). Undue pressure loss will occur if
the pipe is too small.
CAUTION
For propane/LP units, never connect
fireplace directly to the propane/LP
supply. This burner system requires
an external regulator (not supplied).
Install the external regulator between
the burner system and propane/LP
supply.
CAUTION
FIREPLACE INSTALLATION
CHECK GAS TYPE
Use proper gas type for the fireplace you are installing. If you have conflicting gas type, do not install fireplace. See dealer
where you purchased the fireplace for proper fireplace according to your gas type.
INSTALLING GAS PIPING TO FIREPLACE LOCATION
A qualified installer or service person
must connect appliance to gas supply.
Follow all local codes.
WARNING
INSTALLATION ITEMS NEEDED
Before installing, make sure you have the items listed below.
• External regulator (supplied by installer) • Tee joint
• Piping (check local codes) • Pipe wrench
• Sealant (resistant to propane/LP gas)
• Test gauge connection*
• Sediment trap (optional but recomended)
• approved flexible gas line with gas connector (if allowed
by local codes — not provided)
* A CSA design-certified equipment shutoff valve with 1/8"
NPT tap is an acceptable alternative to test gauge connection.
Purchase the CSA design-certified equipment shutoff valve
from your dealer.
External
Regulator
100 gal. (min)
Propane/LP
Supply Tank
Vent
Pointing
Down
When using copper or flex connectors use only fittings
approved for gas connections. The gas control inlet is
3/8" NPT.
For propane/LP connections only, the installer must supply an external regulator. The external regulator will reduce incoming
gas pressure. You must reduce incoming gas pressure to between 11 and 13 inches of water. If you do not reduce incoming
gas pressure, burner system regulator damage could occur. Install external regulator with the vent pointing down as shown
in Figure 16. Pointing the vent down protects it from freezing rain or sleet.
External regulators may be necessary
for natural gas. One- or two-pound
systems will damage this appliance
and may cause fire hazzard.
WARNING

62D4036 19
3"Minimum
FIREPLACE INSTALLATION
A listed manual shutoff valve must be installed upstream of the appliance. Union tee and plugged 1/8" NPT pressure tapping
point should be installed upstream of the appliance. See Figure 17.
IMPORTANT: Install main gas valve (equipment shutoff valve) in an accessible location. The main gas valve is
for turning on or shutting off the gas to the fireplace.
Check your building codes for any special requirements for
locating equipment shutoff valve to fireplaces.
Apply pipe joint sealant lightly to male threads. This will
prevent excess sealant from going into pipe. Excess sealant in
pipe could result in clogged burner system valves.
A manual shutoff valve must be installed
upstream of the appliance. Union tee
and plugged 1/8" NPT pressure tapping
point should be installed upstream of
the appliance. See Figure 17.
CAUTION
Use pipe joint sealant that is resistant
to liquid petroleum (LP) gas.
CAUTION
Figure 17 - Gas Connection
Tee Joint
Pipe Nipple
Cap
Approved Flexible
Gas Line
UL/CSA Design-Certified Equipment
Shutoff Valve with 1/8" NPT Tap*
Sediment Trap/Drip Leg
Natural Gas
From Gas Meter
(5" W.C. to 10.5" W.C. Pressure)
Propane/LP
From External Regulator
(11" W.C. to 13" W.C. Pressure)
NOTE : The gas line connection may be made using 1/2" rigid tubing or an approved flex connector. Since
some municipalities have additional local codes it is always best to consult your local authorities and
the current edition of the National Fuel Gas Code ANSI.Z223.1, NFPA54. In Canada CAN/CGA-B149 (1 or
2) Installation Code.
Only persons licensed to work with
gas piping may make the necessary
gas connections to this appliance.
WARNING
We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 17. Locate sediment trap/drip
leg where it is within reach for cleaning. Install in piping system between fuel supply and burner system. Locate sediment
trap/drip leg where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them
from going into the burner system gas controls. If sediment trap/drip leg is not installed or is installed wrong, burner system
may not run properly.

20 62D4036
CHECKING GAS PRESSURE
1. Check gas type. The gas supply must be the same as
stated on the applianceʼs rating decal. If the gas supply
is different from the fireplace, STOP! Do not install
the appliance. Contact your dealer immediately.
2. To ease installation, a 30" (mm) flex line with manual
shut-off valve has been provided with on this appliance.
Install and attach 1/2" gas line onto shut-off valve.
3. After completing gas line connection, purge air from
gas line and test all gas joints from the gas meter to
the fireplace for leaks. Use a solution of 50/50 water
and soap or a gas sniffer.
4. To adjust flame height, turn HI/LO knob to HI to get
maximum pressure to burner. Turn HI/LO knob to LO
to get minimum pressure.
5. To check gas pressures at valve, turn captured screw
counter clockwise 2 or 3 turns and then place tubing to
pressure gauge over test point. Turn unit to high. See
Figure 18. After taking pressure reading, be sure and
turn captured screw clockwise firmly to reseal. Do not
over torque. Check test points for gas leaks.
Do not use open flame to check for
gas leaks.
WARNING
Figure 18 - Gas Pressure Check at Gas Valve
Pressure
Test “IN”
Pressure
Test “OUT”
HI/LO
Knob Pilot Adjustment
Screw