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For more information, visit www.fmiproducts.com

 WARNING: If the information in this manual is not 

followed exactly, a fire or explosion may result causing 
property damage, personal injury or loss of life.

FoR use oNly WIth A lIsted GAs-FIRed uNveNted 
decoRAtIve Room heAteR Not to exceed 40,000 

Btu/Hr. Do not BuilD a wooD fire.

Carefully  review  the  instructions  supplied  with  the 
decorative type unvented room heater for the minimum 
fireplace size requirement.

do  Not  INstAll  AN  ApplIANce  IN  thIs  FIRebox 
uNless thIs FIRebox meets the mINImum dImeN-

sions requireD for tHe installation.

this  firebox  has  been  tested  and  approved  under ansi 
Z21.91 for use with any ansi Z21.11.2 approved gas logs.

installer:  leave  this  manual  with  the  appliance.

 

ConsuMer: retain this manual for future reference.

UNVENTED (VENT-FREE) UNIVERSAL FIREBOX

OWNER’S OPERATION AND INSTALLATION MANUAL

NON-CIRCULATINg MODELS

BV36(B), VBV36, BV42(B) AND VBV42

CIRCULATINg MODELS

BV36L(B), VBV36L, BV42L(B) AND VBV42L

PFS

®

US

Summary of Contents for BV36

Page 1: ...pe unvented room heater for the minimum fireplace size requirement Do not install an appliance in this firebox unless this firebox meets the minimum dimen sions required for the installation This firebox has been tested and approved under ANSI Z21 91 for use with any ANSI Z21 11 2 approved gas logs INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference UNVE...

Page 2: ...drafts that alter burner flame patterns Altered burner patterns can cause sooting WARNING Donotuseablow er insert heat exchanger insert orotheraccessorynotapproved for use with this firebox WARNING Improper instal lation adjustment alteration service or maintenance can causeinjuryorpropertydamage Refer to this manual for correct installation and operational procedures For assistance or additional ...

Page 3: ...ids or vapors are used or stored under dusty conditions 6 Do not use this firebox to cook food or burn paper or other objects 7 Turn firebox off and let cool before servic ing Only a qualified service person should service and repair firebox 8 Operating firebox above elevations of 4 500 feet could cause pilot outage 9 Do not use firebox if it has been under water due to shock hazard that could res...

Page 4: ...tall the firebox Before installation consider the following 1 Where the firebox will be located Allow for wall and ceiling clearances see Installa tion Clearances page 8 Product Specifications Figure 1 Firebox Dimensions Right Side View Firebox Top View Front View Outside Air Kit Location Optional Left Side View with Air Kit 2 Everything needed to complete installation 3 These models CANNOT be ins...

Page 5: ...mmunicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the un confined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them WARNING This heater shall notbeinstalledinaroomorspace unless the required volume of in door combustion air is provided by the me...

Page 6: ...om the outdoors and vents to the outdoors Example Gas water heater __________ Btu Hr Vent free heater _________ Btu Hr Total _________ Btu Hr Air For Combustion and Ventilation Continued 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used _ _________Btu Hr maximum the space can support _ _________Btu Hr actual amount of Btu Hr used Example 63 360 Btu Hr maximum...

Page 7: ...n for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermo stat controlled power vent Heated air entering the attic will activate the power vent Installation Or Remove Door into Adjoining Room Option 3 Ventilation Grills Into Adjoining Room Option 2 Ventilation Grills Into Adjoining Room Option 1 12 12 Outlet Air Ve...

Page 8: ...ce cabinet see Figure 4 B Clearances from the top of firebox opening to ceiling should not be less than 42 C When firebox is installed on carpeting or other combustible material other than wood flooring firebox should be installed on a metal or wood panel extending the full width and depth of enclosure D Clearances from bottom of firebox to the floor is 0 These fireboxes can be installed as freest...

Page 9: ...holes in nailing flange see Figure 7 page 10 6 If using an optional perimeter trim kit install the trim after final finishing and or painting of wall See instructions included with trim accessory for attaching trim 7 Install and properly test gas log heater Follow installation instructions included with the vent free gas log heater that is being installed IMPORTANT When finishing your firebox comb...

Page 10: ... Out One Hole Gas Line Hole Equipment Shutoff Valves Install One Installing Firebox USING OPTIONAL ACCESSORY MANTELS WARNING A qualified ser vicepersonmustinstallfirebox Follow all local codes This firebox may be installed using a cabinet mantel accessory against a wall in your home The firebox and cabinet mantel can be installed directly on the floor A trim kit is included with the mantel accesso...

Page 11: ...rom Illustration Screws Hood 1 2 Thick Liner Side View Firebrick Side Wall Knockout Remove This Area Using optional fiber panels There is a gas knockout in each side panel for the gas line to feed through Determine on which side the gas connection will be located Using a utility knife or cutting blade remove the identified gas knockout CAUTION Do not use ex cessive force to remove the knockout Too...

Page 12: ...ucts com 123492 01F 12 Parts Non Circulating Models BV36 b VBV36 BV42 B and VBV42 Circulating Models BV36L B VBV36L BV42L B and VBV42L 10 13 13 23 4 3 2 1 12 5 14 18 7 9 22 20 21 20 17 16 15 11 8 6 19 24 26 25 24 ...

Page 13: ...4 15 11418 Push On Nut 2 16 107127 01 Screen 2 108424 01 Screen 2 17 20806 Screen Rod 2 108780 01 Screen Rod 2 18 Side Damper Weldment 1 19 107128 01 Gas Conduit 4 20 Firebox Legs Rear 2 21 Firebox Leg Left 1 22 Firebox Leg Right 1 23 123494 01 Hood 1 123494 02 Hood 1 24 124483 01 Side Refractory 2 25 124484 01 Rear Refractory 1 124485 01 Rear Refractory 1 26 20027 Refractory Bracket 2 Not a field...

Page 14: ... part to the factory Parts Not Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call FMI PRODUCTS LLC at 1 866 328 4537 for referral information A list of authorized dealers can be found by visiting www fmiproducts com When calling FMI PRODUCTS LLC have ready model and serial numbers of your heater the replacement part number Technical Serv...

Page 15: ..._______________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________...

Page 16: ...is product and or FMI PRODUCTS LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs associated with warranty repairs unless expressly covered by this warranty are not reimbursable under this warranty and are the responsibility of the owner Excluded ...

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