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108662-01L

3

firebox front and screen become 

very  hot  when  running  heater. 

Keep children and adults away 

from hot surface to avoid burns 

or  clothing  ignition.  firebox 

will remain hot for a time after 

shutdown. allow surface to cool 

before touching.

Carefully supervise young chil

-

dren when they are in the room 

with firebox. 

You must operate this fireplace 

with  the  provided  fireplace 

screen,  hood  if  provided,  in 

place.  Make  sure  these  parts 

are  in  place  and  screens  are 

closed  before  running  firebox. 

the supplied hood may not be 

replaced with a hood which may 

be provided with a log heater.

Keep the fireplace area clear and 

free from combustible materials, 

gasoline  and  other  flammable 

vapors and liquids.

SAFETy

Continued

1.  Do not use this firebox as a wood-burning 

fireplace. Use only decorative unvented 

room heaters (log sets).

2.  Do not add extra logs or ornaments such 

as pine cones, vermiculite or rock wool. 
Using  these  added  items  can  cause 

sooting.

3.  Do not use blower accessory with model 

VFB32NC Series. Use only the provided 

hood or appropriate hood accessory. See 

Accessories

 on page 18.

4.  Vent-free gas log heaters installed in these 

fireboxes  require  fresh  air  ventilation  to 

run properly. See 

Air for Combustion and 

Ventilation,

 page 7.

5.  Do not run firebox

• where flammable liquids 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 the firebox if it has been un

-

der  water  due  to  the  shock  hazard  that 
could result with the blower accessary (if 

installed) in place.

LOCAL CODES

Install  and  use  heater  with  care.  Follow  all 

local  codes. In the absence  of local  codes, 
use the latest edition of 

The National Fuel Gas 

Code, ANSI Z223.1/NFPA 54*

. Firebox must 

be electrically grounded in accordance with 

the 

National Electrical Code, ANSI/NFPA70

 

(latest edition).
*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch Park

Quincy, MA 02269

state of massachusetts:

 The installation 

must  be  made  by  a  licensed  plumber  or 

gas  fitter  in  the  Commonwealth  of  Mas

-

sachusetts.
Sellers  of  unvented  propane  or  natural 

gas-fired supplemental room heaters shall 

provide  to  each  purchaser  a  copy  of  527 
CMR 30 upon sale of the unit.
Vent-free  gas  products  are  prohibited  for 
bedroom and bathroom installation in the 

Commonwealth of Massachusetts.

Summary of Contents for CUVF36C

Page 1: ...ance 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...

Page 2: ...etely before trying to assemble operate or service this heater Improper use of this fireplace can cause serious injury or death from burns fire explo sion electricalshockandcarbon monoxide poisoning WARNING Any change to this firebox or its controls can be dangerous WARNING Donotallowfans to blow directly into the firebox Avoidanydraftsthatalterburner flame patterns Ceiling fans can create drafts ...

Page 3: ...rly See Air for Combustion and Ventilation page 7 5 Do not run firebox where flammable liquids 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 pilo...

Page 4: ... liners this liner may develop slight cracks when exposed to heat These cracks will not affect the performance of the fireplace or vent free gas logs OUTSIDE AIR KIT ACCESSORY Fireboxes that include A in their model number can accept any AK4 series outside air kit accessory The optional AK4 air kit provides additional outdoor air to improve burner efficiency and reduce build up of condensation in ...

Page 5: ...16 65 16 33 8 6 815 16 93 4 12 1 4 19 1 2 815 16 29 16 37 16 16 11 16 21 4 19 16 29 16 81 8 2 13 16 8 5 8 8 1 8 8 1 8 10 1 2 41 4 31 2 Built In Side Nailing Flanges Square Gas Line Access Holes Electrical Access Hole 5 8 Product Specifications Right Side View Front View 32 Models Outside Air Kit Location Optional ...

Page 6: ...m 108662 01L 6 PRODUCT SPECIFICATIONS Continued 36 and 42 Models Note If only one dimension is shown the dimension is the same for both 36 and 42 mod els Firebox Top View Right Side View Outside Air Kit Location Optional ...

Page 7: ...cating 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 not be installed in a room or space unless the required vol ume of indoor combustion air is provided by the ...

Page 8: ...Direct vent draws combustion air from 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...

Page 9: ...lation 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 Ventilated Attic Outlet Air In...

Page 10: ...rial and protrudes 3 1 2 from the wall This com bustible material must be 4 from the side of the fireplace cabinet see Figure 5 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 en...

Page 11: ...Dimensions for Built in Installation Model Front Width Inside to Inside Height Depth Min 32 34 7 8 36 3 4 16 1 4 36 41 1 2 40 1 2 20 3 4 42 48 5 8 44 1 2 22 5 8 Table 1 Depth Minimum Width Inside to Inside Height Figure 7a Figure 7b Figure 7c Figure 7d NOTICE Ifyourinstallationdoes not meet the minimum clear ances shown you must do one of the following raise the mantel to an accept able height rem...

Page 12: ...op of the firebox Combustible materials should never overlap the firebox front facing WARNING Do not allow any combustiblematerialstooverlap the firebox front facing INSTALLATION Continued Figure 8 Attaching Firebox to Wall Studs Nailing Flanges Nails or Wood Screws IMPORTANT Noncombustible materials such as brick tile etc may overlap the front facing but should never cover any necessary open ings...

Page 13: ...to remove the knock out Toomuchforcemaydamage the firebrick concrete insert Figure 10 Location of Knockout for Gas Line Knockout Chisel Firebrick Side Wall Remove this Area Side View installing optional blower accessories Notice The firebox identifica tionlabel includingmodelnum ber serial number clearances etc is located in the right side screen pocket area on the front of the firebox See Figure ...

Page 14: ...allation 1 Attach the power cord to blower motor by firmly pushing two female terminals at end of power cord onto two spade terminals on blower motor see Figure 13 2 Attach green ground wire from power cord to blower housing using screw provided see Figure 13 Tighten screws securely with a phillips screwdriver 3 Place blower against lower rear wall of firebox outer wrapper with exhaust port di rec...

Page 15: ...if previ ously turned off per warning in column 1 page 14 13 Plug in blower power cord to duplex outlet see Figure 12 page 14 Figure 14 Attaching Speed Control to Firebox with Panel Louvers Control Shaft Control Knob Lock Nut Speed Control Bracket Lower Louver Firebox Face Hearth Pan Flange Screw Head and Top Hole on Bracket Lower Flange Figure 15 Location of Wiring Diagram Decal Model May Vary Fr...

Page 16: ...ing 11 Peel off backing paper and stick supplied wiring diagram decal on firebox bottom approximately 12 in from of blower see Figure 18 INSTALLATION Continued Figure 17 Connecting Rocker Switch ON OFF Rocker Switch Wire Harness Connectors Switch Terminals Black 110 115 V A C Blower Motor No 1 Black Hot Nuetral ON OFF Panel Switch Blower Motor No 2 Blower Motor No 3 Figure 18 BK3 Wiring Diagram Ha...

Page 17: ...e 20 Air Kit Handle Location Air Kit Handle Screen Pocket INSTALLING FIREPLACE HOOD AND SCREEN 1 Attach hood to firebox using screws pro vided see Figure 21 2 Insert each rod through all rings located at top of screen 3 Insert first rod into rear hole in left side of firebox Fasten rod to rear hole near center of firebox using 10 x 3 8 Phillips screw provided see Figure 22 4 Insert other rod into ...

Page 18: ...d serial numbers of your heater how heater was malfunctioning purchase date Usually we will ask you to return the part to the factory Technical Service You may have further questions about instal lation operation or troubleshooting If so contact FMI PRODUCTS LLC at 1 866 328 4537 When calling please have your model and serial numbers of your heater ready You can also visit our web site at www fmip...

Page 19: ...6 Brushed Brass LT36P 36 Platinum LT42B 42 Brushed Brass LT42P 42 Platinum Perimeter Trim PT32 32 Black PT32B 32 Brushed Brass PT32P 32 Platinum PT36 36 Black PT36B 36 Brushed Brass PT36P 36 Platinum PT42 42 Black PT42B 42 Brushed Brass PT42P 42 Platinum Face Louver Panel Kits Smooth Faced Black SP32 32 Model SP36 36 Model SP42 42 Model Stamped Louver Black SL32 32 Model SL36 36 Model SL42 42 Mode...

Page 20: ...www fmiproducts com 108662 01L 20 1 2 3 6 7 9 28 29 4 8 14 12 13 11 16 15 10 17 18 19 24 25 26 23 27 22 21 20 5 Parts Models V32 V32A V32S V32AS VFB32C VFB32AC VFB32NC VFB32ANC ...

Page 21: ... 108434 01 108434 01 Left Refractory 1 10 108430 01 108430 01 Rear Refractory 1 11 108432 01 108432 01 Right Refractory 1 12 108426 01 108426 01 Bottom Rear Refractory 1 13 108428 01 108428 01 Bottom Front Refractory 1 14 Firebox Bottom 1 15 Firebox Surround 1 16 20027 20027 Refractory Retainer 2 17 Fireplace Top Insulation 1 18 Firebox Top 1 19 108415 01 108415 01 Starter Pipe Collar 1 20 Insulat...

Page 22: ...2 13 14 15 21 24 25 23 20 19 18 16 29 30 11 31 5 28 32 10 9 6 26 22 17 PARTS Models CUVF36C V36 V36A V36S V36AS V36ASH V36H V36AH V36SH VFB36AC VFB36ANC V42 V42A V42S V42AS V42ASH V42H V42AH V42SH VFB42AC VFB42ANC VFB36NC1 VFB42NC1 VFB36C1 VFB42C1 ...

Page 23: ...10037 01 Handy Box Assembly 1 22 106642 01 106642 01 106642 01 106642 01 Air Rod Retainer 1 23 21171 21171 21171 21171 Gas Knock Out Cover 4 24 21379 21379 24460 24460 Gas Conduit 1 25 21380 21380 Gas Conduit 1 26 106703 01 106703 01 106703 01 106703 01 Air Kit Door Assembly 1 Part for A models only Not a field replaceable part PARTS This list contains replaceable parts used in your firebox When o...

Page 24: ...s 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 f...

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