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Select Vent-Free Firebox Framing Dimensions (in inches)

"A"

"B"

"C"

Model

Framing Height

Framing Width

Framing Depth

VFS32FB

41 1/2"

35"

23"

VFS36FB

41 1/2"

40"

23"

VFS42FB

41 1/2"

44"

23"

Attention:

 Add 3-3/4" to "A" Dimension when using flush mantel base.

Framing dimension A includes a three inch clearance for standoffs on firebox.

any vent-free gas Log Heater must be “For use with approved 

anSi Z21.11.2 unvented room heater.”
Follow and complete the installation instructions of the gas log set 

and the requirements of this firebox.
Check all fittings for leaks before lighting the gas log set.
In  planning  the  installation  for  the  firebox,  it  is  necessary  to 

determine where the unit is to be installed and whether optional 

accessories are desired. gas supply piping should also be planned 

at this time.

A gas shut off must be in this line.

The firebox can be mounted on any of these surfaces:

1.  A flat hard combustible or non-combustible surface.

2.  a  raised  platform  of  combustible  or  non-combustible 

material.

3.  Recessed into the floor as illustrated by

 Figure 4

.

4.  Supported under all (4) corners of the firebox so that contact 

is made on all four perimeter edges on the bottom of the unit 

(Example: Four (4) concrete masonry blocks).

if  the  firebox  is  installed  directly  on  carpeting,  tile  or  other 

combustible material other than wood flooring, it should be installed 

on a metal or wood panel extending the full width and depth of 

the unit.
at this point, you should have decided what components to include 

in your installation, and where the firebox is to be located. If this 

has not been done, stop and consult your dealer for assistance with 

this planning.

planning your Installation

accessory kits such as the FBB5 Blower kit, trim kits, Mantles, 

Full cabinet Mantels, plus other Decorative Frame, Hood, and 

Door accessory kits may be installed after the firebox is secured 

to the framed opening.

Refer  to  the  instructions  provided  with  each  of  the  optional 

accessory kits for proper installation and operation.

Firebox Framing

Firebox  framing  can  be  built  before  or  after  the  firebox  is  set 

in  place.  Framing  should  be  positioned  to  accommodate  wall 

covering and firebox facing material. The firebox framing should 

be constructed of 2 x 4 lumber or heavier. the framing headers may 

rest on the top of the firebox standoffs. Refer to 

Figures 5 and 6

 

for firebox framing dimensions.

LOUVERED

FIREBOX

MODELS

COMBUSTIBLE MATERIALS ALLOWED

Figure 4

Figure 5

FiREBoX inStaLLation inStRUctionS

Summary of Contents for FS36FB3EF-3

Page 1: ...on consult a qualified installer service agency or the gas supplier Carefully review the instructions supplied with the decora tive type unvented room heater for the minimum fireplace size requirement DO NOT INSTALL a vent free log set IN THIS FIREBOX UNLESS THIS FIREBOX MEETS THE MINIMUM DIMENSIONS REQUIRED FOR THE INSTALLATION GAS FIRED ANSI Z21 91 Ventless Fireplace Enclosures for Gas Fired Dec...

Page 2: ...ebox Installation Instructions 5 7 Installing Hood 7 8 Gas Line Connection 8 Optional Single Speed Blower Installation Instructions 9 11 Junction Box Wiring Installation Instructions 12 Maintenance 12 Parts List 12 13 Parts View 14 How to Order Repair Parts 14 Accessories 15 16 TABLE OF CONTENTS ...

Page 3: ...f such component part or accessory Any such action may create a possible fire hazard Consult your local building codes Firebox Screen The firebox screen must be in place when the firebox is operating Instructions to Installer 1 Installer must leave instruction manual with owner after installation 2 Installer must have owner fill out and mail warranty card supplied with firebox 3 Installer should s...

Page 4: ...learance The minimum clearance between the front legs of the grate and front edge of the firebox is 2 Leave at least 36 clearance from the front of the firebox CLEARANCES 45 6 3 MAX PERPENDICULAR SIDE WALL FRONT FACE SIDE FIREBOX TOP VIEW COMBUSTIBLE MATERIALS ALLOWED IN SHADED AREAS MANTEL STANDARD HOOD 13 10 12 MAX 42 MIN CEILING TO TOP OF HOOD 11 1 2 MIN FIREBOX FACE 84 MIN CEILING TO FLOOR CEI...

Page 5: ...on all four perimeter edges on the bottom of the unit Example Four 4 concrete masonry blocks If the firebox is installed directly on carpeting tile or other combustible material other than wood flooring it should be installed on a metal or wood panel extending the full width and depth of the unit At this point you should have decided what components to include in your installation and where the fi...

Page 6: ...ed SELECT REFERENCE LETTER FLUSH VFS32 VFS36 VFS42 A 41 1 8 41 1 8 41 1 8 B 34 1 2 39 1 2 43 1 2 C 23 7 16 23 7 16 23 7 16 D 26 3 8 31 3 8 35 3 8 E 38 1 2 38 1 2 38 1 2 F 31 36 40 G 31 3 4 31 3 4 31 3 4 H 2 1 8 2 1 8 2 1 8 I 34 34 34 J 4 1 4 4 1 4 4 1 4 K 7 5 8 7 5 8 7 5 8 L 36 1 2 39 1 16 41 1 16 M 73 1 16 78 1 16 82 1 16 ...

Page 7: ...hed with each firebox or optional hood MUST be installed before the firebox is used Failure to do so may create a possible fire hazard The hood is located inside the firebox on flush face units If brass stainless steel or hammered pewter hoods are desired they can be purchased as an option Attachment is the same as the standard black hood Flush Face Models 1 On flush face models loosen the two scr...

Page 8: ... pressure to a maximum of 14 w c This is in addition to the regulator fitted to the log set WARNING CONNECTION DIRECTLY TO AN UNREGULATED L P TANK CAN CAUSE EXPLOSION Install only a ANSI Z21 11 2 vent free log set into this firebox Figure 10 Extended Hoods If your non combustible facing material is over 1 in thickness that will be used to finish this firebox an extended hood is available that will...

Page 9: ...tion of the wiring be performed by a qualified electrician See Figure 12 1 If installed turn OFF gas supply to firebox gas log 2 If applicable turn OFF electric supply to firebox CAUTION ALL WIRING SHOULD BE DONE BY A QUALIFIED ELECTRICIAN AND SHALL BE IN COMPLIANCE WITH ALL LOCAL CITY AND STATE BUILDING CODES BEFORE MAKING THE ELECTRI CAL CONNECTION MAKE SURE THAT MAIN POWER SUPPLY IS DISCONNECTE...

Page 10: ...minal Attach this terminal to the open terminal on the blower power cord See Figure 19 Connection B 10 Route the wires away from moving parts of the blower as sembly and retain wires together near the blower motor using the plastic purse clip provided 11 To complete the installation plug the power cord into the junction box receptacle at the right rear corner of the firebox outer wrap See Figure 1...

Page 11: ... a dirty blower wheel Remove fan and clean blower wheels Warning Unplugging of blower accessory will not stop the heater from cycling To turn off gas to the heater millivolt model push in gas control knob slightly and turn clockwise to OFF Do not force To turn off gas on direct ignition model turn gas line valve to OFF 1 FBB5 BLOWER ASSEMBLY COMPLETE 2 R9901 FAN CONTROL SWITCH 1 2 A B 110 VOLT AC ...

Page 12: ...urner area surrounding the logs clean by vacuuming or brushing area at least twice a year THE LOGS CAN GET VERY HOT HANDLE ONLY WHEN COOL Always turn off gas to the pilot before cleaning For relighting refer to lighting instructions located on the log set Never obstruct the flow of the combustion and ventilation air Keep the front of the firebox clear of all obstacles and materials Screens must be...

Page 13: ...9293 HEARTH LEDGE LEFT 16 R9295 R9295 R9295 R9295 HEARTH LEDGE CENTER 17 23004 23004 23004 23004 RETAINER HEARTH LEDGE ITEM VFS42FB2DF VFS42FB3DF VFS42FB2EF VFS42FB3EF DESCRIPTION 1 17247 17247 17247 17247 TOP STANDOFF 2 10554 10554 10554 10554 FRAMING BRACKET 3 17162 17162 17162 17162 JUNCTION BOX ASSEMBLY 4 R3492 R3492 R3492 R3492 Receptacle 5 R3491 R3491 R3491 R3491 COVER JUNCTION BOX 6 19945 1...

Page 14: ...m the name plate on your equipment Then determine the Part Number not the Index Number and the Description of each part from the following appropriate illustration and list Be sure to give all this information Firebox Model Number Part Description Firebox Serial Number Part Number Do not order bolts screws washers or nuts They are standard hardware items and can be purchased at any local hardware ...

Page 15: ...use with FBB5 blower SCV 1 Frame Kits Standard 3 Piece Frame Kits Black Brass Stainless Steel or Hammered Pewter Extruded Aluminum Frame Kits Black Brass Stainless Steel or Hammered Pewter Contact dealer for all available optional frame kits Standard Hood Brass hood BR Stainless Steel SS Hammered Pewter HP Contact dealer for all available optional hood accessories ACCESSORIES ...

Page 16: ...nd Stainless Steel finishes Contact dealer for all available optional frame kit accessories Decorative Frame Kits Available as optional kits in Black Brass Hammered Pew ter and Stainless Steel finishes Contact dealer for all available optional decorative door kit accessories ACCESSORIES continued EMPIRE EMPIRE Comfort Systems Empire Comfort Systems Inc 918 Freeburg Ave Belleville IL 62220 If you h...

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