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Illustrations  shown  in  this  manual  reflect “typical”  installations  with  nominal 

dimensions  and  are  for  design  and  framing  reference  only.  Actual  installations 

may vary due to individual design preferences. However, always maintain minimum 

clearances  to  combustible  materials  and  do  not  violate  any  specifi c  installation 

requirements.

GENERAL INSTALLATION INFORMATION

DO  NOT  ATTEMPT TO  BURN  SOLID WOOD  FUELS, VENTED  GAS  LOG  SETS,  OR  ANY  OTHER 
COMBUSTIBLE  IN THIS  UNVENTED  FIREBOX.  ALSO,  DO  NOT  INSTALL  A VENT-FREE  GAS  LOG  SET 
IN THIS  FIREBOX  IF THE  MINIMUM  CLEARANCE  AND  HEIGHT  REQUIREMENTS  OF THE  LOG  SET 
ARE TOO LARGE FOR THE FIREBOX.

The GSTF36, GPF36, GRCF36, and GLCF36 Series are vent-free fi reboxes. They feature a self-contained heat-circulating 
system.  These  units  also  feature  a  2-in-1  fl exible-face  system  (except  for  corner  unit)  that  converts  the  circulating 
system into a radiant system in seconds.
This  installation  manual  will  enable  you  to  obtain  a  safe,  efficient,  and  dependable  installation  of  your  vent-free 
fi replace system.
Do not alter or modify the fi rebox or its components under any circumstances. Any modifi cation or alteration of the fi rebox 
system, including but not limited to the fi rebox and accessories, may void the warranty, listings and approvals of this system 
and could result in an unsafe and potentially dangerous installation.

BEFORE YOU START: 
       CHECK YOUR PACKING LIST TO VERIFY THAT ALL LISTED PARTS HAVE BEEN RECEIVED. 
       ALSO  INSPECT THE  CONTENTS  FOR  SHIPPING  DAMAGE  AND  IMMEDIATELY  INFORM YOUR 

DEALER IF ANY DAMAGE IS FOUND.

You should have the following:
        1. Vent-Free Gas Firebox                                      4. Four (4) masonary screws
        2.  One (1) - 36" Canopy (GRCF36/GLCF36)     5. Twenty (20) sheet metal screws for canopy and other installation
             One (1) - 20" Canopy (GRCF36/GLCF36)     6. Four (4) nuts and bolts for grate
             Two (2) - 36" Canopys (GSTF36/GPF36)       7. Four (4) radiant face plates (GSTF36/GPF36 only)
        3. Installation and Operating Instructions            8 . Pull screen (GRCF36/GLCF36 units only)
                                                                                    

ITEMS REQUIRED FOR INSTALLATION   

 

 

 

 

TOOLS:                                                                                            BUILDING SUPPLIES:

Phillips screwdriver            Square                                                              Framing materials 

 

Hammer                              

Hammer

Hammer

Piping complying with local codes                 Wall fi nishing materials   

 

Saw and/or saber saw         Tee joint                                                           Caulking material 

(noncombustible)

Level                                   Pipe wrench                                                     Fireplace surround materials

 (noncombustible)

Measuring tape                   Pliers                                                                
Electric drill and bits          Pipe sealant approved for use 
                                            with propane/LPG 

(resistant to sulfur compounds)

Refer to the installation instructions provided with the log sets for items required for log set installation.

Summary of Contents for GLCF36

Page 1: ... qualified installer service agency or the gas supplier WARNING Improper installation adjustment alteration service 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 Carefully review the instructions supplied with the decorative type unvented room heater for the minimum f...

Page 2: ...LEARANCES and HEIGHT REQUIREMENTS 7 FIREPLACE FRAMING 9 FIREPLACE INSTALLATION 11 GAS LINE INSTALLATION 14 CANOPY and RADIANT PLATE INSTALLATION 15 SCREEN and OPTIONAL EQUIPMENT INSTALLATION 16 BLOWER INSTALLATION 17 GLASS REMOVAL FOR CLEANING 19 ILLUSTRATED PARTS LIST 20 WARRANTY BACK COVER CONTENTS ...

Page 3: ...ith the National Fuel Gas Code ANSI Z223 l NFPA 54 9 This unit complies with Z21 91 Ventless Firebox Enclosures for gas fired unvented decorative room heaters 10 Do not install the firebox in a bathroom or bedroom 11 Avoid any drafts that alter burner flame patterns Do not allow fans to blow directly into fireplace Do not place a blower inside burn area of firebox Ceiling fans may create drafts th...

Page 4: ...ion of the firebox system including but not limited to the firebox and accessories may void the warranty listings and approvals of this system and could result in an unsafe and potentially dangerous installation BEFORE YOU START CHECK YOUR PACKING LIST TO VERIFY THAT ALL LISTED PARTS HAVE BEEN RECEIVED ALSO INSPECT THE CONTENTS FOR SHIPPING DAMAGE AND IMMEDIATELY INFORM YOUR DEALER IF ANY DAMAGE I...

Page 5: ...uire a different sequence 1 Position firebox prior to framing or into prepared framing 2 Field wire main power supply to circulating models with fan kit Electrical connections should only be performed by an experienced licensed certified tradesman 3 Plumb gas line Gas connections should only be performed by an experienced licensed certified tradesman 4 Install vent free gas log heater per the inst...

Page 6: ...s for forced air furnaces air conditioners windows or doors Installation must provide adequate ventilation and combustion air DO NOT INSTALL THIS FIREBOX IN A BEDROOM OR BATHROOM Location should be out of high traffic or windy or drafty areas DO NOT INSTALL WHERE CURTAINS FURNITURE CLOTHING OR OTHER FLAMMABLE OBJECTS ARE LESS THAN 36 FROM FRONT OF HEATER Never obstruct the front opening of the ven...

Page 7: ...e from the inside of the appliance to any combustible adjacent wall should not be less than 27 8 Refer to Figure 3 2 Ceiling Clearance The ceiling must be at least 42 from the top of the firebox opening Refer to Figure 3 3 Back Wall Clearance The appliance may be placed against a combustible back wall 4 Parallel Wall Clearance The clearance from the opening of the firebox to any wall that is paral...

Page 8: ...installed If a combustible mantel is installed it must meet the clearance requirements detailed in Figure 5 6 Floor clearance This firebox hearth must be installed at least 61 2 above any combustible flooring material such as carpeting or asphalt tile which is closer than 14 to the base of the firebox Refer to Figure 6 Or The firebox hearth may be installed nearer to the floor if a minimum of 14 o...

Page 9: ...ed on a flat wood plywood particle board or other hard surfaces Be sure firebox rests on a solid continuous floor or platform with appropriate framing for support so that no cold air can enter room from under the firebox Note Make sure a minimum 19 is between the studs A GPF36 GRCF36 GLCF36 Peninsula Corner A 19 minimum 21 minimum B 221 2 2 231 8 C 39 39 D 38 38 FIREPLACE FRAMING Figure 8 Top View...

Page 10: ...is manual WARNING Figure 12 Top View of Framing Specifications for See Through Unit Model GSTF36 FIREPLACE FRAMING and INSTALLATION GSTF36 See Through A 19 minimum B 221 2 2 C 40 D 38 Figure 13 Framing Specifications for See Through Unit Model GSTF36 Two by Four Two by Two Gas Connection Two by Four Minimum Two by Two Minimum ...

Page 11: ... 4 Attach nailing flanges to studs See Figure 14 5 Remove two baseplates from bottom of firebox See Figure 15 6 Anchor firebox to floor with four 3 16 x11 4 screws through holes located on the bottom of the firebox See Figure 14 7 Install canopy Refer to page 15 for canopy installation FIREPLACE INSTALLATION Figure 14 Location of Nailing Flanges and Floor Screws Nailing Flange 3 16 x 11 4 4 Screws...

Page 12: ...es to 90 5 Level and plumb firebox by checking edges of firebox Shim if necessary 6 Attach nailing flanges to studs See Figure 17 7 Remove two baseplates from bottom of firebox See Figure 18 8 Anchor firebox to floor with four 3 16 x11 4 4 screws through holes located on the bottom of the firebox See Figure 17 9 Install canopy Refer to page 15 for canopy installation Figure 17 Location of Nailing ...

Page 13: ...ox in its final position and frame later 4 Bend out four 4 nailing flanges to 90 5 Level and plumb firebox by checking edges of firebox Shim if necessary 6 Attach nailing flanges to studs See Figure 20 7 Remove two baseplates from bottom of firebox See Figure 21 8 Anchor firebox to floor with four 3 16 x11 4 screws through holes located on the bottom of the firebox See Figure 20 9 Install canopy R...

Page 14: ...can be placed inside the firebox A plugged 1 8 NPT pressure taping point is recommended for service and may be incorporated to the valve assembly Bring a minimum 1 2 gas supply line through the knockout hole provided in the firebox A sediment trap may be upstream of the heater to prevent moisture and contaminants from passing through trap to the heater controls and burners Failure to do so could p...

Page 15: ...are used with a fireplace facing Close fireplace screen panel before operating decorative type unvented room heater CANOPY AND RADIANT FACE PLATES INSTALLATION Figure 22 Canopy Installation Radiant Face Plate Figure 23 Installing Radiant Face Plates Radiant Face Plate Louvers INSTALLING RADIANT FACE PLATES 1 Remove the radiant face plates from the uprights on the top of the firebox Remove packing ...

Page 16: ...EMS ONLY If you are installing the forced air kit Model BLO on the GSTF36 GPF36 GCRF36 or GCLF36 units see the installation instructions below INSTALLING PULL SCREEN FOR CORNER UNITS GRCF36 AND GLCF36 1 Slip the rings of the pull screen on the screen rod 2 Insert bent end of screen rod into hole inside the firebox as shown below 3 Align straight end of rod with hole on opposite side of firebox Sli...

Page 17: ...e blower See Figure 30 page 18 WIRING TO JUNCTION BOX NOTE The wire must be run to the junction box before framing the firebox 1 Before installing blower wire the receptacle into an electrical circuit Use minimum 60 C wire in accordance to prevailing codes 2 The junction box is preinstalled at the factory Remove external junction box cover by removing the screw from either the left or right side o...

Page 18: ... AND BTS 1 Removeaccesscoveronthefloorofthefirebox 2 Removeplasticplugfromaccesscover SeeFigure27 Removeplasticplugfromaccesscover SeeFigure27 Removeplasticplugfromaccesscover 3 Removetheknobfromthestemofthevariablespeedcontrol See Figure 27 4 Alignthestemofspeedcontroltolargestholeontheaccesscoverof the firebox Attach speed control with two 6 32 screws provided See Figure 27 Figure 27 Installing ...

Page 19: ...Glass Figure 28 Removing Glass When Cleaning Glass Do not remove the glass when hot Allow glass to cool before removal Never use abrasive cleaning materials on glass Keep children and pets at safe distance away Never operate fireplace if glass is broken Replace any glass that is chipped cracked or broken Replacement glass frame assemblies MUST be supplied by the fireplace manufacturer Do not subst...

Page 20: ...20 43D0121 ILLUSTRATED PARTS LIST ...

Page 21: ...ver 20 6 43D0117 43D0117 7 Radiant Front 36 4 26D0576 26D0576 8 Radiant Front 20 2 43D0119 9 Weathered Brick 21 2 43D0086 9 Weathered Brick 21 1 43D0086 9 Weathered Brick 35 1 43D0085 10 Frame Glass Kit 1 43D0093K 11 Nailing Flange Kit 1 43D0032K 43D0032K 43D0032K ACCESSORIES 1 Brass Canopy 2 BRCU36 BRCU36 1 Brass Canopy 1 BRCU36 5 Brass Louver 36 2 L36BR L36BR 5 Brass Louver 36 1 L36BR 5 Chrome L...

Page 22: ...22 43D0121 NOTES ...

Page 23: ...43D0121 23 NOTES ...

Page 24: ...n accordance with the installation instructions The Limited Lifetime Warranty will also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assembly damage by accident neglect misuse abuse alteration negligence of others including the installation thereof by unqualified installers 2 the ...

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