HEARTH PRODUCTS
KITS AND ACCESSORIES
P/N 504267M
Rev. G 03/2013
LBF SERIES BI-FOLD GLASS DOORS
INSTALLATION INSTRUCTIONS FOR LBF SERIES BI-FOLD GLASS DOORS
36LBF/LBF-BB • 38LBF/LBF-BB/LBF-BS • 42LBF/LBF-BB • 43LBF/LBF-BB/LBF-BS • 50LBF/LBF-BB
WARNING
HOT GLASS WILL CAUSE BURNS. DO NOT TOUCH
GLASS UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
• Fireplaces surfaces get EXTREMELY HOT!
• Install only when fireplace is OFF and COLD.
• The glass on the front of the fireplace reaches
EXTREMELY HIGH temperatures and can cause severe
KIT CONTENTS
• (1) Bi-fold door, left
• (1) Bi-fold door, right
• (1) Air deflector, left (36LBF and 42LBF series doors only)
• (1) Air deflector, right (36LBF and 42LBF series doors only)
• (1) Vent channel, left (50LBF series doors only)
• (1) Vent channel, right (50LBF series doors only)
• (1) Center door clip hardware kit
• (1) Warranty
burns if touched. Even after the gas is turned off, fireplace
surfaces remain extremely hot.
Figure 1: Kit Contents
• Keep children away from an operating fireplace. Closely
supervise children in any room where a fireplace is
operating to prevent contact with glass.
WARNING
This kit is to be installed by a qualified service technician or
other qualified agency in accordance with the manufacturer's
instructions and all codes and requirements of the Authority
Having Jurisdiction in the USA or Canada. If these instructions
are not followed exactly, a fire or explosion may result, causing
property damage, personal injury, or loss of life. The qualified
agency performing this work assumes responsibility for
this installation.
Table 1: Bi-Fold Glass Door Kits
Series Kit Model Finish
36LBF Series
Bi-Fold Glass
Door Kits
38LBF Series
Bi-Fold Glass
Door Kits
42LBF Series
Bi-Fold Glass
Door Kits
43LBF Series
Bi-Fold Glass
Door Kits
50LBF Series
Bi-Fold Glass
Door Kits
12M17 36LBF Black
12M19 36LBF-BS Brushed Stainless
12M20 38LBF Black
12M21 38LBF-BB Brass
12M22 38LBF-BS Brushed Stainless
H7962 42LBF Black
H7964 42LBF-BS Brushed Stainless
12M23 43LBF Black
12M24 43LBF-BB Brass
12M25 43LBF-BS Brushed Stainless
H7965 50LBF Black
H7967 50LBF-BS Brushed Stainless
REQUIRED TOOLS
• Medium Phillips screwdriver
• 3/8 in. Open-end wrench
GENERAL INFORMATION
The listed bi-fold glass door assemblies are designed for use
with Lennox Hearth Products fireplaces or appliances that
specify 36, 38, 42, 43, or 50 in. LBF series doors.
Each door assembly consists of a right and left glass panel
assembly with factory-mounted door handles. 36LBF series and
42LBF series door kits also include air deflectors. 50LBF series
door kits also include vent channels. Each kit includes a center
door clip hardware kit.
WARNING
Do not alter or modify these door assemblies, or a fireplace
malfunction or fire hazard may result.
LBF series bi-fold glass doors have been tested and listed by Intertek.
NOTE: All warnings, precautions, and instructions in the
Installation Instructions and Care and Operation manuals
provided with the appliance apply to these instructions.
Estate
NOTE: Please retain this manual for future reference.
Installer, leave these instructions with the appliance.
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.
LENNOXHEARTHPRODUCTS•LBFSERIESBI-FOLDGLASSDOORS•INSTALLATIONINSTRUCTIONS
PRE-INSTALLATION INSTRUCTIONS
Read all instructions before starting the installation.
All warnings, precautions, and instructions in the Installation
Instructions and the Care and Operation manuals provided with
the appliance apply to these instructions.
If you encounter any problems, need clarifications of these
instructions, or are not qualified to properly install this kit,
contact your local distributor or dealer.
36LBF/LBF-BS and 42LBF/LBF-BS Bi-Fold Doors
Before installing 36LBF/LBF-BS and 42LBF/LBF-BS bi-fold doors,
the deflectors and center clip must be installed on the firebox.
1. Using a Phillips screwdriver, remove the three (3) factory-
installed screws in the lower face of the firebox.
2. Position the left and right deflectors and the center clip as
shown (Figure 2), and attach them using the three screws.
Figure 2: Installation of Air Deflectors and Center Clip on
36LBF/LBF-BS and 42LBF/LBF-BS
50LBF/LBF-BS Bi-Fold Doors
Before installing 50LBF/LBF-BS bi-fold doors, the vent channels
and center clip must be installed on the firebox.
1. While holding one of the vent channel components vertically
and parallel to one side of the firebox opening, insert the top
tab into the upper door guide track between the spring clip
and the inside of the upper door guide track.
2. Align the engagement clip with the lowermost opening along
the firebox side.
3. Snap the channel into place.
4. When the vent channel is properly positioned, the holes on
each tab will align with the door pin holes at the top and
bottom of the firebox opening.
Figure 3: Installation of Vent Channels on 50LBF/LBF-BS
Upper Door Guide Track
Spring Clip
(Shown pulled
away for clarity)
Clearance Hole
Door
Vent Channel
3. Proceed to the bi-fold door installation procedures on
page 3.
Engagement Clip
(Engaged Clip)
Appliance
5. Repeat this procedure for the other vent channel component.
6. Remove the factory-installed screw in the center front of
the firebox.
7. Position the center clip and attach it using the two (2)
provided screws (Figure 4).
Figure 4: Installation of Center Clip on 50LBF/LBF-BS
8. Proceed to the bi-fold door installation procedures on
page 3.
2
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.
LENNOXHEARTHPRODUCTS•LBFSERIESBI-FOLDGLASSDOORS•INSTALLATIONINSTRUCTIONS
Roller Pin
INSTALLATION INSTRUCTIONS
1. Hold the left door panel at a slight angle to the door frame
outer edge, with the top of the door tilted toward the center
of the firebox.
2. Swing the lower outer corner of the door over the hole in
the lower frame of the firebox opening, and insert the lower
pivot pin into the hole (Figure 5 and Figure 6).
Figure 5: Lower Left Door Panel
Lower
Pivot Pin
Figure 6: Lower Left Door Panel
Lower
Frame
Pivot
Point
3. Carefully move the top edge of the door assembly until the
upper pivot pin and upper roller pin are inside the upper
guide track of the firebox frame (Figure 7).
Figure 7: Upper Left Door Panel
Pivot Pin
Lock
Roller Pin
4. Continue to carefully move the door until the upper pivot pin
slips into the upper door guide track hole and engages the
spring clip, which locks it into place (Figure 8).
Figure 8: Upper Left Door Panel
Spring Clip
Pivot Pin
Upper Door
Guide Track
Roller Pin
5. Repeat the procedure outlined in Step 1 through Step 4, to
install the right door panel.
ALIGNING THE BI-FOLD DOORS
The doors are properly aligned when the top door trim is in a
straight, level line, and the vertical gap between the doors is even
from top to bottom.
1. Grasp one door handle, and loosen the lower door pivot pin
using a 3/8 in. open-end wrench.
NOTE: The upper door pivot pins can be loosened for
adjustment purposes. However, it is easier to loosen the
lower pins.
2. Slide the door panel on the pivot pin until the gap between
the upper door trim and upper frame is even.
NOTE: A bi-fold door adjustment kit, with washers for the
bottom pivot pins—four (4) washers per kit—is included to
assist door adjustment. The washers raise a sloping door for
a more even, horizontal trim. In some cases, adding different
quantities of washers to each bottom pivot pin results in
the best results. Install one (1), two (2), or zero (0) washers
on each bottom pivot pin, as necessary, for the desired
appearance.
3. Retighten the lower door pivot pin.
4. If necessary, repeat this procedure for the opposite door.
3
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.
LENNOXHEARTHPRODUCTS•LBFSERIESBI-FOLDGLASSDOORS•INSTALLATIONINSTRUCTIONS
Fully Open or
Fully Closed
Front-Open Systems
Fully Closed
Multi-Open Systems
GENERAL OPERATING PRECAUTIONS AND INSTRUCTIONS
CAUTION
These glass doors are listed only for use with fireplaces or
appliances that specify LBF series bi-fold glass doors. Use
on any other fireplace or appliance may constitute a potential
fire hazard.
• Avoid building extremely large fires, as the tempered glass
could become damaged.
• Use fireplace tools carefully to avoid striking the glass.
• Keep wire mesh screens closed during fireplace use.
• Fireplace flue damper must remain open until fire is
completely out.
• Ensure that wood and embers are well within the confines of
the grate area and well away from the glass doors.
• Keep wire mesh screens closed during fireplace use.
• Keep glass doors closed at night when retiring to minimize
the loss of heated room air up the vent.
NOTE: The finish of these doors may be protected with a
self-adhering plastic coating that must be removed before
lighting a fire in the firebox. To prevent melting, ensure
that any plastic coating protecting the finish of these doors
is removed following installation. Refer to the fireplace
Installation Instructions and homeowner's Care and
Operation Instructions for detailed information regarding the
maintenance of the finish of these doors.
WARNING
Do not burn trash, construction scraps, railroad ties, or other
highly flammable material in the fireplace. Intense heat can
cause the glass to lose strength and resillience, that will result
in glass breakage.
WARNING
Front-open fireplaces should only be operated with the doors
fully opened or fully closed. Multi-open fireplaces must be
operated with the doors fully closed. If doors are left partially
open, flame may be drawn out of the fireplace opening, creating
fire and smoke risks.
CAUTION
Glass and metal frames get hot!
Always use the door handles to open and close the doors.
Please refer to the appliance Care and Operation Instructions
for proper operating conditions. Front-open fireplace systems
should only be operated with the glass doors fully opened or
fully closed (Figure 9). Multi-open fireplace systems must be
operated with the glass doors fully closed (Figure 9). Always use
the door handles when opening and closing the doors.
Figure 9: Front-Open and Multi-Open Fireplaces
WARNING
Safety glass is unpredictable when hot, and may break,
expelling hot glass into the room. When operating the fireplace
with the doors closed, advise others to remain well away from
the fireplace to avoid personal injury.
The bi-fold doors utilize tempered glass that is designed for use
with high temperatures but that also can shatter unexpectedly.
Tempered glass breaks into small particles when it shatters. If
the glass in the bi-fold doors does break, particles of extremely
hot glass could be discharged into the surrounding environment,
thereby creating a risk of personal injury or fire. Observe all
operating precautions and instructions to reduce the risk of
personal injury or fire.
• DO NOT SIT CLOSE TO THE GLASS.
• Extreme temperature changes can cause breakage. IF THE
DOORS ARE COLD, DO NOT BUILD A HOT FIRE AND THEN
CLOSE THE DOORS.
• A chip or scratch creates a weakness in tempered glass that
can cause the glass to break when heated. IF THE GLASS IN
THE BI-FOLD DOOR ASSEMBLY BECOMES SCRATCHED OR
CHIPPED, REPLACE THE DOOR ASSEMBLY.
CLEANING
• NEVER CLEAN THE GLASS WHEN THE DOORS ARE HOT.
• Ammonia-based cleaners will damage the finish. DO
NOT USE AMMONIA OR AMMONIA-BASED GLASS OR
HOUSEHOLD CLEANERS TO CLEAN THE GLASS OR
DOOR FRAME.
• Take care not to scratch the glass surface. DO NOT USE
ABRASIVE CLEANING PRODUCTS OR MATERIALS.
To remove dirt and grime from the doors, gently scrub with a
soft cloth dampened with water; and then wipe dry. To remove
stubborn stains from the doors, use a mild non-ammonia soap
solution and soft cloth to gently scrub away the stains. Rinse
with clear water, and then wipe dry.
Lennox Hearth Products reserves the right to make changes at any time, without notice, in design,
materials, specifications, prices and also to discontinue colors, styles, and products.
Consult your local distributor for fireplace code information.
LENNOX®, the LENNOX design, DAVE LENNOX, the image of DAVE LENNOX and other related
LENNOX marks are registered or common law trademarks of Lennox Industries Inc. and are used
with permission.
Printed in U.S.A. © 2000–2013 Lennox Hearth Products
P/N 504267M Rev. G 03/2013 1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210
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