HEARTH PRODUCTS
KITS AND ACCESSORIES
P/N 504267M
Rev. F, 09/2010
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
THIS KIT IS TO BE INSTALLED BY A QUALI FIED
SERVICE TECHNICIAN OR OTHER QUALIFIED AGENCY
IN ACCORDANCE WITH THE MANUFAC TURER’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.
WARNING
HOT FIREPLACES WILL CAUSE SEVERE BURNS.
DO NOT TOUCH GLASS, METAL FRAME OR SCREEN
UNTIL COOLED. NEVER ALLOW CHILDREN TO TOUCH
THESE AREAS.
KITS
Kit Model Finish
36LBF Series Bi-Fold Glass Door Kits
12M17 36LBF Black
12M19 36LBF-BS Brushed Stainless
38LBF Series Bi-Fold Glass Door Kits
12M20 38LBF Black
12M21 38LBF-BB Brass
12M22 38LBF-BS Brushed Stainless
42LBF Series Bi-Fold Glass Door Kits
H7962 42LBF Black
H7964 42LBF-BS Brushed Stainless
43LBF Series Bi-Fold Glass Door Kits
12M23 43LBF Black
12M24 43LBF-BB Brass
12M25 43LBF-BS Brushed Stainless
50LBF Series Bi-Fold Glass Door Kits
H7965 50LBF Black
H7967 50LBF-BS Brushed Stainless
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
Figure 1
GENERAL INFORMATION
The bi-fold glass door assemblies listed in this Instruction Sheet are
designed for use with Lennox Hearth Products fireplaces or appliances
that specify 36", 38", 42", 43", or 50" 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 also includes a center door clip hardware kit.
DO NOT ALTER OR MODIFY THESE DOOR ASSEMBLIES, OR A FIREPLACE
MALFUNCTION OR FIRE HAZARD MAY RESULT.
The LBF Series bi-fold glass doors have been tested and listed by Intertek.
PLEASE RETAIN THIS MANUAL FOR FUTURE REFERENCE.
ALL WARNINGS, PRECAUTIONS, AND INSTRUCTIONS IN THE
INSTALLATION INSTRUCTIONS AND CARE AND OPERATION MANUALS
PROVIDED WITH THE APPLIANCE APPLY TO THESE INSTRUCTIONS.
KIT CONTENTS
(Letters in brackets refer to Figure 2.)
• 1 ea. Bi-Fold Door, Left [A]
• 1 ea. Bi-Fold Door, Right [A]
• 1 ea. Air Deector, Left [B]
(36LBF and 42LBF Series doors only)
• 1 ea. Air Deector, Right [B]
(36LBF and 42LBF Series doors only)
• 1 ea. Vent Channel, Left [C]
(50LBF Series doors only)
• 1 ea. Vent Channel, Right [C]
(50LBF Series doors only)
• 1 ea. Center Door Clip Hardware Kit [D]
• 1 ea. Warranty
[A] Left/Right Bi-Fold Doors
[B] Left/Right Air Deflectors
(36/42LBF Series only)
[C] Left/Right Vent Channels
(50LBF Series only)
TOOLS NEEDED
• Medium Phillips Screwdriver
• 3/8" Open-end Wrench
[D] Center Door Clip and
Hardware
Figure 2
LENNOX HEARTH PRODUCTS • LBF SERIES BI-FOLD GLASS DOORS • INSTALLATION INSTRUCTIONS
NOTE:
READ ALL THE STEPS BEFORE STARTING THE INSTALLATION.
INSTALLER NOTICE: THESE INSTRUCTIONS MUST BE LEFT WITH
THE APPLIANCE.
ALL WARNINGS, PRECAUTIONS AND INSTRUCTIONS IN THE
NSTALLATION INSTRUCTIONS AND CARE AND OPERATION
MANUALS PROVIDED WITH THE APPLIANCE APPLY TO THESE
INSTRUCTIONS.
IF YOU ENCOUNTER ANY PROBLEMS, NEED CLARIFICATION OF
THESE INSTRUCTIONS OR ARE NOT QUALIFIED TO PROPERLY
INSTALL THIS KIT, CONTACT YOUR LOCAL DISTRIBUTOR OR
DEALER.
PRE-ASSEMBLY NOTES:
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.
Step 1. Refer to Figure 3, below. Using a Phillips screwdriver, remove
the three (3) factory-installed screws in the lower face of the firebox.
Step 2. Position the left and right deflectors and the center clip as shown
below, and attach using the three screws.
Step 3. Proceed to bi-fold door installation procedures on the next page.
PRE-ASSEMBLY NOTES:
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.
Step 1. Refer to Figure 4, below. 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.
Step 2. Align the engagement clip with the lowermost opening along
the firebox side.
Step 3. Snap the channel into place.
Step 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.
Step 5. Repeat this procedure for the other vent channel component.
Upper Door Guide Track
Spring Clip
(Shown pulled
away for clarity)
Clearance Hole
Door
Vent Channel
Center
Left Air
Clip
Deflector
Right Air
Deflector
(Detail: Installation
of left air deflector.)
(Detail: Installation of center clip
on top of both air deflectors.
Figure 3: Installation of Air Deflectors and Center Clip
on 36LBF/LBF-BS and 42LBF/LBF-BS
Engagement Clip
(Engaged Clip)
Appliance
Figure 4: Installation of Vent Channels on 50LBF/LBF-BS
Step 6. Remove the factory-installed screw in the center front of the
firebox.
Step 7. Position the center clip as shown in Figure 5, below, and attach
it using the two (2) provided screws.
Step 8. Proceed to bi-fold door installation procedures on the next page.
(Detail)
2
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
Figure 5: Installation of Center Clip on 50LBF/LBF-BS
LENNOX HEARTH PRODUCTS • LBF SERIES BI-FOLD GLASS DOORS • INSTALLATION INSTRUCTIONS
Lower
Frame
Roller Pin
Lower
Frame
INSTALLING THE BI-FOLD DOORS
Step 1. Refer to Figure 1 on page 1 for correct door position. Starting
with the left door panel, hold it at a slight angle to the door frame outer
edge, with the top of the door tilted toward the center of the firebox.
Step 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 (Figures 6 and 7, below).
Lower
Pivot Pin
Figure 6: Lower Left Door Panel
Pivot
Point
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.
To align the bi-fold doors:
Step 1. Grasp one door handle, and loosen the lower door pivot pin using
a 3/8" open-end wrench.
Note: The upper door pivot pins can be loosened for adjustment
purposes; however, it is easier to loosen the lower pins.
Step 2. Slide the door panel on the hinge pin until the gap between the
upper door trim and upper frame is even.
Step 3. Retighten the lower door pivot pin.
Step 4. If needed, repeat this procedure for the opposite door.
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.
Figure 7: Lower Left Door Panel
Step 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 8, below).
Pivot Pin
Lock
Figure 8
Step 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 9, below).
Spring Clip
Pivot Pin
Upper Door
Guide Track
Roller Pin
Roller Pin
• 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.
IMPORTANT: THE FINISH OF THESE DOORS MAY BE PROTECTED
WITH A SELF-ADHERING PLASTIC COATING THAT MUST BE REMOVED
BEFORE HEAT IS GENERATED BY 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
INSTRUCTIONS 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
RESILIENCE, WHICH WILL RESULT IN GLASS
BREAKAGE.
Figure 9
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
(continued on next page)
3
LENNOX HEARTH PRODUCTS • BI-FOLD GLASS DOORS • LBF SERIES • INSTALLATION INSTRUCTIONS
Fully Open or
Fully Closed
Front-Open Systems
Fully Closed
Multi-Open Systems
GENERAL OPERATING PRECAUTIONS AND INSTRUCTIONS (continued from previous page)
WARNING
FRONT-OPEN FIREPLACES SHOULD ONLY BE
OPERATED WITH DOORS FULLY OPEN OR
DOORS FULLY CLOSED.
MULTI-OPEN FIREPLACES MUST BE OPERATED
WITH DOORS FULLY CLOSED.
IF DOORS ARE LEFT PARTLY OPEN, FLAME MAY
BE DRAWN OUT OF THE FIREPLACE OPENING,
CREATING RISKS OF BOTH FIRE AND SMOKE.
CAUTION
GLASS AND METAL FRAMES GET HOT! ALWAYS USE
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 OPEN or FULLY CLOSED (see Figure 9).
Multi-open fireplace systems must be operated with the glass doors
FULLY CLOSED (see Figure 9 ).
Always use the door handles when opening and closing the doors.
Figure 9
WARNING
BE AWARE THAT SAFETY GLASS IS UNPREDICTABLE WHEN HOT, AND MAY BREAK, EXPELLING
HOT GLASS INTO THE ROOM.
WHEN OPERATING WITH DOORS CLOSED,
ADVISE ALL FAMILY MEMBERS 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 AM-
MONIA OR AMMONIA-BASED GLASS OR HOUSE HOLD 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.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Lennox Hearth Products reserves the right to make changes at any time, without notice, in
design, materials, specifications, or prices, and also to discontinue colors, styles and products.
Consult your local distributor for fireplace code information.
Printed in U.S.A. © 2000 Lennox Hearth Products
P/N 504267M REV. F 09/2010
4
1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210
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