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Wood burning Fireplace
oWner'S operaTion and
inSTallaTion Manual
ICBO #ER-3507
Model b42li-M
SAVE THIS BOOK
This book is valuable. In addition to instructing you
on how to install and maintain your appliance, it also
contains information that will enable you to obtain re-
placement parts or accessory items when needed. Keep
it with your other important papers.
This fireplace is approved for use as a wood burning
fireplace or for use with a vented gas log approved to
ANS Z21.60, Z21.84 standard or for use with a vent-free
gas log heater approved to ANS Z21.11.2 standard. A
DESA Heating, LLC hood must be installed when using
a vent-free log heater (see Accessories, page 18).
This wood burning fireplace complies with UL127-
CAN/ULS-S610-M87 standard as a FACTORY BUILT
APPLIANCE.
FOR CANADA: The authority having jurisdiction (such
as the municipal building department, fire department,
etc.) should be contacted before installation to deter-
mine the need to obtain a permit.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
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Table of Contents
Related Manuals for Comfort Glow B42LI-M
Summary of Contents for Comfort Glow B42LI-M
- Page 1 Wood burning Fireplace oWner’S operaTion and inSTallaTion Manual ICBO #ER-3507 Model b42li-M SAVE THIS BOOK This book is valuable. In addition to instructing you on how to install and maintain your appliance, it also contains information that will enable you to obtain re- placement parts or accessory items when needed.
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Page 2: Table Of Contents
Table oF conTenTS Safety ..............2 Operation and Maintenance ......14 Specifications ............3 Technical Service..........15 Fireplace Installation..........4 Parts ..............16 Venting Installation ..........7 Replacement Parts ..........18 Optional Gas Line Installation......13 Accessories ............18 SaFeTy WARNING: Do not install a WARNING: Improper instal- lation, adjustment, alteration,... -
Page 3: Specifications
SpeciFicaTionS 1" AIRSPACE TO COMBUSTIBLE MATERIAL GAS LINE RIGHT SIDE 0" TO KNOCK OUTS TOP SPACERS NO COMBUSTIBLE MATERIAL ON FACE 8.25" 7" COMBUSTIBLE WALL BOARD 3/4" AIR SPACE GAS LINE BACK AIR KIT KNOCK OUTS KNOCK OUT SIDES LEFT SIDE NOT LESS THAN 14"... -
Page 4: Fireplace Installation
Fireplace inSTallaTion SELECTING LOCATION 3. Set fireplace directly in front of this open- ing and slide unit back until nailing flanges To determine safest and most efficient location touch side framing. for fireplace, you must take into consideration 4. Check level of fireplace and shim with the following guidelines: sheet metal if necessary. - Page 5 Fireplace inSTallaTion Continued HEARTH ExTENSION Seal Gap Fireplace Front A hearth extension projecting a minimum of 20" in front of and a minimum of 12" beyond each side of fireplace opening is required to Ember Protector protect combustible floor construction in front of fireplace.
- Page 6 Fireplace inSTallaTion Continued MANTELS FAN/BLOWER KIT ASSEMBLY A mantel may be installed if desired (see Fan or blower kit is optional with this fireplace Figure 4). Woodwork such as wood trims, (for circulating models only). Use of blowers or mantels or any other combustible material fans other than those manufactured by DESA projecting from front face must not be placed Heating, LLC voids warranty.
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Page 7: Venting Installation
VenTing inSTallaTion OPTIONAL OUTSIDE AIR KIT WARNING: The opening in (MODEL AK4/AK4F) collar around chimney at top of Installation of outside air kit should be per- fireplace must not be obstructed. formed during rough framing of fireplace due to the nature of it's location. Outside combus- Never use blown insulation to fill tion air is accessed through a vented crawl chimney enclosure. - Page 8 VenTing inSTallaTion Continued ASSEMBLY AND INSTALLATION OF installing double wall snap-lock chimney to- gether, it is important to assure joint between DOUBLE WALL CHIMNEY SYSTEM chimney sections is locked. Check by pulling Each double wall chimney section consists chimney upward after locking. Chimney will of a galvanized outer pipe, a stainless steel not come apart if properly locked.
- Page 9 VenTing inSTallaTion Continued See Detail A Ceiling Support Pipe 12S-8DM 2" Min. See Detail B Straps Straps Straps Straps Detail A Detail B Return Elbow Angle Firestop Figure 10 - Ceiling Support Pipe 12S-8DM OFFSET RISE CHIMNEY LENGTH 48" 36" 24" 18" 12" "...
- Page 10 VenTing inSTallaTion Continued FIRESTOP SPACERS (FS-8DM) 4. Remove shingles around opening mea- sured. Cut out this section. Firestop spacers are required at each point 5. Add next sections of pipe until end where chimney penetrates a floor space. penetrates roof line. Check to see that Their purpose is to establish and maintain proper clearances are maintained.
- Page 11 VenTing inSTallaTion Continued Overlap Terminations with 16" slip pipe sections are Storm Collar Shingles Top available. RTT-8DM and RTTL-8DM are Flashing and Sides Only approved for flashing installations. When Cone needed, these adjustable terminations may Nail Only be used in combination with pipe assembly Outer to achieve correct chimney height.
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Page 12: Foot Rule
VenTing inSTallaTion Continued 10 FOOT RULE FINISHING FIREPLACE All flue gas outlet chimney terminations must Combustible materials, such as wallboard, extend a minimum of 3 feet in height above gypsum board, sheet rock, drywall, plywood, highest point where it passes through roof and etc., may make direct contact with sides and must be at least 2 feet above highest point of top around fireplace face. -
Page 13: Optional Gas Line Installation
opTional gaS line inSTallaTion Gas line hook up should be done by your Note: A DESA Heating, LLC hood must be supplier or a qualified service person. installed when using an unvented gas log set (see Accessories on page 18). Note: Before you proceed, make sure your gas supply is turned off. -
Page 14: Operation And Maintenance
opTional gaS line inSTallaTion Continued WARNING: If the fireplace WARNING: When using has been used for wood burn- a decorative vented gas log, ing, firebox and chimney must damper must be removed or be cleaned of soot, creosote and permanently locked in fully open ashes be a qualified chimney position and glass doors must cleaner. -
Page 15: Technical Service
operaTion and MainTenance Continued DAMPER HANDLE OPERATION Damper Damper handle, which opens and closes Handle damper blade, is located inside firebox at center towards back wall (see Figure 24). Pushing handle back into keyway slot will free damper blade to automatically open. To close, push handle back into keyhole slot then pull down and forward to lock it in place (see Figure 25). -
Page 16: Parts
WOOD BURNING FIREPLACE MODEL B42LI-M www.desatech.com 115386-01B... - Page 17 WOOD BURNING FIREPLACE MODEL B42LI-M This list contains replaceable parts used in your fireplace. When ordering parts, see Replace- ment Parts on page 18 of this manual. NO. PART NO. DESCRIPTION QTY. Insulation Pan Air Separator Firebox Top 108302-01...
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Page 18: Replacement Parts
replaceMenT parTS EMBER PROTECTOR 20093 STANDARD BRICK LINER Left - 106971-01 Right - 106970-01 Rear - 108310-01 Bottom Rear 108312-01 Bottom Front 108311-01 acceSSorieS DOUBLE WALL PIPE 12-8DM 12-8HT 18-8DM 18-8-HT 24-8DM 24-8HT 36-8DM 36-8HT ADjUSTABLE HOOD 48-8DM 48-8HT Antique Brass Finish - GA6053 Polished Brass Finish - GA6052 Black Painted Finish - GA6050 Required when installing a vent-free gas log... - Page 19 acceSSorieS Continued FIRESTOP SPACER FS-8DM OUTSIDE AIR KIT FOR SIDE WALL INSTALLATION - AK4 FAN KIT - BK3 OUTSIDE AIR KIT FOR FLOOR INSTALLATION AK4F BLOWER KIT - BK SQUARE CHASE-TOP TERMINATION ROUND TOP TERMINATIONS ET-8DM, ETO-8DM RT-8DM, RTL-8DM ECONO-TOP TERMINATION WITH SLIP SECTION ROUND TOP TERMINATIONS WITH SLIP SECTION...
- Page 20 DESA Heating, LLC 2701 Industrial Drive Bowling Green, KY 42101 www.desatech.com 1-866-672-6040 115386-01 115386 01 Rev. B 12/08 NOT A UPC...