Heatilator LM42 User manual

Heatilator • LM42 • Installers Manual • 4087-901 • Rev A • 04/14/16 1
WOODBURNING FIREPLACE
Model(s):
Installation Manual
Installation and Fireplace Setup
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
replace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other ammable
materials.
• Keep clothing, furniture, draperies and other ammable
materials away.
INSTALLER: Leave this manual with party responsible for installation and operation.
OWNER: Retain this manual for future reference.
LM42
LM42-SS
NOTICE: DO NOT discard this manual!
• Read all the instructions before starting
the installation. Follow these instructions
carefully during the installation to ensure
maximumsafetyandbenet.
• Comply with all minimum clearances to com-
bustiblesasspecied.Failuretocomplymay
causehousere.
Installation and service of this
appliance should be performed by
qualiedpersonnel.Hearth&Home
Technologies recommends HHT
Factory Trained or NFI certified
professionals.
Contact your dealer with questions on installation, operation, or service.
WARNING! Risk of Fire and/or Asphyxiation!

Heatilator • LM42 • Installers Manual • 4087-901 • Rev A • 04/14/16
2
Safety Alert Key:
• DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.
• WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.
• CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
• NOTICE:Indicatespracticeswhichmaycausedamagetothereplaceortoproperty.
Table of Contents
1 Product Specic & Important Safety Information
A.FireplaceCertication 4
B.GlassSpecition 4
C.Non-CombustibleMaterials 4
D.CombustibleMaterials 4
2 Getting Started
A. Typical Fireplace System 5
B. Design and Installation Considerations 6
1.LocatingFireplace&Chimney 6
2. Selecting Fireplace Locations 7
3.SelectingFireplaceLocationOutdoors&
Requirements 8
C. Tools and Supplies Needed 10
D. Inspect Fireplace and Components 10
E. Fireplace System Requirements 11
3 Framing and Clearances
A. Fireplace Dimensions 12
B. Clearances 13
C. Construct the Chase 15
D. Frame the Fireplace 16
E. Secure and Level the Fireplace 16
F. ProtectiveMetalHearthStrips 17
G. Outside Air Kit (required) 18
H.Non-CombustibleFacingMaterialInstallation 19
4 Chimney and Termination Requirements
A. Chimney Requirements 20
B. Offsets/Returns 21
C. Termination Requirements 22
5 Chimney Installation
A. Typical Chimney System 23
B.AssembleChimneySections 24
C.SecureOffset/Return 24
D. Install Firestops 25
E. Install Attic Insulation Shield 26
F. ThimbleInstallation-ManufacturedHome 27
G. Roof Penetration 28
H.InstallChase/ChaseTop 28
I. InstallTerminationCap 29
6 Shrouds
A. Radiation Shield 31
B. Field Constructed Shrouds 31
1. Open Top Shroud 31
2.MailboxStyleShroud 32
3. Roofed Style Shroud 32
7 Facing, Mantels & Hearth Extensions
A.FinishingMaterial 33
B.HearthExtension,BuildingandFinishing 34
1. Fireplace Installed Flush on the Floor
 andHearthExtensionRaisedtoBottom
 ofFireboxOpening 35
2.RaisedHearthExtensionandRaisedFireplace 35
3.FireplaceOpeningandHearthExtensionFlush
with the Floor 35
C.MantelandWallProjections 36
D. Sidewalls/Surrounds 37
8 Fireplace Accessories
A. Gas Log/Lighter Provision 38
9 Reference Materials
A.ChimneyComponents 39
B.OptionalComponents 43
= Contains updated information.

Heatilator • LM42 • Installers Manual • 4087-901 • Rev A • 04/14/16 3
Customer:
Lot/Address
Model (circle one): LM42
YES IF NO, WHY?
Door and screen weights installed. Section Section 2
Required factory included non-combustible board is in place
Comments communicated to party responsible
4087-982 •Rev A •11/15
__________________________ by ______________________on _________
Protective hearth strips installed per manual requirements. Section 3
Outside air kit installed. Section 3
Hearth extension installed per manual requirements.
Verified all clearances meet installation manual requirements.
Mantels and wall projections comply with installation manual requirements.
Chimney Section 4 & 5
Attic insulation shield installed.
Shrouds Section 6
Shroud is installed properly per instructions.
Fireplace Setup Section 8
Hearth & Home Technologies recommends the following:
Facing, Mantels & Hearth Extensions Section 7
(Builder/Gen. Contractor) (Installer) (Date)
Comments:
Further description of the issues, who is responsible (Installer/Builder/Other Trades, etc.) and corrective action needed:
WARNING! Risk of Fire or Explosion! Failure to install fireplace acording to these instructions can lead to a fire or
explosion.
Manual bag and all of its contents are removed from the fireplace and given tothe party
responsible for use and operation.
Verified that the chase is insulated and sealed. Section 3
Verified clearances tocombustibles. Section 3
Fireplace is leveled and secured. Section 3
Hearth extension size/height decided. Section 7
Chimneyconfiguration complies with diagrams.
Chimney installed, locked and secured in place with proper clearance.
Chimney air kit installed.
Firestops installed.
•That this checklist remain visible at all times on the replace until the installation is complete.
ATTENTION INSTALLER:
Follow this Standard Work Checklist
This standard work checklist is to be used by the installer in conjuction with, not instead of, the instructions contained in this installation
manual.
Date Installed:
Location of Fireplace:
Installer:
Dealer/Distributor Phone #
Serial #:
Roof flashing installed.
Termination installed.
•Photographing the installation and copying this checklist for your le.
Combustible materials not installed in non-combustible areas.
All packaging and protective materials removed.
Refractory installed correctly.
Grate is properly installed.
Fireplace Install
LM42-SS

Heatilator • LM42 • Installers Manual • 4087-901 • Rev A • 04/14/16
4
C. Non-Combustible Materials
• Materialswhichwillnotigniteandburn,composedof
anycombinationofthefollowing:
- Steel - Iron
- Brick - Tile
- Concrete - Slate
- Glass - Plasters
• MaterialsreportedaspassingASTM E 136, Standard
Test Method for Behavior of Metals, in a Vertical
Tube Furnace at 750° C
D. Combustible Materials
• Materialsmadeoforsurfacedwithanyofthefollowing
materials:
- Wood - Compressedpaper
- Plantbers - Plastic
- Plywood/OSB - Sheet rock (drywall)
- Foaminsulation&sealants
• Anymaterialthatcanigniteandburn;ameproofedor
not, plastered or un-plastered
1 Product Specic & Important Safety Information
Section 1
B. Glass Specications
• This appliance is equipped with 5mm ceramic glass.
Please contact your dealer for replacement glass.
Not intended for use as a primary heat source.
This replace is tested and approved as a decorative
replace. It should not be factored as a primary heat
source in residential heating calculations.
Improper installation, adjustment, alteration, service
or maintenance can cause injury or property damage.
Refer to the owner’s information manual provided with
thisreplace.Forassistanceoradditionalinformation
consult a qualied installer, service agency or your
dealer.
WARNING
Fire Risk
WARNING
TOAVOIDTHERISKOFDAMAGINGFIREPLACEMA-
TERIALSANDINCREASINGTHERISKOFSPREAD-
ING A FIRE, DO NOT USE THE FIREPLACE TO
COOK OR WARM FOOD.
WARNING! THIS FIREPLACE MAY BE INSTALLED IN
MANUFACTURED HOMES, EXCEPT IN SLEEPING
ROOMS.
If installed with a gas log set, provisions for the National
FuelGasCodemustbemet.
Thisreplacecomplieswiththeinstallationrequirements
forHUD.
CAUTION! THE STRUCTURAL INTEGRITY OF THE
MANUFACTURED HOME FLOOR, WALL, AND CELING/
ROOF MUST BE MAINTAINED.
HeatilatorisaregisteredtrademarkofHearth&Home
Technologies.
WARNING! Risk of Fire! Hearth & Home Technologies
disclaims any responsibility for, and the warranty and
agency listing will be voided by the following actions.
DO NOT:
• installoroperatedamagedreplace
• modifyreplace
• install other than as instructed by Hearth & Home
Technologies
• operate the fireplace without fully assembling all
components
• overre
• install unvented gas log set
• install any component not approved by Hearth & Home
Technologies
• install parts or components not Listed or approved
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualied
installer, service agency or your dealer.
A. Fireplace Certication
Thisreplacesystemhasbeentestedandlistedinaccor-
dancewithUL127andULC-S610standardsbyUnderwrit-
ers Laboratories Inc. for installation and operation in the
United States and Canada.

Heatilator • LM42 • Installers Manual • 4087-901 • Rev A • 04/14/16 5
2 Getting Started
A. Typical Fireplace System
Figure 2.1 Typical Fireplace System
Section 2
Termination Cap
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
Chimney penetrates roof
preferably without affecting
roof rafters
Storm Collar Non-combustible
roof flashing maintains
minimum clearance
around chimney
Offset/Return
(with hanger straps) Support straps
on rafter supports
chimney (not shown)
Attic insulation shield
must be used to keep
insulation away
from chimney if
attic is insulated
Ceiling firestop
on floor of attic
Framing headed
off in ceiling joists Outside
combustion air
Mantel
Chimney system Enclosed space above
and around fireplace
Combustible
framing/header
on top of V-shaped
standoffs (spacers)
Chimney Air Kit (CAK-4A) (not
shown) must be used with SL300
chimney in Canada.
Non-combustible material
Outside
combustion air
Hearth Extension
Locate cooling air in the enclosure of
outdoor unit no less than 12 inches
off ground level.