Montigo H42-DF Instruction Manual

SCH42
REVISIONS
REV. DESCRIPTION DATE CHANGED BY
- . - -
1:12
DWG. NO.
SHEET 1 OF 1
WEIGHT:
H42DF-W/SCREEN
Finish
MATERIAL
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
1/32"
TWO PLACE DECIMAL
.015"
THREE PLACE DECIMAL
.005"
ALL BENDS ARE ASSUMED
TO BE 90
UNLESS NOTED
OTHERWISE.
Revision / Date
Drawn by
DATE
NAME
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CANADIAN HEATING PRODUCTS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF CANADIAN HEATING PRODUCTS IS PROHIBITED.
PROPRIETARY AND CONFIDENTIAL
Y:\CADD\H-UNITS\H42\H42F\H42F ASSY
December-16-14 11:01:08 AM
SCALE
PC
Description
H42DF WITH SCREEN
ASSY
A
Revision
12/09/2014
H42DF HL42DF
HW42DF
Indoor
Resi
dential
Gas Fireplace
®
C US
Read and understand this manual. Improper installation, adjustment, alteration,
serviceormaintenancecancauseseriousinjury,propertydamageorevendeath.
For assistance or additional information consult a qualified installer, service
agency or the gas supplier.
DANGER
Glass doors on gas fireplaces are extremely hot while the fireplace is on and
remain hot even after the fireplace has been turned off. Safety screens are
available and can reduce the risks of severe burns. Please keep children away
from the fireplace at all times.
CAUTION
Installation & Maintenance Manual
Donotstoreorusegasolineorany other flammable vapors andliquidsin the vicinity of
this or any other gas burning appliance. A fire or explosion my occur causing serious
injury, property damage or even death.
WARNING
Installer: Leave this manual with the appliance. Do not remove.
Consumer: Retain this manual for maintenance and future reference. Do not Discard.
NOTICE
IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call your gas supplier from a neighbor's phone. Follow the gas
supplier's instructions.
If you cannot reach your gas supplier, call the fire department.
DANGER
Irritant
Cutting
Watchyour step
Slipperyfloor
Hightemperatures
Glasshazard
Dangerof suffocation
Highvoltage
Toxic
Flammablematerials
Corrosive
Forklift trucks
Dangeroverhead crane
Explosionrisk
Oxidising
Dangerof death
Biohazard
LaserRadiation
Dangerof entrapment
Hotsurface
GeneralWarning
Blank
Gasbottles
Watchfor
fallingobjects
Electricity
Dangerfor cutter
Entrapmenthazard
Batteryhazard
Rotatingparts
Lowtemperature
Strongmagnetic field
Opticalradiation
Nonionizing
radiation
Radiation
Hazardousto the
Environment
Dangerof harming
yourhands
Irritant
Cutting
Watchyour step
Slipperyfloor
Hightemperatures
Glasshazard
Dangerof suffocation
Highvoltage
Toxic
Flammablematerials
Corrosive
Forklift trucks
Dangeroverhead crane
Explosionrisk
Oxidising
Dangerof death
Biohazard
LaserRadiation
Dangerof entrapment
Hotsurface
GeneralWarning
Blank
Gasbottles
Watchfor
fallingobjects
Electricity
Dangerfor cutter
Entrapmenthazard
Batteryhazard
Rotatingparts
Lowtemperature
Strongmagnetic field
Opticalradiation
Nonionizing
radiation
Radiation
Hazardousto the
Environment
Dangerof harming
yourhands
Irritant
Cutting
Watchyour step
Slipperyfloor
Hightemperatures
Glasshazard
Dangerof suffocation
Highvoltage
Toxic
Flammablematerials
Corrosive
Forklift trucks
Dangeroverhead crane
Explosionrisk
Oxidising
Dangerof death
Biohazard
LaserRadiation
Dangerof entrapment
Hotsurface
GeneralWarning
Blank
Gasbottles
Watchfor
fallingobjects
Electricity
Dangerfor cutter
Entrapmenthazard
Batteryhazard
Rotatingparts
Lowtemperature
Strongmagnetic field
Opticalradiation
Nonionizing
radiation
Radiation
Hazardousto the
Environment
Dangerof harming
yourhands
Irritant
Cutting
Watchyour step
Slipperyfloor
Hightemperatures
Glasshazard
Dangerof suffocation
Highvoltage
Toxic
Flammablematerials
Corrosive
Forklift trucks
Dangeroverhead crane
Explosionrisk
Oxidising
Dangerof death
Biohazard
LaserRadiation
Dangerof entrapment
Hotsurface
GeneralWarning
Blank
Gasbottles
Watchfor
fallingobjects
Electricity
Dangerfor cutter
Entrapmenthazard
Batteryhazard
Rotatingparts
XG0148 151123
Canadian Heating Products Inc. Langley, BC V4W 4A1 | Montigo Del Ray Corp. Ferndale, WA 98248

Page 2
You must read and understand this manual prior to installation, operation or
troubleshootingthis appliance.Please retainthis owner’smanual forfuture reference
and maintenance.
NOTICE
XG0146 - 151123
Table of Contents
H*42DF Indoor Gas Fireplace
Instruction Manual Contents
SafetyAlerts 3
Introduction 3
SectionA: Before You Start 4
Installation Checklist 4
Rating Plate Sample 5
Section 1: Installation Overview and Product Dimensions 6
Section 2: Framing 7
Section 3: Venting 8
Section 3-1: Converting to Rear Vent 8
Clearances 9
Section 3-2: Installing a Roof Mounted Termination (PVTK-1) 10
Section 3-2-1: Venting Layout 10
Roof mounted Terminations 10
Section 3-3-1: Venting Layout: 12
Section 3-3-2: Venting Components 17
Section 3-3-3: Heat Shields 18
Section 4: Wiring 19
CPI [Continuous Pilot Ignition] / IPI [Intermittent Pilot Ignition]
JumperCableInstallation(onlyavailableforSITElectronicIgnition
Systems) 21
Section 5-1: FUEL CONVERSION 22
Section 5-2: GAS PRESSURE 22
Section 5-3: GAS CONNECTION 22
Section 6: Finishing 23
Section 7: Screen Installation and Removal 24
Section 8: Installing & Removing the Door 25
Section 9: Installing theAccessories 27
Installing the Log set: 27
Installing Firestones in Natural Gas and Propane Fireplaces 28
Designer River Rocks - Converting from H42DFN* to HR42DFN*: 28
Installing the Designer River Rocks: 29
Installing the Log set: 31
Section 10: Start-up Sequence 32
Standing (Continuous) Pilot Ignition (SIT NOVA 820) 32
SIT Proame 2 Electronic Ignition 33
Honeywell Electronic Ignition 34
Optional Remote Operation 35
Lighting Instructions 40
General 40
Cleaning 40
Maintenance 40
Hi-Lo BurnerAdjustment: (SIT Nova 820). 40
Hi-Lo Burner Adjustment: (SIT Proame 2). 40
Pilot BurnerAdjustment. 40
Troubleshooting: 41
SIT Nova 820: 41
Honeywell: 41
SIT Proame 2: 41
Replacement Parts: 42
AppendixA: Termination Locations 43
Appendix B: Warranty 44
Appendix C: State of Massachusetts 45

Page 3
XG0146 - 151123
Indicates a hazardous situation which, if not
avoided, WILL result in death or serious
injury or property damage.
Indicates a hazardous situation which, if not
avoided, COULD result in death or serious
injury or property damage.
Indicates a hazardous situation which, if not
avoided, WILL result in minor or moderate
injury.
Address practices that are important, but
not related to personal injury
DANGER WARNING
CAUTION NOTICE
H*42DF Indoor Gas Fireplace
Safety Alert Key
Introduction
Congratulations on your purchase of a Montigo Fireplace.
Withover30yearsofexperience,Montigoiscommittedtoproviding
you with a gas replace that is not only a beautiful addition to your
space, but that is also designed and manufactured to the highest
safety, reliability and engineering standards.
We strongly encourage you to read and carefully follow the
instructionslaidoutinthisInstallation,OperationandMaintenance
Manualandretainitforyourfuturereference. Payspecialattention
to all cautions, warnings, and notices throughout this manual
intended to ensure your safety.
This manual covers installation, operation and maintenance.
Lighting, operation and care of this replace can be easily performed
by the homeowner. All installation and service work should be
performed by a qualied or licensed installer, plumber or gastter
as certied by the state, province, region or governing body where
the replace is being installed.
Thisinstallation,operation and maintenance manual is applicable
to the models described in the following table. Refer to your
rating plate to verify included options. Throughout this manual
instructions are applicable to all models designated as H*42DF*
unless otherwise noted.
Warranty Information: (See Appendix B)
TheMontigowarrantywillbevoidedby,andMontigodisclaimsany
responsibility for the following actions:
► Modication of the replace and/or components including
Direct-Vent assembly or glass doors.
► Use of any component part not manufactured or approved
by Montigo in combination with this Montigo replace system.
► Installation other than as instructed in this manual.
Consult your local Gas Inspection Branch on installation
requirements for factory-built gas replaces. Installation & repairs
should be done by a qualied contractor.
H42DFN X 34,000 X X
H42DFN-I X 34,000 X X
H42DFN-F X 34,000 X X
H42DFL X 32,000 X X
H42DFL-I X 32,000 X X
H42DFL-F X 32,000 X X
HL42DFN-F X 34,000 X X
HL42DFL-F X 32,000 X X
HW42DFN-I X 34,000 X X
HW42DFN-F X 34,000 X X
HW42DFN X 34,000 X X
MODEL Natural Gas Liquid Propane Gas Rating (BTU hr) Traditional Burner / Logset Contemporary Burner w/River rock Linear Burner w/ Glass Accessories Wildre Burner / Logset Standing Pilot Ignition Honeywell Hot Surface Ignition SIT Electronic Ignition
SafetyAlerts
Introduction
Young children should be carefully supervised when they are
in the same room as the applicance. Toddlers, young children
and others may be susceptible to accidental contact burns. A
physical barrier is recommended if there are at risk individuals
in the house. To restrict access to a fireplace or stove, install
an adjustable safety gate to keep toddles, young children and
other at risk individuals out of the room and away from hot
surfaces.
CAUTION

H*42DF Indoor Gas Fireplace
Page 4 XG0148 - 151123
Installation
Section A: Before You Start
IMPORTANTMESSAGE:SAVETHESEINSTRUCTIONS
The H*42DF* Direct Vent replace must be installed in accordance
with these Instructions. Carefully read all the Instructions in this
manual rst. Consult the Local Gas Branch to determine the need
fora permit prior tostarting the installation. Itis the responsibility
of the installer to ensure this replace is installed in compliance
with the manufacturers instructions and all applicable codes.
BEFORE YOU START:
Installation Checklist
Determine the desired install location of your replace.
See Section 1, Dimensions on Page 6, and refer to the
Framing Section 2 for details.
Selectthelocationofyourterminationandresultingventrun.
Yourselectedterminationlocationmustbethehighestpoint
in the Direct Vent installation.
Should it be impossible to meet the venting requirements
laidoutinSection3:Venting,pleasecontactalocalMontigo
dealer regarding the use of a Montigo Power Vent.
Lay out the Vent run; calculating the required elbows and
straight runs of 5"/8" flex and/or rigid pipe.
Layout Electrical Requirements Refer to Section 4: Wiring,
for Details.
RefertoSection5:InstallingtheGasLine,fordetailsonthe
gas connection and access.
Refer to local codes and guidelines for installation
requirements.
Installation and repairs should be done by a qualied
contractor and must conform to:
• Installations in Canada must conform to the local codes or
intheabsenceof local codes to the current versionofNaturalGas
and Propane Installation Code, CSA B149. Electrical Installations
must conform to the local codes or, in the absence of local codes,
to the current version of Canadian Electrical Code, CSAC22.1.1
• Installations in the USA must conform to the local codes or
in the absence of local codes to the current version of National
FuelGasCode,ANSI Z223.1/NFPA54.ElectricalInstallationsmust
conformto the localcodesor,inthe absence oflocalcodes,to the
currentversionoftheNationalElectricalCode,ANSI/NFPA70. See
Appendix C for installation within the State of Massachusetts.
Due to high operating temperatures, this appliance should be located out of traffic &
away from furniture and draperies.
Children and adults should be alerted to the hazards of the high surface temperature,
which could cause burns or clothing ignition.
Youngchildren shouldbe carefully supervised whenthey are in thesame room as the
appliance.
Clothing or other flammable materials should not be placed on or near the appliance.
CAUTION
Whenthis applianceis installed directlyon anycombustiblematerial otherthan wood
flooring, it must be installed on a metal or wood panel extending the full width and
depth of the appliance or a fire will occur causing serious injury, property damage or
even death.
DANGER
Installation and repairs should be done by an authorized gas fireplace service technician.
Theapplianceshouldbeinspectedbeforeuseandatleastannuallybyaprofessional.More
frequent cleaning may be required due to excessive lint from carpeting, bedding material,
etc. It is imperative that control compartments, burners and circulating air passageways of
thefireplace are kept clean.
NOTICE
WARNING
Abarrier designed to reduce theriskof burns from hot viewingglass is provided with this
applianceand shall be installed fortheprotection of children and otherat-risk individuals.
Ifthe barrier becomes damaged, thebarriershall be replaced with themanufacturer’s
barrierfor this appliance.
WARNING
Anysafety screen, guard, or barrierremovedfor servicing an appliance mustbe replaced
priorto operating the appliance.

H*42DF Indoor Gas Fireplace
Page 5
XG0148 - 151123
Installation Section:
Rating Plate Sample
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
 


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





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LB1223-V5.1 SIT IPI -with screen DEC06.2014
  


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    
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  
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

    






 
 
 


 


Teklynx LabelView Demo
FigureA: Rating Plate for IPI eletronic ignition Figure B: Rating Plate for standing pilot (SIT)



 


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

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
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

LBL1205-V6.1 Stand. Pilot- Screen DEC06.2014
  










 


    




  

  







    






 
 
 


 



Teklynx LabelView Demo

H*42DF Indoor Gas Fireplace
Page 6 XG0148 - 151123
Installation
Section:
Section 1: Installation Overview and Product Dimensions
Please review the Installation Checklist on Page 4 for general
information on preparing for a successful installation of your
replace.
The H*42DF* replace may be installed in any location that maintains
proper clearances to air conditioning ducts, electrical wiring and
plumbing. Safety, as well as efciency of operation, should be
considered when selecting the replace location. Select a location
that does not interfere with room trafc, has adequate ventilation
and offers an accessible path for Direct Vent installation.
Figure 1. Fireplace dimensions. (Tolerance ± ⅛").
The replace dimensions are shown below:
Top View
Side View
Front View
42"
1067
40 1
2
"
1029
39 1
2
"
1003
30 3
8
"
772
1"
26
51
4
"
135
43
4
"
122
12 3
8
"
313
19 3
4
"
501
28 1
8
"
713
5"
127
8"
203
32 5
8
"
829

H*42DF Indoor Gas Fireplace
Page 7
XG0148 - 151123
Installation Section:
Section 2: Framing
Frameintheenclosurefortheunitwithframingmaterials. The
framed opening for the assembled replace is 42" wide, x 46
1/2" high x 21 5/8" deep, see Figure 2 .
NOTE: When constructing the framed opening, please ensure
there is access to install the gas line when the unit is installed.
See Figure 22.
* When sheetrock is not used behind the
replace, framing depth 21 5/8" may be
reduced by 5/8".
Figure 2. Framing dimensions.
Figure 4. Combustible Framing for shelves over the replace, Top
vent.
Figure 5. Non Combustible Framing for Top Vent or Rear
Vent with Alcove Above Fireplace. Note: Straight through
the wall rear vent available for Natural Gas only.
Figure 3. Combustible Framing for shelves over the replace,
Rear vent.
Note: Rear vent available for Natural Gas only.
Min.
84”
12”
door
opening
3”
Rear
Vent
Ceiling level
Floor
Top Vent
18”
max.
Min 1”
Non-Combustible
Header
Non-Combustible
materials. Alcove
over fireplace.
33”
Exterior
Wall
Non-Combustible
Nailing Flange,
(supplied) figure 7
.
REAR VENT
N.G ONLY
46 1/2”
9”
40 1/8”
33”
18”
max. Combustible
Header
Combustible
Shelf
Non-Combustible
Nailing Flange,
(supplied) figure 7.
Exterior
Wall
REAR VENT
N.G ONLY
46”
PEL Short
90° elbow
46 1/2”
17 1/2” Combustible
Header
Combustible
Shelf
Non-Combustible
Nailing Flange,
(supplied) figure 7
.
Exterior
Wall
42”
46 1/2”
* 21 5/8”
0" c
l
earance
to corners only
68”
42”
48 1/8”
Note: Images are shown without screens for clarity purposes.
However, your replace should not be operated without proper
installation of screens.
Min.
84”
10.5”
door
opening
3”
Rear
Vent
Ceiling level
Floor
Top Vent
18”
max.
Min 1”
Non-Combustible
Header
Non-Combustible
materials. Alcove
over fireplace.
33”
Exterior
Wall
Non-Combustible
Nailing Flange,
(supplied) figure 7
.
REAR VENT
N.G ONLY
Fireplacewithoutstandardscreen(pre-January2015manufacturing).
Fireplacewithstandardscreen(postJanuary2015manufacturing).

H*42DF Indoor Gas Fireplace
Page 8 XG0148 - 151123
Installation
Section 3: Venting
Section 3-1: Converting to Rear Vent
Use the following instructions to convert an H*42DF* for Rear
Vent use:
1. Remove the Rear ue cover and gasket (5" and 8") on the
ue outlet, as shown in Figure 9.
2. Next, Remove the Top ue collar's (5" and 8") on the ue
outlet, as shown in Figure 9.
3. Install the (removed) Rear ue cover and gasket material, to
theTopventoutlet.Fastenthecoverwithincludedhardware,
as illustrated Figure 9a.
4. Installthe(5"and8")collarstotherearvent outlet using the
included hardware, as illustrated Figure 9a.
Montigo supplies a variety of direct venting and termination
options. The direct vent termination location MUST be selected
such that it is the highest point in the venting assembly. It
should also be selected such that it provides the shortest vent
run possible. Should it be impossible to ensure that the termina-
tion is the highest point or to meet the venting guidelines laid
out below please contact your Montigo dealer to discuss power
venting options.
NOTES FOR PLANNING VENTING:
Ventingoriginatesfrom theunitthroughthe toporthrough
the rear
Venting can terminate through the roof or through an
exterior wall.
Refer toAppendix A-Termination Locations to ensure the
planned termination location is acceptable.
Once the termination location has been established, refer
to the appropriate section for installation details.
All replaces shipped from the factory are Top vent.
Silicone application is NOT required when joining Montigo
vent pipes and components.
See Section 3-1 for converting the unit from top vent to rear vent.
HW42* Only: Air Bafe is shipped open. If you are top venting
the air bafe should be closed following these steps:
Figure 6. Air bafe in open position.
Figure 7. Push the air bafe toward the interior of the rebox as
far as possible and screw the air bafe closed.
Figure 8. Air bafe in closed position
Air Bafe for H42DF* & HR42DF* Only: Air Bafe is shipped
open. If you are top venting, the air bafe should be closed fol-
lowing these steps:
Figure 8b. Air Bafe in Open position
Figure 8c. Pull the air bafe forward as far as possible and screw
the air bafe closed.
Figure 8d. Air bafe in closed position

H*42DF Indoor Gas Fireplace
Page 9
XG0148 - 151123
Installation
Figure 9. Flue cover and collar removal, Top Vented
replace.
Figure 9a. Flue cover and collar installation, Rear Vented
replace
5”Inner Flue Collar
8”Outer Flue Collar
Flue Gasket
Flue Cover Plate
8” Outer Flue Collar
5” Inner Flue Collar
Flue Gasket
Flue Cover Plate
Clearances
When installing a shelf over the top of the replaces, the following
guidelines must be adhered to:
For Rear Vent applications, the minimum clearance is 1" from the
rear of the replace to a wall, or any combustible materials, and
9" clearance from the top of the replace to the underside of any
combustible shelf materials.
For Top Vent applications, the minimum clearance is 1" from the
rear of the replace to a wall, or any combustible materials, and 17
1/2"to the underside of anycombustible shelf materials, Figure4.
1” clearance is maintained on sides and bottom of vent runs and
2” above horizontal vent runs to any combustible material.
H*42DF 9" 17 1/2" 1" 1" 0 See Section
6 Finishing
around the
replace
MODEL Top - Rear Vent† Top - Top Vent † Back Sides Floor Mantel
6”
Figure 7. Installing the Nailing Flange Extension.
Installing The Standoffs
To avoid elevated mantel temperatures, all H*42DF* gas
replaces are required to have the supplied standoffs installed.
The replace is supplied with two standoffs. Bend and install these
standoffs on top of the replace ensuring that the height of the
standoff maintains a 6" clearance.
Figure 6. Installing the standoff's.
Installing the Nailing Flange Extension
Once the replace is placed into the rough framed opening, the
suppliedNailing Flange (PartNo.H42074)must be fastensecurely
into place, with nails or wood screws. as shown in Figure 7.
Note: The nailing ange extension can be substituted with a
piece of NON-Combustible material of the same size and thermal
characteristics,ie:cementboardorequivalent.Thisisrecommended
in applications where the facing materials will not adhere to the
metal nailing ange.
6"
† Note: Clearance from top of replace to a ceiling within the
replace enclosure.
Note: Images are shown without screens for clarity purposes.
However, your replace should not be operated without proper
installation of screens.
Fireplace Clearances:

H*42DF Indoor Gas Fireplace
Page 10 XG0148 - 151123
Installation
Section:
Section 3-2: Installing a Roof Mounted Termination (PVTK-1)
This section applies to installations where the direct vent termi-
nation will be roof mounted.
Section 3-2-1: Venting Layout
Selection of components and details of venting lay out should
adhere to the following guidelines:
The maximum termination point is 32’ above the replace
(NOTE: if the maximum termination height is used, the ame
pattern may be affected).
The Vertical termination must be a minimum 2’higher than
where the termination exits the roong materials, (asphalt
shingles, cedar shakes, etc). This distance should be
measured from the high side of the roof slope where the
ue ashing intersects the roong materials. (see Figures
10 to 10c ).
Terminationlocationmustbeaminimum6’fromamechanical
air inlet.
Foramoredetaileddiagramofallowedterminationlocations,
seeAppendix A.
Amaximum of two offsets (each offset is made up of 2-90°
bends) may be made for vertical vent runs.
Firestops must be installed as required by National & local
codes.
Ensure all horizontal runs are supported with a minimum
of 3 supports per 10’of venting.
Install all roof ashing and storm collars as shown.
Figure10.Topvent,Roofmounted terminationwithnooffsetinventrun.
Figure10a.Topvent,Roofmountedwith1offset(1offset=two90°bends).
Figure 10b. Top vent,Roof mounted with 2 offsets (1 offset= two 90°
bends).
Roof mounted Terminations
The following details are some possible congurations for Roof
mounted terminations. See below.
Support ring
Support plate
Firestop
32’ max.
2’ min.
PVTK1
Termination
Support ring
Support plate
Firestop
32’ max.
2’ min.
Obstacle
PVTK1
Termination
PEXT
PEXT-10
Adaptor
Flue
Collar
Support straps or
support plate & ring
2’ min.
Firestop
Firestop
Firestop
3
2’ max Support plate
& ring
Obstacle
PVTK1
Termination

H*42DF Indoor Gas Fireplace
Page 11
XG0148 - 151123
Installation Section:
Figure 10c. Rear vent, Roof mounted venting (1 = 90° bend).
Support ring
Support plate 32’ max
P
VTK1
Termination
18”
Max.
Note: Images are shown without screens for clarity purposes.
However, your replace should not be operated without proper
installation of screens.

H*42DF Indoor Gas Fireplace
Page 12 XG0148 - 151123
Installation
The Venting Graph: H*42DF*
Measure the vertical height from the replace hearth to the centre
of the termination and the horizontal run from the replace ue
collar to the wall ange of the termination. Plot on the Venting
Graph Figure 13 with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
ExampleA: (Acceptable Installation)
If the vertical dimension from the hearth is 84" and the horizontal
run to the wall ange of the vent termination is 36", this would be an
acceptable installation.
Example B: (Acceptable Installation)
If the vertical dimension from the hearth is 72" and the horizontal
run to the wall ange of the vent termination is 66", this would be an
acceptable installation.
Example C: (Unacceptable Installation)
If the vertical dimension from the oor of the replace is 72" and the
horizontal run to the wall ange of the vent termination is 108", this
would NOT be an acceptable installation.
Figure 13. H*42DF* Top Vent Venting Graph for wall mounted
terminations.
Section 3-3-1: Venting Layout:
Wall mounted termination. Selection of components and details
of venting layout should adhere to the following guidelines:
Vent terminations must not be recessed in walls or siding.
For Heat Shield requirements see Section 3-3-3.
Once the proposed venting layout has been determined
refer to Figure 13 or 15 to ensure the layout is
acceptable.
Notes Wall Mounted Terminations: TOP VENT
All measurements for vertical or horizontal runs are
measured from center of the vent pipe.
Venting runs must fall within the limits set by the venting
graph, see Figure 13.
Wall mounted Terminations
The following details are some possible congurations for Wall
mounted terminations.
Figure 13a. Top Vented, wall mounted installation with one 90° bend.
The vent run must comply with Venting Graph for Top vent, wall
mounted terminations, Figure 13.
Figure 13b. Top Vented, wall mounted Multi-elbow installation. See
Venting Graph for Top vent, wall mounted terminations, Figure 13.
42”
46”
BC
A
Vertical Run (in.)
Unacceptable vent run
within shaded area.
Acceptable vent run
within non-shaded area.
If your installation does not fall
within the venting graph parameters,
please contact a local Montigo
dealer for Power Venting options.
Solid Section
Flex Section
Hearth
15’foot Max. Heat
Shield
Termination
Exterior
Wall
Heat
Shield
Termination
Hearth Exterior
Wall
46”Min.
42” Max.
Flex or Ridig
section

H*42DF Indoor Gas Fireplace
Page 13
XG0148 - 151123
Installation
1
12”
2”
12”
12”
Section 3-3: INSTALLINGAWALL MOUNTED DIRECT VENT
TERMINATION
This section applies to installations where the direct vent termi-
nation will be wall mounted.
1). Installation of Termination with built in frame
ATerminationwithaBuilt-InFrameisinstalledduringframing
of a structure. 1. Frame the termination opening to 11" x 11".
2. Install exterior sheathing to the structure framing.
3. Fasten the termination to the sheathing using a minimum of
4 screws.
MSR Frame
PTO-4 (5"/8")
Termination
PTO-4F (5"/8")
Termination
Figure 11. Installing a PTO-F termination.
Figure 11a. Installing a PTO termination with the MSR frame.
Figure 11d. Installing the VSS Vinyl Shield.
5). Installation of a termination shield for Vinyl Siding
The VSS Termination shield is installed when the exterior of a
structure is clad with Vinyl siding. It is placed directly above, and
on-center with the termination.
2). Installation of termination frame at time of framing
Terminations with a MSR frame allow the installation of the frame
prior to installation of the termination.
1. Frame the termination opening to 12" x 12".
2. SecuretheMSRFrametotheexteriorsheathingofthestructure.
3. Fasten the termination to the MSR Frame using a minimum of
4 screws.
Figure 11b. Installing a PTO termination with the BSR frame.
3). Installation of termination frame at time of framing
in Masonry
Terminations with a BSR frame allow the installation of the
frame in masonry prior to the installation of the termination
1. Frame the BSR opening to 12" x 12".
2. SecuretheBSRFrametotheexteriorsheathingofthestructure.
3. Fasten the termination to the BSR Frame using a minimum of
4 screws.
1. Frame the MOSR opening to 12" x 12".
2. Fasten the MOSR frame to the interior side of the studs,
concrete, or nished wall construction using a minimum of 4
screws.
3. Insert the termination into the MOSR frame as shown here,
(fromthe inside)andattachtotheMOSRbyinstallingamin.
quantityof4boltsintothethreadednutsontheMOSRFrame.
4). Installation of termination from inside structure
A Termination with a MOSR Frame is installed from the inside of
thestructure.Thesearecommonlyusedinhigh-riseconstruction.
MOSR Frame
PTO-4 (5"/8")
Termination
Figure 11c. Installing a PTO termination with the MOSR frame.
BSR Frame MTKOG (5"/8")
InstallingHeatGuardsoverTerminationsisrecommended
in installations where the termination is located within 7'
feet above grade, orabove a pedestrian walkway, andmay
be Required by code in Public areas.
1. Ensure that the two long mounting brackets are facing the
bottom of the termination. (See inset). This will provide more
heatprotectionatthetopofthetermination,wheretemperatures
are highest.
2. Attach to the faceplate of the termination using four sheet
metal screws.
Figure 12. Installing a PTO termination heat guard.
1
1”
11”
Framing
Exterior
Sheathing Fastening Hardware,
minimum 4-screws
Framing
Exterior
Sheathing Fastening Hardware,
minimum 4-screws
PTO-4 (5"/8")
Termination
Framing
Exterior
Sheathing
Fastening Hardware,
minimum 4-screws
12”
12”
Fastening Hardware,
minimum 4-screws
Framing, con-
crete or other
materials
Exterior Sheath-
ing, concrete or
other materials
Exterior Vinyl
siding
PTO-4 (5"/8")
Termination
VSS Vinyl shield

H*42DF Indoor Gas Fireplace
Page 14 XG0148 - 151123
Installation
Section:
Heat Shield
96”Min.
120” Max
Figure13c. Top Vented, wall mounted Retracted Multi-elbow
installation. See Venting Graph for Top vent, wall mounted
terminations, Figure 13.
Note: Images are shown without screens for clarity purposes.
However, your replace should not be operated without proper
installation of screens.

H*42DF Indoor Gas Fireplace
Page 15
XG0148 - 151123
Installation
Figure 14. Corner installation. (NG Models Only) Figure 14a. Flex installation. (NG Models Only)
45° Corner Installation.
Attach an PEL-45 (45° elbow) directly onto the ue collar. Cut
the PXT-20 to suit, and attach it to the PEL-45. Slide the replace
into position and attach to the termination.
45° or less Corner Installation.
Use an PTO-3 termination and an PFL-1 or PFL-2/PFL-2 (12" or
24" compressed length) and a frame, if appropriate. Flex may
be turned to obtain desired degree of angle required but must
not exceed 45°.
Note: Through the wall venting kits are also available for both
theStraightandtheCornerInstallation.TheKitincludesaheat
shield, a PFL-12 (f/f) exible pipe, and a termination with or
without a mounting frame.
PEL-45 Elbow
PEL-90 Elbow
PXT-18
Heat Shield
Heat Shield

H*42DF Indoor Gas Fireplace
Page 16 XG0148 - 151123
Installation
Section:
Figure 15. Rear Vent Venting Graph for wall mounted terminations.
Notes Wall Mounted Terminations: REAR VENT
All dimension lengths for vertical or horizontal runs are
measured from center of the vent pipe.
Venting runs must fall within the limits set by the venting
graphs, see Figure 15.
Fireplace must be converted to Rear Vent conguration
prior to running vent, see Figure 9 and 9a.
The Venting Graph
Measure the vertical height from the replace hearth to the centre
of the termination and the horizontal run from the replace ue
collar to the wall ange of the termination. Plot on the Venting
Graph Figure 15 with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
ExampleA: (Acceptable Installation)
If the vertical dimension from the hearth is 120" and the
horizontal run to the wall ange of the vent termination is
138", this would be an acceptable installation.
Example B: (Unacceptable Installation)
Iftheverticaldimensionfromthehearthis48"andthehorizontal
run to the wall ange of the vent termination is 96",this would
NOT be an acceptable installation.
Example C: (Unacceptable Installation)
If the vertical dimension from the oor of the replace is 72"
and the horizontal run to the wall ange of the vent termination
is 120", this would NOT be an acceptable installation.
Figure 15b. Rear Vented, wall mounted Multi-elbow termination
installation. Installation for H*42DF* must have a minimum vertical
rise of 52".The vent run must comply with the Venting Graph for
Rear vent, wall mounted terminations, Figure 15.
Figure 15a. Straight run, Rear Vented, wall mounted termination for
H*42DF*, Figure 15. N.G. (Natural Gas) equipped replaces ONLY. For
Propane replaces, see gure 15b below.
NOTE: 18” MAX. horizontal run
with no vertical lift. N.G. (Natural
Gas) fireplaces ONLY.
PXT Extension
RHS101 Heat
Shield
Termination
H
earth Exterior
Wall
18” MAX. 33"
6”
30” Max.
52” Min.
18”
Max.
Flex or Rigid
Section
19”
Min.
33”
6”
33”
18” NG Only
A
B
C
52”
48”
Unacceptable vent run
within shaded area.
Acceptable vent run
within non-shaded area.
If your installation does not fall
within the venting graph parameters,
please contact a local Montigo
dealer for Power Venting options.
Note: Images are shown without screens for clarity purposes.
However, your replace should not be operated without proper
installation of screens.

H*42DF Indoor Gas Fireplace
Page 17
XG0148 - 151123
Installation
A- Termination PTO4 (3" Length)
PTO4F (3" Length)
PVTK1SS
B - Frame Kits MSR (Stucco Frame)
MOSR (Stucco Frame)
BSR-4 (4" Brick Frame)
BSR-6 (6" Brick Frame)
C - Flex Sections PFL - 1 (12" f/f Section)
PFL - 18 (18" f/f Section)
PFL - 2 (24" f/f Section)
PFL - 3 (36" f/f Section)
PFL - 4 (48" f/f Section)
PFL - 6 (72" f/f Section)
D - Rigid Sections PXT - 5 (5" f/f Section)
PXT - 10 (10" f/f Section)
PXT - 20 (20" f/f Section)
PEXT - 1 (12" f/m Section)
PEXT - 2 (24" f/m Section)
PEXT - 3 (36" f/m Section)
PEXT - 4 (48" f/m Section)
PEXT - 6 (72" f/m Section)
E - Elbows PEL-90MM (m/m 90º Elbow)
PEL-90FF ( f/f 90º Elbow)
PEL-90FM ( f/m 90º Elbow)
PEL-45FM ( f/m 45º Elbow)
F - Support Ring & Plate PSPXT-8
G - Firestop FS-8
H - Roof Flashing PRF-7 (1/12 - 7/12 pt.)
PRF-12 (7/12 - 12/12 pt.)
I - Heat Shield RHS101
J - Heat Guard MTKOG
Connection and installation of the vent components
should adhere to the following guidelines:
Montigo recommends the use of a ex section for the nal
pipe connected directly to the replace offering greater
exibility of installation and absorption of movement.
Firestops must be installed as required by National & local
codes.
Montigorecommendsthatallexteriorcornersandjointsbe
sealedwithexteriorcaulking.However,weencourageyouto
consult your Building Envelope Engineer or Waterproong
Consultant for further recommendations.
Section 3-3-2: Venting Components
The following components and associated Montigo part num-
bers for installation of a roof or wall mounted termination. Use
only Montigo Vent Components. Use of non-Montigo parts will
VOID the warranty and may impede operation of the replace.
Use any combination of rigid and ex pipe as required and in
anyorientation(Maleconnectorscanfaceinanydirection).
Flexsectionsmaybestretchedupto50%oftheirtotallength
(e.g. a 24” section maybe stretched to 36”).
Connect all vent sections using a minimum of three sheet
metal screws on the outer pipe ue.
Ensure the pipe ends male to female slide in a minimum of
1 1/2” of overlap.
Ensure all horizontal runs are supported with a minimum
of 3 supports per 10’of venting.
Whenhanging/supportingventing,ensurethat1”clearance
ismaintainedonsidesandbottomofventrunsand2”above
horizontal vent runs to any combustible material.
Rigid pipe may be cut less than half way from the female
end only.
Ensure when cutting sections of rigid pipe to maintain
integrity of internal supports.
Place the springs, supplied with the pipe kit, between the
outerand inner pipesto keep thepipes separate andavoid
any possible hot spots.
IMPORTANT:
PleaseRefertoyourBuildingEnvelopeEngineer
or Waterproong Consultant for a review of ALL
penetrations through exterior walls or the roof.

H*42DF Indoor Gas Fireplace
Page 18 XG0148 - 151123
Installation
Section 3-3-3: Heat Shields
Installing a Wall Mounted RHS8 Heat shield
The RHS8 Heat shield CANNOT be used WITHIN 36" horizontal or
60" vertically of the replace, (see gure 16a). For applications
within these dimensions the RHS101 Heat Shield MUST be used.
ToinstalltheRHS8,frameanopeningincombustibleconstruction,
Figure 16 below. Slide the Heat shield in place over the vent pipe
which attaches to the replace. After the replace and vent pipe has
beeninstalled,clearancesshouldmatchthedimensionsinFigure16.
Figure16.RHS8Installation.(Installbyslidingoverventpipewhere
it passes through the combustible construction). Figure17. RHS101 Installation. (Install by sliding Outer Section over
vent pipe where it passes through the combustible construction.
Figure 17a. Heat Shield. After sliding the outer section in place.
Figure 16a. RHS8 Installation. (Minimum requirements).
RHS8 Heat Shield
1” Min. Both sides Typical
1” Min.
1” Min.
Combustible Framing
RHS8 Heat
Shield
36” Min
60” Min.
Termination
Drywall / sheetrock
RHS101 Heat Shield, inner Section
RHS101 Heat Shield
Outer Section
Combustible
framing
Termination
Drywall / sheetrock
RHS101 Heat Shield, inner Section
RHS101 Heat Shield
Outer Section
Vent pipe, from fireplace
Figure 17b. RHS101 Installation.
Outer Shield 10 1/4”
3/8” Min. Both sides Typical
3/8” Min.
3/8” Min .
Combustible Framing
Inner Shield 9 3/8”
Installing a Wall Mounted RHS101 Heat shield.
TheRHS101HeatshieldMUSTbeusedwheretheRHS8Termination
(Figure 16 and 16a) CANNOT be used. Use the RHS101 where any
of the dimensions are within the parameters shown, Figure 16a.
ToinstalltheRHS101,SlidetheInnerSectionovertheventpipethat
will connect to the replace. Then fasten the vent pipe to the back
of the
replace with a minimum of three sheet metal screws. From the
outside
slide the RHS101 outer section on see Figure 17. To complete the
installationfastentheHeatShieldOuterSection&Terminationframe
to the structure Figure 17a.
Note: Images are shown without screens for clarity purposes.
However, your replace should not be operated without proper
installation of screens.

H*42DF Indoor Gas Fireplace
Page 19
XG0148 - 151123
Installation
Section 4: Wiring
Models
H42DFN-F
H42DFL-F
HL42DFN-F
HL42DFL-F
HR42DFN-F
HW42DFN-F
Figure 18. Wiring Diagram for the SIT Proame 2 Electronic Ignition
Figure 20. Wiring Diagram for Honeywell gas control and pilot.
Honeywell (Q3450)
Pilot Assembly
Pilot Electrical
Harness Connector
Honeywell Gas
Control (SV9501M)
Gas Control
Connector
Junction Box
115VAC
24VAC
40 VA
Transformer
Black
White
Green
Gnd Screw
Wall Switch
Fan Plug
Receptacle
Manifold Pressure
Test Connection
Wall Switch
Power
Generator
Pilot Adjustment Screw
Inl
e
t Pr
essu
r
e
'Hi-Lo'Adjustment Knob
Gas Control Knob (Shown in “Pilot” position)
Figure 19. Wiring Diagram for SIT Nova 820 gas and pilot.
Models
H42DFN-I
H42DFL-I
Models
H42DFN HL42DFN HR42DFN
H42DFL HL42DFL HW42DFN
1.5V AA type
1.5V AA type
1.5V AA type
1.5V AA type
BLACK
WHITE
GREEN
To PPO
SPARK
SENSOR
RED
BLACK
BATTERY
PACK
TO ON/OFF
WALL SWITCH
YELLOW/GREEN
ORANGE
GREEN
6
10
4
6
3
4
OPTIONAL CPI/IPI SWITCH
BLUE
WHITE
X1
X5
X4
X3
X2
LED Lights
LED1 - Red LED
LED2 Amber LED
3.15A FUSE
SW1
BLUE
RED
OPTIONAL
X10
X11
X12
X13
Jumper

H*42DF Indoor Gas Fireplace
Page 20 XG0148 - 151123
Installation
Section:
Installing the remote On/Off Wall Switch
The H*42DF* gas valve may be connected to a wall switch. Do
NOT connect any external power to the remote switch. The valve
will generate its own power on a millivolt circuit or will draw its
power from an AC Connection inside the replace, depending on
the model of the unit. Use only low voltage wire, and DO NOT
connect any external power to the remote switch.
Refer to Figure 18, 19, or 20 for wiring requirements.
NOTE: The switch location must not exceed 30' from the replace.
WARNING:
An inspection of the explosion relief appers and door
MUST be made prior to lighting the replace. Faulty seal
on the door gasket and/or explosion ports will result in
products of combustion leaking into the living space and
may result in carbon monoxide poisoning.