Montigo L-Series DF Technical manual

MONTIGO
Flush Face Fireplace Planning Guide
www.montigo.com
L-Series DF L-Series DF-ST
H-Series DF H-Series DF-ST
HL-Series DF HW-Series DF

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CONTENTS
INTRODUCTION: 3
BEFORE YOU BEGIN: 3
WHAT'S IN THE BOX: 3
WHAT'S OPTIONAL: 4
PLACING A MONTIGO FLUSH FACE DV GAS FIREPLACE: 4
VENTING A MONTIGO FLUSH FACE DV GAS FIREPLACE: 5
FACING A MONTIGO FLUSH FACE DV GAS FIREPLACE: 6 - 9
SUMMARY 10
CONTACT INFORMATION: 10
APPENDIX: 11 - 13
NOTES: 13

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INTRODUCTION:
This Planning guide is intended to assist the Architect, designer, builder and homeowner
when choosing the most appropriate installation type and location for your new Montigo Flush
Face Direct Vent fireplace.
This guide is not intended to substitute for the Montigo Installation guide for the gas fireplace of
choice. The Operation and Maintenance Manual designed for your Direct Vent fireplace should
be followed without exception. For a listing of all Montigo Direct Vent fireplaces, see;
www.montigo.com/products.html
BEFORE YOU BEGIN:
The Flush Face Direct Vent fireplace is a vented heating appliance. It must be installed by
a qualified installer . If you have not yet contacted with an installer this would be a perfect time to
do so. You can see all the installers for your State, or Province, at;
www.montigo.com/dealer.html
WHAT IS A DIRECT VENT ?:
The Flush Face Direct Vent fireplace is listed as 'Direct vent' fireplace. This description
means that all the air for combustion comes directly from the outside atmosphere and all flue
gasses are discharged directly to the outside atmosphere.
WHAT IS IN THE BOX ?:
The Flush Face Direct Vent fireplace currently ships with; one box of glass beads, or two
for See-thru models (Linear Burner models only), one nailing flange extension, and one door
opener tool. The fireplace can also be turned on/off via a switch supplied by your installer, or
order the optional remote control.
Note: Read the installation / operation instructions for your specific Montigo Direct Vent
fireplace. Vent pipe must also be ordered separately through your retailer or Montigo.

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WHAT'S OPTIONAL:
There are two optional accessories for your Montigo Flush face Direct vent fireplace; a fan
kit and a surround.
The fan kit requires switched 110 volts AC to operate and should be installed in the fire-
place before the fireplace is installed in the building. It is not controlled by the remote
control.
The surrounds are decorative. They serve the function of framing the fireplace opening.
Montigo currently offers two surrounds; one manufactured from steel, painted flat black
to match the fireplace, or the other formed from stainless steel. The customer may also
choose to design their own using materials such as stone or tile.
PLACING A MONTIGO FLUSH FACE FIREPLACE:
The Montigo Flush face Direct vent fireplaces are zero clearance fireplaces which can be
installed in a variety of locations. For example, you could install it against an outside wall and the
unit could be vented out the rear or side, (12" maximum pipe length). The Montigo Direct vent
fireplace can also be installed along a inside wall as well. The vent pipe would run vertically, hori-
zontally or a combination of both.
Note: Read the venting requirement for your specific Montigo Direct Vent fireplace.
Although the industry term zero-clearance is used to describe the Direct vent fireplace of choice,
there are some limitations and restrictions. This installation of the typical Montigo flush face fire-
place will proceed from the bottom of the unit, and will hopefully be explained as clearly as pos-
sible in a step by step format.
Montigo flush face fireplaces vary in weight, but the installation type or specification does
not change due to this specification. The Montigo flush face fireplace can sit on any mate-
rial that provides a level and solid support structure for a fireplace. Standard 2 x 4 con-
struction is generally sufficient to install a Montigo flush face fireplace.
Note: If the fireplace is extremely large, as in some of Montigo's Custom fireplaces, it
will require engineering to install and support.
The Montigo flush face Direct Vent fireplace burns either natural gas (NG) or liquified pe-
troleum gas (LP) but not both. You must specify your preference at the time of order.

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The gas connection is accommodated through a cutout located at the bottom of the left
side wall of the fireplace. (See the Figure titled "Gas connection" in your specific installa-
tion instruction guide). Your plumber / gas fitter will have to bring your gas supply through
this hole
Unless the optional fan kit is installed, no external electrical power is required.
VENTING A MONTIGO FLUSH FACE FIREPLACE:
Currently the Montigo Flush face Direct vent fireplaces is listed for use with Montigo vent
pipe only. This cent pipe is generally available from Montigo or your local retailer. See;
www.montigo.com/dealer.html
The installation of the Montigo flush face Direct vent fireplace venting is critical to its safe
operation and MUST be performed by qualified personnel.
The fireplace may be vented through the top or the rear of the cabinet, but not both. When
venting out the rear of the fireplace, (read your instruction guide to determine if your
fireplace can be vented from this location) the vent pipe can not be longer than twelve
inches when it has no rise. In a vertical vent configuration the maximum height is thirty-two
feet. Generally speaking, the more rise in your vent configuration the more run you're al-
lowed.
Note: Read the venting requirement for your specific Montigo Direct Vent fireplace.
Current Montigo Direct Vent fireplaces: www.montigo.com/products.html
Discontinued Montigo Direct Vent fireplaces: www.montigo.com/archive.html
In all configurations, the vent graphs for the Direct Vent installations are specific for the
proper operation of your Montigo fireplace. Consult the Operation and Maintenance Man-
ual before any vent run is installed. Generally speaking the Instruction guide is the final
authority for all vent pipe run specifications. Only one fireplace is allowed on each vent
run.
A powered vent option is also available which adds even more flexibility and will change
the above limits. Once again, consult the Instruction / operation manual for the min / max
venting specifications for your model fireplace. If a Power vent is required to complete
your project consult with your Montigo representative; www.montigo.com/dealer.html.

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Please consult the instruction guide that arrived with your flush face Direct Vent fireplace.
If you did not receive a guide in the packaging of your new Montigo fireplace, see;
Current Montigo Direct Vent fireplaces: www.montigo.com/products.html
Discontinued Montigo Direct Vent fireplaces: www.montigo.com/archive.html
FACING A MONTIGO FLUSH FACE FIREPLACE:
The flush face Direct vent gas fireplace is intended to be covered with common building
materials. As described in the supplied Installation Manual, these materials must be non-com-
bustible when placed close to the fireplace opening.
The Montigo flush face Direct vent fireplace can be sheathed in one of three styles; High,
Standard, Overlay. Your choice of style is important because it affects the finished look of
your fireplace and the wall in which it is placed.
High style
Framing
Combustible
Sheathing
Nailing Flange
Extension
Montigo flush face
Fireplace
'High'
Wall Sheathing Detail
(Exploded Side View - Not to Scale) Figure 1

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With the High style of sheathing, the enclosed nailing flange extension MUST be used and
COMBUSTIBLE MATERIAL MUST NOT EXTEND BELOW THE NAILING FLANGE EXTEN-
SION. (See Figure 1). This method, while perfectly acceptable, exposes about ten inches
of black metal trim above the glass door. Only part of this trim can be covered by the op-
tional Montigo surround. This is perhaps the least preffered method of sheathing because
it exposes the largest surface of black trim.
Standard style
Framing Non-Combustible
Sheathing
Montigo flush face
Fireplace
When using the Standard style (See Figure 2). the nailing flange extension is omitted and
ONLY NON-COMBUSTIBLE MATERIALS MAY BE BROUGHT TO THE CABINET NAILING
FLANGE. With the standard style, all of the black metal fireplace trim can be covered with
either of the optional Montigo surrounds.
'Standard'
Wall Sheathing Detail
(Exploded Side View - Not to Scale) Figure 2

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Overlay style
Framing Non-Combustible
Sheathing
Montigo flush face
Fireplace
The Overlay sheathing style (Figure 3). allows you to bring ONLY NON-COMBUSTIBLE
MATERIALS all the way down to the top of the fireplace opening. No material of any kind
may extend beyond the top of the fireplace opening.
The Overlay style requires that you install the fireplace such that the face is flush with the
framing. See Appendix A for further drawings and details.
'Overlay'
Wall Sheathing Detail
(Exploded Side View - Not to Scale) Figure 3

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Optional style
Opening for Audio-Visual
Equipment
For height of framing See
the instruction manual Combustible Sheathing
attached to your AV
Equipment
Consider a mantle
For height of framing See
the instruction manual
attached to your Fireplace
Framing
Non-Combustible Sheathing
The Optional sheathing style (Figure 4). allows the option of framing an opening above the
fireplace for Audio-Visual equipment, ie: LCD or Plasma Monitor (Please refer to the mantle
section of your instruction guide for specific height placement, including dimensions).
See Page 8 for a description of what construction materials are to be used around and
above the Fireplace. Note: No material of any kind may extend beyond the top of the fire-
place opening.
NOTE:
When installing any electronic device over a appliance such as a gas fireplace, ensure you read all the documenta-
tion that arrived with your electronics. Montigo does not specify or determine what specifications are acceptable
by the manufacturer of this equipment. So we advise the consumer to read THOROUGHLY all the associated
literature packaged with the appliance. Failing to read this documentation could seriously affect the warranty of
the said equipment.
Information to note: See Appendix B
'Optional'
Wall Sheathing Detail
(Exploded Side View - Not to Scale) Figure 4
, see Note Below: and
Appendix B.
For height of Non-Combustible
Sheathing See the instruction
manual attached to your fireplace.
Maintain vent
Clearances.

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SUMMARY:
This planning guide must be used in conjunction with the Installation Opera tion / Main-
tenance Manual with any Montigo Flush face Direct vent gas fireplace. Together they provide a
wealth of information for the typical installation.
However, if your installation appears to test the limits detailed in these documents, please
Contact Canadian Heating Products / Montigo or Montigo DelRay so that we may offer
further assistance.
CANADIAN HEATING PRODUCTS / MONTIGO
27342 Gloucester Way,
Langley, BC
V4W 4A1
web address: www.montigo.com
Montigo web mail: fi[email protected]
Technical assistance email: [email protected]
Toll free: 1-800-378-3115
MONTIGO DEL RAY CORP.
6955 Salashan Parkway
Ferndale, WA
98248
Useful Montigo Web Links
Current Montigo Direct Vent fireplaces: www.montigo.com/products.html
Discontinued Montigo Direct Vent fireplaces: www.montigo.com/archive.html
Replacement Parts: www.montigo.com/accessory_manuals.html

Page 11
APPENDIX A

Page 12
APPENDIX A
L-Series Sectional,
W/Optional Surround
L-Series Top Flange
Detail, Finishing

Page 13
APPENDIX B:
NOTES:
iMPORTANT:
A gas replace produces a considerable amount of heat, and variables due to a mantle size and height
(if any), size of the replace (Dimensions and BTU’s) will determine how the heat radiates and dissi-
pates once it leaves the replace. Read all the documents, and particularly the Specications and loca-
tion/mounting requirements before framing an opening above the replace. Montigo will not be held
responsible for the damage to a sensitive device such as a LCD or Plasma Monitor due to failure of the
consumer not reading, or comprehending the attached literature with the above appliance.

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Canadian Heating Products Inc.
Surrey, BC V3W 2V6
Montigo Del Ray Corp.
Ferndale, WA 98248
®
XG1500 - 071508