Montigo L52DF-ST, L52DF-STN, L52DF-STN-F, L52FDF-STL-F Maintance Manual
Installation & Maintenance Manual
High voltage
Toxic
Flammable materials
Corrosive
Fork lift trucks
Danger overhead crane
Explosion risk
Blank
High voltage
Toxic
Flammable materials
Corrosive
Fork lift trucks
Danger overhead crane
Explosion risk
Blank
High voltage
Toxic
Flammable materials
Corrosive
Fork lift trucks
Danger overhead crane
Explosion risk
Blank
High voltage
Toxic
Flammable materials
Corrosive
Fork lift trucks
Danger overhead crane
Explosion risk
Blank
L52DF-ST Indoor
L-Series
Residential
Fireplace
DANGER
Read and understand this manual. Improper installation, adjustment, alteration,
service or maintenance can cause serious injury, property damage or even death.
For assistance or additional information consult a qualified installer, service
agency or the gas supplier.
CAUTION
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.
®
C US
WARNING
Do not store or use gasoline or any other flammable vapors and liquids in the vicinity of
this or any other gas burning appliance. A fire or explosion my occur causing serious
injury, property damage or even death.
NOTICE
Installer: Leave this manual with the appliance. Do not remove.
Consumer: Retain this manual for maintenance and future reference. Do not Discard.
DANGER
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.
XG0811 100511.1
Canadian Heating Products Inc. Langley, BC V4W 4A1 | Montigo Del Ray Corp. Ferndale, WA 98248
L52DF-ST* Indoor Gas Fireplace
Table of Contents
Safety Alert Key
Introduction ............................................................................... 3
Models............................................................................ 3
Installation
Before you Start ............................................................. 4
Installation Checklist ......................................................4
Section 1: Installation Overview and Product Dimensions ......5
Section 2: Framing the Fireplace ........................................6 - 7
Clearances ........................................................ 7
Section 3: The Direct Vent System ...................................8 - 14
Section 3-2: Installing a Roof mounted Termination 8 - 9
▪ Section 3-2-1: Venting Layout .................................8 - 9
▪ Roof mounted Terminations
Standard Top Vent (no elbows or offsets)............. 8
Top Vent (two elbows one offset) ......................... 8
Top Vent (multi-elbows and offsets) ..................... 9
Section 3-3: Installing a Wall mounted Termination .... 10
▪ Standard PTO Installation .................................... 10
▪ Pre-installed MSR Frame .................................... 10
▪ Pre-installed BSR Frame .....................................10
▪ Installing MOSR Frame ....................................... 10
▪ Installing VSS Termination Shield ......................... 10
▪ Installing PTKOG Heat Guard .............................. 10
▪ Section 3-3-1: Venting Layout ............................ 11 - 14
▪ Top Vent, Wall mounted Graph ............................. 11
▪ Top Vent, Wall mounted termination (one elbow) .... 11
▪ Top Vent, Wall mounted termination (multi elbow) ... 11
▪ Top Vent, Wall mounted termination
(Retracted multi elbow) ............................................
▪ Section 3-2-2: Venting Components ...........................13
▪ Installing a RHS8 Wall Mounted Heat Shield .........14
▪ Installing a RHS101 Wall Mounted Heat Shield ......14
12
Section 4: Wiring ................................................................... 15
▪ SIT Proame gas control and pilot ....................... 15
▪ SIT Nova 820 gas control and pilot....................... 15
▪ Installing On/Off Wall Switch ...............................15
Section 5: Installing the Gas Line .......................................... 16
Section 5-1: Fuel Conversion ........................................ 16
Section 5-2: Gas Pressure ............................................ 16
Section 5-3: Gas Connection......................................... 16
Section 6: Finishing ............................................................... 17
▪ Finishing around the replace .................................. 17
Section 7: Installing and Removing the Door ........................ 18
Section 8: Installing the Accessories ..................................... 19
▪ Installing the Firestones ..........................................19
▪ Installing the optional Cultured Rocks ....................... 19
Section 9: Operation .......................................................20 - 21
▪ Start-up Sequence with Continuous Pilot .................. 20
▪ Start-up Sequence with Continuous Pilot .................. 21
Maintenance ...................................................................22 - 24
▪ General ................................................................. 22
▪ Cleaning ................................................................22
▪ SIT Hi-Lo Burner Adjustment ................................... 22
▪ SIT Pilot Burner Adjustment .................................... 22
▪ Troubleshooting ......................................................23
SIT- Nova 820 Gas Control Valve .......................23
IPI System Gas Control Valve .......................... 23
▪ Parts List .............................................................. 24
Appendix
A. Termination Locations .......................................... 25
B. Warranty ............................................................ 26
C. State of Massachusetts. ......................................27
Page 2
XG0811 -100511.1
L52DF-ST* Indoor Gas Fireplace
High voltage
Toxic
Flammable materials
Corrosive
Fork lift trucks
Danger overhead crane
Explosion risk
Blank
Safety Alert Key
DANGER WARNING
Indicates a hazardous situation which, if not
avoided, WILL result in death or serious
injury or property damage.
CAUTION NOTICE
Indicates a hazardous situation which, if not
avoided, WILL result in minor or moderate
injury.
Introduction
INTRODUCTION
Congratulations on your purchase of a Montigo Fireplace.
With over 30 years of experience, Montigo is committed to providing
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
instructions laid out in this Installation, Operation and Maintenance
Manual and retain it for your future reference. Pay special attention
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 qualied or licensed installer, plumber
or gastter as certied by the state, province, region or governing
body where the replace is being installed.
Indicates a hazardous situation which, if not
avoided, COULD result in death or serious
injury or property damage.
Addresses practices that are important, but
not related to personal injury
This installation, operation and maintenance manual is applicable
to the models described below. Refer to your rating plate to
verify included options. Throughout this manual instructions
are applicable to all models designated as L52DF-ST* unless
otherwise noted.
MODEL
L52DF-STN X 40,000 X X
L52DF-STL X 40,000 X X
L52DF-STN-F X 40,000 X X
L52FDF-STL-F X 40,000 X X
Natural Gas
Liquid Propane
Gas Rating
(BTU hr)
Linear Burner w/
Glass Accessories
Standard Pilot
Ignition
SIT Electronic
Ignition
XG0811 -100511.1
WARNING
Hot glass will cause
burns. Do not touch
glass until unit is cooled.
Never allow children to
touch glass.
Warranty and Installation Information
The Montigo warranty will be voided by, and Montigo disclaims any
responsibility for, the following actions:
► Modication of the replace and/or components including DirectVent 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 qualied contractor.
: (See Appendix B)
Page 3
L52DF-ST* Indoor Gas Fireplace
surfaces.
Installation
IMPORTANT MESSAGE: SAVE THESE INSTRUCTIONS
The L52DF-ST* 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 for a permit
prior to starting the installation. It is 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 5, and refer to the Framing
Section 2 for details.
Select the location of your termination and resulting vent run.
Your selected termination location must be the highest point
in the Direct Vent installation.
Should it be impossible to meet the venting requirements laid
out in Section 3: Venting, please contact your local Montigo
representative regarding the use of a Montigo Power Vent.
Lay out the Vent run; calculating the required elbows and straight
runs of 5"/8" flex or rigid pipe.
Layout Electrical Requirements Refer to Section 4: Wiring, for
Details.
Refer to Section 5: Installing the Gas Line, for details on the
gas connection and access.
Refer to local codes and guidelines for installation requirements.
Installation and repairs should be done by a qualied
contractor and must conform to:
CAUTION
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.
Young children should be carefully supervised when they are in the same room as the
appliance.
Clothing or other flammable materials should not be placed on or near the appliance.
DANGER
When this appliance is installed directly on any combustible material other than 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.
• Installations in Canada must conform to the local codes or in the
absence of local codes to the current version of Natural Gas 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, CSA C22.1.1
• Installations in the USA must conform to the local codes or in the
absence of local codes to the current version of National Fuel Gas
Code, ANSI Z223.1/NFPA 54. Electrical Installations must conform to
the local codes or, in the absence of local codes, to the current version of the National Electrical Code, ANSI/NFPA 70. See Appendix
C for installation within the State of Massachusetts.
CAUTION
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
Page 4
XG0811 -100511.1
Installation
Section 1: Installation Overview and Product Dimensions
L52DF-ST* Indoor Gas Fireplace
Please review the Installation Checklist on Page 4 for general information on preparing for a successful installation of your replace.
The L52DF-ST* replace may be installed in any location that
maintains proper clearances to air conditioning ducts, electrical wiring
The replace dimensions are shown below:
7 9/16”
33 1/4”
5 1/4”
Front View
and plumbing. Safety, as well as efciency of operation, should be
considered when selecting the replace location. Select a location
that does not interfere with room trafc, has adequate ventilation and
offers an accessible path for Direct Vent installation.
20 3/8”
47”
52”
12”
58”
5”
52”
Top View
8”
33 1/4”
Figure 1. Fireplace dimensions. (Tolerance ± ⅛").
23 7/8”
34 1/2”
Side View
XG0811 -100511.1
Page 5
L52DF-ST* Indoor Gas Fireplace
-
C
Installation
Section 2: Framing
Frame in the enclosure for the unit with framing materials. The framed
opening for the assembled replace is 59" wide x 39" high x 23 3/4"
deep, see Figure 2.
Shelf
Header
NOTE: When constructing the framed opening, please ensure there is
access to install the gas line when the unit is installed. See Figure 17.
59”
39”
23 3/4“
Figure 2. Framing dimensions. Both walls typical.
Back-framing the unit
1). Slide the replace into the cavity.
2). Tack four studs in place, shown in Figure 2 and 3 as dashed lines.
3). Secure the replace in position by nailing into these cleats.
Elbow
30”
39”
Figure 4. Framing for shelves over the fireplace, Top Vent
(Combustible materials).
84”
Min.
Top vent
N.G. & L.P
ombustible
Header
39”
Min. 1”
Ceiling
Alcove over
Fireplace Non
Combustible
Materials Only
Non
Combustible
7”
door
opening
Header
10”
33 1/4”
59”
Figure 3. Securing the replace to the framing cleats,
both walls typical.
Page 6
Floor
Figure 5. Non Combustible Framing with alcove above replace, side
view shown.
XG0811 -100511.1
Installation
Clearances to Combustibles
1” clearance is maintained on sides and bottom of vent runs and 2”
above horizontal vent runs to any combustible material.
Sides
Floor
MODEL
L52DF-ST* 30" 1" 0" 4"
† NOTE: Clearance from top of replace to a combustible ceiling
within the replace enclosure.
When installing a shelf over the top of the replaces, the minimum
clearance is 30" to the underside of any combustible shelf materials.
Top - Top vent †
Mantel
L52DF-ST* Indoor Gas Fireplace
XG0811 -100511.1
Page 7
L52DF-ST* Indoor Gas Fireplace
Installation
Section 3: Venting
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 termination is the highest point or
should it be impossible to meet the venting guidelines laid out below
please contact your Montigo dealer to discuss power venting options.
NOTES FOR PLANNING VENTING:
Venting can terminate through the roof or through an
exterior wall.
Refer to Appendix 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.
Section 3-2: INSTALLING A ROOF MOUNTED DIRECT VENT
TERMINATION (PVTK-1)
This section applies to installations where the direct vent termination will be roof mounted.
Roof mounted Terminations
The following details are some possible congurations for Roof
mounted terminations.
PVTK1 Termination
PEXT
PEXT-10
Adaptor
Flue
Collar
Figure 6. Top vent, Roof mounted termination with no offset in vent
run.
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 roong 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 roong materials. (see Figures 7 to 7b).
Termination location must be a minimum 6’ from a mechanical
air inlet.
Termination location must be a minimum 18” from a parapet
wall.
For a more detailed diagram of allowed termination locations,
see Appendix A.
A maximum of two offsets (each offset is made up of two 90°
bends) may be made.
Firestops must be installed as required by National & local
codes.
Ensure all runs are supported with a minimum of 3 supports
per 10’ of venting.
Install all roof ashing and storm collars as shown.
PVTK1 Termination
Figure 6a. Top vent, Roof mounted with 1 offset
(1 offset= two 90° bends).
Page 8
XG0811 -100511.1
PVTK1 Termination
L52DF-ST* Indoor Gas Fireplace
Installation
Figure 6b. Top vent, Roof mounted with 2 offsets
(1 offset= two 90° bends).
XG0811 -100511.1
Page 9
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