Montigo C34DV User Manual
Installation Operation & Maintenance Manual
Check local codes and read all instructions prior to installation.
C-Series DV Gas Fireplace
www.montigo.com
C34DV Indoor
C38DV Indoor
C38DV Indoor Shown
Warning:
Improper installation, adjustment, alteration, service or maintenance can cause
injury or property damage. Refer to this manual. For assistance or additional
information consult a qualied installer, service agency or the gas supplier.
Safety Notice:
Glass doors on gas replaces are extremely hot while the replace is on and remain
hot even after the replace has been turned off. Safety screens are available and
can reduce the risks of severe burns. Please keep children away from the replace
at all times.
For Your Safety:
Do not store or use gasoline or other ammable vapors and liquids in the
vicinity of this or any other appliance.
®
C US
Warning: If the infor-
mation in these instructions is not
followed exactly, a re or explosion
may result causing property damage, personal injury or death.
WHAT TO DO 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 re department.
Installation and service must be
performed by a qualied installer,
service agency or the gas supplier.
• Installer: Leave this manual
with the appliance.
• Consumer: Retain this
manual for future reference.
XG0170 Canadian Heating Products Inc. Langley, BC V4W 4A Montigo Del Ray Corp. Ferndale, WA 98248 080610
C-Series DV Gas Fireplace
Warning:
Read this manual before installing, operating or troubleshooting this
appliance. Please retain this owner's manual for future reference.
Congratulations!
Congratulations on selecting a Montigo gas replace, an elagent
and well designed gas replace built to your specications. The
Montigo gas replace you have selected is designed to provide
the utmost in safety, reliability, and engineering standards.
As the owner of this new replace, you'll want to read and carefully follow all the instructions contained in this Installation,
Operations and Maintenance manual. Pay special attention to all
cautions, warnings, and Important warnings.
This owner's manual should be retained for future reference. We
suggest that you keep it with all your other important documents
and product manuals.
The information contained in this owner's manual, unless noted
otherwise, applies to all models, and gas control systems.
Your new Montigo gas replace will give you years of durable,
reliable use. Welcome to the Montigo family of gas replace
products.
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: Used to address practices not related to personal injury.
• Important: Used to address practices not related to personal injury.
Table Of Contents
Congratulations
Safety Alert Key
Introduction ..............................................................................3
Installation
Installing and Framing the Fireplace .............................. 4
Installing the Gasline ...................................................... 5
The Remote Switch ........................................................ 6
Direct Vent Installation ................................................... 5
General Venting Requirements .........................5
Terminations ...................................................... 6
Top Vent Venting Runs ................................7 - 9
Rear Vent Venting Runs ........................... 10 - 11
Finishing around the replace
Facing .............................................................. 12
Mantels and Surrounds ................................... 12
Wiring .................................................................. 13 - 14
Installing Optional Fans................................................ 13
Removing and Installing the Door ................................ 15
Installing the Horizontal Trim ........................................15
Positioning the Logset .................................................. 16
Operation ..................................................................17 - 20
Maintenance ....................................................................20 - 22
Spare Parts ................................................................. 22
Warranty ................................................................................. 23
Appendix
A. Termination Locations .............................................. 24
B State of Massachusetts / Amendment .................... 25
Notes ..................................................................................... 26
Page 2
Part No. XG0170 - 080610
Introduction
C-Series DV Gas Fireplace
Thank You for choosing a Montigo Gas Fireplace.
About this Fireplace:
The C-Series DV is a dual burner replace with glowing embers and
ve piece ceramic bre logset. The replace is available in two models,
and in top or rear vent for each model.
Standard Log Set
The C34DV is rated for Natural Gas at 20,000 BTU/H (5.86
Kilowatts) Input or Propane at 20,000 BTU/H (5.86 Kilowatts) Input.
Q C34DT; Top Vent, Millivolt Pilot.
Q C34DR; Rear Vent, Millivolt Pilot.
Q C34DT-I; Top Vent, Intermittent Pilot (HSI).
Q C34DR-I; Rear Vent, Intermittent Pilot (HSI).
Q C34DT-F; Top Vent, Electronic Ignition (IPI).
Q C34DR-F; Rear Vent, Electronic Ignition (IPI).
Standard Log Set
The C38DV is rated for Natural Gas at 25,000 BTU/H (7.32
Kilowatts) Input or Propane at 25,000 BTU/H (7.32 Kilowatts) Input.
Q C38DT; Top Vent, Millivolt Pilot.
Q C38DR; Rear Vent, Millivolt Pilot.
Q C38DT-I; Top Vent, Intermittent Pilot (HSI).
Q C38DR-I; Rear Vent, Intermittent Pilot (HSI).
Q C38DT-F; Top Vent, Electronic Ignition (IPI).
Q C38DR-F; Rear Vent, Electronic Ignition (IPI).
Warranty and Installation Information:
The Montigo warranty will be voided by, and Montigo disclaims any
responsibility for, the following actions:
Q Modication of the replace and/or components including Direct-
Vent assembly or glass doors.
Q Use of any component part not manufactured or approved by
Montigo in combination with this Montigo replace system.
Q 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.
Installations in Canada must conform to the current CAN/CGA B-149.1
and .2 Gas Installation Code and local regulations. If the optional air-
circulating fan kit is installed, it must be electrically grounded in accordance
with CSA C22.1 Canadian Electrical Code Part 1 and/or Local Codes.
Installations in the USA must conform to local codes, or in the absence
of local codes to the National Fuel Gas Code, ANSI Z223.1-1988. If the
optional air-circulating fan is installed, it must be grounded in accordance
with local codes or, in the absence of local codes, with the National
Electrical Code, ANSI/NFPA 70-1987. See Appendix B for installation
within the State of Massachusetts.accordance with local codes or, in
the absence of local codes, with the National Electrical Code, ANSI/
NFPA 70-1987.
See Appendix B for installation within the State of Massachusetts.
How to use this manual:
This manual covers installation, operation and maintenance. Lighting,
operation and care of this replace can be easily performed by the
homeowner. However, all installation and service work should be
performed by a qualied or licensed installer, plumber, or gastter who
is qualied or licensed by the state, province, region, or governing body
in which the appliance is being installed.
This manual covers all models and unless otherwise specied, the
designation C-Series DV refers to all models. Sections which are
specic to a particular model are marked with a symbol, plus the
appropriate model number.
WARNING
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
CAUTION!
Due to its high operating temperatures, the 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.
Part No. XG0170 - 080610
Page 3
C-Series DV Gas Fireplace
M
N
O
Installation
Installing and Framing the Fireplace
The replace may be installed in any location that maintains proper clearances to air conditioning ducts, electrical wiring and plumbing. Safety,
as well as efciency of operation, must be considered when selecting
the replace location. Try to select a location that does not interfere
with room trafc, has adequate ventilation, and offers an accessible
pathway for Direct Vent installation. Refer to page 4 - Vent Installation
for more information.
The replace dimensions are shown below:
Top View
Front View Side View
Figure 1. Fireplace dimensions.
Framing
* When sheetrock is
not used behind the
fireplace, framing
depth may be reduced
by 5/8"
M
O
N
Figure 2. Framing dimensions.
Q
2" clearance
to corners only
N
P
Figure 3. Minimum Corner framing dimensions, using a 45° elbow.
When installing a shelf over the top of the replace, the following
guidelines must be adhered to: For Rear Vent applications the
minimum clearance from the top of the replace to a shelf is 6 1/2". For
Top Vent applications, the minimum clearance is 13 1/2". (Minimum
2" clearance must still be maintained around the vent pipes.)
A B C D E F G H I J K L
3
4 31
C34-DV 33
C38-DV 37
/
3
/
4 34
C42-DV 42 38
1
2 31 1
/
1
2 34
/
3
/
4 38
3
3
4 1
/
/
4 1
1
4 18 1
/
1
4 21 1
/
1
1
/
4 24
/
2 11 6
3
3
4 21
4 8 5 8 25
/
/
11
7
1
15
8 24
8 9 5 8 28
/
/
3
7
/
8 10
1
/
4 58 32
/
4 27
1
4
/
3
8
/
1
/
2
Clearances
These clearances apply to all dimensions except the framed opening,
where the clearance to combustibles is 0". The C-Series DV clearances
to combustible materials are:
C34-DV C38-DV
Top - Rear Vent *
Top - Top Vent
Back
Sides
Floor
Mantle**
* Clearance from the top of the replace to a combustible ceiling
within the replace enclosure.
** Refer to graph and requirements on Page 11.
Unprotected combustible walls which are perpendicular to the replace
opening, must not project beyond the shaded area shown in Figure 25.
For protection against freezing temperatures, it is recommended that
outer walls of the chase be insulated with a vapor barrier. This will reduce
the possibility of a cold-air convection current on the replace.
6 1/2" 6 1/2"
13 1/2" 13 1/2"
0" 1"
1" 0"
0" 0"
6" 8"
Framing/ Header
Framing / Header,
6 1/2
L
Rear Vent
shelf
S
(On Applicable Models)
M
MEL Short
90 elbow
T
shelf
13 1/2
Top Vent
Figure 4. Framing for shelves over the fireplace.
M N O P Q R T
3
/
C34-DV 36
C38-DV 39
4 33 14
3
/
4 37 17
C42-DV 44 41
1
/
2 50 35
5
/
1
/
8 56 39
4 18 61
3
/
8 43
3
/
8 30
5
/
8 33
3
/
8 37
3
/
8 39
3
/
8 42
5
/
8 47
WARNING!
When this appliance is installed directly on any combustible material other than wood ooring, it must be installed on a metal or
wood panel extending the full width and depth of the appliance.
M
7
/
8
7
/
8
1
/
8
Page 4
Part No. XG0170 - 080610
Installation
Installing The Gas Line
The gas line must be installed before nishing the C-Series DV Fireplace.
Natural Gas requires a minimum inlet gas supply pressure of 5.5" W.C.
& a manifold pressure of 3.5" W.C. Propane Gas requires a minimum
inlet gas supply pressure of 11" W.C. & a manifold pressure of 10" W.C.
Provision must also be made for a 1/8" N.P.T. plugged tapping and be
accessible for test gauge connection immediately upstream of the gas
supply controls to the appliance. The replace gas connection and the
main operating gas valve is located behind the removable trim at the
bottom of the unit and need only be attached to the gas line with an
approved tting, as required by the applicable installation codes.
• Only use gas shut-off valves approved for use by the state, province,
region, or governing body, in which the appliance is being installed, or
as required by the applicable installation codes.
• Flexible gas connectors must not exceed 3 feet in length, unless it is
allowable within applicable installation codes.
C-Series DV Gas Fireplace
Q All joints must be secured with a minimum of two screws per joint
Q Vent terminations must not be recessed in walls or siding
Q Horizontal runs must be supported by a minimum of two supports per horizontal
run. A minimum of one screw on each side of support is also required
Q Flex vent sections may be stretched up to 50% of their total length (eg. a
24" section may be stretched to 36")
Q Maximum horizontal run for a flex section with no vertical rise is 3 feet.
Q Flex vent sections over 3 feet must fall within the limits set by the venting
graph and must have a minimum vertical rise of 3 inches per foot of flex.
Q Solid vent sections may be cut less than half way from the female end
Q Venting components can be used in any combination of solid/rigid pipe or
flex pipe and in any orientation (Male connectors can face in any direction)
Vent Terminations
Selecting A Termination Location
Choosing your vent termination location will help to determine whether
you need to use a top vent or rear vent replace. Figure 6, below, shows
typical replace locations and the venting options they provide.
For a more detailed diagram of allowed termination locations, see Ap-
pendix A.
Figure 5. Gas line access.
The appliance and its individual shut-off valve must be disconnected
from the gas supply piping system during any pressure testing of that
system at test pressures in excess of 1/2 psig (3.5 kPa).
The appliance must be isolated from the gas supply piping system by
closing its individual manual shut-off valve during any pressure testing
of the gas supply piping system at test pressures equal to or less than
1/2 psig (3.5 kPa).
Note: After gas line is connected, each appliance connection,
valve and valve train must be checked while under normal
operating pressure with either a liquid solution, or leak
detection device, to locate any source of leak. Tighten
any areas where bubbling appears or leak is detected until
bubbling stops completely or leak is no longer detected.
DO NOT use a flame of any kind to test for leaks.
Vent Installation
This section covers the installation of direct venting and terminations.
Installation Requirements
Q
C-Series DV fireplaces are certified for use with Montigo Premium Series
(5"/8") venting components. The C-Series DV Top Vent may be used with
the Montigo Standard Series (4"/7") components on vertical vent runs only.
Q Minimum 1" clearance to combustibles around the vent pipe.
Q Use only certified Montigo vent components. (Use of other parts will void
the Montigo warranty, and may impede the operation of the fireplace.)
Part No. XG0170 - 080610
Figure 6. Fireplace locations and vent terminations.
CAUTIONS!
Vent terminations can be very hot. If the termination is less than 7 feet
above a public walkway, it should be tted with a certied Montigo
Heat Guard. (Part no. PTKOG).
Do not obstruct, or attempt to conceal the vent termination.
These actions will affect the operation of the replace, and may
be hazardous.
In heavy snow areas, take extra care to prevent snow buildup
from obstructing the vent termination.
Use Montigo Vinyl Heat Shield (Part no. VSS) when using on
applications with vinyl siding to guard against possible damage.
Page 5
C-Series DV Gas Fireplace
12
12
11
11
1212
12
Installation
Installing Terminations with Built-In Frames
MTO-3F (4"/7")
PTO-3F (5"/8")
1. Frame the termination opening to 11" x 11".
2. Fasten the termination to the studs using a minimum of 4
screws.
Installing Terminations with MSR Frames
MSR
MTO-3 (4"/7")
PTO-3 (5"/8")
1. Frame the termination opening to 12" x 12".
2. Fasten the termination to the studs using a minimum of 4 screws.
Installing Terminations with MOSR Frames
MOSR
Installing Heat Guards over Terminations
MTKOG (4"/7")
PTKOG (5"/8")
1. Ensure that the two long mounting brackets are facing the bottom
of the termination. (See inset). This will provide more heat protection
at the top of the termination, where temperatures are highest.
2. Attach to the faceplate of the termination using four sheet metal
screws.
Installing The Remote Switch
The C-Series DV's gas valve, located behind the lower trim, may be
connected to a wall switch. The valve will either generates its own power
on a millivolt circuit or draws its power from an AC connection inside
the replace, depending on the model of your unit. Use only low voltage
wire, and DO NOT connect any external power to the remote switch.
Refer to Figures 26 & 27 for wiring requirements.
Note: The switch location must not exceed 30' from the replace.
Heat Shields
Due to high ue temperatures, heat shields are required on all C Series
DV installations (except those with vertical terminations) at the point
where the venting connects to the termination. With the heat shield,
vent clearances can be maintained at 1”.
MTO-3 (4"/7")
PTO-3 (5"/8")
1. Frame the termination opening to 12" x 12".
2. Fasten the MOSR frame to the interior side of the studs using a
minimum of 4 screws.
3. Insert the termination into the MOSR frame as shown here, and
attach by screwing through the four pilot holes in the termination.
Page 6
1 MIN
1 MIN. Both
sides Typical
RHS8 Heat
Shield
1 MIN
Figure 8. Heat Shield. Install by sliding over the vent pipe where it
passes through combustible construction.
Part No. XG0170 - 080610
Installation
C-Series DV Gas Fireplace
Top Vent Venting Runs
For the C-Series DV Top Vent, there are two types of installations:
A) Through-The-Wall Installations and B) Vertical (Through-The-Roof)
Installations.
A) Through-The-Wall Installations
Before you install any venting, you must determine whether the venting
run will be acceptable. Unacceptable venting can affect the replace's
combustion.
The Venting Graph
Measure the vertical height from the replace hearth to the centre of
the termination and the horizontal run from the from the replace ue
collar to the wall ange of the termination. Plot on the Venting Graph
(Fig. 9) with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
C-Series DV
Example A: (Acceptable Installation)
If the vertical dimension from the hearth is 84" and the horizontal run to
the wall flange of the vent termination is 30", this would be an acceptable
installation.
Example B: (Acceptable Installation)
If the vertical dimension from the hearth is 108" and the horizontal run to
the wall flange of the vent termination is 120", this would be an acceptable installation.
Example C: (Unacceptable Installation)
If the vertical dimension from the floor of the fireplace is 72" and the
horizontal run to the wall flange of the vent termination is 84", this would
NOT be an acceptable installation.
C-Series DV
Installation of Rear Vent DV
The following venting components are available for the Rear Vent
installation:
5" / 8" Venting
A - Termination PTO-3 (3" Length)
B - Stucco Kits MSR (Stucco Frame)
C - Flex Sections PFL-1 (12" Section)
D - Rigid
Sections
E - Elbows PEL-90MM (m/m 90° Elbow)
NOTES: All dimension lengths for vertical or horizontal runs are
measured from centre of the vent pipe. Venting runs must
fall within the limits set by the venting graph (see Figure 9).
PTO-3F (3" Length)
MOSR (Stucco Can)
BSR ( Brick Can)
PFL-2 (24" Section)
PFL-3 (36" Section)
PFL-4 (48" Section)
PEXT-1 (12" m/f Section)
PEXT-2 (24" m/f Section)
PEXT-3 (36" m/f Section)
PEXT-4 (48" m/f Section)
PEL-90FF (f/f 90° Elbow)
PEL-90FM (f/m 90° Elbow)
B
A
C
C34 39 7/8”
C38 42 7/8”
18
”
Figure 9. C34-DV, C38-DV Top Vent Venting Graph
Part No. XG0170 - 080610
Page 7
C-Series DV Gas Fireplace
Installation
Example 1:
For our shortest venting conguration use components A and E (see
table on page 6).
PEL-90F/F Elbow
PEL
Figure 10. Typical Top Vent installation. If the 90° elbow is installed
directly on the fireplace, for height to the center of the
termination see chart on page 4.
Figure 12. Extended Installation using a combination of solid and flex
venting. Use the vent graph to determine your allowable
run, then select appropriate components.
Horizontal Venting
90° Elbow
Termination
PEXT Section
Figure 11. Typical Top Vent installation. The solid sections can be used in
various combinations to obtain the desired vent run. The vent
run must fall within the limits set by the venting graph.
Example 2:
Rigid sections and an elbow used in conjunction with 3 ft. ex section
(MFL-3) will, when extended in a ve foot chase, allow for a maximum
horizontal run of twelve and one-half feet from the centre of the replace
to outside wall and a minimum of 7'6" when retracted in opposite direction
(see Figure 12 & 13).
"C" ex sections and "D" rigid sections may be used in conjunction with
one another to obtain different possible horizontal length installations,
Figure 13.
NOTE: Flex section with no vertical rise must not exceed maximum
horizontal length of 3 feet (see Figure 14). Flex runs over 3 feet must
fall within the limits set by the venting graph, and must have a minimum
vertical rise of 3" per foot of ex.
Page 8
Figure 13. Retracted Installation using a combination of solid and flex
venting. Use the vent graph to determine your allowable
run, then select appropriate components.
36” max.
Flex Section
Termination
Hearth
Exterior
Wall
Figure 14. Horizontal flex installation with no vertical rise.
Part No. XG0170 - 080610
Installation
C-Series DV Gas Fireplace
B. Vertical (Through-The-Roof) Installations
Vertical rise > 12' can be reduced
Vertical Terminations must be installed:
• minimum 2' (two feet) above the highest point where vent
passes through the roof.
• minimum 6' (six feet) from a mechanical air inlet
• minimum 18" (1 1/2 feet) from a parapet wall.
Maximum vent height is 32 feet above replace.
Note: Flame characteristics will change if the maximum vent height
is used.
Minimum clearances 1" from vent to all combustible materials must
be maintained.
4" / 7" Venting 5" / 8" Venting
A - Termination MVTK-1 PVTK-1
B - Flex Sections MFL-1 (12" Section)
C - Rigid Sections MEXT-1 (12" m/f Section)
D - Support Ring
& Plate
E - Firestop FS-8 PS-8
F - Roof Flashing MRF-7 (1/12 - 7/12 pt.)
G - Adaptor / Vent
Reducer
MFL-2 (24" Section)
MFL-3 (36" Section)
MFL-4 (48" Section)
MEXT-2 (24" m/f Section)
MEXT-3 (36" m/f Section)
MEXT-4 (48" m/f Section)
MSPXT-8 PSPXT-8
MRF-12 (7/12 - 12/12 pt.)
PFL-1 (12" Section)
PFL-2 (24" Section)
PFL-3 (36" Section)
PFL-4 (48" Section)
PEXT-1 (12" m/f Section)
PEXT-2 (24" m/f Section)
PEXT-3 (36" m/f Section)
PEXT-4 (48" m/f Section)
PRF-7 (1/12 - 7/12 pt.)
PRF-7 (7/12 - 12/12 pt.)
PVA5487 (5"/8" to 4"/7")
A maximum of two offsets (each offset has two 90° bends) may be
made and shall not exceed total length of 25% of the vertical vent
height, when measured center to center of piping.
Example: Typical vent installation.
20' vertical vent
2 - 2' offsets required
25% of 20' = 5' max. offset allowed
This venting conguration meets requirements.
Figure 16. Vertical venting with 1 offset (1 offset= two 90° bends).
MEXT/PEXT
MEXT/PEXT
MXT-10/PXT-10
Figure 15. Straight, vertical venting showing required PXT-10 adaptor
(supplied with the PVTK-1 termination).
Part No. XG0170 - 080610
Figure 17. Vertical venting with 2 offsets (1 offset= two 90° bends).
Page 9
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