Majestic MDVI30IN User manual

1
Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
Installation Manual
Installation and Appliance Setup
INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
NOTICE: DO NOT discard this manual!
In the Commonwealth of Massachusetts installation must be
performed by a licensed plumber or gas fitter.
See Table of Contents for location of additional Commonwealth
of Massachusetts requirements.
Models: MDVI30IN
MDVI35IN
MDVI30IL
MDVI35IL
This appliance may be installed as an OEM
installation in manufactured home (USA
only) or mobile home and must be installed
in accordance with the manufacturer’s
instructions and the Manufactured Home
Construction and Safety Standard, Title 24
CFR, Part 3280 in the United States, or the
Standard for Installation in Mobile Homes,
CAN/CSA Z240 MH Series, in Canada.
This appliance is only for use with the type(s)
of gas indicated on the rating plate. This
appliance is not convertible for use with other
gases, unless a certified kit is used.
• DO NOT store or use gasoline or other flam-
mable vapors and liquids in the vicinity of this
or any other appliance.
• 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.
- Leave the building immediately.
- Immediately call your gas supplier from
a neighbor’s phone. Follow the gas sup-
plier’s instructions.
- If you cannot reach your gas supplier, call
the fire department.
• Installation and service must be performed
by a qualified installer, service agency, or the
gas supplier.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
DANGER
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
A barrier designed to reduce the risk of
burns from the hot viewing glass is provided
with this appliance and shall be installed for
the protection of children and other at-risk
individuals.
RUBY
SERIES

2Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
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.
Table of Contents
Installation Standard Work Checklist. . . . . . . . . . . . . . . . . . . . 3
1 Product Specific and Important Safety Information
A. Appliance Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
B. Glass Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
C. BTU Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . . 4
E. Non-Combustible Materials Specification. . . . . . . . . . . . . . 4
F. Combustible Materials Specification . . . . . . . . . . . . . . . . . 4
G. Electrical Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Getting Started
A. Design and Installation Considerations . . . . . . . . . . . . . . . 5
B. Tools and Supplies Needed . . . . . . . . . . . . . . . . . . . . . . . . 5
C. Inspect Appliance and Components. . . . . . . . . . . . . . . . . . 5
3 Framing and Clearances
A. Appliance/Decorative Front Dimension Diagram . . . . . . . . 6
4 Fireplace Size Requirements
A. Minimum Fireplace Opening . . . . . . . . . . . . . . . . . . . . . . . 8
B. Mantel and Wall Projections. . . . . . . . . . . . . . . . . . . . . . . 10
5 Termination Location and Vent Information
A. Vent Termination Minimum Clearances . . . . . . . . . . . . . . 11
6 Installation Preparation
A. Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
B. Flue Damper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
C. Gas Line. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
D. Fireplace Conversion Notice . . . . . . . . . . . . . . . . . . . . . . 12
E. Electrical Outlet Box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
F. Remote Control Configuration . . . . . . . . . . . . . . . . . . . . . 12
7 Installing Vent Pipe and Appliance
A. Vent Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
B. Venting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
C. Connecting Vent Pipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
D. Placing, Securing and Leveling the Appliance . . . . . . . . . 15
E. Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
F. Installing Adaptor and Termination Cap . . . . . . . . . . . . . . 16
8 Electrical Information
A. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
B. Wiring Requirements - IntellifireTM Plus Ignition
System Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
C. Optional Accessories Requirements . . . . . . . . . . . . . . . . 19
9 Gas Information
A. Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
B. Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
C. Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . 20
E. Air Shutter Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10 Finishing
A. Mantel and Wall Projections. . . . . . . . . . . . . . . . . . . . . . . 22
11 Appliance Setup
A. Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
B. Remove the Shipping Materials . . . . . . . . . . . . . . . . . . . . 23
C. Clean the Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
D. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
E. Place the Lava Rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
F. Ember Placement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
G. Install the Log Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . 25
H. Install Decorative Front/Surround. . . . . . . . . . . . . . . . . . . 31
12 Reference Materials
A. Vent Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
B. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
= Contains updated information.



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Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
Installation Standard Work Checklist
Customer:
Lot/Address:
Model (circle one): MDVI30IN MDVI35IN
MDVI30IL MDVI35IL
Date Installed:
Location of Fireplace:
Installer:
Dealer/Distributor Phone #
Serial #:
Comments: Further description of the issues, who is responsible (Installer/ Builder/ Other Trades, etc) and corrective
action needed _____________________________________________________________________________________
_________________________________________________________________________________________________
_________________________________________________________________________________________________
Comments Communicated to party responsible ____________________ by ______________________on ___________
(Builder / Gen. Contractor/) (Installer) (Date)
Appliance Install YES IF NO, WHY?
Verify ¿replace is clean and remove/block open damper/modify
damper for vent pipe clearance (Pg. 12) . ___________________________
Appliance is leveled and secured. (Pg. 15) ___________________________
Venting/Chimney Section 7 (Pg. 13-17)
Exhaust stainless steel Àex is properly formed and routed through
existing ¿replace damper. ___________________________
Vent intake and exhaust liners are properly installed to the correct collars,
sealed and secured to top plate and to the termination cap. ___________________________
Exterior roof Àashing installed and sealed. ___________________________
Termination cap installed, secured and sealed to top plate. ___________________________
Electrical Section 8 (Pg. 18-19)
Unswitched power (110-120 VAC) provided to the appliance. ___________________________
Switch wires properly installed. ___________________________
Gas Section 9 (Pg. 20-21)
Proper appliance for fuel type. ___________________________
Was a conversion performed? ___________________________
Leak check performed and inlet pressure veri¿ed. ___________________________
Veri¿ed proper air shutter setting for installation type. ___________________________
Finishing Section 10 (Pg. 22)
Combustible materials not installed in non-combustible areas. ___________________________
Veri¿ed all clearances meet installation manual requirements. ___________________________
Mantels and wall projections comply with installation manual requirements. ___________________________
Appliance Setup Section 11 (Pg. 23-31)
All packaging and protective materials removed (inside & outside of appliance). ___________________________
Refractories, logs, media and embers installed correctly. ___________________________
Glass assembly installed and secured. ___________________________
Accessories installed properly. ___________________________
Surround or decorative front properly installed. ___________________________
Manual bag and all of its contents are removed from inside/under
the appliance and given to party responsible for use and operation. ___________________________
Fireplace warning plate is attached to the existing woodburning ¿replace. ___________________________
Remote control is programmed, functions veri¿ed using remote control ___________________________
instructions.
Started appliance and veri¿ed no gas leaks exist. ___________________________
2205-982 Rev. B 11/16
Î= Contains updated information.
Hearth & Home Technologies recommends the following:
• Photographing the installation and copying this checklist for your ¿le.
• That this checklist remain visible at all times on the appliance until the installation is complete.
This standard work checklist is to be used by the installer in conjunction with, not instead of, the instructions contained in this
installation manual.
WARNING! Risk of Fire or Explosion! Failure to install appliance according to these instructions could
lead to a ¿re or explosion.
ATTENTION INSTALLER:
Follow this Standard Work Checklist

4Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
A. Appliance Certification
E. Non-Combustible Materials Specification
Material which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in
a Vertical Tube Furnace at 750 ºC shall be considered
non-combustible materials.
F. Combustible Materials Specification
Materials made of or surfaced with wood, compressed pa-
per, plant fibers, plastics, or other material that can ignite
and burn, whether flame proofed or not, or plastered or
unplastered shall be considered combustible materials.
G. Electrical Codes
NOTICE: This appliance must be electrically wired
and grounded in accordance with local codes or, in the
absence of local codes, with National Electric Code
ANSI/NFPA 70-latest edition or the Canadian Electric
Code CSA C22.1.
• A 110-120 VAC circuit for this product must be pro-
tected with ground-fault circuit-interrupter protection,
in compliance with the applicable electrical codes,
when it is installed in locations such as in bathrooms
or near sinks.
1
1 Product Specific and Important Safety Information
This product is listed to ANSI standards for “Vented Gas
Fireplace Heaters” and applicable sections of “Gas Burn-
ing Heating Appliances for Manufactured Homes and
Recreational Vehicles”, and “Gas Fired Appliances for
Use at High Altitudes”.
Majestic gas inserts are designed for installations into solid
fuel masonry or factory built fireplaces that have been in-
stalled in accordance with the National, Provincial, State
and local building codes. Fireplaces are to be constructed
of non-combustible materials and, in the absence of local
or regional codes, meet criteria of NFPA 211. No additional
outside air source is required.
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
This appliance is tested and approved as either supplemen-
tal room heat or as a decorative appliance. It should not be
factored as primary heat in residential heating calculations.
NOTICE: This installation must conform with local codes.
In the absence of local codes you must comply with the
National Fuel Gas Code, ANSI Z223.1-latest edition in
the U.S.A. and the CAN/CGA B149 Installation Codes in
Canada.
B. Glass Specifications
This appliance is equipped with 5 mm ceramic glass. Re-
place glass only with 5 mm ceramic glass. Please contact
your dealer for replacement glass.
C. BTU Specifications
MODELS: MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Direct Vent Heater
STANDARD: ANSI Z21.88-2014 CSA 2.33-2014
Models
(U.S. or Canada)
Maximum
Input
BTU/h
Minimum
Input
BTU/h
Orifice
Size
(DMS)
MDVI30IN (NG)
US
(0-2000 FT) 30,500 17,000 #36
CANADA
(2000-4500 FT) 28,000 15,000 #37
MDVI30IL (LP)
US
(0-2000 FT) 27,500 14,500 #52
CANADA
(2000-4500 FT) 25,000 13,000 #53
MDVI35IN (NG)
US
(0-2000 FT) 35,000 19,500 #33
CANADA
(2000-4500 FT) 32,500 17,500 #34
MDVI35IL (LP)
US
(0-2000 FT) 31,500 16,500 #51
CANADA
(2000-4500 FT) 27,500 15,000 #52
D. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
When installing above 2000 feet elevation:
• In the USA: Reduce input rate 4% for each 1000 feet
above 2000 feet.
• In CANADA: Reduce input rate 10% for elevations
between 2000 feet and 4500 feet. Above 4500 feet,
consult local gas utility.
Check with your local gas utility to determine proper
orifice size.

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Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
2
2 Getting Started
C. Inspect Appliance and Components
• Carefully remove the appliance and components from
the packaging.
• The vent system components and decorative doors and
fronts may be shipped in separate packages.
• If packaged separately, the log set and appliance grate
must be installed.
• Report to your dealer any parts damaged in shipment,
particularly the condition of the glass.
•Read all of the instructions before starting the instal-
lation. Follow these instructions carefully during the
installation to ensure maximum safety and benefit.
WARNING! Risk of Fire or Explosion! Damaged parts
could impair safe operation. DO NOT install damaged, in-
complete or substitute components. Keep appliance dry.
Hearth & Home Technologies disclaims any responsibility for,
and the warranty will be voided by, the following actions:
• Installation and use of any damaged appliance or vent
system component.
• Modification of the appliance or vent system.
• Installation other than as instructed by Hearth & Home
Technologies.
• Improper positioning of the gas logs or the glass door.
• Installation and/or use of any component part not approved
by Hearth & Home Technologies.
Any such action may cause a fire hazard.
WARNING! Risk of Fire, Explosion or Electric Shock!
DO NOT use this appliance if any part has been under
water. Call a qualified service technician to inspect the
appliance and to replace any part of the control system
and/or gas control which has been under water.
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualified
service technician, service agency or your dealer.
B. Tools and Supplies Needed
Before beginning the installation be sure that the following
tools and building supplies are available.
Tape measure Pliers
Hammer Phillips screwdriver
Voltmeter Electric drill and bits (1/4 in.)
Gloves Safety glasses
Level Reciprocating saw
Manometer Flat blade screwdriver
Noncorrosive leak check solution
1/2 - 3/4 inch length, #6 or #8 Self-drilling screws
Caulking material (300ºF minimum continuous exposure
rating)
A. Design and Installation Considerations
Majestic gas inserts are designed for installations into
solid fuel masonry or UL127 listed factory built fireplaces.
No additional outside air source is required.
Installation MUST comply with local, regional, state and na-
tional codes and regulations. Consult insurance carrier, local
building inspector, fire officials or authorities having jurisdic-
tion over restrictions, installation inspection and permits.
Prior to installing the gas insert:
• Ensure chimney is constructed of non-combustible
materials.
• Ensure chimney is clean and in good working order.
• Ensure that all chimney cleanouts fit properly to prevent
air leakage into chimney.
• Ensure combustible mantel and surround clearances
comply with insert requirements.
• Ensure all joints are properly engaged and the chimney
is properly secured.
• Determine minimum fireplace size. See Section 4.A.
• Determine gas supply piping requirements.
• Determine electrical wiring requirements.
• Determine finishing details.
• Determine whether optional accessories—devices such
as a wall switch or remote control—are desired.
Installation and service of this
appliance should be performed
by qualified personnel. Hearth &
Home Technologies recommends
NFI certified professionals.


6Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
3
3 Framing and Clearances
A. Appliance/Decorative Front Dimension Diagram
Dimensions are actual appliance dimensions. Use for reference only. For framing dimensions and clearances refer to Section 4.
Figure 3.1 Appliance Dimensions
*Note: Location G on Figure 14.1 is measuring the appliance depth, for installation depth reference Location G on
Figure 5.2.
MODEL DIMENSIONS
Location MDVI35IN/IL MDVI30IN/IL
Inches Millimeters Inches Millimeters
A 23-7/16 595 20-3/16 513
B 34-5/8 879 30-5/8 778
C 31-5/8 803 27-1/2 699
D 15-11/16 398 12-3/16 310
E 24-1/16 611 20-7/16 519
F 21-1/8 537 17-5/8 448
G* 15-11/16 398 14-5/8 371
H 11-3/4 298 10-1/16 256
I 20-7/16 519 17 432
J 1-3/4 44 1-3/4 44
MODEL DIMENSIONS
Location MDVI35IN/IL MDVI30IN/IL
Inches Millimeters Inches Millimeters
K 4-13/16 122 4-13/16 122
L 10-1/16 256 9-1/8 232
M 2-7/16 62 2-7/16 62
N 5 127 4-1/16 103
O 5-1/8 130 5-1/8 130
P 8-15/16 227 8-15/16 227
Q 1-13/16 46 1-15/16 49
R 3-1/4 83 3-1/4 83
S 5-5/16 135 4-15/16 125
T 10-5/8 270 9-1/2 241
U 4-11/16 119 4-5/8 117
F
L
K
J
GAS LINE
ACCESS
C
D
E
U
I
N
M
ELECTRICAL
ACCESS
A
H
B
G
O
R
Q
P
S
T

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Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
Figure 3.2 Decorative Front Dimensions - CRDI30BK, CRDI30BZ, CRDI35BK, CRDI35BZ
DECORATIVE FRONTS
CRDI30BK
CRDI30BZ
CRDI35BK
CRDI35BZ
ABCD EFG
MDVI30IN/IL CRDI30BK
CRDI30BZ
in. 29 13-13/16 4-1/2 36 23-1/2 23 1/2
mm 737 351 114 914 597 584 13
MDVI35IN/IL CRDI35BK
CRDI35BZ
in. 31 15-13/16 4-1/2 37-15/16 25-1/2 25 1/2
mm 787 402 114 964 648 635 13
F
D
A
B
C
G
E

8Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
4
4 Fireplace Size Requirements
A. Minimum Fireplace Opening
Minimum fireplace opening requirements for a standard 3/4
inch deep surround are shown in Figure 4.2. For smaller
openings, an optional 1-1/2 inch deep surround is available
and dimensions are shown in Figure 4.3.
WARNING! Risk of Fire or Burns! Provide adequate
clearance around air openings and for service access.
Due to high temperatures, the appliance should be locat-
ed out of traffic and away from furniture and draperies.
• The firebrick (refractory), glass doors, screen rails, screen
mesh and log grates can be removed from a factory
built firebox in order to gain minimum gas insert opening
requirements.
• Any smoke shelves, shields and baffles may be removed
from the factory built firebox if attached with mechanical
fasteners.
• The metal floor of the solid fuel firebox may be removed
to facilitate the installation of the insert.
• Cutting of any sheet metal parts of the fireplace in which
the gas fireplace insert is to be installed is prohibited,
except the floor as tested for and as noted above and in
Figure 4.1.
• A minimum 1/2 inch gap from the bottom of the
appliance to the metal floor of the solid fuel firebox is
RECOMMENDED for optimal fan performance. See
side view in Figure 4.1
Figure 4.1-A
SIDE VIEW
6 IN.
5 IN.
3 IN.
9 IN. METAL INSERT
FACTORY BUILT FIREBOX
6 IN.
5 IN.
3 IN.
9 IN.
METAL FLOOR OF EXISTING
SOLID FUEL FIREBOX
TOP VIEW
REMOVE THIS
SECTION OF
METAL FLOOR
REMOVE THIS
SECTION OF
METAL FLOOR
1/2 IN. MINIMUM LEVELING HEIGHT
(RECOMMENDED)
1/4 IN. REQUIRED
METAL FLOOR OF EXISTING SOLID FUEL FIREBOX
• The appliance may not be placed directly on the base of
the outer wrap, a 1/4 inch airspace MUST be provided
between the insert and the floor of the outer wrap. Use
the leveling legs to raise the insert a minimum of 1/4 inch.
The original fireplace may never be returned to solid
fuel in this condition. The sidewalls and top structure
of the firebox may not be altered with the exception of
removable baffles and dampers.
• If a minimum 1/2 inch gap can not be achieved, a section
of the factory-built metal floor can be removed. See
Figure 4.1-B.
Figure 4.1-B

9
Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
Figure 4.2 Firebox Opening - Standard Surround
In addition to these dimensions, also reference Clearances and Mantel Projections (Section 4.B).
TOP VIEW FRONT VIEW SIDE VIEW
**Unit depth is measured to the back of the surround to give the depth needed for installation.
CD
B
A
E
F
MINIMUM FIREBOX OPENING
Location
MDVI35IN/IL MDVI30IN/IL
Inches Millimeters Inches Millimeters
A Rear Width 24 610 20-3/4 527
B Front Width 35-1/8 892 31-1/8 791
C Height-Front 24-3/8 619 20-3/4 527
D Height-Rear 21-1/8 537 17-5/8 448
E** Unit Depth 16 406 14-7/8 378
F Venting Depth 10-5/8 270 9-1/2 241
Note: Dimensions assume 1/4 inch clearance on all sides.
Note: If exhaust collar on insert and fireplace damper do not line up, add 4 inches (102 mm) to minimum
fireplace height for bends in vent pipe.

10 Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
B. Mantel and Wall Projections
WARNING! Risk of Fire! Comply with all minimum clear-
ances to combustibles as specified. Framing or finishing
material closer than the minimums listed must be construct-
ed entirely of noncombustible materials (i.e., steel studs,
concrete board, etc).
Clearance to combustible material under the insert is 1/4
inch (6 mm). Clearance from top of fireplace opening for
combustibles extending 12 inches max. is 12 inches.
• Use leveling legs to raise insert minimum 1/4 inch (6 mm)
above combustible material or outer wrap of factory built
firebox.
Combustible facings must not extend behind the insert
surround. For non-combustible material specifications
refer to Section 1.E.
Figure 4.4 Mantel Clearances
12 IN. MIN.
12 IN. MAX.
EXISTING NON-COMBUSTIBLE FACING
10 IN. MIN.
2 IN.
MAX.
Figure 4.3 Firebox Opening - Deep Surround
CD
SURROUND
APPLIANCE
1-1/2 IN.
BD
AD
APPLIANCESURROUND
TOP VIEW
SIDE VIEW
MINIMUM FIREBOX OPENING
Location
MDVI35IN/IL MDVI30IN/IL
Inches Millimeters Inches Millimeters
ADAlternate Unit Width 33-1/2 851 29-1/2 749
BDAlternate Unit Depth 15-1/8 384 14 356
CDAlternate Unit Height 23 584 19-3/8 492
Note: Dimensions assume 1/4 inch clearance on all sides.
Note: If exhaust collar on insert and fireplace damper do not line up, add 4 inches (102 mm) to minimum
fireplace height for bends in vent pipe.