Majestic MER42N User manual
1
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
Installation Manual
Installation and Appliance Setup
CAUTION! Risk of Fire! DO NOT store instruction manuals inside replace cavity.
High temperatures could cause a re.
INSTALLER: Leave this manual with the appliance, not inside the appliance.
CONSUMER: Retain this manual for future reference. Do not store inside the appliance.
NOTICE: DO NOT discard this manual!
• DO NOT-
• What to do if you smell gas
- DO NOT
- DO NOTDO
NOT
-
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
Models:
Manufactured Home
Construction and Safety Standard, Title 24
CFR, Part 3280
Standard for Installation in Mobile Homes,
CAN/CSA Z240 MH Series,
DANGER
HOT GLASS WILL
DO NOT TOUCH
NEVER
MER36N
MER36L
MER42N
MER42L
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
2
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.
Note: The term “recommend” or “recommended” does not indicate a requirement. It is a best practice suggested by
Hearth & Home Technologies®.
Table of Contents
1 Product Specic and Important Safety Information
4
4
4
4
5
5
5
5
6
2 Getting Started
7
8
11
11
3 Framing and Clearances
12
17
25
26
4 Termination Location and Vent Information
27
27
29
5 Vent Clearances and Framing
44
45
46
46
6 Appliance Preparation
47
49
7 Venting
51
54
54
55
56
8 Electrical Information
57
59
9 Gas Information
61
61
61
62
62
10 Finishing
64
65
65
68
68
11 Appliance Setup
72
72
72
®79
79
79
12 Reference Materials
81
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
Installation Standard Work Checklist
Customer:
Lot/Address:
Model (circle one): MER36N MER36L
MER42N MER42L
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?
Veried that the chase is insulated and sealed. (Pg. 25) ___________________________
Veried clearances to combustibles. (Pg. 17-24) ___________________________
Fireplace is leveled and secured. (Pg. 50) ___________________________
Venting/Chimney Section 7 (Pg 51-56)
Venting conguration complies to vent diagrams. ___________________________
Venting installed, locked and secured in place with proper clearance.
(May need to order separately.) ___________________________
Firestops installed. ___________________________
No insulation or foam materials in contact with venting or between
ceiling/wall shield restops. ___________________________
Attic insulation shield installed. ___________________________
Exterior wall/Roof ashing installed and sealed. ___________________________
Terminations installed and sealed. ___________________________
Electrical Section 8 (Pg 57-60)
Unswitched power (110-120 VAC) provided to the appliance. ___________________________
Switch wires properly installed. ___________________________
Gas Section 9 (Pg 61-63)
Proper appliance for fuel type. ___________________________
Was a conversion performed? ___________________________
Leak check performed and inlet pressure veried. ___________________________
Veried proper air shutter setting for installation type. ___________________________
Finishing Section 10 (Pg 64-71)
Combustible materials not installed in non-combustible areas. ___________________________
Veried all clearances meet installation manual requirements. ___________________________
Mantels and wall projections comply with installation manual requirements. ___________________________
Removed nishing strips prior to appliance start up, if installed. _____________________________
Appliance Setup Section 11 (Pg 72-79)
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. ___________________________
Decorative barrier front properly installed.
(May need to order separately.) __________________________
Manual bag and all of its contents are removed from inside/under
the appliance and given to party responsible for use and operation. ___________________________
Started appliance and veried no gas leaks exist. ___________________________
2595-982 1/23
= 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.
ATTENTION INSTALLER:
Follow this Standard Work Checklist
WARNING! Risk of Fire or Explosion! Failure to install appliance according to these instructions could lead
to a re or explosion. Install ONLY components and accessories approved by Hearth & Home Technologies.
Unapproved components and accessories could cause replace to overheat.
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
4
A. Appliance Certication
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
-
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.
11 Product Specic and Important Safety Information
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.
C. BTU Specications
B. Glass Specications
-
-
ANSI Z97.1 CPSC 16 CFR 1202
SGCC# 1595
159702-31919.01
02-31917.01
CPSC 16 CFR Sec-
tion 1201.5
15 (USC) 2063
MODELS: MER36N, MER36L, MER42N, MER42L
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Direct Vent Heater
STANDARD: CSA / ANSI Z21.88-2019 • CSA 2.33-2019
Models
(U.S. or Canada)
Maximum
Input BTU/h
Minimum
Input BTU/h
Orice
Size (DMS)
(0-2000 ft)
(0-2000 ft) #52
(0-2000 ft)
(0-2000 ft) #51
5
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
E. Non-Combustible Materials Specication
ASTM E 136,
Standard Test Method for Behavior of Materials in
a Vertical Tube Furnace at 750 ºC
F. Combustible Materials Specication
-
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.
-
H. California
WARNING:
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
6
I. Requirements for the Commonwealth of
Massachusetts
-
Installation of Carbon Monoxide Detectors
-
-
-
-
Approved Carbon Monoxide Detectors
-
Signage
-
-
“GAS
VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OB-
STRUCTIONS”.
Inspection
-
-
Exemptions
-
MANUFACTURER REQUIREMENTS
Gas Equipment Venting System Provided
Gas Equipment Venting System NOT Provided
-
-
-
-
-
-
See Gas Connection section for additional Common-
wealth of Massachusetts requirements.
Note:
7
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
22 Getting Started
A. Design and Installation Considerations
WARNING! Risk of Fire or Explosion! Read all instruc-
tions before starting the installation.
-
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
8
B. Good Faith Wall Surface / TV Guidelines
NOTICE: Surface temperatures listed above are taken with
a temperature measuring probe as prescribed by the test
standard used for appliance certication. Temperatures
on walls or mantels taken with an infrared thermometer
may yield increased temperatures of up to 30 °F (17 °C) or
more depending on the thermometer settings and material
characteristics being measured. Use appropriate nishing
materials that are able to withstand these conditions. For
additional nishing guidelines, see Section 10. Surface
temperatures will vary due to factors such as ceiling height,
room size, nishing materials and installation conguration.
Optional Passive Heat Kit Installed
Figure 2.2 Good Faith Wall Surface Temperatures Above Appliance
With Passive Heat Kit Installed
Figure 2.1 Good Faith Wall Surface Temperatures Above Appliance
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
6 in.
18 in.
24 in.
30 in.
TO CEILING
12 in.
165 °F
APPLIANCE FRONT
150 °F
145 °F
140°F
140 °F
FIREPLACE
OPENING
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
6 in.
18 in.
24 in.
30 in.
TO CEILING
12 in.
115 °F
APPLIANCE FRONT
100 °F
95 °F
90°F
90 °F
FIREPLACE
OPENING
9
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
Figure 2.3 Good Faith TV Guidelines
Good Faith Guidelines for TV
BB
TV
Mantel
:
1. These are good faith mmended only and not a guarantee of with all TV
s’ maximum all
2. Sin home has unique ai
from r to r and from model to model, TV tem
at
e ex the ’ maximum
TV’s tei
3. Mantel height and must onform to mantel requirements
manual.
4. “” dimension taken from the t of the hood o
5.
a. “” dimension.
. dimension, how “B” dimension eyond maximum mended
results in higher tem
TV Wall
t
D
TV on the wall
Appliance
Opening Appliance
Opening
Item Minimum Dimensions
3 i
B 2 minimum to 3 s
maximum
20 i
D Wall + TV Thi
+
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
Figure 2.4 Good Faith Guidelines - Passive Heat Kit Installed
Good Faith Guidelines for TV Installations Above a Fireplace
with Passive Heat Option and an Optional Fan
*Mesh screen required for front discharge or open top discharge passive heat installations with discharge opening of three inches or greater.
NOTE: The TV installation requirements are the same regardless of whether the Passive Heat kit is installed with a top discharge, side
discharge, or open top discharge.
NOTICE: A mantel is required when both the Passive Heat option and an optional fan are installed.
Life expectancy of the TV will be reduced if a mantel is not present.
A mantel is not required when the Passive Heat option is installed and a fan is not present.
“A” Dimension taken from the front of TV to front of the mantel.
“B” Dimension taken from the top of mantel to bottom of TV.
“C” Dimension taken from the top of the appliance opening to the bottom of the TV.
“D” Minimum mantel depth = Wall bracket thickness + TV thickness + 3 inches
“E” Dimension taken from the top of TV to bottom of discharge opening.
“F” Passive Heat kit is installed with no mantel and no fan. Dimension from appliance opening to bottom of TV.
TV mounted flat TV mounted at angle
TV Wall Bracket
Appliance
EE
PASSIVE HEAT DISCHARGE OPENING PASSIVE HEAT DISCHARGE OPENING
WIRE MESH*
A
B
CC
B
A
Appliance
Opening
Appliance
Opening
D D
C
B
A
ITEM MINIMUM DIMENSIONS
D
E
3 inches
4 inches
12 inches
12 inches
F
Mantel - required when
both Passive Heat and
Optional Fan are present.
Mantel - required when
both Passive Heat and
Optional Fan are present.
F
F
5-1/4
inch min. 6-1/4 inch max.
Wall Bracket Depth +
TV Thickness + 3 inches
Appliance
Notes:
1. These are good faith recommended clearances only and not a guarantee of compliance with all TV manufacturers’ maximum
allowable opera�ng temperatures.
2. Since every home has unique air flow characteris�cs and maximum allowable opera�ng temperatures can vary from manufacturer
to manufacturer and from model to model, actual TV temperatures should be validated at the �me of each installa�on.
TVs should not be used in situa�ons where the actual TV temperature exceeds the manufacturers’ maximum allowable opera�ng
temperatures iden�fied in the TV’s technical specifica�ons. Contact the TV’s manufacturer directly if you cannot locate this
informa�on or have ques�ons regarding the informa�on.
3. Mantel height and depth must conform to mantel requirements specified in the appliance installa�on manual.
4. Sugges�ons on how to further reduce TV temperatures:
a. Increase “A” dimension.
b. Increase “C” dimension, however, increasing “B” dimension beyond maximum recommended typically results in higher temperatures.
11
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
D. Inspect Appliance and Components
WARNING! Risk of Fire or Explosion! Damaged parts
could impair safe operation. DO NOT install damaged, in-
complete or substitute components. Keep appliance dry.
WARNING! Risk of Fire, Explosion or Electric Shock!
DO NOT use this appliance if any part has been under
water. Call a qualied service technician to inspect the
appliance and to replace any part of the control system
and/or gas control which has been under water.
C. Tools and Supplies Needed
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
12
N
M
O
T
Ø
HEAT MANAGEMENT
SYSTEMS ACCESS
C
D
B
A
EF
G
H
K
I
L
J
(C)
L
P
Q
R
S
U
V
W
X
GAS ACCESS
ELECTRICAL ACCESS
33 Framing and Clearances
Appliance Dimensions Table - MER36
Figure 3.1 Appliance Dimensions (MER36N, MER36L) , (MER42N, MER42L)
Appliance Dimensions Table - MER42
A. Appliance Weights and Dimensions
Appliance Weight Table
Model Pounds Kilograms
MER36N/L
MER42N/L 86
Location Inches Millimeters
I 54
J 216
K
L
52
216
721
Location Inches Millimeters
41
C
D 629
851
G
16
Location Inches Millimeters
I 54
J 216
K
L 1121
52
211
899
Location Inches Millimeters
1221
1148
C
D 678
G
Location Inches Millimeters
Q
284
545
T 6 152
162
W 29
X 162
Location Inches Millimeters
Q 449
284
545
T 6 152
162
W 29
X 162
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
IMPORTANT! This replace requires an installed decorative barrier front to prevent direct contact with the
hot viewing glass. DO NOT operate the replace with the barrier removed.
Decorative barrier front must be ordered at time of replace purchase. If decorative barrier front is not
present, contact dealer.
Note:
B. Decorative Barrier Front Dimension Diagrams
WARNING! Risk of Overheating! DO NOT install combustible or non-combustible ooring or hearth material above
top of bottom surround. Gap between bottom of decorative front and top of bottom surround must be maintained for
proper air ow.
MANOR DECORATIVE BARRIER FRONTS
Figure 3.2 Decorative Barrier Front Dimensions - MANOR
C D G
649 121 824 862
695 121 875
I
J
19 6
152 29
19 6
152 29
A
B
Barrier Mesh:
Integral to
Decorative Barrier Front
G
D
E
F
I
H
C
TOP OF APPLIANCE
OPENING
BOTTOM OF COMBUSTIBLE MANTEL
BOTTOM OF COMBUSTIBLE MANTEL
PASSIVE HEAT INSTALLED
J
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
14
ENSEMBLE DECORATIVE BARRIER FRONTS
Figure 3.3 Decorative Barrier Front Dimensions - ENSEMBLE
IMPORTANT! This replace requires an installed decorative barrier front to prevent direct contact with the
hot viewing glass. DO NOT operate the replace with the barrier removed.
Decorative barrier front must be ordered at time of replace purchase. If decorative barrier front is not
present, contact dealer.
C D G
719 84 824 864
84 875 914
I
J
19 6
152 29
19
152 29
I
H
TOP OF APPLIANCE
OPENING
BOTTOM OF COMBUSTIBLE MANTEL
BOTTOM OF COMBUSTIBLE MANTEL
PASSIVE HEAT INSTALLED
A
B
Barrier Mesh:
Integral to
Decorative Barrier Front
C
E
D
G
F
J
Note:
WARNING! Risk of Overheating! DO NOT install combustible or non-combustible ooring or hearth material above
top of bottom surround. Gap between bottom of decorative front and top of bottom surround must be maintained for
proper air ow.
15
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
WARNING! Risk of Overheating! DO NOT install combustible or non-combustible ooring or hearth material above
top of bottom surround. Gap between bottom of decorative front and top of bottom surround must be maintained for
proper air ow.
Figure 3.4 Decorative Barrier Front Dimensions - ESSENCE
IMPORTANT! This replace requires an installed decorative barrier front to prevent direct contact with the
hot viewing glass. DO NOT operate the replace with the barrier removed.
Decorative barrier front must be ordered at time of replace purchase. If decorative barrier front is not
present, contact dealer.
C D G
881 729 965 29
778 1145 29 867 894
I
J
19 6
152 29
19 6
152 29
I
H
TOP OF APPLIANCE
OPENING
BOTTOM OF COMBUSTIBLE MANTEL
BOTTOM OF COMBUSTIBLE MANTEL
PASSIVE HEAT INSTALLED
A
B
Barrier Mesh:
Integral to
Decorative Barrier Front
C
E
D
G
F
J
Note:
ESSENCE DECORATIVE BARRIER FRONTS (MAJ)
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
16
Figure 3.5 Decorative Barrier Front Dimensions - VENTURA
VENTURA DECORATIVE BARRIER FRONTS
Note:
IMPORTANT! This replace requires an installed decorative barrier front to prevent direct contact with the hot
viewing glass. DO NOT operate the replace with the barrier removed.
Decorative barrier front must be ordered at time of replace purchase. If decorative barrier front is not present,
contact dealer.
WARNING! Risk of Overheating! DO NOT install combustible or non-combustible ooring or hearth material above
top of bottom surround. Gap between bottom of decorative front and top of bottom surround must be maintained for
proper air ow.
A
B
Barrier Mesh:
Integral to
Decorative Barrier Front
I
H
TOP OF APPLIANCE
OPENING
BOTTOM OF COMBUSTIBLE MANTEL
BOTTOM OF COMBUSTIBLE MANTEL
PASSIVE HEAT INSTALLED
J
C
E
D
G
F
C D G
719 84 824 864
84 875 914
I
J
19 6
152 29
19
152 29
17
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
C. Appliance Location and Clearances to
Combustibles
WARNING! Risk of Fire or Burns! Provide adequate
clearance around air openings and for service access.
Due to high temperatures, the appliance should be lo-
cated out of trac and away from furniture and draperies.
-
-
-
NOTICE: Illustrations reect typical installations and are
FOR DESIGN PURPOSES ONLY. Illustrations/diagrams
are not drawn to scale. Actual installation may vary due to
individual design preference.
NOTICE: Allow 18 inches minimum clearance
on top of appliance for venting of heat
management system.
18 IN. MIN.
Figure 3.6 Clearance for Heat Management System
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
18
B
C
A
OUTDOOR FLOORING
ROOF EAVE OVERHANG
DIRECT
VENT GAS
FIREPLACE
A = Bottom of appliance to floor
B = Front of surround to end of overhang
C = Height of covered opening
Protected Outdoor Applications
Figure 3.7 Protected Outdoor Applications - Dimensions
WARNING! Risk of Overheating! Failure to follow in-
structions for outdoor installation could result in appliance
overheating and/or damage to appliance and compo-
nents.
-
-
FORMULA MATRIX
C
EXAMPLE MATRIX
Greater than
For Example:
19
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
Figure 3.8 Appliance Locations
ALCOVE
INSTALLATION
TOP VENT
ONE 900ELBOW
REAR VENT,
HORIZONTAL TERMINATION,
TWO ELBOWS
REAR VENT,
NO ELBOWS
REAR VENT,
ONE ELBOW
A
A
BC
B
E
B
B
B
D
D
G
H
Refer to Section 10 for mantel and wall
projection information.
Consider the mantel or cabinet system to be
installed and comply with the necessary
requirements for elevated hearth. Refer to
instructions included with cabinet system.
F
D
D
B
I
J*
KK
A B C D E
51 42 72
1295 1829
49 79
1419 1245 1562
F G H I J* K
22 8
559 451
22 87
559 254
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
1/2 IN. MIN.
CLEARANCE
BACK OF APPLIANCE TO
WALL SHEATHING
EXTERIOR
SHEATHING 1/2 IN. THICK
INTERIOR SHEATHING
1/2 IN. THICK
4-1/2 IN.
J* = 5 INCHES TO
FRONT OF DVP-TRAP1
TERMINATION CAP
2 X 4
(3-1/2 IN.)
Figure 3.9 DVP-TRAP1 Exception (2 x 4 Construction)
Top Vent DVP-TRAP1 Exception
DVP90ST
5 IN. MIN
REQUIRED.
This manual suits for next models
8
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