Majestic UVS36RP, UVS33RP User Manual
Vent-Free Gas Room Heaters:
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Models: UVS33RN, UVS33RP
UVS36RN, UVS36RP
PLEASE READ THIS MANUAL
BEFORE INSTALLING AND USING
HEATERS
IMPORTANT: Read all instructions
and warnings carefully before starting installation. Failure to follow these
instructions may result in a possible fire
hazard and will void the warranty.
WARNING: If the information in this
manual is not followed exactly, a fire or
explosion may result causing property
damage, personal injury or loss of life.
— Do not store or use gasoline or other
flammable 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.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
• If you cannot reach your gas sup-
plier, call the fire department.
— Installation and service must be per-
formed by a qualified installer, service agency or the gas supplier.
This is an unvented gas-fired heater.
It uses air (oxygen) from the room in
which it is installed. Provisions for adequate combustion and ventilation air
must be provided.
Homeowner's Installation and
Operating Instructions
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
20002211 3/06 Rev. 15
UVS33/36 Vent-Free Heaters
Table of Contents
PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING APPLIANCE.
Thank you and congratulations on your purchase of a Majestic fireplace.
IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these
instructions may result in a possible fire hazard and will void the warranty.
Installation & Operating Instructions
Important Curing/Burning Instructions .................................................................................3
Fireplace Dimensions ..........................................................................................................
Safety Devices ....................................................................................................................
Description ..........................................................................................................................
Orifice Conversion Instructions ...........................................................................................
Clearance to Combustibles .................................................................................................
Mantels ...............................................................................................................................
Hearth Extension .................................................................................................................
Planning ..............................................................................................................................
Mounting the Heater ............................................................................................................
Framing ...............................................................................................................................
Insulating for Cold Climates ................................................................................................
Gas Specifications ...............................................................................................................
Gas Inlet and Manifold Pressures .......................................................................................
Hig Elevations .....................................................................................................................
Gas Supply Pressures .........................................................................................................
Gas Line Connection ...........................................................................................................
Electrical Connection ...........................................................................................................
Hard (Direct) Wire Hook-Up ................................................................................................
EB1 (Receptacle) Hook-Up .................................................................................................
Remote Wall Switch ............................................................................................................
Alternate Switch Location ..................................................................................................
Finishing ............................................................................................................................
Operating Instructions
Louvre Removal ................................................................................................................ 11
Window Frame Removal ................................................................................................... 11
Log Installation UVS33 ...................................................................................................... 11
Log Installation UVS36 ...................................................................................................... 11
Ember Material Placement ................................................................................................
Lava Rock .........................................................................................................................
First Firing .........................................................................................................................
Odor During Operation ......................................................................................................
Flame Adjustment ..............................................................................................................
Flame Characteristics ........................................................................................................
Lighting and Operating Instructions ..................................................................................
Troubleshooting ................................................................................................................
Maintenance
Cleaning the Standing Pilot Control System .....................................................................
Replacement Parts ..................................................................................................................... 17
Optional Accessories
Fan Kits .............................................................................................................................
Electrical Connection .........................................................................................................
Remote Controls ...............................................................................................................
Outside Air Termination .....................................................................................................
Ceramic Brick Liner ...........................................................................................................
Decorative Bay Screen Kit ................................................................................................
Decorative Frame Trims ....................................................................................................
Glass/Catalyst Kit ..............................................................................................................
Decorative Bay Window ....................................................................................................
Warranty
....................................................................................................................................... 23
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20002211
UVS33/36 Vent-Free Heaters
Installation & Operating Instructions
This gas room heater should be installed by a qualified installer
in accordance with local building codes and with current National Fuel Gas Code ANSI Z223.1/NFPA 54.
This heater shall not be installed in a confined space or un
usually tight construction unless provisions are provided for
adequate combustion and ventilation air.
This appliance is for supplemental heating only. It should not be
used as the primary heat source for a dwelling.
The National Fuel Gas Code, ANSI Z233.1/NFPA 54 defines a
confined space as a space whose volume is less than 50 cubic
feet per 1,000 Btu per hour (4.8m3 per kw) of the aggregate
input rating of all appliances installed in that space and an
unconfined space as a space whose volume is not less than
50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) of the
aggregate input rating of all appliances installed in that space
and an unconfined space as a space whose volume is not less
than 50 cubic feet per 1,000 Btu per hour (4.8m3 per kw) of the
aggregate input rating of all appliances installed in that space.
Rooms communicating directly with the space in which the
appliances are installed, through openings not furnished with
doors, are considered a part of the unconfined space.
WARNING:
smaller than that defined as an unconfined space or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the methods, described in the
National Fuel Gas Code, ANSI Z 223.1/NFPA 54, Section 5.3 or
applicable local codes."
Unusually tight construction is defined as construction where:
a) Walls and ceilings exposed to the outside atmosphere have a
continuous water vapor retarder with a rating of 1 perm (6 x 1011 kg per pa-sec-m
and
b) Weather stripping has been added on openable windows
and doors, and
c) Caulking or sealants are applied to areas such as joints
around window and door frames, between sole plates and
floors, between wall-ceiling joints, between wall panels, at
penetrations for plumbing, electrical, and gas lines, and at other
openings.
Fireplace screen (when equipped) must be closed while the
appliance is in operation.
FOR SAFE INSTALLATION AND OPERATION OF YOUR VENTFREE ROOM HEATER PLEASE NOTE THE FOLLOWING:
1. This heater gives off high temperatures and should be
located out of high traffic areas and away from furniture and
draperies.
2. Children and adults should be alerted to the hazards of the
high temperature surface of this heater and should stay
away to avoid burns or ignition of clothing.
3. Children should be carefully supervised when they are in the
same room as the heater.
4. Under no circumstances should this heater be modified.
Parts removed for service should be replaced prior to operating this heater again.
5. Installation and any repairs to this heater should be carried
out by a qualified service person. A professional service
person should be contacted to inspect this heater annually.
Make it a practice to have all of your gas heaters checked
If the area in which the heater may be operated is
2
) or less with openings gasketed or sealed,
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annually. More frequent cleaning may be required due to
excess lint and dust from carpeting, bedding material, etc.
6. Control compartments, burners and air passages in this
heater should be kept clean and free of dust and lint. Make
sure the gas valve and pilot light are turned off before you
attempt to clean this unit.
7. Under no circumstances should any solid fuels (wood, coal,
paper or cardboard, etc.) be used in this heater.
8. Keep the area around your heater clear of combustible ma
terials, gasoline and other flammable vapor and liquids. This
heater should not be used as a drying rack for clothing, nor
should Christmas stockings or decorations be hung in the
area of it.
9. Whether the heater is installed directly on carpeting, vinyl
tile or any combustible material other than wood, this heater
must be installed on a metal or wood panel extending the
full width and depth of the heater.
10. Do not install heater in bathroom.
11. Heater may be installed in bedroom when orificed at 10,000
BTU or as per local codes.
12. Do not use this heater if any part has been under water. Im
mediately call a qualified service technician to inspect room
heater and to replace any part of control system and any
gas control which has been under water.
WARNING: Do not install televisions or other electronic devices above this fireplace unless approved
by the electronics manufacturer.
This appliance may be installed in an aftermarket, permanently located, manufactured (mobile)
home, where not prohibited by local codes.
This appliance is only for use with the type of gas
indicated on the rating plate. This appliance is not
convertible for use with other gases.
Proposition 65 Warning: Fuels used in gas, wood-
burning or oil fired appliances, and the products of
combustion of such fuels, contain chemicals known to
the State of California to cause cancer, birth defects
and other reproductive harm.
California Health & Safety Code Sec. 25249.6
IMPORTANT:
Please Review the Following Carefully
It is normal for fireplaces fabricated of steel to give off some
expansion and/or contraction noises during the start up or cool
down cycle. Similar noises are found with your furnace heat
exchanger or car engine.
It is not unusual for your gas fireplace to give off some odor the
first time it is burned. This is due to the curing of the paint and
any undetected oil from the manufacturing process.
Please ensure that your room is well ventilated - open all
windows.
It is recommended that you burn your fireplace for a least six
(6) hours the first time you use it. If optional fan kit has been
installed, place fan in the "OFF" position during this time.
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UVS33/36 Vent-Free Heaters
22"
33"
29"
28"
5"
2"
Gas Line
Access - 2" Dia.
Finished Wall
Thickness
Rough
Opening
Height
Rough Opening Width
Electrical Cable
Knockout - 1" Dia.
16"
1"
33"
Electrical Box
Knockout - 2" Dia.
Electrical
Cable Knockout 1" Dia.
31"
28
"
33"
33"
23"
46”
"
8"
7"
33"
Gas Line Access
12"
Rough Opening
Depth
2"
5"
"
Outside
Air
20"
36"
34
"
32
"
5"
2"
Gas Line
Access - 2" Dia.
Finished Wall
Thickness
Rough
Opening
Height
Rough Opening Width
Electrical Cable
Knockout - 1" Dia.
21"
1"
36"
Electrical Box
Knockout - 2" Dia.
Electrical
Cable Knockout 1" Dia.
33"
34
"
36"
36"
25
"
51”
4"
9"
7"
36"
Gas Line Access 2” Dia.
14"
Rough Opening
Depth
3"
5"
8"
Outside
Air
Fireplace Dimensions
Fig. 1 UVS33 specifications and framing.
Fig. 2 UVS36 specifications and framing.
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Fireplace Dimensions
20002211
UVS33/36 Vent-Free Heaters
Safety Devices
Adequate combustion and ventilation air must be provided. The flow of combustion and ventilation air MUST
NOT be obstructed.
Provide adequate clearances around the air opening
into the combustion chamber; and adequate accessibility clearance for servicing and proper operation. NEVER
obstruct the front opening of the heater or cover the top
and bottom louvres (grilles).
These heaters are equipped with a pilot system featuring an Oxygen Depletion Sensor (O.D.S.) shut-off
device. The O.D.S. pilot will shut down the heater when
there is not enough fresh air available.
Report any parts damaged in shipment to your dealer.
Description
The UVS vent-free heaters uses a frame window with
screen mesh that does not use any catalytic filters.
This model is available as Natural or Propane gas,
equipped with a standing pilot.
Design-certified to ANSI Z21.11.2a-2003 Unvented
Room Heaters.
The UVS33 model is shipped at 20,000 BTU/hr. It
includes orifices for operation at 15,000 and 10,000
BTU/hr. When operating at 10,000 BTU/hr, the unit is
approved for bedroom use. Based on the National Fuel
Gas Code and local codes, please match the correct
orfice size and BTU's to corresponding room size. This
conversion must not be completed in the field. Once
final rate is established, remaining orifices are to be
discarded, not left behind with the fireplace.
Orifice Conversion Instructions
1. Locate burner with tiles, pilot shield and orifice.
2. Unscrew two hex nuts connecting pilot shield to
burner with tiles. Move pilot shield to right. (Fig. 2)
3. Remove sheet metal screws at left and right side of
burner with tiles and remove burner.
4. Use 7/16" wrench to remove orifice. (Fig. 3) Install
desired orifice in place of orifice just removed. See
Table 3 . Use approved pipe compound for pipe
threads.
5. Remove air shutter, if necessary (Refer to Table 1),
from burner pan by removing shutter retaining screw
then air shutter. (Fig. 4)
6. Install correct air shutter on burner pan. Replace
shutter retaining screw. Adjust the air shutter to the
appropriate settings as listed in Table 1.
7. Reinstall burner with tiles and pilot shield. Check for
leaks with soapy water solution.
Burner with
Orifice
Air
Shutter
CO101a
Fig. 2 Manifold assembly and orifice location.
Fig. 3 Replace orifice.
Front
View
Fig. 4 Use appropriate air shutter and adjust according to
Table 1.
Sheet Metal Screw
Air Shutter
Retaining
Screw
Air Shutter
Adjustment
Tiles
Log Supports
Hex Nut
Burner Pan
Air Shutter
Pilot Shield
Pilot
Hex
Nut
Sheet
Metal Screw
Orifice
CO102
CO103
Clearance to Combustibles
Top of unit to ceiling ................................. 36" (914 mm)
Front of unit to combustibles ....................36' (914 mm)
Appliance
Top ......................................................... 0" (0 mm)
Bottom ..................................................... 0" (0 mm)
Sides ....................................................... 0" (0 mm)
Back ........................................................ 0" (0 mm)
Perpendicular Sidewall ....................... 6" (152 mm)
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UVS33/36 Vent-Free Heaters
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Fireplace
Mantels
Depending on the width of the mantel, it may be installed higher or lower from the combustion chamber
opening. This also applies to the distance between the
mantel leg (if installed) and the fireplace. Refer to Figures 5a and 5b for correct mounting heights and widths
for combustible mantels and mantel legs.
Noncombustible mantels and legs may be installed at
any height above the appliance opening.
When using paint or lacquer to finish the
mantel, such paint or lacquer must be heat
resistant to prevent discoloration.
Black
Surround
Face
Side of
Combustion Chamber
Mantel
Leg
CFM164a
Mantel
Leg
Top Louvre
Assembly
Top of Combustion
Chamber
Bottom of Door Trim
Ref. Mantel Ref. Mantel From Top
Shelf Depth of Comb. Chamber
V 10" (254 mm) A 19
W 8" (203 mm) B 17
X 6" (152 mm) C 15
Y 4" (101 mm) D 13
Z 2" ( 51 mm) E 11
Fig. 5a Combustible mantel minimum installation.
¹⁄₂" (495 mm)
¹⁄₂" (444 mm)
¹⁄₂" (394 mm)
¹⁄₂" (343 mm)
¹⁄₂" (292 mm)
Hearth Extension
A hearth extension in front of heater is recommended
but not required.
Planning the installation is an important first step: it will
save time and money later in the actual installation. In
planning the installation, consider:
1. Where the heater will be located.
2. All components needed to complete the
project.
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Planning
CFM146
CFM170
Mantel Mantel Leg From Side
Ref. Leg Depth Ref. of Combustion Opening
F 10" (254 mm) K 12" (305 mm)
G 8" (203 mm) L 10" (254 mm)
H 6" (152 mm) M 8" (203 mm)
I 4" (101 mm) N 6" (152 mm)
J 2" (51 mm) O 4" (101 mm)
Fig. 5b Combustible mantel leg minimum installation.
Mounting the Heater
The heater should only be mounted on the following
surfaces:
• A flat combustible (burnable) surface.
• A raised wooden platform.
• A concrete block or other solid object placed be-
neath each of the four corners of the heater.
To mount the heater:
1. Choose unit location.
2. Place unit in position and secure to floor with 1¹⁄₂"
screws or nails. The holes to secure the unit to the
floor are located just behind the bottom louvre on the
left and right hand side of the unit.
20002211
UVS33/36 Vent-Free Heaters
A
B
C
3. Frame in heater with a header across the top. It is
important to allow for finished face when setting the
depth of the frame.
4. Attach heater to frame using adjustable frame drywall
strips (located behind access door for shipping).
Preset depth to suit facing material (adjustable to
1/2", 5/8" or 3/4" depths). (Fig. 6)
5. Use existing screws in side of unit to attach drywall
strip. Measure from face of heater to face of drywall
strip to determine final depth. (Fig. 6)
Adjustable Drywall Strip
(Nailing Flange)
Scew Drywall
Position Depths
A 1/2" (13 mm)
B 5/8" (16 mm)
C 3/4" (19 mm)
Insulation
Insulation methods shown are
optional for cold
climate, not a
requirement for
unit operation.
Fig. 7 Insulating for cold climates.
Parts Identification
Nailing
Flange
FP546
Top
Louvre
Adjustable 1/2",
5/8" & 3/4" Spac-
ing
FP1023
Fig. 6 Adjustable drywall strip (nailing flange).
Framing
Framing can take place before or after the heater is set
in place. The framing should be positioned to accommodate the wall covering and facing material. Framing
material should be 2x4 or heavier. Framing headers
may rest on top of heater. (Refer to Page 3, Figure 1
for heater and framing dimensions.)
Insulating for Cold Climates
When a heater is installed in a chase or an outside wall,
the enclosure should be insulated like any other wall
of the home. Insulation should be installed under the
heater and on the inside of the exterior walls. (Fig. 7)
NOTE: Insulating for cold climates is strictly a recommendation and not a requirement.
Screen Panel
Gas
Line Access
(both sides)
FP443a
door, controls behind louvre)
Logs and Burner
Firebox
Bottom Louvre
(Bottom access
Fig. 8 Parts identification.
Gas Specifications
Model Fuel Gas Control Max. Min. Orifice Air
Input Input Size Shutter
BTU/H BTU/H Setting
UVS33RN Nat Millivolt Hi/Lo 20,000 15,000 #45 1/16"
Open
UVS33RP LP Millivolt Hi/Lo 20,000 14,750 #55 Fully
Open
UVS33RN Nat Millivolt Hi/Lo 15,000 10,750 #50 Closed
UVS33RP LP Millivolt Hi/Lo 15,000 11,000 #56 Fully
Open*
UVS33RN Nat Millivolt Hi/Lo 10,000 7,500 #52 Closed
UVS33RP LP Millivolt Hi/Lo 10,000 8,000 #62 Fully
Open*
UVS36RN Nat. Millivolt Hi/Lo 25,000 17,500 n/a Fully
Open
UVS36RP LP Millivolt Hi/Lo 25,000 18,750 n/a Fully
Open
* Use air shutter in orifice bag without round holes.
20002211
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UVS33/36 Vent-Free Heaters
UVS33 / UVS36
Certified To
ANSI Z 21.11.2a-2003
Unvented Room Heaters
Units: A41A00, A41B00, B41AS0, B41BS0
Gas Inlet and Manifold Pressures
Natural Gas LP
Minimum Inlet Pressure 5.5" w.c. 11.0" w.c.
Maximum Inlet Pressure 14.0" w.c. 14.0" w.c.
Manifold Pressure 3.5" w.c. 10.0" w.c.
Table 3 Gas supply pressures.
The installation of your Majestic heater must
conform with local codes, or in the absence
of local codes, with National Fuel Gas Code,
ANSI Z223.1/NFPA 54 — latest edition. (EX
CEPTION: Do not derate this appliance for
altitude. Maintain the manifold pressure at
3.5 inches w.c. for Natural Gas and 10 inches
w.c. for LP gas.)
High Elevations
Input ratings are shown in BTU per hour and are
certified without deration from elevations up to
4,500 feet (1,370m) above sea level.
Nuisance outages may occur at altitudes above
4,500 feet (1,370m) if dirt, dust, lint and/or cobwebs are allowed to accumulate on burner and/or
ODS pilot. Monthly inspection and cleaning is
recommended for altitudes above 4,500 feet
(1,370m)
For elevations above 4,500 feet (1,370m), installations must be in accordance with the current
ANSI Z223.1/NFPA 54 and/or local codes having
jurisdiction.
Gas Line Connection
If gas piping from the source to the heater location has
not been accomplished, install the required pipe. Consult local codes to assure proper pipe size.
The gas pipeline can be brought in through the right or
left side of the heater, as well as the bottom. Knockouts
are provided at convenient locations to allow for the gas
pipe installation and testing of any gas connection. It is
most convenient to bring the gas line in from the right
side, as this allows fan installation or removal without
disconnecting the gas line.
NOTE: The gas line connection can be made with proper 3/8" copper tubing, 1/2" rigid pipe or an approved flex
connector, then reduced to 3/8" to the heater. Because
some municipalities have some additional local codes, it
is always best to consult your local authority. Consult the
current National Fuel Gas Code, ANSI Z223.1/NFPA 54.
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The gas control is equipped with a captured screw type
pressure test point, therefore it is not necessary to provide a 1/8" test point up stream of the control.
When using copper or flex connector use only approved
fittings. When using black iron pipe, always provide a
union so the gas line can be easily disconnected for
burner or fan servicing. Use shut off valve before union
or flex connector. See gas specification for pressure
details and ratings. NOTE: If flex connector is used, it
must be kept inside of the heater. (Fig. 9)
Always check for gas leaks using a 50/50 solution of liquid soap and water. Apply water/soap
solution with brush only - do not over apply.
NEVER test with an open flame.
1/2" Gas Supply
1/2" x 3/8" Shut Off Valve
3/8" Nipple
3/8" Union
3/8" Nipple
Gas Supply Pressures
This heater must be isolated from the gas supply piping
system by closing its individual manual shut-off valve
during any pressure equal to or less than 1/2 psig (3.45
kPa).
The heater 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 (3.45 kPa).
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FP297
Fig. 9 Typical gas supply installation.
Electrical Connection
(If fan is used)
When installed, the heater must be electrically connected and grounded in accordance with local codes or, in the absence
of local codes:
U.S. Installations: Follow local codes and the National
Electrical Code, ANSI/NFPA No. 70.
20002211
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