Vermont Casting 3032, 3033, 3030, 3031 User Manual
INSTALLER / CONSUMER
SAFETY INFORMATION
Please read this manual before
installing and using appliance.
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 appli-
ance.
• Do not touch any electrical
switch; do not use any phone
in your building.
• Immediately call your gas
suppler from a neighbor’s
phone. Follow the gas
suppler’s instructions.
UVS27R, UVS27M
Vent Free Gas Heaters
Models 3030, 3031,
3032, 3033
• 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.
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.
Refer to Page 7.
CFM Specialty Home Products
410 Admiral Blvd. • Mississauga, Ontario, Canada L5T 2N6 • 905-670-7777
www.majesticproducts.com • www.vermontcastings.com
INSTALLER: DO NOT DISCARD THIS MANUAL - LEAVE FOR HOMEOWNER
Homeowner’s Installation
and Operating Manual
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Tested and listed to
ANSI Z21.11.2a-2001, Unvented Heaters
20005004 10/04 Rev. 4
Vermont Castings UVS27 Vent-Free Gas Heater
Table Of Contents
PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING APPLIANCE.
Thank you and congratulations on your purchase of a Vermont Castings stove.
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 and Operating Instructions
Shell Dimensions ...............................................................................................................4
Clearance Requirements ...................................................................................................5
Hearth Requirements .........................................................................................................5
Gas Specifications .............................................................................................................6
Gas Inlet and Manifold Pressures ......................................................................................6
High Elevations ..................................................................................................................6
Odor During Operation.......................................................................................................6
Vent Free Features ............................................................................................................7
Fresh Air Requirements .....................................................................................................7
Assembly Procedures
Unpack the Firebox ............................................................................................................9
Shell / Firebox Assembly....................................................................................................9
Install Optional Fan Kit .....................................................................................................10
Install ON/OFF Switch......................................................................................................11
Thermostat Connections ..................................................................................................12
Glass & Catalyst Installation ............................................................................................12
Connect the Gas Supply LIne ..........................................................................................13
Install Log Set ..................................................................................................................14
Complete the Installation..................................................................................................15
Operation
Your First Fire ..................................................................................................................16
Pilot and Burner Inspection ..............................................................................................16
Flame & Temperature Adjustment ...................................................................................16
Flame Characteristics ......................................................................................................16
Lighting Instructions .........................................................................................................17
Troubleshooting ...............................................................................................................18
Maintenance
Firebox Cleaning and Inspection......................................................................................20
Cleaning Procedure .........................................................................................................20
Glass Replacement..........................................................................................................20
Care of Cast Iron..............................................................................................................20
Catalytic Combustor.........................................................................................................21
Replacement Parts.......................................................................................................................22
Optional Accessories
Fan Kits ............................................................................................................................24
Glass / Catalyst Kit...........................................................................................................24
Remote Controls ..............................................................................................................24
Warming Shelf..................................................................................................................24
Warranty .......................................................................................................................................26
2
20005004
Installation & Operating Instructions
In order to ensure safe and effective installation, this unit
must be installed only by a qualified agency, individual, firm,
corporation or company that is experienced in the installation, repair and servicing of this type of appliance and is
familiar with the building codes and installation techniques
appropriate in your area. Contact your hearth products
dealer or local gas supplier for the name of a qualified
service person.
IMPORTANT: Read this owner's manual carefully and
completely before trying to assemble, operate, or
service this heater. Improper use of this heater can
cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide
poisoning.failure to follow instructions may result in
property damage, bodily injury or loss of life. This
manual contains important user information. Keep this
manual with the heater after installation is complete.
FOR SAFE INSTALLATION AND OPERATION,
PLEASE NOTE THE FOLLOWING:
1. Use only Natural Gas with UVS27RN/MN. Use only
Propane with UVS27RP/MP. Do not use any other
fuels.
2. Install only in accordance with the National Fuel
Gas Code, ANSIZ223.1/NFPA54-latest edition.
(Exception: Do not derate this appliance for
altitude. This appliance has been tested and listed
for use in altitudes up to 10,000 feet.)
3. Use only the installation instructions provided by
the manufacturer for this appliance. Installation
and repair should be done by a qualified service
person. The appliance should be inspected before
use and at least annually by a professional service
person. More frequent cleaning may be required
due to excessive lint from carpeting, bedding
material, etc. It is imperative that control compartments, burners and circulating air passageways of
the appliance be kept clean.
4. Warning: Any change to this heater or its controls
can be dangerous. DO NOT make modifications to
any heater or associated parts.
5. DO NOT install this heater in a bedroom or bathroom.
6. Due to high surface temperatures, DO NOT install
this heater
• in a recreational vehicle,
• where curtains, furniture, clothing or other
flammable objects are less than 36 inches from
the front, top or sides of the heater,
• in high traffic areas,
• in windy or drafty areas.
7. DO NOT place clothing or other flammable material on or near the appliance.
8. DO NOT obstruct the top grille at all. Doing so will
cause high levels of carbon monoxide that will
lead to death.
Vermont Castings UVS27 Vent-Free Gas Heater
CARBON MONOXIDE POISONING
MAY LEAD TO DEATH!
Carbon Monoxide Poisoning: Early signs of carbon
monoxide poisoning resemble the flu, with headaches,
dizziness, or nausea. If you have these signs, the heater
may not be working properly. Get fresh air at once! Have
the heater serviced. Some people are more affected by
carbon monoxide than others. These include pregnant
women, people with heart or lung disease or anemia,
those under the influence of alcohol, and those at high
altitudes.
9. This heater needs fresh, outside air ventilation to
operate properly. See Fresh Air Requirements on
pages 6 and 7.
10. If heater shuts off, heater may not have enough
fresh air ventilation. Provide more fresh air. If
heater keeps shutting off, refer to
ing
.
11. DO NOT operate this heater
Troubleshoot-
• where flammable liquids or vapors are used
or stored
• under dusty conditions.
12. The heater becomes very hot when operating.
Alert children and adults to stay away from hot
surfaces to avoid burns or clothing ignition. The
heater will remain hot for a time after shutdown.
Allow surface to cool before touching.
13. Carefully supervise young children when they are
in the room with the heater.
14. Do not use the heater if any part has been exposed to or under water. Immediately call a
qualified service technician to inspect the room
heater and to replace any part of the control
system and any gas control which has been
under water.
15. DO NOT operate the heater if any log is broken or
damaged.
16. Turn heater off and let cool before servicing. Only
a qualified service person should service and
repair heater.
17. DO NOT operate this appliance with the safety
screen removed. If the safety screen is removed
from the appliance for service or cleaning, it must
be replaced before operating the heater.
NOTE: If any of the original wire as supplied with the
appliance must be replaced, it must be replaced with a
wire of at least 105°F temperature rating.
Proposition 65 Warning: Fuels used in gas,
woodburning 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
20005004
3
Vermont Castings UVS27 Vent-Free Gas Heater
Shell Dimensions
Freestanding Stove
26³⁄₄"
(680mm)
25"
Drawing Not to Scale
(635mm)
9"
(229mm)
Valve Inlet
Valve Inlet
3"
(76mm)
C
L
C
L
14¹⁄₂"
(368mm)
15⁵⁄₈"
(379mm)
5004
Fig. 1 UVS27 freestanding shell dimensions.
Hearthmount
25¹⁄₄"
(641mm)
Drawing Not to Scale
26¹⁄₂"
(673mm)
5"
(140mm)
C
L
16³⁄₈"
(416mm)
5004
Fig. 2 UVS27 Hearthmount specifications.
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20005004
Vermont Castings UVS27 Vent-Free Gas Heater
Clearance Requirements
Minimum Clearances to
Combustible Materials
Maintain clearance, (empty space), between combustible materials and the heater as specified below for
the appropriate firebox shell being installed.
Freestanding Stove
B
Hearthmount
B
A
A
D
C
ST101
D
C
A
B
C
W
D
E
F
G
X
H
S
T
U
V
Y
Z
Mantel Mantel from
Ref. Shelf Depth Ref. Stove Top
A 13” (330mm) S 35” (889mm)
B11¹⁄₄” (286mm) T 30” (762mm)
C9³⁄₈” (241mm) U 25” (635mm)
D7¹⁄₂” (191mm) V 20” (508mm)
E5³⁄₄” (146mm) W 15” (381mm)
F 4” (102mm) X 10” (254mm)
G2¹⁄₄” (57mm) Y 5” (127mm)
H 1” (25mm) Z 2” (51mm)
ST599a
ST102
A: Mantel/Trim* ......................... 35” (889mm) / 2” (51mm)
B: Side Wall/Trim* ............................................. 2” (51mm)
C: Rear Wall ........................................................ 0” (0mm)
D: Max. Mantel Width.................................... 13” (330mm)
Alcove Clearances
B
A: Ceiling....................................................... 35” (889mm)
B: Side Wall....................................................... 2” (51mm)
C: Rear Wall ........................................................ 0” (0mm)
D: Max. Alcove Depth.................................... 13” (330mm)
B
A
D
ST103
C
Hearth Requirements
The Freestanding Stove and Hearthmount Shell must
be installed on rigid flooring. If the appliance is installed on any combustible surface other than wood
flooring, such as carpet or tile, a metal or wood panel
must be installed to extend the full length and width of
the unit.
WARNING
• Do not install this heater in a bathroom or
bedroom.
• Installation of this heater must conform with
local codes or, in the absence of local codes, with
the National Fuel Gas Code, ANSI Z223.1 / NFPA54.
• This heater creates warm air currents. These
currents move heat to wall surfaces next to the
heater. Installing the heater next to vinyl or cloth
wall coverings or operating the heater where
impurities in the air such as tobacco smoke exist,
may discolor walls.
• Do not use a blower insert, heat exchanger
insert or other accessory not approved for use
with this heater.
20005004
5
Vermont Castings UVS27 Vent-Free Gas Heater
Gas Specifications
Max. Min.
Input Input
Model Fuel Gas Control BTU/h BTU/h
UVS27RN Nat Millivolt 28,000 19,500
UVS27RP Prop Millivolt 28,000 19,500
UVS27MN Nat Millivolt 28,000 19,500
UVS27MP Prop Millivolt 28,000 19,500
Firebox weight / shipping 110 lbs.
Gas Inlet and Manifold Pressures
Natural LP (Propane)
Inlet Minimum 5.5” w.c. 11” w.c.
Inlet Maximum 14” w.c. 14” w.c.
Manifold Pressure 3.5” w.c. 10” w.c. (MP)
11” w.c. (RP)
UVS27R & UVS27M Vent-Free
Certified to:
ANSI Z21.11.2a-2001
Unvented Heaters
The installation of your Vermont Castings stove must
conform with local codes, or in the absence of local
codes, with the National Fuel Gas Code ANSI
Z223.1 - latest edition. (EXCEPTION: Do not derate
this appliance for altitude up to 4,500 feet (1,370m).
Maintain the manifold pressure at 3.5” w.c. for
Natural Gas and 11.0” w.c. for LP Gas.
This appliance may be installed in an
aftermarket* manufactured (mobile)
home, where not prohibited by state or
local codes.
This appliance is to be used only with the
type of gas specified on the rating plate
which is attached to the rear panel. This
appliance is not convertible for use with
other gases.
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 and/or local codes having jurisdiction.
WARNING: Improper installation, adjustment, alteration, service or maintenance can
cause injury or property damage. Refer to
this manual for correct installation and
operational procedures. For assistance or
additional information consult a qualified
installer, service agency, or the gas supplier.
Odor During Operation
Neither natural gas nor propane gas give off an odor
when burned. The nature of a vent free combustion
system, however, is such that odors may occasionally be produced during heater operation when
impurities exist in the immediate area. Cleaning
solutions, paint, solvents, cigarette smoke, candles,
adhesives, new carpet or textiles, etc., all can create
fumes. These fumes may mix with combustion air
and can create odor. Such odors will disappear over
time, however the condition can be alleviated by
opening a window or otherwise providing additional
ventilation to the area.
*Aftermarket: Completion of sale, not for purpose of resale, from
the manufacturer.
6
20005004
Vermont Castings UVS27 Vent-Free Gas Heater
Vent Free Features
The UVS27, Model Nos. 3030 thru 3033, is an
unvented gas heating appliance tested and listed to
the ANSI standard Z21.11.2a-2001. This appliance is
specifically configured to burn either Natural Gas or
Propane fuel, as indicated on the metal rating plate
attached to the rear shroud. The UVS27 is not fuel
convertible.
The firebox is shipped fully assembled and ready for
installation with either the Stardance (SUV) or the
Pinnacle (PUV) shell assemblies.
The firebox assembly is composed of the NG or LP
Burner, a base plalte, firebox and screen. The log set,
burner tube, gas valve and pilot comprise the Burner
assembly. (Fig. 1)
The UVS27M is equipped with an SIT control for
manual use only.
The UVS27R is equipped with a Honeywell control
valve that allows thermostatic control, on/off switch or a
remote switch (not supplied).
Both models incorporate variable regulators that allow
you to adjust burner heat output between HIGH,
(28,000 BTU), and LOW, (19,500 BTU). See the
Operation Section for details.
The standing pilot incorporates an Oxygen Depletion
System (ODS/pilot) designed to shut off the appliance if
enough fresh air is not available.
Fresh Air Requirements for Combustion
and Ventilation
WARNING
This heater must have fresh air for proper operation.
If not, poor fuel combustion could result. Read the
following instructions to insure proper fresh air for
this and other fuel-burning appliances in your
home.
Modern construction standards have resulted in homes
that are highly energy-efficient and that allow little heat
loss. Your home needs to breathe, however, and all
fuel-burning appliances within it require fresh air in
order to function properly and safely. Exhaust fans,
clothes dryers, fireplaces, and other fuel burning
appliances all use the air inside the building. If the
available fresh air is insufficient to meet the demands
of these appliances, problems can result.
The UVS27R/M Unvented heater has specific fresh air
requirements.
air requirements will be met within the space where
the appliance will be installed.
tion will help you insure that adequate fresh air is
available for the heater to function properly.
You must determine that these fresh
The following informa-
Provide For Adequate Ventilation
Any space within a home can be classified in the
following categories:
1) Unusually Tight Construction
2) Confined Space
3) Unconfined Space
First, determine which classification defines the
intended space.
Unusually Tight Construction
You must provide additional fresh air if the space falls
into this classification.
defined as construction wherein:
a. walls and ceilings exposed to the outside
atmosphere have a continuous water vapor retarder
with a rating of one perm or less with openings
gasketed or sealed
b. weather stripping has been added on openable
windows and doors
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.
If your home meets all of the three criteria above, you
must provide supplemental fresh air for the appliance
from outside the home as detailed on page 7, B.
If your home does not meet the above criteria, follow
the procedure below.
Unusually Tight Construction
and
and
is
Determine if You Have a Confined or
Unconfined Space
Use the following formula to determine if you have a
confined or unconfined space.
Space
the heater plus any adjoining rooms with doorless
passageways or ventilation grilles between the rooms.
The National Fuel Gas Code defines a confined space
as a space whose volume is 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, (4.8
m3 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.
1. Determine the volume of space, (length x width x
height). Include adjoining rooms connected by doorless
passageways or ventilating grilles.
is defined as the room in which you will install
20005004
7
Vermont Castings UVS27 Vent-Free Gas Heater
Example:
A room that is 18' x 12' x 8' has a volume of 1728
cubic feet, ( length x width x height). An adjoining open
kitchen that is 10' x 12' x 8' has a volume of 960 cubic
feet. An adjoining open dining room is 12' x 12' x 8'
with a volume of 1152 cubic feet. The total space
volume is 3840 cubic feet. (1728 + 960 + 1152).
2. Divide the volume of space by 50 cubic feet. The
result is the maximum BTU/Hr that the space can
support.
Example:
3840 divided by 50 = 76.8 or 76,800 BTU/Hr.
3. Add the BTU/Hr ratings of all fuel-burning appliances installed in the same space, including the
following:
Gas Water Heater Gas Furnace
Gas Fireplace Logs Unvented Gas Heater
Vented Gas Heater* Other Gas Appliances*
* Do not include Direct Vent appliances as these
utilize outside air for combustion and vent to the
outdoors.
Example:
Gas Range 55,000 BTU/Hr
Unvented Heater +33,000 BTU/Hr
Total 88,000 BTU/Hr
4. Compare the maximum BTU/Hr rating the space can
support with the total BTU/Hr used by the appliances.
Example:
76,800 BTU/Hr - max. the space can support
88,000 BTU/Hr - total used by appliances
In this example, the maximum BTU/Hr that the space
can support is less than the total used by the appliances, the space is considered to be
Confined space
Additional air must be provided to meet the requirements of the Unvented heater.
A confined space may be ventilated in two ways:
A) Open up or provide at least two ventilating grilles
to an adjoining unconfined space. Use any of the
options illustrated in Figure 8.
Each of the two grilles must provide an opening of
at least 50 square inches, with all opening dimensions
being at least 3". One grille must be located within 12"
of the ceiling; the other within 12" of the floor. (If the
total exceeds 100,000 BTU/Hr, additional grilles will be
required.)
B) Vent the room directly to the outdoors. (Provide
one square inch of opening for each 4,000 BTU/hr.
If the total BTU/Hr used by the appliances is less than
the maximum BTU/Hr the space is able to support, the
room meets the Unconfined space
criteria and no
further ventilation is required.
For further information on ventilation guidelines and
sizing specifications follow the National Fuel Gas Code
NFPA 54/ANSI Z223.1 Section 5.3.
WARNING
This heater shall not be installed in a confined
space or unusually tight construction unless
provisions are made for adequate combustion
and ventilation air.
WARNING
If the area in which the heater may be operated
is smaller than that defined as an unconfined
spaceof if the building is of unusually tight
constructins, provide adequate combustion and
.
ventilation air by one of the methods described
in the National Fuel Gas Code, ANSI Z223.1,
NFPA 54, Section 5.3 or applicable codes.
Option 1
Vents to
Adjoining
Room
Fig. 8 Vent options to provide additional air.
8
Option 2 Remove
Door to
Adjoining
Rooms
12”
Option 3 Vents to
Adjoining
Room
12”
VO370-2
20005004
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