Desa SVYD18PRA, SVYD18NRA User Manual
UNVENTED (VENT-FREE) GAS STOVE HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
Oxford™
Patent Pending
Victor Hearth
Models SVYD18NRA and SVYD18PRA Series Remote-Ready
Control Gas Log Heater (Burner System For Cast Iron Stoves)
®
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 supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency, or the gas supplier.
Save this manual for future reference.
For more information, visit www.desatech.com
WARNING: The SVYD18NRA/PRA series vent-free gas
log heater is only approved for use in the VCIS(*) series,
PVCIS(*) series, or VH(*)A series cast iron stove models.
(* Indicates Color Suffix Designation)
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.
WARNING: 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
Ventilation
section on page 5 of this manual.
Air for Combustion and
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.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
TABLE OF CONTENTS
Safety Information ............................................... 3
Product Identification .......................................... 4
Local Codes ........................................................ 5
Product Features ................................................ 5
Air For Combustion And Ventilation .................... 5
Installation ........................................................... 8
Operating Heater .............................................. 14
Inspecting Burners ............................................ 17
Cleaning and Maintenance ............................... 18
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Troubleshooting ................................................ 19
Illustrated Parts Breakdown and Parts List ....... 22
Specifications .................................................... 26
Replacement Parts ........................................... 26
Wiring Diagram ................................................. 26
Service Hints ..................................................... 26
Technical Service .............................................. 26
Accessories ....................................................... 27
Warranty Information.......................... Back Cover
SAFETY INFORMATION
WARNING: This product contains and/or generates chemicals
known to the state of California
to cause cancer or birth defects,
or other reproductive harm.
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.
WARNING: Do not allow fans
to blow directly into the heater.
Avoid any drafts that alter burner
flame patterns. Ceiling fans can
create drafts that alter burner
flame patterns. Altered burner
patterns can cause sooting.
Due to high temperatures, the
appliance should be located out
of traffic and away from furniture and draperies.
Do not place clothing or other
flammable material on or near
the appliance. Never place any
objects on the heater.
DANGER: Carbon monoxide
poisoning may lead to death!
Carbon Monoxide Poisoning: Early signs of car-
bon 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 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.
Natural and Propane/LP Gas: Natural and propane/
LP gases are odorless. An odor-making agent is
added to the gas. The odor helps you detect a gas
leak. However, the odor added to the gas can fade.
Gas may be present even though no odor exists.
Make certain you read and understand all warnings. Keep this manual for reference. It is your
guide to safe and proper operation of this heater.
WARNING: Any change to
this heater or its controls can be
dangerous.
WARNING: Do not use a
blower insert, heat exchanger
insert, or other accessory not
approved for use with this
heater.
Stove becomes very hot when
running heater. Keep children
and adults away from hot surface to avoid burns or clothing
ignition. Heater will remain hot
for a time after shutdown. Allow
surface to cool before touching.
Carefully supervise young children when they are in the room
with stove. When using the optional hand-held remote accessory, keep selector switch in the
OFF position to prevent children
from turning on burners with
remote.
Keep the appliance area clear
and free from combustible materials, gasoline, and other flammable vapors and liquids.
1. 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.
2. Do not place propane/LP supply tank(s) inside any structure. Locate propane/LP supply
tank(s) outdoors (propane/LP units only).
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SAFETY INFORMATION
Continued
3. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do not
use any phone in your building
• immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions
• if you cannot reach your gas supplier, call
the fire department
4. This heater shall not be installed in a bedroom
or bathroom.
5. Do not use this stove as a wood burning fireplace. Use only model SVYD18PRA/NRA series vent-free gas log heater for VCIS(*),
PVCIS(*), and VH(*)A series cast iron stove
models.
6. Do not add extra logs or ornaments such as
pine cones, vermiculite, or rock wool. Using
these added items can cause sooting.
7. This log heater is designed to be smokeless.
If logs ever appear to smoke, turn off heater
and call a qualified service person.
ing initial operation, slight smoking could occur due to log curing and heater burning manufacturing residues.
8. To prevent the creation of soot, follow the
instructions in Cleaning and Maintenance,
page 18.
9. Before using furniture polish, wax, carpet
cleaners, or similar products, turn heater off.
If heated, the vapors from these products may
create a white powder residue within burner
box or on adjacent walls or furniture.
10. This heater needs fresh, outside air ventilation to run properly. This heater has an Oxygen Depletion Sensing (ODS) safety shutoff
system. The ODS shuts down the heater if not
enough fresh air is available. See Air for Com-
bustion and Ventilation, page 5. If heater keeps
shutting off, see Troubleshooting, page 19.
11. Do not run heater
• where flammable liquids or vapors are used
or stored
• under dusty conditions
12. Do not use this stove to cook food or burn
paper or other objects.
Note:
Dur-
13. Do not use 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.
14. Do not operate heater if any log is broken. Do
not operate heater if a log is chipped (dimesized or larger).
15. Turn heater off and let cool before servicing.
Only a qualified service person should service and repair heater.
16. Operating heater above elevations of 4,500
feet could cause pilot outage.
17. To prevent performance problems, the use of
a propane/LP tank of less than 100 lb. capacity (propane/LP units only).
18. Provide adequate clearances around air
openings.
PRODUCT
IDENTIFICATION
Stove
Body
One Piece
Log Set Inside
Stove Cavity
Stove Door
(Shown in the
open position)
Piezo
Ignitor
Gas Log Heater
Base Assembly
Figure 1 - Typical Stove Cabinet Model with
Gas Log Heater (Shown is Oxford™ Model
with Model SVYD18PRA/NRA Heater)
ON
OFF
REMOTE
Optional
Remote
Selector
Switch
H
I
O
F
F
N
LO
O
P
I
T
L
O
Control
Knob
Flame
Adjustment
Knob
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LOCAL CODES
Install and use heater with care. Follow all local
codes. In the absence of local codes, use the latest
edition of The National Fuel Gas Code, ANSI
Z223.1/NFPA 54*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
PRODUCT FEATURES
OPERATION
This heater is clean burning. It requires no outside
venting. There is no heat loss out a vent or up a
chimney. Heat is generated by realistic, dancing
yellow flames. This heater is designed for ventfree operation. State and local codes in some areas prohibit the use of vent-free heaters.
SAFETY PILOT
This heater has a pilot with an Oxygen Depletion
Sensing (ODS) safety shutoff system. The ODS/
pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is
not enough fresh air.
PIEZO IGNITION SYSTEM
This heater has a piezo ignitor. This system requires no matches, batteries, or other sources to
light heater.
AIR FOR COMBUSTION
AND VENTILATION
WARNING: This heater shall
not be installed in a confined space
or unusually tight construction
unless provisions are provided
for adequate combustion and ventilation air. Read the following instructions to insure proper fresh
air for this and other fuel-burning
appliances in your home.
Today’s homes are built more energy efficient than
ever. New materials, increased insulation, and new
construction methods help reduce heat loss in
homes. Home owners weather strip and caulk
around windows and doors to keep the cold air out
and the warm air in. During heating months, home
owners want their homes as airtight as possible.
While it is good to make your home energy efficient, your home needs to breathe. Fresh air must
enter your home. All fuel-burning appliances need
fresh air for proper combustion and ventilation.
Exhaust fans, fireplaces, clothes dryers, and fuel
burning appliances draw air from the house to
operate. You must provide adequate fresh air for
these appliances. This will insure proper venting
of vented fuel-burning appliances.
PROVIDING ADEQUATE
VENTILATION
The following are excerpts from National Fuel
Gas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air
for Combustion and Ventilation.
All spaces in homes fall into one of the three following ventilation classifications:
1. Unusually Tight Construction
2. Unconfined Space
3. Confined Space
The information on pages 5 through 7 will help
you classify your space and provide adequate ventilation.
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AIR FOR COMBUSTION
AND VENTILATION
Continued
Unusually Tight Construction
The air that leaks around doors and windows may
provide enough fresh air for combustion and ventilation. However, in buildings of unusually tight
construction, you must provide additional fresh air.
Unusually tight construction is defined as
construction where:
a. walls and ceilings exposed to the out-
side atmosphere have a continuous
water vapor retarder with a rating of
one perm (6 x 10
or less with openings gasketed or
sealed and
b. weather stripping has been added on
openable windows and doors and
c. caulking or sealants are applied to ar-
eas 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 these three criteria, you must provide additional fresh air.
See
Ventilation Air From Outdoors
If your home does not meet all of the three
criteria above, proceed to
Fresh-Air Flow For Fireplace Location,
column 2.
Confined and Unconfined Space
The National Fuel Gas Code, ANSI Z223.1/NFPA
54 defines a confined space as a space whose vol-
ume 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 m
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.
* Adjoining rooms are communicating only if there
are doorless passageways or ventilation grills between them.
-11
kg per pa-sec-m2)
, pag e 7
Determining
DETERMINING FRESH-AIR FLOW
FOR HEATER LOCATION
Determining if You Have a Confined or
Unconfined Space
Use this work sheet to determine if you have a
confined or unconfined space.
Space: Includes the room in which you will install
fireplace plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
1. Determine the volume of the space (length x
width x height).
Length x Width x Height =__________cu. ft.
(volume of space)
Example:
(width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space)
If additional ventilation to adjoining room is supplied with grills or openings, add the volume of
these rooms to the total volume of the space.
2. Multiply the space volume by 20 to determine
the maximum Btu/Hr the space can support.
__________ (volume of space) x 20 = (Maxi-
mum Btu/Hr the space can support)
Example:
51,200 (maximum Btu/Hr the space can support)
3. Add the Btu/Hr of all fuel burning appliances in
the space.
Vent-free fireplace __________ Btu/Hr
.
Gas water heater* __________ Btu/Hr
Gas furnace __________ Btu/Hr
Vented gas heater __________ Btu/Hr
Gas fireplace logs __________ Btu/Hr
Other gas appliances* + _________ Btu/Hr
Total = _________ Btu/Hr
* Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors
and vents to the outdoors.
Example:
Gas water heater _________ Btu/Hr
Vent-free fireplace + _________ Btu/Hr
3
Total = _________ Btu/Hr
4. Compare the maximum Btu/Hr the space can
support with the actual amount of Btu/Hr used.
________
________
Example:
The space in the above example is a confined space
because the actual Btu/Hr used is more than the maximum Btu/Hr the space can support. You must provide additional fresh air. Your options are as follows:
Space size 20 ft. (length) x 16 ft.
2560 cu. ft. (volume of space) x 20 =
40,000
30,000
70,000
Btu/Hr (maximum the space can support)
Btu/Hr (actual amount of Btu/Hr used)
51,200 Btu/Hr (maximum the space
can support)
70,000 Btu/Hr (actual amount of
Btu/Hr used)
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AIR FOR COMBUSTION
AND VENTILATION
Continued
A. Rework worksheet, adding the space of an adjoin-
ing room. If the extra space provides an unconfined space, remove door to adjoining room or add
ventilation grills between rooms. See Ventilation
Air From Inside Building.
B. Vent room directly to the outdoors. See Ventila-
tion Air From Outdoors.
C. Install a lower Btu/Hr fireplace, if lower Btu/Hr
size makes room unconfined.
If the actual Btu/Hr used is less than the maximum
Btu/Hr the space can support, the space is an unconfined space. You will need no additional fresh air ventilation.
WARNING: If the area in
which the heater may be operated is 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
ANSI Z223.1/NFPA 54 Section
5.3
VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining
unconfined space, you must provide two permanent openings: one within 12" of the ceiling and
one within 12" of the floor on the wall connecting
the two spaces (see options 1 and 2, Figure 2).
You can also remove door into adjoining room (see
option 3, Figure 2). Follow the National Fuel Gas
Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for
Combustion and Ventilation for required size of
ventilation grills or ducts.
National Fuel Gas Code,
or applicable local codes
.
12"
Ventilation
Grills
Into Adjoining
Room,
Option 1
Or
Remove
Door into
Adjoining
Room,
Option
3
Ventilation Grills
Into Adjoining Room,
12"
Option 2
Figure 2 - Ventilation Air from Inside
Building (Oxford™ Stove Model Shown)
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills
or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within
12" of the floor. Connect these items directly to
the outdoors or spaces open to the outdoors. These
spaces include attics and crawl spaces. Follow the
National Fuel Gas Code, ANSI Z223.1/NFPA 54,
Section 5.3, Air for Combustion and Ventilation
for required size of ventilation grills or ducts.
IMPORTANT:
Do not provide openings for inlet
or outlet air into attic if attic has a thermostat-controlled power vent. Heated air entering the attic
will activate the power vent.
Ventilated
Attic
Crawl Space
Ventilated
To Attic
To
Crawl
Space
Outlet
Air
Inlet
Air
Outlet
Air
Inlet Air
Figure 3 - Ventilation Air from Outdoors
(Oxford™ Stove Model Shown)
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INSTALLATION
NOTICE: This heater is intended
for use as supplemental heat.
Use this heater along with your
primary heating system. Do not
install this heater as your primary heat source. If you have a
central heating system, you may
run system’s circulating blower
while using heater. This will help
circulate the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.
IMPORTANT:
the air. Although this is beneficial, installing heater
in rooms without enough ventilation air may cause
mildew to form from too much moisture. See Air
for Combustion and Ventilation, page 5.
CHECK GAS TYPE
Use only the correct type of gas (natural or propane/LP). If your gas supply is not the correct gas
type, do not install heater. Call dealer where you
bought heater for proper type heater.
Vent-free heaters add moisture to
WARNING: This appliance
is equipped for (natural or propane/LP) gas. Field conversion
is not permitted.
WARNING: A qualified service person must install fireplace. Follow all local codes.
WARNING: Never install the
heater
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objects are less than 42 inches
from the front, top, or sides of
the heater
• in high traffic areas
• in windy or drafty areas
CAUTION: This heater creates warm air currents. These
currents move heat to wall surfaces next to heater. Installing
heater next to vinyl or cloth wall
coverings or operating heater
where impurities (such as, but
not limited to, tobacco smoke,
aromatic candles, cleaning fluids, oil or kerosene lamps, etc.)
in the air exist, may discolor
walls or cause odors.
CLEARANCES TO COMBUSTIBLES
WARNING: Maintain the
minimum clearances. If you can,
provide greater clearances from
floor, ceiling, and adjoining side
and back walls.
Carefully follow the instructions below. This stove
is a freestanding unit designed to set directly on
the floor.
IMPORTANT:
mum wall and ceiling clearances during installation. The minimum clearances are shown in Figure 4, page 9. Measure from outermost point of
stove top.
Minimum Wall and Ceiling Clearances
(see Figure 4, page 9)
A. Clearances from outermost point of stove top
to any combustible side wall should not be
less than 12 inches.
B. Clearances from outermost point of stove top
to any combustible back wall should not be
less than 6 inches (includes corner installations).
C. Clearances from the stove top to the ceiling
should not be less than 48 inches.
You must maintain mini-
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INSTALLATION
Continued
Ceiling
Front
48"
View
Minimum
12"
Minimum
Side
Wall
Back Wall
12
"
Minimum
Side Wall Side Wall
Top View
Corner
Wall
6
Minimum
Wall
6
Minimum
"
Front of
Stove Unit
"
6
Minimum
Front of
Stove Unit
"
Ceiling
48"
Minimum
12"
Minimum
12
Minimum
Side
Wall
"
Side
View
Minimum
6"
Back
Wall
4. Remove all contents from inside stove cavity.
Contents include:
(4) - Legs (include leg leveler bolts)
(1) - Bottom door
(3) - Top grates
(1) - Hardware kit bag with fasteners
5. Carefully lay stove body on back to attach
bottom components to stove body (see Figure 5). Rest stove on drop cloth or blanket to
avoid scratching stove edges.
6. Remove remaining pallet wood attached to bottom of stove body (see Figure 6). Use an adjustable wrench or 12mm socket to remove bolts.
7. Fasten each leg to stove with four (4) M8 x
1.25 - 20mm bolts. Use a flat washer and lock
washer with each bolt. Tighten bolts into
threaded holes on stove body (see Figures 7
and 8, page 10). Use an adjustable wrench or
a 12mm socket.
8. Attach stove door by inserting step bolt
through door hinge pivot hole and into
threaded hole in stove body (see Figure 7 and
Figure 10, page 10). Use an adjustable wrench
or a 12mm socket to fasten step bolt. Tighten
step bolt until snug. Make sure door moves
freely.
Top of
Front of
Stove
Unit
Stove Unit
Front of
Stove Unit
Top of
Stove
Unit
Drop
Cloth/
Blanket
Floor
Figure 4 - Minimum Clearance to Walls
and Ceiling (Stove May Vary Depending
on Model)
Figure 5 - Laying Down Stove On Side
Pallet Wood Bolted to
Stove Body Bottom
(Stove Style May Vary Depending on
STOVE CAVITY ASSEMBLY
1. Lift off corrugated box enclosing stove body
crating.
2. Remove all screws fastening the wood frame
Bolt
Model)
Front
Pallet
Wood
enclosure. Spread wood frame open and lift
away from plastic-bagged stove body. The
bottom pieces of pallet wood will remain
bolted to the stove body.
3. Remove plastic bag from stove body.
Pallet Wood
Bottom
Of Stove
Unit
Figure 6 - Removing Pallet Wood From
The Bottom of The Stove
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