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Please carefully read and follow all instructions in this manual. Pay
special attention to all warnings and safety information.
Following these safety, care, and operation instructions will help
ensure many years of dependable and enjoyable service from your
fireplace.
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Please read and understand these instructions before installing
or operating.
WARNING: The SVYD18NRA/PRA series vent-
free gas log heater is only approved for use in
the CISB, CISNI, CISAW, or CISAS cast iron stove
models.
(* Indicates Color Suffix Designation)
WARNING: Improper installation, adjustment, al-
teration, service or maintenance can cause injury or
property damage. Refer to this manual for correct in-
stallation 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 Air for Combustion and
Ventilation section on page 5 of this manual.
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.
2
Safety .............................................................................................2
Product Identification .....................................................................4
Local Codes ...................................................................................4
Product Features ............................................................................4
Air for Combustion and Ventilation ................................................5
Installation .....................................................................................7
Operation ....................................................................................12
Inspecting Burners .......................................................................13
Cleaning and Maintenance ...........................................................14
Troubleshooting ...........................................................................15
Specifications ...............................................................................18
Wiring Diagram ............................................................................18
Replacement Parts .......................................................................18
Technical Service .........................................................................18
Service Hints ................................................................................18
Accessories ..................................................................................19
Parts ............................................................................................20
Warranty ......................................................................................23
SAFETY
* Aftermarket: Completion of sale, not for purpose of resale, from
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, explo-
sion, electrical shock and carbon monoxide poisoning.
DANGER: 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 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.
www.Superiorfireplaces.US.com
TABLE OF CONTENTS
the manufacturer
127113-01A
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