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113084-01E2
SAFETY INFORMATION
TABLE OF CONTENTS
Safety Information ............................................... 2
Product Identication ........................................... 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
Troubleshooting ................................................. 19
Illustrated Parts Breakdown and Parts List........ 22
Specications .................................................... 26
Replacement Parts ............................................ 26
Service Hints ..................................................... 26
Technical Service............................................... 26
Wiring Diagram .................................................. 26
Accessories ....................................................... 27
Warranty Information ...........................Back Cover
WARNING: The SVYD-
18NRA/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 Sufx Designation)
WARNING: Improper in-
stallation, adjustment, al-
teration, service or main-
tenance can cause injury
or property damage. Refer
to this manual for correct
installation and operation-
al procedures. For assis-
tance or additional infor-
mation consult a qualied
installer, service agency
or the gas supplier.
WARNING: This is an un-
vented gas-red heater. It
uses air (oxygen) from the
room in which it is installed.
Provisions for adequate
combustion and ventila-
tion air must be provided.
Refer to Air for Combustion
and Ventilation section on
page 5 of this manual.
This appliance may be in-
stalled in an aftermarket,*
permanently located,
manufactured (mobile)
home, where not prohib-
ited 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
State of Massachusetts: The installation
must be made by a licensed plumber or
gas tter in the Commonwealth of Mas-
sachusetts.
Sellers of unvented propane or natural
gas-red supplemental room heaters shall
provide to each purchaser a copy of 527
CMR 30 upon sale of the unit.
Vent-free gas products are prohibited for
bedroom and bathroom installation in the
Commonwealth of Massachusetts.