www.desatech.com
113084-01J
2
SAFETY
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 Suffix Designation)
WARNING: Improper
installation, adjustment,
alteration, 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 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 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
WARNING: This product
contains and/or generates
chemicals known to the state
of california to cause cancer or
birth defects or other reproduc
-
tive 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.
DANGER: Carbon monoxide
poisoning may lead to death!
TABLE OF CONTENTS
Safety .................................................................. 2
Product Identification
........................................... 4
Local Codes......................................................... 5
Product Features ................................................. 5
Air For Combustion And Ventilation ..................... 5
Installation ........................................................... 8
Operation ........................................................... 14
Inspecting Burners............................................. 17
Cleaning and Maintenance ................................ 18
Troubleshooting ................................................. 19
Parts .................................................................. 22
Specifications
.................................................... 26
Wiring Diagram .................................................. 26
Replacement Parts ............................................ 26
Technical Service............................................... 26
Service Hints ..................................................... 26
Accessories ....................................................... 27
Warranty ..............................................Back Cover
