www.desatech.com
113084-01A
2
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, altera-
tion, service, or maintenance can cause injury or prop-
erty damage. Refer to this manual for correct installation
and operational procedures. For assistance or addi-
tional 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.
* 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
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
