www.desatech.com 113097-01C
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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 appliance is for installation only in a
solid-fuel burning masonry or UL127 factory-built fire-
place or in a listed ventless firebox enclosure. It is de-
sign-certified for these installations in accordance with
ANSI Z21.11.2. Exception: Do not install this appliance
in a factory-built fireplace that includes instructions
stating it has not been tested or should not be used with
unvented gas logs.
WARNING: This is an unvented gas-fired heater. It uses
air (oxygen) from the room in which it is installed. Provi-
sions 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,* per-
manently located, manufactured (mobile) home, where
not prohibited by local codes.
This appliance is only for use with the type of gas indi-
cated on the rating plate. This appliance is not convert-
ible for use with other gases.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
TABLE OF CONTENTS
Safety Information ...............................................3
Local Codes ........................................................4
Product Identification ...........................................5
Unpacking ...........................................................5
Product Features .................................................5
Air for Combustion and Ventilation ......................5
Installation ...........................................................8
Operating Heater ...............................................19
Inspecting Burners ...........................................23
Cleaning and Maintenance ................................23
Service Hints .....................................................24
Technical Service ..............................................24
Troubleshooting .................................................25
Optional Positioning of Thermostat Sensing Bulb
..28
Specifications ....................................................29
Illustrated Parts Breakdown and Parts List .......30
Replacement Parts ............................................38
Accessories .......................................................38
Parts Central .....................................................39
Warranty Information ...........................Back Cover