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www.desatech.com 111160-01C
2
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
design-certified for these installations in accordance
with ANSI Z21.11.2. Exception: Do not install this appli-
ance in a factory-built fireplace that includes instruc-
tions 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.
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
Unpacking ........................................................... 5
Product Features ................................................ 5
Air for Combustion and Ventilation ...................... 5
Installation ........................................................... 8
Operating Heater .............................................. 20
Inspecting Burners ............................................ 24
Cleaning and Maintenance ............................... 24
Service Hints ..................................................... 25
Technical Service .............................................. 25
Troubleshooting ................................................. 26
Optional Positioning of Thermostat Sensing Bulb
.. 29
Replacement Parts ........................................... 30
Specifications .................................................... 31
Illustrated Parts Breakdown and Parts List ....... 33
Parts Central ..................................................... 42
Accessories ....................................................... 43
Warranty Information .......................... Back Cover