www.desatech.com 111244-01F
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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 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 6 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
Product Identification ...........................................4
Optional Remote Control Accessories .................5
Local Codes ........................................................5
Product Features .................................................5
Unpacking ...........................................................5
Hood Assembly ...................................................6
Air for Combustion and Ventilation ......................6
Installation ...........................................................9
Operating Fireplace ...........................................22
Inspecting Burners ............................................27
Cleaning and Maintenance ................................28
Wiring Diagram ..................................................29
Troubleshooting .................................................30
Specifications ....................................................34
Replacement Parts ............................................35
Service Hints .....................................................35
Technical Service ..............................................35
Illustrated Parts Breakdown and Parts List .......36
Accessories .......................................................44
State of Massachusetts: The installation must be made by a licensed plumber or gas fitter in the
Commonwealth of Massachusetts.
Sellers of unvented propane or natural gas-fired 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 Common-
wealth of Massachusetts.