Desa LSL3124N Electric Heater User Manual


 
www.desatech.com
111347-01E
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 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 stat-
ing 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
Unpacking ........................................................... 4
Product Identification ...........................................
5
Product Features .................................................5
Air For Combustion and ventilation ..................... 5
Installation ........................................................... 8
Operating heater ............................................... 16
Manually-Controlled Models ..............................16
Inspecting burners .............................................20
Cleaning and Maintenance ................................ 21
Troubleshooting .................................................
22
Optional Positioning of Thermostat Sensing Bulb
... 25
Specifications ....................................................
26
Accessories ....................................................... 27
Service Hints ..................................................... 27
Technical Service ..............................................
27
Replacement Parts ............................................27
Illustrated Parts Breakdown and Parts List ....... 28
Warranty Information ......................................... 32