www.desatech.com
119421-01E
2
SAFETy
WARNING: Improper
installation, adjustment,
alteration, service or
maintenance can cause
injury or property dam-
age. Refer to this manual
for correct installation
and operational proce-
dures. For assistance or
additional information
consult a qualified in-
staller, service agency or
the gas supplier.
WARNING: This ap-
pliance is for installation
only in a solid-fuel burn-
ing masonry or UL127
factory-built fireplace or
in a listed ventless firebox
enclosure. It is design-
certified for these instal-
lations in accordance with
ANSI Z21.11.2. Exception:
Do not install this appli-
ance 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.
Provisions for adequate
combustion and ventila-
tion air must be provided.
Refer to
Air for Combustion
and Ventilation
section on
page 5 of this manual.
This appliance may be in-
stalled in an aftermarket,*
permanently located,
manufactured (mobile)
home, where not prohib-
ited 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
WARNING: This product
contains and/or generates
chemicals known to the state
of California to cause cancer or
birth defects or other reproduc-
tive harm.
TAbLE OF CONTENTS
Safety .................................................................. 2
Local Codes......................................................... 4
Product Identification
........................................... 5
Unpacking............................................................ 5
Product Features ................................................. 5
Air for Combustion and Ventilation ...................... 5
Installation ........................................................... 8
Operation ........................................................... 17
Inspecting Burners ............................................ 19
Cleaning and Maintenance ................................ 19
Troubleshooting ................................................. 21
Specifications
.................................................... 24
Replacement Parts ............................................ 25
Technical Service............................................... 25
Service Hints ..................................................... 25
Accessories ....................................................... 25
Parts .................................................................. 26
Warranty ..............................................Back Cover