Safety .................................................................. 2
Local Codes......................................................... 5
Unpacking............................................................ 6
Installation ........................................................... 8
Operation ........................................................... 19
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 is an
unvented gas-fired heat-
er. 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 Ven-
tilation section on page 6
of this manual.
2
TABLE OF CONTENTS
SAFETy
www.desatech.com
Specifications .................................................... 29
Parts .................................................................. 30
Service Hints ..................................................... 32
Accessories ....................................................... 33
Warranty ..............................................Back Cover
WARNING: This ap-
pliance is for installation
only in a solid-fuel burning
masonry or UL127 factory-
built fireplace or in a listed
ventless firebox enclo-
sure. It is design-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 test-
ed or should not be used
with unvented gas logs.
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
123639-01D