www.desatech.com
121486-01F
2
SAFETy
WARNING: Improper
installation, adjustment,
alteration, service, or main-
tenance can cause injury or
property damage. Refer to
this manual for correct in-
stallation and operational
procedures. For assis
-
tance or additional infor-
mation consult a qualified
installer, service agency, or
the gas supplier.
WARNING: This ap
-
pliance is for installation
only in a solid-fuel burning
masonry or UL127 fac-
tory-built fireplace, or in
a listed ventless firebox
enclosure. It is design-cer
-
tified 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 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 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
TABLE OF CONTENTS
Safety .................................................................. 2
Local Codes......................................................... 4
Unpacking............................................................ 5
Product Identification ........................................... 5
Product Features ................................................. 5
Air For Combustion and Ventilation ..................... 5
Installation ........................................................... 8
Operation ........................................................... 17
Inspecting Heater .............................................. 22
Cleaning and Maintenance ................................ 22
Specifications .................................................... 23
Troubleshooting ................................................. 24
Service Hints ..................................................... 28
Technical Service............................................... 28
Replacement Parts ............................................ 28
Wiring Diagram .................................................. 28
Accessories ....................................................... 29
Parts .................................................................. 30
Warranty ..............................................Back Cover