www.desatech.com 119526-01A2
SAFETy INFORMATION
CONTENTS
Safety Information ...............................................2
Product identication ...........................................4
Local Codes.........................................................4
Unpacking............................................................5
Product Features .................................................5
Air for Combustion and Ventilation ......................5
Installation ...........................................................8
Operating Heater ...............................................19
Inspecting Burners.............................................22
Cleaning and Maintenance ................................23
Troubleshooting .................................................24
Specications ....................................................28
Wiring Diagram ..................................................28
Technical Service...............................................28
Service Hints .....................................................28
Replacement Parts ............................................28
Accessories .......................................................29
Illustrated Parts Breakdown and Parts List........30
Warranty Information ..........................Back Cover
WARNING: Improper in-
stallation, adjustment, al-
teration, service or main-
tenance can cause in-
jury or property damage.
Refer to this manual for
correct installation and
operational pro cedures.
For assistance or addi-
tional information con-
sult a qualied installer,
service agency or the gas
supplier.
WARN ING: Thi s is an
unvented gas-red 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,*
pe rman ent ly lo cat ed,
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 con-
tains and/or generates chemicals
known to the State of California
to cause cancer or birth defects
or other reproductive harm.
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, operate
or service this heater. Improper
use of this heater can cause seri-
ous injury or death from burns, re,
explosion, electrical shock and
carbon monoxide poisoning.