www.desatech.com
121255-01A
2
SAFETY
WARNING: Improper
installation, adjustment,
alteration, service or main-
tenance can cause injury
or property damage. Refer
to this manual for correct
installation and operation
-
al procedures. For assis
-
tance or additional infor-
mation consult a qualified
installer, service agency or
the gas supplier.
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 is only for
use with the type of gas
indicated on the rating
plate. This appliance is
not convertible for use
with other gases.
This appliance may be in
-
stalled in an aftermarket,*
permanently located,
manufactured (mobile)
home, where not prohib
-
ited by local codes.
* 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 serious injury or death
from burns, fire, explosion,
electrical shock and carbon
monoxide poisoning.
DANGER: Carbon monoxide
poisoning may lead to death!
Carbon Monoxide Poisoning:
Early signs
of carbon monoxide poisoning resemble the
flu, with headaches, dizziness or nausea. If
you have these signs, the heater may not be
working properly.
Get fresh air at once!
Have
heater serviced. Some people are more af
-
fected by carbon monoxide than others. These
include pregnant women, people with heart or
lung disease or anemia, those under the influ
-
ence of alcohol and those at high altitudes.
TAbLE OF CONTENTS
Safety ..................................................................
2
Local Codes
.........................................................
4
Unpacking............................................................
4
Product Identification ...........................................
4
Product Features .................................................
4
Air For Combustion and Ventilation .....................
5
Installation ...........................................................
7
Operation
...........................................................
13
Inspecting Heater ..............................................
16
Cleaning
............................................................
16
Service Hints .....................................................
17
Technical Service...............................................
17
Troubleshooting .................................................
18
Specifications ....................................................
21
Accessories
.......................................................
21
Parts
..................................................................
22
Replacement Parts
............................................
25
Service Publications ..........................................
25
Parts Central
......................................................
25
Warranty
............................................................
26