www.desatech.com
119169-01E
2
SAFETY INFORMATION
WARNING: Improper in-
stallation, adjustment, al-
teration, service or mainte-
nance 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 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 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
contains and/or generates
chemicals known to the State
of California to cause cancer or
birth defects or other reproduc-
tive 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.
TABLE OF CONTENTS
Safety Information ............................................... 2
Local Codes......................................................... 4
Product Identification ........................................... 4
Unpacking............................................................ 4
Product Features ................................................. 4
Air For Combustion and Ventilation ..................... 5
Installation ........................................................... 7
Operating Heater ............................................... 15
Inspecting Heater .............................................. 17
Cleaning and Maintenance ................................ 18
Troubleshooting ................................................. 19
Specifications .................................................... 23
Service Hints ..................................................... 23
Replacement Parts ............................................ 23
Technical Service............................................... 23
Service Publications .......................................... 23
Illustrated Parts Breakdown and Parts List........ 24
Wiring Diagrams ................................................ 26
Accessories ....................................................... 26
Parts Centrals .................................................... 27
Warranty Information ...........................Back Cover
