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www.desatech.com
117296-01A
2
SAFETY INFORMATION
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.
WARNING: Fire, burn, in-
halation and explosion hazard.
Keep solid combustibles, such
as building materials, paper or
cardboard, a safe distance away
from the heater as recommended
by the instructions. Never use
the heater in spaces which do or
may contain volatile or airborne
combustibles or products such
as gasoline, solvents, paint thin-
ner, dust particles or unknown
chemicals.
WARNING: Not for home or
recreational vehicle use.
The heater is designed for use as a construction heat-
er in accordance with ANSI Z83.7/CGA 2.14. Other
standards govern the use of fuel gases and heating
products for specific uses. Your local authority
can advise you about these. The primary purpose
of construction heaters is to provide temporary
heating of buildings under construction, alteration
or repair. Properly used, the heater provides safe
economical heating. Products of combustion are
vented into the area being heated.
We cannot foresee every use which may be made of
our heaters. Check with your local fire safety au
-
thority if you have questions about heater use.
Other standards govern the use of fuel gases and
heat producing products for specific uses. Your
local authorities can advise you about these.
Carbon Monoxide Poisoning: Some people are
more affected by carbon monoxide than others.
Early signs of carbon monoxide poisoning re
-
semble the flu, with headaches, dizziness and/or
nausea. If you have these signs, the heater may not
be working properly. Get fresh air at once! Check
for proper ventilation and have heater serviced.
Propane Gas: Propane gas is odorless. An odor-
making agent is added to propane gas. The odor
helps you detect a propane gas leak. However, the
odor added to propane gas may fade. Propane gas
may be present even though no odor exists.
Make certain you read and understand all warn
-
ings. Keep this manual for reference. It is your
guide to safe and proper operation of this heater.
1. Install and use heater with care. Follow all
local ordinances and codes. In the absence
of local ordinances and codes, refer to the
Standard for Storage and Handling of Liq
-
uefied Petroleum Gas, ANSI/NFPA 58 and
the Propane Installation Code, CAN/CGA
B149.2. This instructs on the safe storage and
handling of propane gases.
2. Use only the hose and factory preset regulator
provided with the heater.
3. Use only propane gas set up for vapor with
-
drawal.
4. Provide adequate ventilation. Before using
heater, provide at least a 3 ft
2
(0.28 m
2
) open-
ing of fresh, outside air for each 100,000
Btu/hr of rating.
5. Do not use heater in occupied dwellings or in
living or sleeping quarters.
6. Do not use heater in basement or below ground
level.
7. Keep appliance area clear and free from com
-
bustible materials, gasoline, paint thinner and
other flammable vapors and liquids. Dust is
combustible. Do not use heater in areas with
high dust content.
TABLE OF CONTENTS
Safety Information ...............................................2
Product Identification ...........................................3
Unpacking ...........................................................3
Theory of Operation ............................................3
Propane Gas Supply ...........................................4
Ventilation ............................................................
4
Installation Instructions ........................................4
Locating Heater ...................................................4
Operating Instructions .........................................5
Cleaning and Maintenance ..................................6
Troubleshooting ...................................................7
Illustrated Parts Breakdown and Parts List .........8
Specifications ....................................................
10
Replacement Parts ............................................10
Warranty and Repair Service ............................12