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This is a propane, direct-fired heater. Propane
is heavier than air. If propane leaks from a
connection or fitting, it sinks to the floor, col-
lecting there with the surrounding air, forming
a potentially explosive mixture. Obviously,
propane leaks should be avoided, so set up
the propane supply with utmost care. Read
Propane/LP Safety, page 4 for additional
information about detecting propane leaks.
Leak check new connections or reconnections
with a soap and water solution and follow all
connection instructions herein. Also, ask your
propane dealer for advice on the propane ap-
plication and supply installation and ask them
to check it if there are any questions.
When the heater is to be operated in the pres-
ence of other people the user is responsible
for properly acquainting those present with
the safety precautions and instructions, and
of the hazards involved.
Make certain you read and understand all
warnings. Keep this manual for reference. It
is your guide to safe and proper operation of
this heater.
1. Check heater thoroughly for damage. DO
NOT operate a damaged heater.
2. DO NOT modify heater or operate a
heater which has been modified from its
original condition.
3. Use only propane/LP gas.
4. Use 20 lb. propane/LP tank or larger.
5. Use only VAPOR WITHDRAWAL pro-
pane supply. The propane cylinder must
be arranged for vapor withdrawal, in
accordance with the Compress Gas As-
sociations, Small Propane Bottle Assem-
bly. If there is any question about vapor
withdrawal, ask your propane dealer.
6. Always fully assemble heater before
each use. Do not use this heater without
securing fuel tank as instructed. Minimum
clearance from fuel tank to ground is 2".
7. Use only hose and regulator assembly
provided with heater.
8. Inspect hose assembly before each use of
heater. If there is excessive abrasion or wear,
or hose is cut, replace with hose assembly
listed on parts list before using heater.
9. This heater is for OUTDOOR USE ONLY,
even so, make sure that there is ample
fresh air ventilation. Do not use in build-
ings, garages or other enclosed spaces.
122139-01A
SAFETy
Continued
10. If at any time gas odor is detected, IM-
MEDIATELY DISCONTINUE operation
until source of gas has been located and
corrected. Read Propane/LP Safety, page
4 for additional information about detect-
ing propane leaks.
11. Install heater such that it is not directly
exposed to water spray, rain and/or drip-
ping water.
12. Maintain minimum clearance to people or
normal combustible material (like paper)
of 18" (0.46 m) from top and 18" (0.46 m)
from the reflector.
13. Operate only on a stable, level surface.
14. Do not spray aerosols near heater during
use or shortly thereafter.
15. Do not clean heater with combustible
or corrosive cleaners. Use warm, soapy
water on external surfaces only. Do not
submerge in water.
16. Check control compartment burners and
circulation air passageways for free air
passage, make sure that there are no
obstructions. These areas are a com-
mon location for spider webs, which can
present a dangerous condition, damage
the heater and render it unsafe for use.
The heater must be checked if any of the
following conditions exist:
a) Gas smell.
b) Heater does not reach temperature.
c) Uneven burner glow.
d) Burner makes popping noises during nor-
17. Use only soapy water (1 part liquid dish
washing detergent to 3 parts water) to con-
duct leak tests whenever a propane cylinder
is connected. Bubbles indicate a leak.
18. Do not adjust gas regulator. If you are
unsure of your appliances gas type or
pressure, call a qualified service person.
19. Always disconnect gas supply after heater
is turned OFF.
20. Do not move, handle or service while hot
or burning.
21. Allow 45 minutes to cool down after use
before attempting to move heater.
22. Do not operate this appliance in windy
conditions. Maximum allowable wind
speed is 10 mph (16 Km/h).
23. Do not operate this appliance in tempera-
ture conditions below 40° F (5° C).
www.desatech.com
mal use, other than during shutdown.
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