www.desatech.com
121231-01B
6
WARNING: Review and un-
derstand the warnings in the
Safety
section, page 2. They are
needed to safely operate this
heater. Follow all local codes
when using this heater.
TO START HEATER
1. Follow all installation, ventilation and
safety information.
2. Locate heater on stable and level surface.
Make sure strong drafts do not blow into
front or rear of heater.
3. Plug power cord of heater into a 3-prong,
grounded extension cord. Extension cord
must be at least 6 feet (1.83 m) long,
UL/CSA listed and of a proper size.
Extension Cord Size Requirement
Up to 100 feet (30.5 m) long, use 16 AWG
rated cord.
101 to 200 feet (30.78 to 61 m) long, use
14 AWG rated cord.
4. Plug extension cord into a 120 volt/60
hertz, three-hole, grounded outlet. Motor
will start. Fan will turn, forcing air out front
of heater.
5. Open propane supply valve on propane
tank(s) slowly.
Note: If not opened slowly, excess-flow
check valve on propane tank will stop
gas flow. You may hear a click from the
excess-flow check valve closing. If this
happens, reset the excess-flow check
valve by closing propane supply valve
and open again slowly.
6. Press and hold in fuel valve button. Heater
should ignite within a few seconds.
Note: If heater fails to ignite, hose may
have air in it. If so, keep fuel valve button
pressed and wait 20 seconds. Release
automatic control valve button and wait 20
seconds for unburned fuel to exit heater.
Repeat step 6.
7. After heater ignites, wait 30 seconds. This
activates the automatic control system.
Release the control knob.
8. When burner remains lit, set heater at the
desired heat level by turning the variable
Btu control knob counterclockwise. If
burner goes out, turn off gas. Turn vari-
able Btu control knob fully clockwise to
the lowest position. Check fuel supply. If
adequate fuel is available, restart heater
beginning at step 1.
TO STOP HEATER
1. Tightly close propane supply valve on
propane tank(s).
2. Wait a few seconds. Heater will burn gas
left in supply hoses.
3. Unplug heater.
oPeration
storage
CAUTION: Disconnect heater
from propane supply tank(s).
1. Store propane tank(s) in safe manner. See
Chapter 5 of
Standard for Storage and
Handling of Liquefied Petroleum Gases,
ANSI/NFPA 58
and the
Propane Installa-
tion Code CAN/CGA B149.2
. Follow all
local codes. Always store propane tanks
outdoors.
2. Place plastic cover caps over brass fittings
on inlet connector and hose/regulator as-
sembly.
3. Store in dry, clean and safe place. Do
not store hose/regulator assembly inside
heater combustion chamber.
4. When taking heater out of storage, always
check inside of heater. Insects and small
animals may place foreign objects in
heater. Keep inside of heater free from
combustible and foreign objects.
