www.desatech.com
118419-01E
10
oPeration
IMPORTANT: Review and under-
stand the warnings in the
Safety
section, page 2. They are needed
to safely operate this heater.
Follow all local ordinances and
codes when using this heater.
TO START HEATER
1. Follow all ventilation and safety information.
2. Locate heater to provide maximum circu-
lation of the heated air. Follow all location
requirements noted in
Safety
, page 2.
3. Fill fuel tank with fuel. Use only kerosene,
#1/#2 diesel/fuel oil, JET A or JP-8 fuels to
avoid risk of fire or explosion. Never use
gasoline, oil drained from crank cases,
naphtha, paint thinners, alcohol or other
flammable fuels.
4. Attach fuel cap.
5. Plug heater’s power cord into approved,
grounded, three-wire extension cord.
Extension cord must be at least six feet
(1.8 m) long.
Extension Cord Size Requirement
6 to 10 feet (1.8 to 3 m) long, use 18 AWG
(0.75 mm
2
) rated cord
11 to 100 feet (3.3 to 30.5 m) long, use 16
AWG (1.0 mm
2
) rated cord
101 to 200 feet (30.8 to 61 m) long, use
14 AWG (1.5 mm
2
) rated cord
6. Plug extension cord into standard 120
volt/60 hertz, 3-prong grounded outlet.
7. Push ON/OFF switch to the ON (|) position.
8. Wait 10 seconds for LED to display. Adjust
thermostat by pressing to change set
point higher. Press to change set tem-
perature lower. If heater set temperature is
higher than the surrounding air tempera-
ture, heater should ignite immediately. If
heater thermostat set temperature is lower
than surrounding air temperature, heater
will not ignite.
A cold heater may affect the thermostat
setting. This thermostat is a general-heat-
ing control. It is not intended for precise
temperature control. Adjust thermostat
until heater cycles at the desired setting.
Lighted ON/OFF
Switch
Thermostat
Control
Temperature
Display
Figure 13 - Control Cover with
Temperature Display
Temperature
Sensor
WARNING: This heater is
equipped with a thermostat.
Heater may start at any time.
TO STOP HEATER
1. Push ON/OFF switch to the OFF (O)
position.
2. Unplug heater when not in use.
TO RESET HEATER
1. Push ON/OFF switch to the OFF (O)
position and wait 10 seconds. (Wait two
minutes if heater has been running.)
2. Repeat steps under
To Start Heater
.
Temperature Display
This heater is equipped with a digital tem-
perature display. The temperature being shown
represents the air nearest to control cover.
The temperature of air in surrounding areas
may be much different from temperature be-
ing displayed. Display may show [ ] when
thermostat control or temperature sensor are
disconnected from control or if they are dam-
aged. If this occurs, control will continue to
operate as before, however, unit will not cycle
off during operation. See Figure 13.
