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OPERATION
Before any attempt of starting the heater is made, check that
your electrical supply conforms to the data on the model plate.
Control Board
1
3
l k
M
l k
1
RESET BUTTON WITH CONTROL LAMP
2
CONTROL LAMP
3
MAIN SWITCH
4
ROOM THERMOSTAT PLUG
5
POWER CORD
Gap of Electrodes
X
Z
Models
X
0.157 in
3500 DF
0.157 in
6000 DF
Clearances
The following minimum safety clearances from materials or objects
in the surroundings of the heater must be ensured:
Sides
2.5 ft.
Air Inlet
Top
6 ft.
Air outlet
• Floors and ceilings must be made of fireproof materials in
the room where the heater is operated.
• The air inlet and outlet must never be blocked for any
ENERCO GROUP, INC. |Direct Fired Portable Heater
2
5
4
Y
Y
Z
0.098 in
0.157 in
0.098 in
0.157 in
2.5 ft.
12 ft.
reason.
• Install the heater on a flat, level floor in a steady position.
• It is forbidden to connect direct-fired heaters to air ducts.
WARNING
• DO NOT USE GASOLINE, NAPHTHA OR VOLATILE FUELS.
• STOP HEATER BEFORE ADDING FUELS.
• ALWAYS FILL OUTDOORS AWAY FROM OPEN FLAME
• DO NOT USE EXTERNAL FUEL SOURCE.
• DO NOT OPERATE HEATER WHERE FLAMMABLE LIQUIDS
OR VAPORS MAY BE PRESENT.
• DO NOT START HEATER WHEN CHAMBER IS HOT
• DO NOT START HEATER WHEN EXCESS FUEL HAS ACCUMU-
LATED IN THE CHAMBER.
• DO NOT PLACE COOKING UTENSILS ON TOP OF THE
HEATER.
• PLUG ELECTRICAL CORD INTO A PROPERLY GROUNDED
THREE-PRONG RECEPTACLE.
The generator can only work automatically when a control device,
such as for example a thermostat or a timer, is connected to the
generator. Connection to the generator is made by removing the
socket cover(4) and inserting the thermostat plug.
To start the machine you must:
•If connected to the thermostat, turn the switch to (ON + );
•If not connected to the thermostat, turn the switch to (ON).
When unit is started for the first time or is started after the oil
tank has been totally emptied, the flow of oil to the burner may
be impaired by air in the circuit. In this case the control box will
cut out the heater and it might be necessary to renew the starting
procedure once or twice by depressing the reset button (1).
Should the heater not start, check that oil tank
is full and depress reset button (1).
Should the heater still not work, please refer to chapter
"OBSERVED FAULTS, CAUSES AND REMEDIES".
STOPPING THE HEATER
Set main switch (3) on "0" position or turn thermostat or other
control device on lowest setting.
The flame goes out and the fan continues to work for approx.
90sec. cooling the combustion chamber.
SAFETY DEVICES
The unit is fitted with an electronic flame control box. In case of
malfunction this box will cut in and stop the heater, at the same
time the pilot lamp in the control box reset button (1) will light up.
Heaters are also equipped with an overheat thermostat safety
cutout which will stop the heater in case of overheating. This
thermostat will reset automatically but you will have to depress
button (1) on control box before being able to restart the heater.
TRANSPORT
WARNING
• Before making any attempt to restart heater find and
eliminate reason of overheating.
Before heater is moved it must be stopped and unplugged. Before
moving the heater wait till it has totally cooled off and make sure
oil tank cap is securely fixed.
4
Operating Instructions and Owner's Manual
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