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 | 4 | 2 | 5 |
O N
0
O N
1RESET BUTTON WITH CONTROL LAMP
2CONTROL LAMP
3MAIN SWITCH
4ROOM THERMOSTAT PLUG
5POWER CORD
Gap of Electrodes
X
Y
Z
Models | X | Y | Z |
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3500 DF | 0.157 in | 0.098 in | 0.157 in |
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6000 DF | 0.157 in | 0.098 in | 0.157 in |
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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 | 2.5 ft. |
Top | 6 ft. | Air outlet | 12 ft. |
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the room where the heater is operated.
•The air inlet and outlet must never be blocked for any reason.
• 
• 
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
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
• | - |
nate 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.
ENERCO GROUP, INC. Direct Fired Portable Heater | 4 | Operating Instructions and Owner’s Manual |