1. Where the oil heaters without the exhaust system can be used?
An oil heater is a device intended to be used only in rooms, where the venting system operates efficiently. It is designed to heat up non-residential rooms such as workshops, garages etc. It is intended to be used as additional source of heat. It must not be main source of heat.
2. The heater does not operate, the display shows E1 error. What does it mean?
The E1 message on the display signalizes a failure in the fuel supply system.
Too low air pressure - regulate the pressure by the control screw at the pump enclosure.
Too low fuel level - add the fuel into the tank.
Dirty air filters located in the air pump - clan up the air filters.
3. The heater DED9950 does not operate. When started it produces smoke for a short time and goes off. What to do?
White smoke originating from the combustion chamber indicates improper air & fuel mixture which did not ignite.
Check whether the air filters are dirty. Check whether the fuel nozzle is dirty or clogged.
4. How long can be the exhaust chimney connected to the DEDRA heater?
The heaters DED9955TK and DED9956TK enable connection of a pipe into the direct exhaust system. Pipe of diameter 120mm for DED9955TK and 150cm for DED9956TK, characterized by proper technical and thermal parameters must be pulled over on the heater's stack; between the stack and the exhaust pipe provide a draft interrupter attached to the heater. Holes in the draft interrupter must be open. Max. length of the exhaust pipe for the heater with assembled exhaust system equals 4m.