6 x Oil burner
47
FA ROTEX A1 BO - 10/2007
6.5 Oil burner pump with LE system
The oil burner pump is a self-suctioning gear pump which is connected as a two-strand pump through a venting oil filter. Suction
filters and oil pressure controllers are integrated in the pump.
An LE membrane valve is mounted in the oil preheater directly before the oil nozzle, which prevents pre and post-dripping when
starting and switching off the burner.
To protect the oil pump and LE membrane valve, either insert the enclosed micro-replacement filter insert
MC-7, ( 15 60 13) for short filter cups or the MC-18, ( 15 60 14) for long filter cups in the ventilation
oil filters. Use only filters with a maximum of 25 µm.
A Thermostat
B Connection plug
C Heat exchanger
D PTC heating element
E LE membrane valve
F Oil nozzle
Fig. 6-13 Oil preheater with LE membrane valve
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