Installation and operating instruction
Oil burner WL40/1-A Z-1LN-A
12 Project planning
83319702 1/2020-10 La
95-116
Single pipe system
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NOTICE
Damage to the oil pump caused by incorrect connection
Mixing up supply and return can damage the oil pump.
Ensure correct connection of oil hoses to the supply and return of the pump.
If the oil is supplied via a single pipe system, and automatic de-aerator must be in-
stalled in front of the oil pump.
Two pipe system
In a two pipe system the oil pump is vented automatically.
Ring main operation
Weishaupt recommends the use of a ring main when operating several burners.