Weishaupt WL30/1-C Z-1LN-A Installation And Operating Instruction page 91

Installation and operating instruction
Oil burner WL30/1-C Z-1LN-A
12 Project planning
Single pipe system
! 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.
NOTICE
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.
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83325802 1/2022-01 La