Installation and operating instruction
Hydraulic unit WWP LS 8 ... 16-B
9 Servicing
83306902 2/2017-05 La
76-88
9.5 Rinse sludge separator
Observe notes on servicing [ch.9.1].
Close flow and return shut off devices of heating circuit.
Close flow and return shut off devices of hot water circuit.
Provide collecting container.
Remove end cap 4 from sludge separator 1.
Attach the enclosed angle2 (with hose) to the sludge separator.
Open the tap3 with the end cap and rinse the sludge separator.
Refill water quantity via rinsing device:
System pressure = inlet pressure + 0.5 bar.