Maintenance
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• Unscrew the maintenance port.
• Remove the immersion pipe.
• Ensure that the level <A> in the wastewater container is beneath
the pump flange <33>. Pump the wastewater container empty if
required. See 2.5 for hand pump connection.
7.3.4
Checking the backflow protection device
• Preparing the station for maintenance, draining, see 7.3.3
Plastic fitting
• Remove and clean both* backflow protection devices.
• Ensure that the check valve <16> is free of damage. The seal
must be in optimum condition.
• Reinstall both* backflow protection devices.
• Ensure that the ventilation unit is in the CLOSED position, see
[19].
* One (Mono) or two (Duo) backflow protection devices, depending
on station arrangement.
A
33
[21]
25
16
[22]
Summary of Contents for Aqualift F XL 200
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