Wilo DrainLift WS 50 Basic Einbau- Und Betriebsanleitung Seite 60

Fig. 18: Cable bushings
6.4.16 Fit the chamber cover
2
4
3
1
Fig. 19: Install and secure the chamber cover
Installation and operating instructions Wilo-DrainLift WS 40/50 Basic
Installation and electrical connection
Cable bushings for installation in buildings:
ƒ
6 WS...E: 1x M25 + 2x M16
6
ƒ
WS...D: 2x M16 + 2x M25
ƒ
Route the connection cable to the outside via the cable bushings.
Alternatively, the connection cables can also be routed to the outside via the con-
nection for the cable pipe.
ƒ
Do not damage the connection cable (squeeze, bend etc.)!
ƒ
To prevent the connection cables from hanging individually in the pump chamber,
tie the connection cables together with cable ties.
ƒ
Secure the connection cable on the chain hook for strain relief.
NOTICE! To be able to lift the pump out of the chamber (e.g. for maintenance),
make sure that the connection cables are sufficiently long.
ƒ
Lay the connection cable according to the local regulations up to the switchgear or
the socket.
Ground installation
ƒ
Attach the connection cable to the tie member and lead it through the cable pipe or
aeration and venting pipe to the outside.
ƒ
Do not damage the connection cable (squeeze, bend etc.)!
ƒ
To prevent the connection cables from hanging individually in the pump chamber,
tie the connection cables together with cable ties.
ƒ
Secure the connection cable on the chain hook for strain relief.
NOTICE! To be able to lift the pump out of the chamber (e.g. for maintenance),
make sure that the connection cables are sufficiently long.
ƒ
Lay the connection cable according to the local regulations up to the switchgear or
the socket.
DANGER
Risk of explosion due to escaping gases on the chamber cover!
An explosive atmosphere can form within the pump chamber. If the chamber cover is
not sealed airtight, the explosive atmosphere can spread into the operating space.
There is a risk of fatal injury due to explosion! Insert the gasket correctly into the
chamber cover.
ƒ
The chamber cover can be secured against unauthorised opening.
ƒ
The chamber cover can be walked on.
ƒ
The maximum load of the chamber cover is 200 kg (441 lb).
1 Pump chamber
2 Chamber cover
3 Gasket
4 Safety screw
‡
Pump chamber connected to the pipework.
‡
Connection cable led to the outside.
‡
Pump installation checked.
1. Push the gasket over the thread until it is in contact with the chamber cover in the
curve.
2. Place the chamber cover onto the chamber opening and screw it in.
WARNING! Chamber cover not sealed! If the chamber cover is screwed in, make
sure that the gasket is fitted correctly. The gasket must not slip into the
threads. If the gasket slips into a thread, it will be destroyed. The chamber
cover is not sealed. Gases and pumped fluid can escape.
3. Drill a 3 mm hole at the intended location in the chamber cover. Drill a hole through
the cover and the pump chamber.
4. Screw in the enclosed screw.
▶ Chamber cover fitted and secured. Make the electrical connection.
en
59