Wilo DrainLift WS 40, Installation And Operating Instructions Manual

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en Installation and electrical connection
54 WILO SE 05
10.Disconnect the hoisting chain from the lifting equipment and hang it on the chain
hook in the pump chamber.
▶ Pump installed. Next step: Install the level control device.
6.4.14 Install the level control device
The level can be measured in the following ways:
ƒ
Level sensor
ƒ
Float switch
NOTICE! The switchgear must have the correct inputs for the selected signal trans-
mitters!
6.4.14.1 Float switch
1
2
3
4
B
A
Fig. 15: Float switch installation
1 Float switch
2 Retaining pipe
3 Cable tie
4 Pipe clamp to fix the retaining pipe
‡
Do not install the floater directly in the inlet.
‡
Floater has sufficient freedom of movement.
‡
Floater does not bump against the pump chamber.
1. Click the retaining pipe out of the pipe clamp and remove it from the pump cham-
ber.
2. Float switch attached to the retaining pipe with three cable ties. Observe the cable
length and mounting height!
3. Reinstall the retaining pipe in the pump chamber and clip it into the pipe clamp.
DrainLift Attachment point
Cable tie (A)* Cable length
Floater (B)*
WS 40.../WS 50...
460 mm (18 in) 380 mm (15 in)
* The values refer to an inlet floor of 450 mm. The value can be adjusted if the inlet is
higher.
For increased operational reliability, install a separate float switch for high water detec-
tion. In order to prevent a backflow in the inlet pipe, trigger the high water alarm at the
height of the inlet floor!
6.4.14.2 Level sensor
1
2
Fig. 16: Level sensor installation
1 Retaining pipe
2 Level sensor
‡
To prevent backflow in the inlet pipe, set the switching point “Pump ON” approx.
50 mm (2.5 in) below the inlet floor.
‡
Lower part of the level sensor is permanently immersed.
1. Insert the level sensor into the retaining pipe.
2. Adjust the switching points in the switchgear.
DrainLift Pump ON* Pump OFF High water alarm*
WS 40...
0.4 m (16 in) 0.2 m (8 in) 0.45 m (18 in)
WS 50...
0.4 m (16 in) 0.2 m (8 in) 0.45 m (18 in)
* The values refer to an inlet floor of 450 mm. The value can be adjusted if the inlet is
higher.
NOTICE! For increased operational reliability, install a separate float switch for high
water detection!