Wilo DrainLift BOX, Installation And Operating Instructions Manual

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40 Installation and operating instructions • Wilo-DrainLift BOX • Ed.06/2022-10
NOTICE! For the float switch to work properly, the floater must float towards the centre
of the tank. Make sure that the float switch holder is aligned correctly!
Opening a connection port
min.
15 mm
0.5 in
Fig. 7: Preparing the connections
Open the following connection ports:
• Inlet: DN 100
• Venting: DN 100
1. Approx. 15 mm (0.5 in) from the outside, cut open the connection port with a saw.
2. Deburr the connection port.
▶ The connection port is now open.
Installing a mini float switch for high water alarm (only for “DS” version)
An additional mini float switch must be installed for the high water alarm to function. The
mini float switch is available as an accessory.
1
2
3
4
5
Fig. 8: High water level detection
1 Float switch holder
2 Float switch for level control
3 Mini float switch for high water alarm
4 Discharge pipe
5 Float switch cable attachment
✓ Preparatory tasks completed.
✓ Pumps’ position set.
✓ Level control set.
1. Loosen the nut from the threaded bush. Keep approx. 5 mm (0.2 in) distance between
the nut and the end of the threaded bush.
2. Insert the threaded bush into the oblong hole on the float switch holder.
3. Retighten the nut to affix the mini float switch to the float switch holder.
4. Fix the float switch cable to the discharge pipe with a cable tie.
▶ The mini float switch is now installed.
Concealed floor installation: Installing the collar
If watertight concrete is used (white tub), a collar must be fixed to the neck of the tank to
create a seal between the concrete and the tank. The collar is available as an accessory.
2
2 1
3
Fig. 9: Installing the collar
1 Collar
2 Sealing bead
3 Clamp
✓ The neck of the tank must be clean and dry.
✓ The collar must not be damaged.
✓ Observe the manufacturer’s instructions!
1. Place the first clamp over the neck of the tank.
2. Fit the collar onto the neck of the tank, and place it between the two sealing beads.
⇒ Use a lubricant to make installation easier!
3. Introduce the first clamp into the lower groove of the collar and tighten.
4. Place the second clamp over the neck of the tank and introduce it into the upper groove
of the collar.
5. Tighten the second clamp.
▶ The collar is now installed.