Wilo DrainLift BOX, Installation And Operating Instructions Manual

Page: 48 / 52

en
48 Installation and operating instructions • Wilo-DrainLift BOX • Ed.06/2022-10
9.2 Operator responsibilities
• Observe locally applicable accident prevention and safety regulations of trade associ-
ations.
• Provide the necessary protective equipment and make sure that the personnel wears it.
• Ensure enclosed spaces have sufficient ventilation.
• Take immediate countermeasures if there is a build-up of toxic or suffocating gases!
• When working in enclosed spaces, a second person must be present for safety reasons.
9.3 Shut-down
The lifting unit is turned off for this, but not completely put out of service. In this way, the
lifting unit can be put back into commission at any time.
Bacteria can form in sewage which can lead to infections. Wear the following protective
equipment while performing the work:
• Protective gloves: 4X42C (uvex C500 wet)
• Safety goggles: uvex skyguard NT
• Breathing protection: Half mask 3M series 6000 with filter 6055 A2
✓ Floor drain or cover plug removed.
✓ Protective equipment put on.
✓ If the lifting unit must be manually drained, operate the pump’s float switch by hand.
To do this, carefully reach into the tank from above and activate the float switch.
DANGER! Risk of limbs being crushed or severed! Never reach into the suction port.
The impeller can crush or sever limbs!
1. Close the gate valve in the inlet pipe.
2. Drain the collection reservoir.
Wilo-DrainLift Box... E/BOX... D : Turn the pump’s float switch upward. As soon as the
fluid has been pumped out, release the float switch.
Wilo-DrainLift BOX... DS: Activate the lifting unit in manual mode.
3. Thoroughly hose down pumps, float switches and the tank with a hose through the
tank opening.
4. Drain the collection reservoir. Repeat steps 3 and 4 as required according to the pollu-
tion degree.
5. Wilo-DrainLift BOX... DS: Switch the switchgear to standby mode.
6. Switch off the lifting unit.
Pull the plug out of the socket. Secure the lifting unit against unexpected reactivation!
7. Close the gate valve in the discharge pipeline.
8. Concealed floor installation : Reinstall the floor drain and seal it with silicone (see “Fi-
nal tasks”).
Floor-mounted installation : Install cover plug with corresponding gasket.
▶ The lifting unit is now out of operation.
10 Maintenance and repair Maintenance and repair work may only be carried out by qualified personnel (e.g. customer
service). Carry out the maintenance intervals in accordance with EN 12056‑4:
• ¼ year in the case of commercial operations
• ½ year for multi-family houses
• 1 year for single-family houses
Keep a record of all maintenance and repair work in a log. The log must be signed by the
qualified employee and the operator.
Carry out a test run after completing the maintenance work.
10.1 Personnel qualifications
• Electrical work: qualified electrician
Person with appropriate technical training, knowledge and experience who can identify
and prevent electrical hazards.
• Maintenance work: skilled person (trained specialist in plant technology for sanitary fa-
cilities)
Hazards caused by sewage, basic knowledge of lifting units, requirements of EN 12056