Shut-Down; Clean And Disinfect - Wilo DrainLift WS 40 Einbau- Und Betriebsanleitung

8.3

Shut-down

8.4

Clean and disinfect

Installation and operating instructions Wilo-DrainLift WS 40/50
Shut-down/dismantling
1. Close the gate valve in the inlet pipe.
2. Switch the switchgear to standby mode.
3. Drain the pump chamber.
Activate the pump in manual mode and drain the pump chamber.
4. Close the gate valve in the pressure pipe.
5. Pump out the remaining pumped fluid via emergency draining.
6. Switch off the pumping station: CAUTION! Secure against unauthorised re-start!
- Pull the plug out of the socket.
- Switch off the switchgear at the main switch.
▶ The pumping station is now out of operation.
If the pumping station is out of operation for an extended period, carry out a functional
check at regular intervals (quarterly). CAUTION! Carry out the functional check as de-
scribed under "Test run".
DANGER
Danger due to fluids hazardous to health!
Disinfect the pumping station before carrying out any further work! Wear the fol-
lowing protective equipment while performing cleaning tasks:
• sealed safety goggles
• breathing mask
• protective gloves
⇒ The equipment listed here is the minimum requirement; observe the spe-
cifications of the work regulations! The operator must make sure that per-
sonnel have received and read the work regulations!
‡
Pumping station decommissioned.
‡
A disinfectant in accordance with work regulations is available.
NOTICE! Strictly observe the manufacturer's specifications concerning use!
1. Remove the chamber cover.
2. Switch on the unit:
- Insert plug into the socket.
- Activate the switchgear at the main switch.
3. Open the gate valve in the pressure pipe.
4. Spray the pump chamber from the inside via the chamber opening using clean wa-
ter from top to bottom.
5. Drain the pump chamber.
Activate the pump in manual mode and drain the pump chamber.
6. Repeat steps 4 and 5 until the pump chamber, pump and level control device are
cleaned.
7. Close the gate valve in the pressure pipe.
8. Pump out the remaining pumped fluid via emergency draining.
9. Decommission the pumping station.
10.Allow the pumping station to dry out.
11.Fit the chamber cover.
▶ Pumping station disinfected. The individual components can now be removed.
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