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6.4
During operation
CAUTION
Do not allow the pump to dry run!
Do not run the pump without fluid (dry run).
Switch off the pump once the residual water
level has been reached. Dry running may des-
troy the seal and cause the pump to be irre-
parably damaged.
Check the following points:
ƒ
Inlet quantity corresponds to the pump delivery rate.
ƒ
Float switch is operating correctly.
ƒ
Connection cable is not damaged.
ƒ
Pump free from deposits and encrustations.
7
Removal
DANGER
Risk of infection due to fluids hazardous
to health!
Hazardous germs can form in standing waters.
If there is a risk of germ formation, observe
the following points:
• Ensure sufficient air exchange.
• Wear a breathing protection mask e.g. 3M
Series 6000 with filter 6055 A2.
• Disinfect product.
ƒ
Wear protective equipment!
ƒ
Depending on the operating mode and duration, the
housing parts become hotter than 40 °C (104 °F).
–
Only touch the product by the carrying handle.
–
Allow product to cool down.
ƒ
Clean the device thoroughly.
7.1
Stationary wet well installation
1. Close the gate valve in the inlet and pressure pipe.
2. Switch off pump.
Pump with a plug: Pull the plug.
Pump firmly connected(without plug): Disconnect
the pump from the mains. DANGER! Have elec-
trical work carried out by a qualified electrician!
3. Disconnect the connection cable from the pressure
pipe.
Installation and operating instructions Wilo-Rexa MINI3
Removal
4. Release the pump and discharge pipe from the
pressure pipe.
5. Lift the pump out of the operating space. CAU-
TION! Always carry the pump by the handle.
Never carry or pull the pump by the connection
cable!
6. Unscrew the discharge pipe from the pressure port.
7. Coil up the connection cable and store it with the
pump.
8. Clean pump and discharge pipe thoroughly.
If the pump remains installed after switching off, observe
the following points:
ƒ
Protect pump from frost and ice:
–
Immerse the pump completely in the pumped fluid.
–
Min. ambient temperature: +3 °C (+37 °F)
–
Min. fluid temperature: +3 °C (+37 °F)
ƒ
If the pump will not be used for a prolonged period,
switch on the pump and carry out one pumping process
every 2 months to prevent encrustations and clogging.
CAUTION! Only carry out the pumping process under
suitable operating conditions. Allowing the pump to
dry run is strictly forbidden! Failure to observe these
instructions will lead to irreparable damage to the
pump!
If the above points are not guaranteed, remove the pump!
7.2
Portable wet well installation
1. Switching off the pump: Disconnect the plug.
2. Lift the pump out of the operating space. CAU-
TION! Always carry the pump by the handle.
Never carry or pull the pump by the connection
cable!
3. Loosen the hose clip and pull the pressure hose off
the discharge port.
4. Coil up the connection cable and store it with the
pump.
5. Clean pump and pressure hose thoroughly.
8
Cleaning
ƒ
Wear protective equipment!
The protective equipment prevents contact with germs
that are hazardous to health and the disinfectant.
ƒ
If a disinfectant is used, follow the manufacturer's in-
structions!
en
13
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