Wilo Rexa MINI3, Инструкция по установке и эксплуатации

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12 Installation and operating instructions • Wilo-Rexa MINI3 • Ed.03/2022-05
4. Place a collector tank underneath the pump.
5. Draining the oil: rotate the pump until the opening points
downwards.
6. Checking the oil: notify customer service if the oil contains
metal swarf!
7. Rotate the pump until the opening points upwards again.
8. Filling the oil: pour the oil in through the opening.
⇒ Comply with requirements concerning oil type and quant-
ity!
9. Clean the screw plug, replace the seal ring with a new one and
fully screw it in.
9.3 General overhaul
Have the customer service team check the pump after 1,500 oper-
ating hours. All components will be checked for wear and damaged
components will be replaced.
10 Faults, causes and remedies
Pump not starting or switches off after a short time
1. Interrupted power supply
⇒ Check the electrical connection of the pump.
⇒ Have a qualified electrician check fuses/residual-current
devices.
2. Thermal motor monitoring has been tripped
⇒ Allow the pump to cool down. The pump will start auto-
matically.
⇒ Pump switches on/off too frequently. Check the switching
cycle of the float switch.
⇒ Excessive fluid temperature. Check the temperature. If ne-
cessary, use a different pump.
3. Suction port/strainer/impeller silted/clogged
⇒ Shut down the pump, remove it and clean it.
4. Float switch not operational
⇒ The float switch must be able to move freely.
Pump starts up, but does not supply fluid
1. Pressure pipe/discharge pipe clogged
⇒ Flush out the pressure pipe.
⇒ Flush out the pressure hose.
⇒ Remove any kinks in the pressure hose.
2. Swing check valve contaminated
⇒ Shut down the pump, remove it and clean the discharge
connection.
⇒ Replace faulty swing check valve.
3. Water level too low
⇒ Check inlet.
⇒ Pump is pumping at a too low level. Check the switching
cycle of the float switch.
4. Suction port/strainer silted/clogged
⇒ Shut down the pump, remove it and clean it.
5. Air in the pump/pressure pipe
⇒ Position the pump at a slight angle to allow air to escape.
⇒ Install a bleed unit in the pressure pipe.
Delivery rate drops while the pump is running
1. Pressure pipe/discharge pipe clogged
⇒ Flush out the pressure pipe.
⇒ Flush out the pressure hose.
⇒ Remove any kinks in the pressure hose.
2. Suction port/strainer silted/clogged
⇒ Shut down the pump, remove it and clean it.
3. Air in the pump/pressure pipe
⇒ Position the pump at a slight angle to allow air to escape.
⇒ Install a bleed unit in the pressure pipe.
4. Signs of wear
⇒ Contact customer service.
Customer service
If the points listed here do not rectify the fault, contact customer
service. Costs may be incurred when using customer service sup-
port! Please contact customer services for more information.
11 Spare parts
Spare parts are ordered via customer service. To avoid return quer-
ies and incorrect orders, the serial or article number must always be
supplied.
Subject to change without prior notice!
12 Disposal
12.1 Information on the collection of used electrical and
electronic products
Proper disposal and appropriate recycling of this product prevents
damage to the environment and danger to your personal health.
NOTICE
Disposal in domestic waste is prohibited!
In the European Union this symbol may be included
on the product, the packaging or the accompanying
documentation. It means that the electrical and
electronic products in question must not be dis-
posed of along with domestic waste.
To ensure proper handling, recycling and disposal of the used
products in question, please note the following points:
• Hand over these products at designated, certified collection
points only.
• Observe the locally applicable regulations!
Please consult your local municipality, the nearest waste disposal
site, or the dealer who sold the product to you for information on
proper disposal. See www.wilo‑recycling.com for more information
about recycling.