Spare Parts; Disposal; Oils And Lubricants; Protective Clothing - Wilo Rexa UNI Installation And Operating Instructions Manual

⇒ If air cushions occur frequently: Locate and pre-
vent the air intake, if required install ventilation
systems at specified locations.
6. Pump pumping against excessive pressure.
⇒ Open all gate valves on the pressure side com-
pletely.
⇒ Check the impeller shape, use other impeller
shapes if required. Contact customer service.
7. Signs of wear on the hydraulics.
⇒ Have the components (impeller, suction port,
pump housing) checked and replaced by customer
service.
8. Pipe system on the pressure side or pressure hose
clogged.
⇒ Remove clogging and replace the damaged com-
ponents if necessary.
9. Strongly gassing fluid.
⇒ Contact customer service.
10.There are only two phases at the connection.
⇒ Have the connection checked and corrected by a
qualified electrician.
11.Excessive decrease in the fill level during operation.
⇒ Check supply/capacity of the system.
⇒ Have the switching points of the level control
checked and adjusted if necessary.
Fault: The pump does not run smoothly and is noisy
1. Improper duty point.
⇒ Check the pump configuration and the duty point,
contact customer service.
2. Hydraulics jammed.
⇒ Clean the hydraulics.
3. Strongly gassing fluid.
⇒ Contact customer service.
4. There are only two phases at the connection.
⇒ Have the connection checked and corrected by a
qualified electrician.
5. Incorrect direction of rotation.
⇒ Have the connection corrected by a qualified elec-
trician.
6. Signs of wear on the hydraulics.
⇒ Have the components (impeller, suction port,
pump housing) checked and replaced by customer
service.
7. Motor bearings have worn.
⇒ Inform customer service; send the pump back to
the factory for overhauling.
Installation and operating instructions Wilo-Rexa UNI

Spare parts

8. Pump is installed under tension.
⇒ Check installation, install rubber compensators if
Further steps for troubleshooting
If the points listed here do not rectify the fault, cus-
tomer service must be contacted. Customer service can
provide the following remedies:
▪ Telephone or written support.
▪ On-site support.
▪ Inspection and repair of the pump at the factory.
Costs may be incurred if other services of the customer
service are availed! For more details, please contact
customer service.
11 Spare parts
Spare parts are ordered via customer service. To avoid
return queries and incorrect orders, the serial or article
number must always be supplied. Subject to change
without prior notice.
12

Disposal

12.1

Oils and lubricants

Operating fluid must be collected in suitable tanks and
disposed off in accordance with the locally applicable
guidelines.
12.2

Protective clothing

Used protective clothing must be disposed off in ac-
cordance with the locally applicable guidelines.
12.3 Information on the collection of used electrical and
electronic products
Proper disposal and appropriate recycling of this
product prevents damage to the environment and
dangers to your personal health.
NOTICE
Disposal in domestic waste is forbidden!
In the European Union, this symbol can appear 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 follow-
ing points:
necessary.
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