Wilo Rexa UNI Series User Manual

Spare parts en-US
Installation and operating instructions Wilo-Rexa UNI 27
⇒ For frequent occurrence of air cushions: Locate
and prevent air intake, if required install ventilation
systems at specified locations.
6. Pump pumping against excessive pressure.
⇒ Open all gate valves fully on the pressure side.
⇒ Check impeller type, if necessary use a different
impeller type. Contact customer service.
7. Signs of wear on the hydraulics.
⇒ Check components (impeller, suction port, pump
housing) and have them replaced by customer ser-
vice.
8. Pipe system on the pressure side or pressure hose
clogged.
⇒ Eliminate clogging and if necessary replace dam-
aged components.
9. Highly gaseous fluid.
⇒ Contact customer service.
10.Only two phases present on the connection.
⇒ Have the connection checked and trimmed by a
qualified electrician.
11.Excessive decrease in fluid level during operation.
⇒ Check supply/capacity of the system.
⇒ Check switching point of the level control device
and adjust if necessary.
Fault: The pump does not run smoothly and is noisy
1. Impermissible duty point.
⇒ Check pump design and duty point, contact cus-
tomer service.
2. Hydraulics clogged.
⇒ Clean hydraulics.
3. Highly gaseous fluid.
⇒ Contact customer service.
4. Only two phases present on the connection.
⇒ Have the connection checked and trimmed by a
qualified electrician.
5. Incorrect direction of rotation.
⇒ Have the connection trimmed by a qualified elec-
trician.
6. Signs of wear on the hydraulics.
⇒ Check components (impeller, suction port, pump
housing) and have them replaced by customer ser-
vice.
7. Motor bearing is worn.
⇒ Inform customer service; pump back to factory for
overhaul.
8. Pump is installed under tension.
⇒ Check installation, if necessary install rubber com-
pensators.
Further steps for troubleshooting
If the points listed here do not help to rectify the fault,
customer service must be contacted. Customer service
can provide further assistance as follows:
▪Support by telephone or in writing.
▪On-site support.
▪Inspection and repair of the pump at the factory.
Costs may be incurred from further utilization of cus-
tomer service! For more details, please contact cus-
tomer service.
11 Spare parts
Spare parts can be ordered from customer service. To
avoid return queries and incorrect orders, the serial or
article number must always be given. Subject to
change without prior notice!
12 Disposal
12.1 Oils and lubricants
Operating fluid must be collected in suitable tanks and
disposed of in accordance with the locally applicable
guidelines.
12.2 Protective clothing
Used protective clothing must be disposed of in accor-
dance with the locally applicable guidelines.
12.3 Information on the collection of used electrical and
electronic products
Proper disposal and appropriate recycling of this prod-
uct 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:
▪Only hand over these products at designated, certified
collecting points.

Wilo Rexa UNI Series Specifications

General

Brand	Wilo
Model	Rexa UNI Series
Category	Water Pump
Language	English