Commissioning en
Installation and operating instructions Wilo Motor T 17.3, 20.2:, EMU FA, Rexa SUPRA, Rexa SOLID 77
ƒ Bimetallic strip and PTC sensor
ƒ Moisture probe
ƒ Pt100 sensor (if motor bearing monitoring is available!)
Refer to section entitled "Frequency converter operation [}98]" for additional re-
quirements and comply with these!
If the motor features a Digital Data Interface, also guarantee the following prerequis-
ites:
ƒ Network: Ethernet 10BASE-T/100BASE-TX, IP-based
ƒ Protocol support: Modbus TCI/IP
Refer to the separate instructions for the Digital Data Interface for detailed require-
ments!
6.5.8.2 Permanent magnet motor
Guarantee the following conditions when operating permanent magnet motors:
ƒ Frequency converter with connection for PTC sensor
ƒ Network: Ethernet 10BASE-T/100BASE-TX, IP-based
ƒ Protocol support: Modbus TCI/IP
Refer to the separate instructions for the Digital Data Interface for detailed require-
ments!
Permanent magnet motors have been approved for operation with the following fre-
quency converters:
ƒ Wilo-EFC
Other frequency converters on request!
7 Commissioning
WARNING
Foot injuries due to a lack of protective equipment!
Danger of (serious) injuries during work. Wear safety shoes!
NOTICE
Automatic activation after power cut
Depending on the process, the product is switched on and off using separate con-
trols. The product may automatically switch on following power cuts.
7.1 Personnel qualifications
ƒ Electrical work: A qualified electrician must carry out the electrical work.
ƒ Operation/control: Operating personnel must be instructed in the functioning of the
complete system.
7.2 Operator responsibilities
ƒ Providing installation and operating instructions by the pump or at a place specially
reserved for it.
ƒ Making the installation and operating instructions available in the language of the
personnel.
ƒ Making sure that the installation and operating instructions are read and understood
by all personnel.
ƒ All safety devices and emergency cut-outs on the system-side must be active and
checked to ensure that they work properly.
ƒ The pump is suitable for use under the specified operating conditions.
7.3 Direction of rotation check (for
three-phase current motors only)
The pump is factory-checked and adjusted to the correct direction of rotation for a
clockwise rotating field. Connection is made in accordance with the specifications in
chapter “Electrical connection”.
Direction of rotation check
A qualified electrician checks the rotating field at the mains connection with a rotating
field-test device. For the correct direction of rotation, a clockwise rotating field must
be available at the mains connection. The pump is not approved for operation with a
counter-clockwise rotating field! CAUTION!If the direction of rotation is checked
with a test run, comply with the ambient and operating conditions!
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