Wilo IF Instrucciones De Instalación Y Funcionamiento página 31

• Carry out installation as described in the previous section
• Carry out electrical installation of the pump as specified in the relevant installa-
tion and operating instructions
• Check the technical specifications of the electric circuits being connected to
ensure they are compatible with the electrical specifications of the IF-Module.
Terminal numbering:
Terminal No.
1
2
3
4
• Connect the incoming BUS line A/B to terminals 1/2
• Connect the outgoing BUS line A/B to terminals 3/4
• Set BUS terminating resistors, if there is no outgoing line
• Check the terminal box seal for any visible damage
• Close the terminal box lid with the screws provided so that the seal is tight all
around
• Carry out commissioning / functional test in accordance with the following main
section
Installation and operating instructions Wilo-IF-Modules Modbus, BACnet
Terminal
A(-) (joined with 3)
B(+) (joined with 4)
A(-) (joined with 1)
B(+) (joined with 2)
English
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