Wilo Isar BOOST5 - Electrical Connection and Safety; Commissioning; Initial Suction Mode Setup

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Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05 13
5.3 Electrical connection
DANGER
Danger of death due to electrical current!
Improper electrical connection can lead to electric shock.
• Have electrical work carried out by a qualified electrician.
• Comply with accident prevention regulations.
• Observe local regulations.
• Install residual-current device (30mA, classA).
• Check earthing connection for proper installation.
• Ensure that the power supply corresponds to the specifications on the rating plate.
5.3.1 Connecting the extension card
DANGER
Danger of death due to electrical current!
The voltage of the external power supply is also present when the main
switch is switched off!
• Disconnect the plug from the power supply before carrying out any
work.
• Have electrical work carried out by a qualified electrician.
• Observe local regulations.
CAUTION
Damage to property due to incorrect installation!
• Device connected to the extension card must only be operated with
separated extra-low voltage (separated extra-low voltage, SELV).
• When removing the cover, do not pull on the cables of the main
switch.
9-10
7-8 0 V
5-6
3-4 OUTPUT
1-2 INPUT
Fig.6: Extension card connections
1. Remove fastening screws on the cover.
2. To access the terminal strip of the extension card, partially remove the cover.
Terminal Description
1-2 Input Level message. Bypass in case of a missing signal
3-4 Output Alarm signal. Max 0.3A at 230V alternating current/
1A at 30V direct current
5-6 RS 485 Communication MASTER / SLAVE
7-8 0 V Not connected
9-10 SLAVE If bridged, the inverter becomes a SLAVE
6 Commissioning
6.1 Suction mode
CAUTION
Damage to property due to dry run!
If the pump runs dry, the mechanical seals will be damaged.
• Fill the pump with water and vent it before commissioning.