Wilo Tagus Vac 7 Instrucciones De Instalación Y Funcionamiento página 46

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7. Maintenance and
troubleshooting
• The water and the contact surfaces can be
70 °C or more.
• Wear the required protective clothing.
• The floor can be wet or greasy. Wear
protective shoes.
7.1 Before maintenance
Disconnect the main power supply.
There can be life voltage on the terminal
bars even when the main power supply is
disconnected. Make sure all external power
supplies (e.g. external refill equipment) are
also disconnected from the automat.
Release the pressure of vacuum tank
before maintenance.
7.2 After a power failure
The programmed parameters of the
controller do not change after a power
failure.
• Check the condition of the automat for
integrity after a power failure.
7.3 Maintenance interval
Confirm maintenance in the service menu.
Interval
Annually
Every year before the
peak period
7.4 Change the automat for water treatment
46
Component
Tagus Vac 7-30
On-site dirt trap in the feed line
Vent. device
• Switch off water treatment in the hardware
menu and change the module.
• Adjust the capacity in the parameter menu.
• Switch on "water treatment" in the hardware
menu.
Activity
• Check leak tightness of joints, pumps
and screw connections.
If necessary, seal or tighten the screw
connections.
• Clean the guards.
• Check the functions.
• Vacuum test.
03/2024