Wilo AlarmControl Notice De Montage Et De Mise En Service page 19

7.2.1 Connection of the potential-free contact (AlarmControl 1 only)
WARNING! Danger of electric shock
Pull out the mains plug before opening the equipment.
• Undo the 4 screws on the bottom of the housing and remove the top of the
housing.
• Take cable (e.g. for flashing light or horn) to the terminals 1 and 2 connection
(see Fig. 3).
• Make strain relief and close the housing.
8 Commissioning
• Plug alarm switchgear into the socket
• Trigger the mini-float switch
• The acoustic alarm must be audible
• The potential-free contact must be closed (AlarmControl 1 only)
• The connected consumer is switched off (AlarmControl 2 only)
NOTE: The AlarmControl 2 socket cut-out is 1 pole. To guarantee complete iso-
lation from the mains, pull the plug of the connected consumer out of the
socket.
9 Maintenance
Maintenance and repair work must only be carried out by professionally
qualified personnel.
WARNING! Danger of electric shock
Potential dangers from electrical currents must be eliminated.
• During all maintenance and repair work, the pump must be disconnected
from the power supply and secured against possible unauthorised reconnec-
tion.
To guarantee reliability in operation, we recommend a function test once a year.
To check the storage battery operation, pull the alarm switchgear out of the
socket and operate the float switch. If no acoustic signal is generated, change
the storage battery.
Installation and operating instructions AlarmControl
English
15