• Switch off the pump via the menu: symbol changes to
• SBM contact is opened
8.5 DP interface
• Set dual pump operation in accordance with the pump's installation and oper-
ating instructions: function is as described
9 Maintenance
The modules described in these instructions are maintenance-free.
10 Faults, causes and remedies
Have repairs done by qualified skilled personnel only!
WARNING! Danger of electric shock!
Any danger from electrical current should be ruled out.
• The pump should be electrically isolated and secured against unauthorised
switch-on prior to any repair work.
• Damage to the mains connection cables should always be rectified by a qual-
ified electrician only.
WARNING! Risk of scalding!
At high fluid temperatures and system pressures, allow the pump to cool
down first and then depressurise the system.
Installation and operating instructions Wilo-IF-Modules Stratos
English
37