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30 Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09
Manual operation pump 1
If the operating button is pressed, pump 1 runs.
If the operating button is released, the pump switches off. The last set
operating mode is active again.
Manual operation pump 2
If the operating button is pressed, pump 2 runs.
If the operating button is released, the pump switches off. The last set
operating mode is active again.
Manual operation pump 3
If the operating button is pressed, pump 3 runs.
If the operating button is released, the pump switches off. The last set
operating mode is active again.
Pump 1 switch off.
Corresponds to the “off” value in menu 3.02.
Pump 2 switch off.
Corresponds to the “off” value in menu 3.03.
Pump 3 switch off.
Corresponds to the “off” value in menu 3.04.
Automatic mode, pump 1
Corresponds to the “Auto” value in menu 3.02.
Automatic mode, pump 2
Corresponds to the “Auto” value in menu 3.03.
Automatic mode, pump 3
Corresponds to the “Auto” value in menu 3.04.
7.7 Factory settings
To reset the switchgear to the factory settings, contact customer service.
8 Commissioning
8.1 Operator responsibilities
• Provide installation and operating instructions at the switchgear or at a place specially
reserved for it.
• Make the installation and operating instructions available in a language the personnel
can understand.
• Make sure that the installation and operating instructions are read and understood by all
personnel.
• The installation site of the switchgear is overflow-proof.
• The switchgear must be properly fused and earthed.
• The signal transmitter must be installed and set in accordance with the system docu-
mentation.
• Observe the minimum water submersion of the connected pumps.
• Safety devices (incl. emergency off) of the entire system are switched on and checked
for trouble-free operation.
• The switchgear is suitable for use under the specified operating conditions.
8.2 Commissioning in explosive atmo-
spheres
The switchgear may not be put into operation in potentially explosive atmospheres!
DANGER
Risk of explosion if the switchgear is installed in potentially ex-
plosive areas!
The switchgear does not have its own explosion protection class and
must always be installed outside of potentially explosive areas! The con-
nection must be made by a qualified electrician.