Wilo Control EC-L, Installation And Operating Instructions Manual

Page: 31 / 64

en
Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09 31
8.3 Connection of signal transmitters
and pumps within potentially ex-
plosive atmospheres
DANGER
Risk of explosion due to incorrect connection!
If the connected pump and signal transmitter is installed in an explosive
atmosphere (Ex zone), there is a risk of explosion due to incorrect con-
nection:
• Do not connect electrode in an explosive atmosphere (Ex zone)!
• Connect the float switch using an Ex cut-off relay!
• Connect level sensor via a Zener barrier!
• Switch on ex-mode (menu 5.64)!
• Observe the section on explosive atmospheres in the appendix.
• Connection must be carried out by a qualified electrician.
8.4 Activating the device
8.4.1 Possible error message during ac-
tivation
Depending on the mains connection and the basic settings, the following error message
may occur during activation. The error codes listed and their description apply to commis-
sioning. A complete overview can be found in Chapter “Error codes [
}
51]”.
Code* Fault Software
version Cause Remedies
E006 Rotating field error all • Incorrect rotating field
• Operation with single-phase AC cur-
rent connection.
• Establish a clockwise rotating field at the
mains connection.
• Deactivate rotating field monitoring
(menu 5.68)!
E080.x Pump fault Up to 2.01.x Operation with single-phase AC current
connection. Deactivate motor current monitoring
(menu 5.69)!
E080.x Pump fault From 2.02.x • No pump connected.
• Motor current monitoring not set.
• Connect pump or deactivate minimum
current monitoring (menu 5.69)!
• Set the motor current monitoring to the
pump’s rated current.
Key:
* “x” = represents the pump to which the fault shown applies!
8.4.2 Activating the device
NOTICE
Observe the error code on the display
If the red fault LED lights up or flashes, observe the error code on the dis-
play! If the error has been confirmed, the previous error will be stored in
menu 6.02.
NOTICE
Operating mode after power failure
Following a power failure, the switchgear will automatically start up in
the last operating mode set.
✓ Switchgear is closed.
✓ Installation has been performed correctly.
✓ All signal transmitters and consumers are connected and installed in the operating
space.
✓ If float switches are used, set the switching points correctly.
✓ Motor protection is preset according to the pump data.
1. Turn the main switch to the “ON” position.
2. Switchgear starts.
All LEDs light up for 2 s.