Wilo Control EC-L, Installation And Operating Instructions Manual

Page: 48 / 64

en
48 Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09
• Take immediate countermeasures if there is a build-up of toxic or suffocating gases!
9.3 Shut-down To decommission the pumps, switch off the pumps and switchgear at the main switch. The
settings are stored in non-volatile memory in the switchgear and are not deleted. This en-
sures that the switchgear is always ready for operation. Adhere to the following points dur-
ing the standstill period:
• Ambient temperature: -30 … +50 °C
• Max. humidity: 90 %, non-condensing
✓ Parameter input enabled: Menu 7.01 shows on.
1. Press the operating button for 3 s.
⇒ Menu 1.00 appears.
2. Turn the operating button until menu 3.00 appears
3. Press the operating button.
⇒ Menu 3.01 appears.
4. Press the operating button.
5. Change value to “off”.
6. Press the operating button.
⇒ Value saved, pump switched off.
7. Turn main switch to the “OFF” position.
8. Secure the main switch against being activated by unauthorised persons (e.g. lock
main switch)
▶ Switchgear switched off.
9.4 Removal
DANGER
Risk of fatal injury due to electrical current!
Improper conduct when carrying out electrical work can lead to death
due to electric shock!
• Electrical work must be carried out by a qualified electrician!
• Observe local regulations!
✓ Decommissioning performed.
✓ Mains connection is switched so that it is voltage-free and safeguarded against being
activated by unauthorised persons.
✓ The power connection for fault and run signals is switched so that it is voltage-free
and safeguarded against being activated by unauthorised persons.
1. Open the switchgear.
2. Disconnect all connection cables and pull them out through the threaded cable con-
nection.
3. Close off the ends of the connection cables watertight.
4. Seal threaded cable connections watertight.
5. Support the switchgear (e.g. get a second person to help).
6. Loosen the switchgear fastening screws and remove the switchgear from the struc-
ture.
▶ Switchgear removed. Observe the following for storage!
10 Maintenance and repair
DANGER
Risk of fatal injury due to electrical current!
Improper conduct when carrying out electrical work can lead to death
due to electric shock!
• Electrical work must be carried out by a qualified electrician!
• Observe local regulations!