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50 Installation and operating instructions • Wilo-Control SC2.0-Booster • Ed.01/2023-09
8.4 Motor protection
• WSK / PTC: No adjustment is required for the excessive temperature protection.
• Overcurrent: see chapter Motor protection [”17]
8.5 Signal transmitters and optional
modules
• For signal transmitters and optional additional modules, observe the respective installa-
tion and operating instructions.
9 Shut-down
9.1 Personnel qualifications
• Electrical work: qualified electrician
Person with appropriate technical training, knowledge and experience who can identify
and prevent electrical hazards.
• Installation/dismantling work: qualified electrician
Knowledge regarding tools and fixation material for various structures
9.2 Operator responsibilities
• Observe locally applicable accident prevention and safety regulations of trade associ-
ations.
• Make sure that the personnel has had the corresponding training for the specified work.
• Train the personnel on how the system operates.
• When working in enclosed spaces, a second person must be present for safety reasons.
• Ensure enclosed spaces have sufficient ventilation.
• Take immediate countermeasures if there is a build-up of toxic or suffocating gases!
9.3 Decommissioning
Deactivate automatic mode
1. Select menu item: Control setting→Standby→Drives, automatic.
2. Select “OFF” drives.
Temporary shutdown
• Switch off the pumps and switch off the control device at the main switch (“OFF” posi-
tion). The settings are stored retentively in the control device and are not deleted. The
control device is ready for operation at any time.
Adhere to the following points during the standstill period:
• Ambient temperature: 0…+40°C
• Max. humidity: 90%, non-condensing
CAUTION
Damage to property due to incorrect storage!
Moisture and certain temperatures can damage the product.
• Protect the product against moisture and mechanical damage.
• Avoid temperatures outside the range of -10°C to +50°C.
Final shutdown
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 in accord-
ance with the locally applicable regulations.
• If the product is disconnected from the mains, secure it against being
switched on again.
1. Switch off the control device at the main switch (“OFF” position).
2. Disconnect the entire unit from the power supply and secure it against being switched
on again.
3. If the terminals for the SBM, SSM, EBM and ESM are occupied, also de-energise the
source of the external voltage present there.
4. Disconnect all power supply lines and pull them out of the threaded cable glands.
5. Seal the ends of the power supply cables so that no moisture can penetrate the cable.
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General