Wilo DrainLift BOX, Installation And Operating Instructions Manual

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en
Installation and operating instructions • Wilo-DrainLift BOX • Ed.06/2022-10 45
6.5 Electrical connection
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!
• Mains connection corresponds to the information on the pump rating plate.
• Route the connection cables according to the local regulations.
• Arrange the socket for the mains connection so that it is overflow-proof.
For the “DS” version with switchgear, observe the following additional points:
• Connect all connection cables (pumps and level control) according to the conductor as-
signments on the switchgear.
• Secure the earthing in accordance with local regulations.
The cross-section of the cable for the protective earth conductor connection must
comply with local regulations.
• Attached switchgear is to be arranged overflow-proof.
6.5.1 Fuse on mains side
Circuit breaker
The size and switching characteristics of the circuit breakers must conform to the rated
current of the connected product. Observe local regulations.
Residual-current device (RCD)
• Install a residual-current device (RCD) in accordance with the regulations of the local
energy supply company.
• If people can come into contact with the device and conductive fluids, install a residual-
current device (RCD).
6.5.2 Mains connection
Wilo-DrainLift Box... E/Wilo-DrainLift Box... D
The lifting unit’s pumps are equipped with shockproof plugs. For the connection to the
mains supply, one or two shockproof sockets (according to applicable local regulations)
must be provided by the customer.
Wilo-DrainLift BOX... DS
The switchgear is equipped with a shockproof plug. For the connection to the mains supply,
a shockproof socket (according to applicable local regulations) must be provided by the
customer.
6.5.3 “DS” version with switchgear The “DS” version is equipped with a switchgear. The switchgear is pre-set in the factory
and features the following functions:
• Level-dependent control
• Motor protection
• High water alarm
After installing the lifting unit, connect the pumps and level control device to the
switchgear. For the connection to the switchgear and for all further information on specific
functions, consult the switchgear’s installation and operating instructions.
6.5.4 Operation with frequency con-
verter Operation on the frequency converter is not permitted.
7 Commissioning
CAUTION
Damage in the pump chamber!
Coarse contaminants can cause damage to the pump chamber. Remove
coarse contaminants from the pump chamber before commissioning.