Installation en
Installation and operating instructions Wilo-Control EC/ECe-Booster 55
‡ Switchgear is disconnected from the mains and is voltage-free.
1. Loosen the screws on the cover and open the cover/switch cabinet door from the
side.
2. Align the switchgear on the installation site and mark the position for the drill
holes.
3. Drill and clean the mounting holes in accordance with the specifications of the fix-
ation material.
4. Attach the lower part to the wall with the fixation material.
Check the lower part for deformations! Realign deformed housing covers (e.g. by
placing alignment plates below them) to ensure the housing cover closes securely.
NOTICE!If the cover does not close correctly, the protection class is comprom-
ised!
5. Close the cover/switch cabinet door and fasten it with the screws.
▶ The switchgear is installed. Now connect the mains, pumps, and signal transmitter.
6.5 Electrical connection
DANGER
Risk of death due to electrocution!
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 accordance
with the locally applicable regulations.
NOTICE
• Depending on the system impedance and the maximum connections/hour of the
connected consumers, voltage fluctuations and/or drops may occur.
• When using shielded cables, attach the shielding to the earth rail on one side of the
switchgear!
• Always have connection carried out by a qualified electrician!
• Observe the installation and operating instructions for the connected pumps and
signal transmitters.
▪The mains connection current and voltage must be as stated on the rating plate.
▪Execute fuse protection on the mains side in accordance with the local guidelines.
▪If circuit breakers are used, the switching characteristics should be selected according
to the connected pump.
▪Follow local guidelines if residual-current devices (RCD, type A, sinusoidal current, uni-
versal-current-sensitive) are installed.
▪Route connection cable in accordance with the local guidelines.
▪Do not damage the connection cable during routing or installation.
▪Earth the switchgear and all electrical consumers.
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