en
6 Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09
• Operation/control: Operating personnel, instructed in the func-
tioning of the complete system
2.3 Electrical work
• Electrical work must be carried out by a qualified electrician.
• Before commencing work, disconnect the product from the
mains and safeguard it from being switched on again.
• Observe applicable local regulations when connecting to the
mains power supply.
• Adhere to the requirements of the local energy supply com-
pany.
• Earth the product.
• Observe technical information.
• Replace a defective connection cable immediately.
2.4 Monitoring devices
Circuit breaker
The size and switching characteristics of the circuit breakers must
conform to the rated current of the connected consumer. Ob-
serve local regulations.
2.5 Installing/dismantling
• Locally applicable laws and regulations on work safety and ac-
cident prevention must be complied with.
• Disconnect the product from the mains and secure it against
being switched on again.
• Suitable fixation material must be used for the existing bearing
surface.
• The product is not watertight. Select an appropriate installation
site!
• Do not deform the housing during installation. Seals could leak
and affect the stated IPprotection class.
• The product may not be installed in potentially explosive areas.
2.6 During operation
• The product is not watertight. Comply with protection class
IP54.
• Ambient temperature: -30 … +50°C.
• Maximum humidity: 90%, non-condensing.
• Do not open the switchgear.
• The user must notify the person in charge of every fault or ir-
regularity immediately.
• In case of damage to the product or connection cable, switch
off the product immediately.
2.7 Maintenance tasks
• Do not use any aggressive cleaners or scouring agents or fluids.
• The product is not watertight. Do not submerse the product in
fluids.
• Only carry out maintenance tasks mentioned in these installa-
tion and operating instructions.
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