Transportation and storage en
Installation and operating instructions Wilo-Control EC-L 61
▪Ex cut-off relay
▪Zener barrier
5 Transportation and storage
5.1 Delivery
After receiving the shipment, check it immediately for defects (damage, completeness).
The transport company or the manufacturer must be notified of any defects the day the
shipment is received, and the damage noted on the freight documentation. Claims can-
not be asserted if the notification of defects takes place at a later date.
5.2 Transport
▪Clean switchgear.
▪Close housing apertures, ensuring they are sealed watertight.
▪Impact-resistant and watertight packaging.
Replace soaked packaging immediately!
CAUTION
Soaked packaging may tear!
The product may fall on the ground if unprotected and may be damaged. Lift wet
packaging carefully and replace it immediately!
5.3 Storage
▪Pack the switchgear in impact-resistant and watertight packaging.
▪Storage temperature between -30°C...+60°C with a max. relative humidity of 90%.
▪Frost-proof storage at a temperature of 10...25°C with relative humidity of 40...50% is
recommended.
▪Avoid formation of condensation in general!
▪All open threaded cable connections must be sealed to prevent water ingress into the
housing.
▪Attached cables should be protected against kinking, damage, and moisture ingress.
▪To prevent damage to the components, protect the switchgear from direct sunlight and
heat.
▪Clean the switchgear after storage.
▪If there has been water ingress or condensation has formed, get all of the electronic
components tested for correct function. Contact customer service!
6 Installation
▪Check the switchgear for damage in transport. Do not install defective switchgears!
▪Observe the local guidelines for the planning and operation of electronic controls.
▪For the correct adjustment of the level control device, the information on submersion in
water and the switching sequence of the connected pump must be observed.
6.1 Personnel qualifications
▪Electrical work: A qualified electrician must carry out the electrical work.
▪Installation/dismantling: The technician must be trained in the use of the necessary
tools and fixation materials for the relevant construction site.
6.2 Installation types
▪Wall fixation
6.3 Operator responsibilities
▪The installation location is clean, dry and free of vibration.
▪The installation location is overflow-proof.
▪The switchgear is not exposed to direct sunlight.
▪Installation location outside of potentially explosive atmospheres.
6.4 Installation
DANGER
Risk of explosion if the switchgear is installed in potentially explosive
areas!
The switchgear does not have its own explosion protection class and must always be
installed outside of potentially explosive areas! The connection must be made by a
qualified electrician.
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