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10 Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09
5.2 Transport
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!
• Clean switchgear.
• Close housing apertures, ensuring they are sealed watertight.
• Impact-resistant and watertight packaging.
5.3 Storage
• Pack the switchgear in dustproof and watertight packaging.
• Storage temperature: -30 … +60°C, max. relative humidity: 90%, non-condensing.
• Frost-proof storage at a temperature of 10°C to 25°C with relative humidity of 40 …
50% is recommended.
• Avoid the formation of condensation at all times!
• All open threaded cable glands must be sealed to prevent water ingress into the hous-
ing.
• Attached cables should be protected against kinking, damage, and ingress of moisture.
• 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, have all the electronic com-
ponents tested for correct function. Contact customer service!
6 Installation
• Check the switchgear for damage caused during transport. Do not install defective
switchgears!
• Observe the local guidelines for the design and operation of electronic controls.
6.1 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
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 ex-
plosive areas!
The switchgear does not have its own explosion protection class and
must always be installed outside of potentially explosive areas! The con-
nection must be made by a qualified electrician.
• Level sensor and connection cable provided by the customer.
• While laying the cables, ensure that there is no tension, no kinking and no pinching that
could damage the cable.
• Check the cable cross-section and length for the routing type chosen.
• Seal unused threaded cable glands.
• Ensure that the following ambient conditions are adhered to:
– Ambient/operating temperature: -30 … +50°C
– Relative humidity: 40 … 50%
– Max. relative humidity: 90%, non-condensing
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