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7. Electrical connection
Electrical installation may only be performed by qualified electricians in accordance with the installation
and operating manual and the national regulations, standards and guidelines in force:
•
EN, DIN and VDE specifications, including all safety requirements.
• Technical connection conditions
•
Safety at work and accident prevention requirements.
This list does not claim to be complete.
Requirements should be applied under one‘s own personal responsibility.
The following points should be noted and followed:
• The electrical connections must be made as shown in the corresponding wiring diagrams and termi-
nal diagrams.
•
The type of cable, size of cable and method of laying should be determined by an authorized elec
-
trician.
•
An all-pole mains disconnection device with at least 3 mm contact gap must be provided in the supply
line.
• Use a separate cable inlet for each cable.
•
Any cable inlets that are not used must be sealed so that it is airtight.
• All cable inlets must have strain relief.
•
Create equipotential bonding between the unit and the duct system.
•
Check all protective measures after the electrical connection work (earthing resistance, etc.).
Unit supply cable
Connect the mains supply cable as shown in the wiring diagram. For the dimensioning of the line, observe
the unit‘s rating plate and the relevant guidelines. Suitable fuse protection should be provided.
•
Electricity warning (hazardous voltage)
»
Failure to observe the hazard may result in death, injury or damage to property.
→ Before performing any work on conductive parts, always disconnect all of the unit from the electricity
supply with all poles and make sure that it cannot be switched back on again.
•
The unit may only be operated with the correct overcurrent protection.
•
This must be established by a qualified electrician.
•
The recommended protection is shown in the enclosed wiring diagram.
•
Pre-fuse 10 A up to max. voltage of 240 V.
7.1. Overcurrent protection
