SystemAir 218463, Installation And Operating Instructions Manual

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6 | Electrical connection
Installation positions
Always install in a horizontal position.
Deflector
♦ Position the deflector fins so that after
fastening the jet fan to the ceiling, the air
flow is directed downwards at a 10° angle.
It may be possible to readjust the fans
afterwards depending on the structures
located in the immediate vicinity, such as
girders.
IV
D
Position the fins to specified angle and secure them with 4.2 x 13
self-drilling screws.
Vibration dampers
Important
Risk of damage to the fan due to incorrect vibration dampers
♦ Use the vibration dampers suitable for the respective weight.
♦ Use the vibration dampers with fire resistance classes that match the respective application.
8 Electrical connection
Safety information
♦ Observe 2 Important safety information , page 1
♦ Prevent the ingress of water into the connection box.
Connection
♦
Check if the data on the nameplate matches the
connection data.
♦ Complete the electrical connection according to the
circuit diagram.
♦
Fans with EC- motors must be switched on/off via the
control input.
♦
Connect the cable end in a dry environment.
♦ Install a circuit breaker in the permanent electrical
installation, with a contact opening of at least 3 mm
at each pole.
Protective grounding wire
The protective grounding must have a cross-section equal to or greater than that of the phase conductor.
Residual current circuit breaker
All-current-sensitive residual current circuit breakers are required for use in alternating-current systems with 50/60
Hz, in combination with electronic devices such as EC motors, frequency converters or uninterruptible power supplies
(UPS).
8.1 Protecting the motor
Important
Damage to motor due to overcurrent, overload or short circiut.
♦ Lead-out temperature monitors must be integrated in the control circuit in such a way that, if a fault
occurs, the motor cannot switch on again automatically after it has cooled down.
♦ Motor lines and temperature monitor lines should be laid separately on principle.
♦ Without thermal protection: Use a motor protection switch!
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