Manual SUE003

| Electrical connection

9 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).

9.1 Wiring diagram

Wiring diragram

9.2 Protecting the motor & heater

Motor

Note:

In fans equipped with an EC motor, there is no additional motor protection needed. The motor protection is

integrated in the electronics of the motor.

Heater

Note:

• The SUE has a built-in airflow sensor that ensures that the heater will not actuate, unless there is an

appropriate airflow through the duct heater.

• The SUE is equipped with two overheating cut-outs, to prevent overheating when the airflow is too low

or in case of a fault in the system

1 x overheating cut- out with automatically reset

1 x overheating cut- out with manually reset (*Reset button)

199495 | 003