Electrical Installation; Using N10/16/24/27/29; Starting Instructions; Outdoor Use / Draining - Nederman N10 Bedienungsanleitung

EN N10/16/24/27/29/40
If the fan is fitted with stand on wall or in ceiling, vibration secured fixing
bolts suitable for the wall or ceiling material is to be used. The bolts must each
stand a torque force of minimum 800 N.
If the fan is to be used indoors, and is not mounted on another Nederman
product, it is to be mounted as near the outlet in the room as possible, in order
to give under pressure in the ductwork.
4.2

Electrical installation

NOTE!
local regulations.
Check that the mains voltage is the same as on the fan´s sign plate. Then
connect the fan according to wiring diagram in the fan´s junction box. It is
recommended to supply the fan with a lockable safety switch on the mains
connection cable. A motor overload protector is always to be included in the
electrical installation.
Variable speed drive is not possible on 1-phase fans with standard motors.
For 3-phase fans a frequency converter can be used (max. frequency = rated
frequency).
5

Using N10/16/24/27/29/40

5.1

Starting instructions

WARNING!
The fan must not be used without ductwork connected, unless the in- and
outlet are equipped with approved guard nets.
WARNING!
Ear protectors is to be used when working near the fan.
Check the cable connections for tightness.
Check the earthing of the electric motor.
Start the fan and check that it operates without any excessive vibration and
noise.
NOTE!
rotates in the right direction (see rotation arrow on the motor). If the shaft
rotates in the wrong direction, two of the connection cable conductors must be
reversed. See Figure 6.
5.2

Outdoor use / Draining

Recommended protection class: IP 68. See Figure 7.
If the fan is to be used without any protection outdoors or under other
circumstances where moisture and condensation can be present, it must be
checked that the motor is provided with draining holes. Make sure these holes
are open. In the lowest level in one of the fan casings a draining hole must be
drilled (approx. Ø 5 mm), see Figure 8. Then treat the hole with anticorrosive
agent.
12
All electrical work must be done by a qualified electrician according to
Risk of personal injuries.
Risk of personal injuries.
On 3-phase fans it is recommended to check that the motor shaft