Mounting Instruction; Electrical Installation Of Damper Motor And Accessories; Delay Time; Connection Of Several Operation Boxes - Nederman 591 Serie Manual De Usuario

EN Motor Damper
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Mounting instruction

See Figure 1.
1.
Check that the damper blade in the damper housing is in a completely
closed position. Then fit the damper in the ducting system on the inlet
side of the fan. For safe connection 3 self-drilling screws in each duct
connection is recommended. Check the shaft end position for closed
damper position according to picture.
2. Pull the button (A). Fit damper motor in the correct position according to
picture. Push the button (A).
3. Fit operation box on the wall near to the operators working area.
WARNING! Risk of personal injury.
Break the power supply to OperationBoxes and Fan Contactor before any
electrical work is started.
Electrical Installation of Damper Motor and Ac-
cessories
WARNING! Risk of personal injury.
Electrical installation of the damper system should be done by a qualified
electrician.
Connection should be done according to the wiring diagram.
1.
Connect the cable between the damper motor and the operation box. 3 x
1.0 mm2 cable is recommended.
2.
For damper systems with sensor; connect the sensor cable in the
operation box.
3.
Connect possible spotlight or circuit-breaker for Nederman Extractor
arms.
Check correct voltage connection: block J6.
D3 = light emission diode for voltage connected.

Delay time

The damper system with sensor shuts the damper automatically after
welding, with a delay time of 1 minute. This delay time can be adjusted with a
potentiometer positioned in the operation box (see picture). The time can be
adjusted between 0 and 5 minutes +/- 25 %.

Connection of Several Operation Boxes

Several operation boxes can be connected when a central fan should be
operated. See figure 3.

Connection of Fan Contactor

To start the fan, when any damper is opened, the fan contactor should be
connected to block J2 in one of the operation boxes.