FlexPAK 800/1000
EN
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11. Terminals: X1: 1-80.
12. Fuse for 24 V DC accessory supply: Fuse F5.
13. Fuse for Pilot Signal (PS) cable: Fuse F4.
14. Terminals Protecve Earth (PE).
3.8 Frequency converter
WARNING! Risk of electric shock.
The frequency converter is not to be opened unl 5 minutes aer the supply voltage has
been disconnected. The capacitors inside the converter hold a very dangerous voltage unl
they have discharged themselves.
CAUTION! Risk of equipment damage.
• Do not adjust any parameters in the frequency converter without wrien authorisaon
from the person responsible for this product. See the Declaraon of Conformity. Any
unauthorised adjustment may void the warranty.
• The unit is not to be started if the cooling hose has been removed.
NOTE! Figure 4 shows the cooling air hose that improves the cooling of the frequency
converter.
NOTE! For parameter sengs in the frequency converter, see the ‘FlexPAK Frequency
Converter Parameter Table’ that is a separate document included with the unit.
The frequency converter controls the unit’s motor so that it operates eciently, as well
as maintaining the unit’s vacuum level to help prevent a dangerous underpressure from
developing. The manual for the frequency converter is enclosed.
4 Accessories
The FlexPAK 800/1000 start and control unit is prepared for the connecon of Nederman
accessories and customer connecons.
The installaon of accessories, extra equipment, and funcons is described in the manual
for each product and according to the electrical diagrams that came with the unit. Consult
your local Nederman representave for available accessories.
The most common accessory is a PS cable, which allows remote start/stop signalling from
the valves on the duct system. See also Chapter ‘6 PLC messages’ and Chapter ‘7 PLC
sengs’ for more informaon about messages and sengs for accessories, and customer
connecons.
5 Use
WARNING! Explosion risk.
• Do not collect material that may cause ignion or blocking. It is strictly prohibited to
collect material that may undergo dangerous chemical or thermal reacons and/or self-
ignite.
WARNING! Risk of electric shock.
• Personnel operang FlexPAK 800/1000 are to pay special aenon to avoiding discharge
of stac electricity. The requirements for the safe use and handling of combusble dust
are described in the explosion protecon document. All personnel are to be informed.