G-U ELTRAL K25, Инструкция по установке и эксплуатации, Страница: 25 / 32

25
05.2015 | G25739 | Printed in Germany
power supply unit must meet the requirements of security class II.
Determining the cross-section of the power supply cable at 24 V DC
At 24 V DC, the cable cross-section must be calculated based on the cable length. The cable
lengths for connecting a drive are listed in the table below.
Cable cross section Cable length
4,00 mm² ~ 180 m
2,5 mm² ~ 110 m
1,5 mm² ~ 70 m
0,75 mm² ~ 35 m
0,5 mm² ~ 23 m
9 Operation
The required fastening material depends on the type of fastening. Installation should be
taken from the description accompanying the bracket set. Depending on the installation type
(concealed mounting, sash or frame mounting), special bracket sets are required
Initial operation
   
Install the drive according to the installation instructions and connect it electrically.
    Make sure that the drive completely closes the sash.
    The drive has an automatic end position recognition with soft running within the last
3 cm.
    If the sash is closed, the chains may run out a maximum of 3 cm. If the sash opens
again by 1 cm after reaching the end position CLOSED, the 3 cm have been exceeded.
Chain may be run out a
max. 3 cm with closed sash!
10 Components and accessories
Description of ELTRAL K25 and ELTRAL K25 Synchro

Chain drive with stainless steel chain and electronic soft power cut-off; low energy
consumption

Drive housing anodised in natural aluminium colour (E6/EV1), special colour on request

Integration into a closing sequence control system is possible

Apart from tandem operation, the drive is also suitable for triple operation on one sash
(specify when ordering)