Installation; Preparatory Work And Installation Situation - G-U B-2156 Serie Manual De Instrucciones

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3.

Installation

3.1

Preparatory work and installation situation

„ Before starting the installation, check that all the required products are complete and
functional.
„ Correctly mount/deburr profile cutouts / hardware drill holes / cable bushings in accordance
with Chapter 3.4, page 44 or the relevant enclosed manual.
„ Thoroughly remove swarf.
Damage to the electronics possible caused by a short circuit.
ATTENTION
Make sure the lock recess is free of swarf and clean!
„ Retract the connecting cable on the secured side of the door. Take care not to kink or bend the
cable in the process. Provide for a sufficiently large cable loop (~50 mm).
„ Protect the connecting cable against abrasion.
(Recommendation: use protective hose B 5490 0308)
„ Provide a cable disconnection point in the area of the cable link to make it easier
to remove the door.
Max. cable length from the lock to the control unit/junction box is 10 m (length of pre-assembled
cable). In addition, larger cable cross-sections may be required to prevent voltage drops on the
connecting cable (see below figure).
A (mm
0.14
0.25
0.34
0.5
0.75
Length of connecting cable B 5490 0300 between lock and
10
8
Max. possible extension between distributor/branch and
2
)
15
17
19
22
22
27
28
35
36
47
KLA
Distributor/
distributor/branch (in m)
6
4
control unit (in m)
19
21
26
29
31
36
42
49
57
68
KLB
Branch
2
KLA
23
33
41
KLB
56
78
Control unit
41

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B-2157 serie

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