Connecting to the Power Supply
Siemens Building Technologies
Fire Safety & Security Products
Please read the 'Safety' section on Page 5 before connecting to the Power
All wiring must be installed to local and national standards. Ensure all SELV and
signal wiring is kept away from live parts and is suitably protected from live parts
by double insulation.
A readily accessible all-pole disconnect device with at least 3 mm contact
separation shall be incorporated in the building installation wiring. As part of the
building installation, protect the unit via a fuse or circuit breaker rated at 2 A for
CHSL4010 110 – 230 V AC units and 5 A for CHSL4011 12 – 24 V AC units.
Use only cable suitable for the application and that meets the standards required by the installation.
The conductor size for power cable(s) must be at least 0.75 mm
conductor size is 1.5 mm
Select the most suitable cable gland entry, (see section 3.1 for sizes) and
remove the blanking plug supplied in the gland (A) (See Fig. 7).
Insert the mains cable and clamp it securely using one of the cable anchors
(B). The central anchor point is for larger cables, the two outer ones are for
smaller cables. Do not overtighten the screws as this may damage the cable.
Connect to the input supply on terminal board (C).
Tighten all glands/conduits (A) securely to prevent water ingress.
Power cable entry
. The maximum recommended