Siemens FS20 - Page 234

Other project planning steps
Wiring instructions
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234 | 242
Building Technologies
008843_v_en_
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Fire Safety
2015
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12
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15
Guidelines
● A separate circuit with a separate fuse must be available for the mains supply
line.
● The mains fuse rating must be 10 A.
● The mains fuse for the fire control panel must be marked explicitly.
● The line cross-section of the mains supply line must be 3 x 1.5 mm
2
at
minimum (NYM-J cable).
● All supply lines must be realized from above or behind.
● The mains cable must be wired to the mains separator terminals from above on
the left of the housing.
The mains supply lines must not be laid inside the EMC
-
critical zone.
● If the batteries are built in a separate housing, the mains line may be fed from
below.
● Separate housings for the batteries must be mounted in the immediate vicinity
of the ↑ station.