Wiring - Siemens FS20 Mounting & Installation

6.8.3 Wiring

Building Technologies
Fire Safety
● In order to avoid operating temperature differences, all three power supply
units must be mounted next to each other in the same housing.
● The batteries must be connected to the master power supply.
● Only one temperature sensor must be connected to the master power supply
unit.
● The temperature sensor must be fitted close to the batteries.
NOTICE
Damage to the power supply
Different versions (A4/A5) of the power supply (150 W) may not be switched in
parallel.
Wire up the additional third power supply (150 W) using the cable tree supplied
according to the following wiring diagram.
NOTICE
Damage to the power supply
Different power supplies (150 W) of type A4 and A5 must not be combined.
Only the power supply (150 W) of type A5 may be used as the third power supply
connected in parallel.
Note that the sliding switch (S) on the third power supply is set to 'Slave'.
Mounting and installation FC2080
Installing the power supply kit (150 W, B)
6
285 | 354
008851_s_en_--
2016-01-27