Installation Instruction VARIODYN
®
D1 System
78
FB 798663.GB0 / 05.19
8.1.1 Connection Back-up power supply (Part No. 581721)
+
-
230 V AC
L1
N
PE
OR
+
-
+ -
DOM
-
+
PA
+ -
Temperature
sensor
Battery 1
Battery 2
Installation kit
for fuse switch
disconnector
(Part No. 583716)
PSU
Fig. 72: Connection example
Danger – Electric shock!
Assembly and installation work may only be performed when the system is de-energised (voltage
free).
•
The installation kit fuse switch disconnector (Part No. 583716) can be used to switch off the
emergency power supply / batteries completely (24 V DC).
•
A standard fused conductor (150 A) must be used for the connection to the positive battery terminal!