HLS PS25 & HLS PS50 User Manual
MN-DT-1305I_B
11
The following is placed at the bottom of the Control Unit:
IN BAT
Batteries (+)
IN BAT
Batteries (-)
TEST
The test butto n allows performing a led te st and makes a real test of batteries forc ing
them to supply current of 1 A approx. for a minute. In case batteries fail, a Battery fault
will be report ed. The HLS PS Series will supervise a utomatically t he battery ea ch 3
hours. If the battery load is in normal condition, the fault signal will disappear.
EN54 - 2
Section 8.2.4 requi res tha t any Earth faul t whi ch m ay affect an obligatory functi on
should be indicated independently.
The cable size should be calculated according to th e maximum l ength, the m aximum
voltage drop supported by devices and the minimum voltage of battery system.
