TECHNICAL MANUAL
942088.001
942088.001 - 24/09/98
5
3.- TIMER switch off: The UPS switch off will be carried out at the time and the date recorded.
The UPS will remain in “STAND-BY” mode. The UPS will start up with the “TIMER” switch
or with “START UP” command if the mains is present.
4.- Stop due to protection: The UPS has one protective feature that could force it to stop (
Short circuit in the Output). The UPS will remain in “STAND-BY” mode.
5.- Exhausted Autonomy: If the UPS is on battery the UPS will stop when the time of
“AUTHORIZED AUTONOMY” has passed or the battery voltage reaches 10V. The UPS
will remain in “STAND-BY” mode.
Notes:
In “STAND-BY” mode the UPS is consuming battery for its internal electronic circuits. In
order to preserve the battery energy this power supply will be stopped when the
“MAXIMUM TIME IN STAND-BY” has finished or the battery voltage has reaches 11V.
The unit must be recharged after a long time in storage.
BLOCK DIAGRAM
A
B
S
C
D
N
K
M
L
INPUT
OUTPUT 1
OUTPUT 2
BOARD
H
ST1
INVERTER
BAT.
RL2
RL1
RL3
D
C
B
Nin
G
G
A
Lin
G
CPU
CHARGER