Dorma USV-12V DC Manual - Página 3
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Use and maintenance notes
Work on electrical equipment and systems
should only be performed by properly trained
specialist personnel.
Before installing, the consultation of these instructions is
compulsory.
The power supply unit must not be used in different
environmental conditions and work ranges than indicated
on the Iabel.
The
power supply unit
must be installed in such
a way as to Iet the clamping spring show downwards.
Make sure before that the power was turned-off.
Make sure that all terminal screws are tightly fastened.
Precautions
The negligence can cause death and serious injuries.
Do not connect the
power supply unit
input source.
Do not connect the output clamps with the AC power
source .
Do not damage or crush the input wiring .
Do not effect connections with wet hands.
Do not short-circuit the clamps or the input and output
wiring.
Do not alter, open or perforate the
Keep the
power supply unit
and AC wires away from
moisture or dust!
CH OG BU MA PG
Output
CH = Battery charging
OG = Output good
BU = Battery under-voltage
MA = Maintenance charging
PG = Power good
Technical data:
Nominal input voltage:
100 - 240V AC,
USV-12V DC:
50 - 60 Hz, 730mA
USV-24V DC:
50 - 60 Hz, 825mA
Nominal output voltage:
USV-12V DC:
12,5 - 13,8V DC, 5A, 60W
USV-24V DC:
24,8 - 27,6V DC, 3A, 72W
Operating temperature:
0°C to 50°C
Relative humidity:
5% - 90%
Degree of protection:
IP 20
Safety standard:
EN 60950-1
Cautions
The negligence can cause injuries or damage the
ownership.
Do not install or connect the
on.
Electric shocks can take place and the device can get
damaged.
Before turning on the
the wiring was not damaged or short-circuited.
There can be flames or electric shock.
Prohibitions
Do never install the
following places;
danger of malfunctions, electric shocks or fire:
Where not authorized and not qualified personnel has
access.
Places that are exposed to very Iow temperatures,
under direct sunlight,
with a not specified
near devices that change temperature,
in front of air conditioners,
inside a refrigerated area, etc.
Places that are exposed to humidity or extreme
condensation, like bath rooms, cellars, greenhouses, etc.
Places that are exposed to specific environmental
conditions, like dust, oil, chemicals, salt, etc.
power supply unit
!
Places exposed to continuous vibrations or impact.
Places exposed to warm stream or smoke (near heating
equipments or cooking surfaces).
Outdoors or in the rain.
Conditions
Pre-charge qualification
Charge phase
End charge
Output voltage
Output voltage
Battery voltage
Battery voltage
Charge phase
Maintenance phase
AC voltage present
AC voltage fail
power supply unit
power supply unit
power supply unit
Test circuit
Rating 30V / 50mA
USV-12V DC USV-24V DC Value
> 11.5V DC
> 20.7V DC
< 11.5V DC
< 20.7V DC
> 10.5V DC
> 22.7V DC
< 10.5V DC
< 22.7V DC
while it is
, make sure that
in one of the
12V / 24V
Flash (approx. 2,4Hz)
Low (L)
High (H)
Low (L)
High (H)
Low (L)
High (H)
High (H)
Low (L)
Low (L)
High (H)
DORMA
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