
K2200 Series | Installation Guide | 5.0 Installation Details EN | 26
Bosch Security Systems | 7/03 | 17375 1.3 / 46513C
Figure 13: Rear View of Door Controller Base Plate
5.3.4 Power Supply
The database is stored in battery-backed
memory and will be preserved whether
the controller is powered or not. This
backup will last up to 3 years provided
that the controller is normally powered.
The battery, located on the memory
module, can be replaced without losing
data. This is recommended every 3 years.
Note:
The backup will be preserved for 6 months if the
controller is not powered.
AC Supply
AC power, between 85 VAC and 250 VAC, 50/60
Hz, should be supplied to the controller through an
illuminated, unswitched outlet. A right angle IEC
plug is supplied.
A GROMMET MUST BE FIXED TO THE
HOLE THROUGH WHICH THE AC
POWER WOULD PASS. THIS IS TO
PREVENT THE METAL CASE CUTTING
THE AC LEAD IF THE LEAD IS PULLED
ON.
Power Indicator
A red LED is situated within the power supply. It is
visible through a small hole about 3 in. (75 mm) from
the top on the left-hand side of the power supply
case.
If the door controller is operating off the AC power
supply, whether the battery is connected or not, the
LED will be lit.
If the AC power supply fails and the unit is running
from the backup battery, the LED will be
extinguished.
5.3.5 Lock Output Voltage
The lock output voltage is set for all doors on the
controller using a switch accessible through the top
edge of the power supply. 24VDC allows 1 amp of
current draw per output, 12VDC allows 2 amps of
current draw per output.
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