Bosch INTEGRUS Service Manual download pdf (Page 13)

Integrus System Overview | en 13

Bosch Security Systems B.V. Installation and Operation manual IOM-INT | V1.1 | 2010.12

Figure 3.8 LBB 3410/05 Radiator (Rear view)

The following are found on the radiator printed circuit board: (Figure 3.9):

Figure 3.9 LBB 3410/05 Radiator (PCB)

Radiator status indication

When the radiator is transmitting, the green LED mounted internally on a printed circuit board

illuminates. If there is a failure in the radiator, a red LED illuminates on the printed circuit

board.

Mains voltage selection

Mains voltage selection of 115 V or 230 V is internally selectable. On delivery the radiator is

set for 230 Va.c. operation. To alter the mains voltage selection for the LBB 3410/05

radiators, it is necessary to solder two leads to contacts on the printed circuit board (PCB)

inside the radiator. To locate the PCB, remove the four securing screws at the rear of the

radiator and remove the unit from its housing. Remove the PCB from its mounting by

removing the PCB's six securing screws and the small connector X1 (Figure 3.9). To select 115

V operation, solder two small leads, one connecting X4 to X6 and one connecting X5 to X7.

Then remove the small SMD resistor R3. When this is completed replace fuse F1 (160 mA)

with a fuse rated at 350 mA.

Limitations

– Not more than the first 4 carriers can be transmitted.

– Not more than 100 m cable length from transmitter to last radiator.

– Directly connection of the radiators to the transmitter with equal cable length. In loop-

through connection, the total cable length from the first to the last radiator may not

exceed 5 meters. Reason: there are no facilities on this radiator for compensating the

cable signal delay.

1 Male mains connector - for connecting the radiator to the mains supply.

2 HF BNC input and output connectors - for connecting the radiator to the transmitter or

for loop-through connection to other radiators.

3 Power reduction switch - reduces the output power of the radiator to 1.5 Wpp.

4 Radiator mounting bracket.

5 Green LED - indicates that the radiator is switched on and is receiving carrier waves

from the transmitter.

6 Red LED - indicates that the radiator output is 70% or less of the normal output level.

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Bosch INTEGRUS Service Manual Page 13