Bosch B4512 Spezifikationen PDF herunterladen (Seite 12)

Install the transformer

Caution!

Do not short-circuit the terminals of the transformer: Shorting the terminals opens the inter-

nal fuse, causing permanent failure. Connect the transformer to the 18 VAC terminals of the

control panel before plugging it into the power source.

Notice!

Plan ahead

Route telephone, SDI2 bus wiring, and sensor loop wiring away from any AC conductors, in-

cluding the transformer wire. AC wiring can induce noise and low level voltage into adjacent

wiring.

1. Use 18 AWG (1.02 mm) wire minimum (12 AWG [2 mm] maximum) and connect the

transformer to the control panel. Make the wire length as short as possible. Do not

exceed 50 ft (15 m).

2. Connect the wire to the control panel.

3. Connect the wire to the transformer.

4. Plug the transformer into an unswitched, 120 VAC, 60 Hz power outlet only.

5. Secure the transformer to the outlet with the screw provided.

Notice!

The transformer screw is not present on the Canadian (cUL) transformer.

Secondary (DC) power terminals

A 12 V sealed lead-acid rechargeable battery (D126/D1218) supplies secondary power for

auxiliary and alarm outputs, and powers the system during interruptions in primary (AC)

power.

Notice!

Use Lead Acid Batteries Only: The charging circuit is calibrated for lead-acid batteries. Do not

use gel-cell or nicad batteries.

Extra batteries increase back-up time

To increase battery back-up time, connect a second 12 V battery in parallel to the first battery.

Use a D122 Dual Battery Harness to ensure proper and safe connection.

Refer to Standby battery calculations.

D1218 Battery

The D1218 is a 12 V, 18 Ah battery for use in applications requiring extended battery standby

time. The control panel does not support more than 18 Ah.

Install the battery

1. Place the battery upright in the base of the enclosure.

2. Locate the red and black leads supplied in the literature pack.

4.1.1

4.2

4.2.1

12 en | Introduction Control Panels

2013.01 | 04 | F01U265448 UL Installation Instructions

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Bosch B4512 Spezifikationen Seite 12