Bosch Appliances D9412GV4 Power Terminals - Secondary, 4.2.1, Secondary DC Power, 4.2.2

Control PanelPower Supply and Power Outputs en 21

	D8004 Transformer Enclosure Required for Fire Systems
	Use the D8004 Transformer Enclosure for the D1640 Transformer in fire and combined fire
	and burglary applications.
i	Notice!
	Check with the Authority Having Jurisdiction (AHJ) about mounting transformers on specific
	circuits.
4.2	Power Terminals - Secondary
4.2.1	Secondary (DC) Power
	A 12 V, 7 Ah (up to 18 Ah) sealed lead-acid rechargeable battery supplies secondary power for
	auxiliary and alarm outputs, and powers the system during interruptions in primary (AC)
	power.

Warning!

!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/D122L Dual Battery Harness to ensure proper and safe connection. Refer to the Standby Battery and Current Rating Chart in the Approved Applications section of the D9412GV4/D7412GV4 v2.00 Installation and System Reference Guide (P/N: F01U265457) for battery standby time calculations.

D1218 Battery

The D1218 is a 12 V, 18 Ah battery for use in applications requiring extended battery standby time. Up to two D1218 batteries can be connected when used with a D122 Dual Battery Harness.

Warning!

!When connecting two D1218 Batteries to the control panel, the control panel can charge up to 36 Ah of battery.

i	Notice!
	When using two D1218 batteries, use a separate enclosure, a D122L Dual Battery Harness,
	and long leads.
4.2.2	Installing 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.

3.Connect the black battery lead to Terminal 4, and then to the negative (-) side of the battery.

4.Connect the red battery lead to Terminal 5, and then to the positive (+) side of the battery.

Bosch Security Systens, Inc. UL Installation Instructions 2012.12 02 F.01U.265.462