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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.
Power Terminals - Secondary
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.
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.
4.2
4.2.1
4.2.2
Control Panel Power Supply and Power Outputs | en 21
Bosch Security Systens, Inc. UL Installation Instructions 2012.12 | 02 | F.01U.265.462