Filter
Top Products
5Bosch | 09/04 | 74-06200-000-F
1.5.1 Mandatory Connections
To comply with the NFPA 72 Central Station Fire or NFPA 72 Remote Station Signaling Service, connect the
D2071A as described in Table 2. The Class “A” and Class “B” circuits are mandatory connections for the slave and
stand-alone applications. Refer to Section 2.0 Installation on
page 8 for wiring instructions.
D2071A | Operations & Installation Guide | 1.0 Overview
Table 2: Mandatory Connections for the NFPA 72 Central Station and Remote Station
Stand-Alone Applications Slave Applications
Connection Terminal
Number
NFPA 72
Central Station
NFPA 72
Remote Station
NFPA 72
Central Station
NFPA 72
Remote Station
12 VAC Primary Power* 1, 2 OK OK OK OK
24 VDC Primary Power 1,2 NO NO OK OK
D126 Battery Backup
(12 VDC, 7Ah)
4, 5 OK Required OK Required
D1219 Battery Backup
(12 VDC, 2.3 Ah)
4,5 OK NO OK NO
Class “A”, Style D Circuit 6, 7, 8, 9
Maximum of 5 waterflow switches or up
to 100 mechanically activated initiating
devices such as heat detectors or
manual pull stations. Not suitable for
smoke detectors.
Normally open dry alarm output
contacts of an existing FACP.
Retard and Reset Times
(waterflow alarm only)
6, 7, 8, 9
Refer to the appropriate standard or as
allowed by the AHJ.
N/A
Class “B”, Style A Circuit
(recommended mode)
6, 7, 8, 9 3 3 3 3
10, 11
Monitors up to 20 valve supervisory
switches per circuit.
Normally open dry trouble contacts of
an existing FACP.
11, 12 Mode 1 is not acceptable.
Mode 2 is only acceptable when a valve
tamper device, with only a normally
closed contact, must be used and only
on approval of the AHJ.
Mode 3 is preferred.
Modes 1 and 2 are acceptable.
Earth Ground 3 Yes No
* You must use the D8004 Transformer Enclosure or the D2071AC for commercial fire applications.
Table 1: Required Materials
Item Description
D126 Battery
Use a 12 V, 7 Ah battery for NFPA 72 remote station stand-alone applications. Must
provide 60 h of standby plus 5 min of alarm operation. Use only in 12 VAC Mode.
D129 Battery
Only use 12 V, 2.3 Ah battery for NFPA 72 central station applications. Must provide
24 h of standby. Use only in 12 VAC Mode.
D136 Relay 1 or 2 (optional)
Use one relay to enable the Phone Line Trouble Relay (K5) and use the other relay to
enable the Initiating Circuit Alarm Relay (K6).
D161* or D162 Phone Cord (2) Primary and alternate telephone line connections.
D1220 Transformer Use only in 12 VAC Mode.
D4103R Enclosure ** or
D8109 Enclosure (optional)
Use either enclosure or another UL Listed fire enclosure.
D2002 Mounting Plate* (optional) Use to mount the D2071A in a D4103 Enclosure.
D5100 Programmer or
D5200 Programmer
Use either programmer with the 2071 Product Handlers loaded.
D8004 Transformer Enclosure
Required for the D1220 Transformer in commercial fire applications if the D2071A Kit
is not used.
* You must use the D8004 Transformer Enclosure or the D2071AC for commercial fire applications.