Bosch Appliances Smoke Alarm D2071A User Manual

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Bosch | 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 
 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 
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.