Maximum number of detectors per zone, System sensor – SilentKnight SK-4 Device Compatibility User Manual
Page 5

System Sensor
Maximum Number of Detectors per Zone
Device Compatibility Document PN 52612:A 9/13/05
5
Maximum Number of Detectors per Zone
When using two-wire smoke detectors containing supplementary relays or indicators, the operation of more than one
detector per zone cannot be ensured
System Sensor
Model Number
Base
Model
MS-2
MS-4
2W-B
N/A
16
2WT-B
N/A
16
1100/D
N/A
20
1151
B401/B110LP/
B116LP
16/16/1
1400
N/A
20
1451
B401B / B406B
16/ 1
1451DH
DH-400
16
1800
N/A
N/A
1851B
B101B
N/A
1851B
B107B
N/A
1851DH
DH1851DC
16
2100/D/S
N/A
16
2100T/D/S
N/A
16
2151
B401/B110LP/
B116LP
16/16/1
2300T
N/A
16
2400
N/A
16
2400AIT
N/A
1
2400AT
N/A
1
2400TH
N/A
16
2451
B401B / B406B
16/1
2451
DH-400
16
2451TH
B401B / B406B
16/1
2800
N/A
N/A
2800TH
N/A
N/A
2851B
B101B
N/A
2851B
B107B
N/A
2851BTH
B101B
N/A
2851BTH
B107B
N/A
2851DH
DH2851DC
16
DH100P
N/A
16
DH100LP
N/A
16