UNITED FIRE SYSTEMS
STANDPIPE-
PAC™ MODEL SSS-101
DESIGN, INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
REVISION 2.00
P/N 10-540101-001
Page 16
Figure 12
– Wiring Diagram – Notification Appliance Circuit
Nominal Operating Voltage
13.8 VDC
Required Device Voltage Rating
12 VDC
(NOT 24 VDC or 110 VAC)
Maximum Number of Signal Horns
(1) factory
–installed signal horn
(1) required audible / visual device
PLUS (9) optional signal horns
Maximum Current Draw FOR ALL external Signal Horns
(INCLUDING required external audible / visual device)
(NOT including factory
–installed signal horn)
1.0 A
Maximum Length Of Notification Appliance Circuit
(from factory-installed signal horn to last signal horn on the NAC)
375 feet
Minimum Recommended Wire Gauge
14 AWG Solid
Recommended Wire Insulation Colors
For Polarity Identification
RED
for positive (+)
GRAY
or
BLACK
for negative (-)
End-Of- Line Resistor
(UFS P/N 03-100005-102)
2.2K ohms
Table 4 -
STANDPIPE-
PAC™
Notification Appliance Circuit (NAC)
Limitations and Other Parameters