Overview Of Fire System Connections - UTC Fire and Security Kidde AirSense SynaG Series Installation Manual

Chapter 2: Installation
Table 3: Recommended cables
Cable
Mains cable
Zone circuit cable (mixed zone) 12 to 26 AWG (3.31 to 0.13 mm²)
Zone circuit cable (automatic or
manual zones)
Fire network cable
Note: Other types of cable may be used subject to site-specific EMI conditions
and installation testing.
Use 20 mm cable glands to ensure clean and secure connections at the control
panel cabinet. All cables should be fed through the cable guides in the cabinet
housing to eliminate movement.

Overview of fire system connections

Standard, EN 54-13, BS 5839-1, and intrinsically-safe fire system connections
are shown in the following figures.
Figure 4: Standard fire system connections (no EN 54-13 requirement)
10
Cable description
3 x 1.5 mm²
Twisted-pair (max. 40 Ω / 500 nF)
12 to 26 AWG (3.31 to 0.13 mm²)
Twisted-pair (max. 55 Ω / 500 nF)
Twisted-pair, Cat 5
12 to 26 AWG (3.31 to 0.13 mm²)
Maximum cable length
N/A
2 km
2 km
1.2 km
SynaG Series Installation Manual