The fire control panel requires an input of 115 VAC @ 50 / 60Hz or an input of 230 VAC @ 50 / 60Hz.
The main terminal block contains a 3.15 Amp slow-blow fuse rated at 250 VAC.
Connect AC cabling from the power-source to the main terminal block. The main terminal block is
located on the top-left of the Sigma A-CP Fire Control Panel. Wiring from the power-source must
include a secure earth-ground connection from the building-ground to the fire control panel and
must enter the fire control panel cabinet as close as possible to the main terminal block.
Limit the length of power source wiring from the cabinet opening to the main terminal block of the
fire control panel and dress this internal-cabinet wiring with cable ties.
The figure below illustrates supervised connections at the main terminal block and fuse holder for the
Line (L), Neutral (N) and Ground of the AC power source.
Figure 3- 4
Supervised Connections at the Main Terminal Block
Reference Appendix A, Specifications for the wire-gage requirements of these connections.
Standby-Battery Cabling
Perform the installation only after calculations have been completed for selecting a suitable battery
size. Battery standby-hours are dependent on battery capacity and loading of the FACP system.
To install the replacement standby-batteries:
1
Place standby-batteries at the bottom of the Sigma A-CP Fire Control Panel cabinet.
2
Connect the black battery-lead to the negative terminal of Battery 2.
3
Connect the red battery-lead to the positive terminal of Battery 1.
4
Connect the jumper-lead from the negative terminal of Battery 1 to the positive terminal of Battery 2.
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