Simplex 2050 Series User Manual

6.2.1.2 Wiring the Class A notification appliance circuits
To wire Class A NACs, complete the following steps:
1. Route the wire from the B+ B- terminals of the system board to the appropriate inputs on a peripheral notification appliance. See
Figure 11.
2. Route the wire from the first appliance to the next. Repeat this step for each appliance.
3. Route the wire from the last appliance to the A+ A- terminals on the same NAC circuit of the system board.
4. Do not T-Tap the wiring.
Figure 11: NAC wiring
6.2.1.3 Wiring the Class B notification applicance circuits
To wire the Class B NACs, complete the following steps:
1. Route the wire from the B+ B- terminals of the system board to the appropriate inputs on a peripheral notification appliance. See
Figure 11.
2. Route the wire from the first appliance to the next. Repeat this step for each appliance.
3. Route the wire from the last appliance to the 10K, 1/2 W end-of-line resistor harness 0733-894.
4. Do not T-Tap the wiring.
page 21 579-1404 Rev A
2050 and 2250 Foundation Series Fire Alarm Control Units Installation Guide

Simplex 2050 Series Specifications

General

Brand	Simplex
Model	2050 Series
Category	Control Unit
Language	English