Connecting Nac Devices (Class 'A' And Class 'B'); Figure 10: Connecting 4-Wire Smoke Detectors; Figure 11: Connecting Nac Devices (Class 'B'); Figure 12: Connecting Nac Devices (Class 'A') - Secutron MR-2602 Installation Manual

MR-2602 Installation & Operator's Manual

Figure 10: Connecting 4-Wire Smoke Detectors

1. Program as zone type 01, instant alarm.
2. Maximum total loop wire resistance is 100 ohms.
Zone Wiring Chart:
Wire
(Gauge)
18
16
14

4.2 Connecting NAC Devices (Class 'A' and Class 'B')

Figure 11: Connecting NAC Devices (Class 'B')

Figure 12: Connecting NAC Devices (Class 'A')

12
Distance Distance
(feet) (meters)
7,690 2,345
12,195 3,717
19,230 5,861
Maximum loop resistance is
100 ohms. Maximum current
in alarm is 60 mA.