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from 16 to 28 AWG. To install a wire, strip back approximately 0.25 in. (6 mm) of insulation and insert the bare wire into the terminal.
Tighten the screw clamp and ensure that the wire cannot be easily pulled from the connector.
3.4.2.5
Power Supply
Selection of a UL recognized NEC Class 2 power supply which can power 12 MRS-485 connected to 6-Series detectors.
MRS-485 is rated 3.25W with a detector connected.
•
The minimum power which the power supply needs to deliver is 12 detectors x 3.25 W/detector = 39W
•
So, a 24VDC, 60W power supply will work.
3.4.2.6
Relay Connection
All poles of the three relays are available at the modular connector R1 R2 R3 (see Figure 2 for details). R1 R2 R3 is a 9-position variant
of the high voltage modular connector used for power input. Each terminal can accommodate a wire size from 12 to 24 AWG.
To install the wiring for the relays, disconnect the connector from the header on the PCB. Strip the insulation off each wire back
approximately 1/4 in. (6.5 mm), insert the bare wire into the terminal and tighten the screw clamp. Ensure that the wire cannot easily be
pulled from the connector.
3.4.2.7
Horn & Strobe Connection
The external horn and strobe connections are available at the modular connector S H (see Figure 2 for details). S H as a 4-position
connector, similar to the sensor interface connectors.
Wire gauge
Maximum Run Length
(feet)
18
263
16
418
14
665
12
1058
Table 3-2a Wire selection for a 60W power supply
Figure 3-7 Relay Connector
12
(meters)
80
127
203
322
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