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Wiring a Signaling Line Circuit (SLC)
Refer to the Device
Compatibility Document for
compatible notification
appliances.
UL-listed Power Supervision Relay
CPU
AFP-200 PN 15511:H2 10/14/2002
Technical Manuals Online! - http://www.tech-man.com
Style Z NAC
Figure 41 shows an NFPA Style Z NAC with notification appliances connected to a
control module.
Connect the NAC as follows:
1.
Connect the SLC to control module terminals 1 (–) and 2 (+).
2.
Connect 24 VDC power from TB1 to control module terminals 3 and 4.
3.
Set the control module rotary switches to the required loop address. (The control
module takes one module address on the SLC.) Refer to 2.9.6 "Setting an SLC
Address for a Module" for instructions on addressing the modules.
Do not loop wiring under any terminals. Break wire run to maintain supervision. The
NAC is supervised and power-limited.
24 VDC
notification
appliances
+
-
+
-
+
-
B+ B-
B+
B-
B+
B-
B+ B-
TB1
TB2
24 VDC filtered, regulated, nonresettable
24 VDC (+) to TB1-1
24 VDC (–) to TB1-2
Figure 41 NFPA Style Z Notification Appliance Circuit
2.9.13 SLC Wiring with an Intelligent Detector
Overview for Wiring Intelligent Detectors
The B501 or B710LP base provides the connection between the SLC and the following
intelligent detectors: FSP-751, FSI-751, FST-751, and FST-751R.
1.
Connect the communications loop to terminal 1 (–) and terminal 2 (+) on the
detector mounting base.
2.
If using an RA400Z Remote LED Annunciator: (a) connect the RA400Z positive
terminal to base terminal 3; and (b) connect the RA400Z negative terminal to base
terminal 1.
+
-
+
-
+
-
+
-
TX REF RX REF
NO
C
NO NC C
NO NC C
TB4
TB3
To next device
on SLC
- +
Control
Module
9
0
-
8
1
-
7
+
2
6
+
3
5
4
1
2
3
4
5
6
OUT OUT IN
IN
A
B
B+
A+
B-
A-
TB5
TB6
SLC out
SLC (+) to TB6-3
SLC (–) to TB6-5
Installation
59
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