Wiring and Configuring the PAD-5-MB
3.2.2.1 Wiring the NAC circuits – Class B NAC1 and NAC2
(NAC1
Class A) and Class B NAC3 and NAC4 (NAC2 Class A)
Notification appliance circuit supervised and power limited. Maximum output current
of any NAC, regardless of class, is 3A
+
+
NAC
2_+
NAC
2_-
NAC1
1_+
NAC
1_-
NAC1
3_+
NAC
3_-
NAC1
4_+
NAC
4_-
X300
+ +
EOL
EOL
X400
CLASS A
CLASS B
Figure 10: NAC 1 and 2 shown configured as one Class A loop, and NAC 3 and 4 shown configured
as two Class B loops (supervised output connection. Polarity shown in ACTIVE mode.)
NOTE: Refer to the Compatible Notification Appliances document, P/N 315-096363,
for the list of compatible NAC devices.
* EOL resistor must be connected for NAC(s) not used.
EOL resistance: 2.2K – 24K Ohms
Combined Total output between all on-board NACs, Class A Expansion Module NACs, and AUX is 9A for
a FP2012-U1 and 6A for a FP2011-U1
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