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ZC1-8B Connections and Ratings
ALL ZONES SUPERVISED, POWER LIMITED
Power Limiting is accomplished using the PLC-4 and
PL864-25A, -70A, or -25S as required
All wiring must be in accordance with Article 760 of
NEC or the local building codes.
Maximum Loop Resistance:
70.7V RMS, 6.5 ohms max, 25 watts
25.2V RMS, 3 ohms max, 37.5 watts
25.2V RMS, 2.5 ohms max, 45 watts
Minimum Wire Size: 18 AWG
Maximum Wire Size: 14 AWG
Supervisory Speaker Zone Connections
Supervisory: 1.5 VDC, 0.06mA
Activated: 25.2V RMS, 45 watts max (1.8A)
70.7V RMS, 70 watts max (1.0A)
Maximum Total Load: 25.2V, 3.9A, 100 watts
70.7V, 1.4A, 100 watts
ZC1-8B Speaker Zone Wiring Diagram with One Amplifier as Power Source
25/70.7V RMS SPEAKER UNITS:
Any UL listed Fire Protective Signaling Speaker
rated 25/70.7V RMS may be connected to this circuit.
See Compatible Notification Appliances, P/N 315-
096363 for compatible speaker models.
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