Ge Est QS4 - Notification Appliance Circuits

Standard applications
5.2 QS4 Technical Reference Manual
Notification appliance circuits
SLIC
UL/ULC LISTED
10 K EOL
R
Ω
NAC2 B–
NAC2 B+
NAC2 A+
NAC2 A–
UL/ULC LISTED
10 K EOLR
Ω
NAC1 B–
NAC1 B+
NAC1 A+
NAC1 A–
Typical Class A NAC circuits
Note: The plus and
minus symbols
indicate signal
polarity when the
NAC circuit is turned
on.
SLIC
NAC2 B–
NAC2 B+
NAC2 A+
NAC2 A–
UL/ULC LISTED
10 K EOLR
Ω
NAC1 B–
NAC1 B+
NAC1 A+
NAC1 A–
UL/ULC LISTED
10 K EOLR
Ω
NOT USED
NOT USED
Typical Class B NAC circuits
Note: The plus and
minus symbols
indicate signal
polarity when the
NAC circuit is turned
on.
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