Ge Est QS4 - Page 101

Standard applications
QS4 Technical Reference Manual 5.7
Z(n)+
Z(n)–
ZB16–4
24VDC+
24VDC–
UL/ULC LISTED
EOL RELAY
UL/ULC LISTED
4.7 K EOLR
Ω
PS6
JP2
ACC PWR
SMK PWR
Typical Conventional Class B four-wire smoke detector circuit
ZONE (n) B+
ZONE (n) B–
ZA8–2
24VDC+
24VDC–
UL/ULC LISTED
EOL RELAY
UL/ULC LISTED
4.7 K EOLR
Ω
PS6
JP2
ACC PWR
SMK PWR
ZONE (n) A+
ZONE (n) A–
Typical Conventional Class A four-wire smoke detector circuit
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