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Edwards Signaling FSC Series User Manual

Page 112

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Appendix C: Wiring diagrams

104

FSC Series Technical Reference Manual

Figure 16: Typical alarm circuit

Figure 17: Typical 4-wire smoke detector circuit

Figure 18: Typical waterflow alarm circuit

Figure 19: Typical supervisory circuit

Note:

Supervisory circuits are also known as tamper circuits

4.7 k EOLR

(Class B only)

Ω

+
–

IDC 1+

IDC 2+
IDC 2–

IDC 1–

Smoke

detector

Dry contact

device

Class A only

IDC 1+
IDC 1–
IDC 2+
IDC 2–

+
–

RST+

4.7 k EOLR
(Class B only)

Ω

UL/ULC listed

24 VDC EOL Relay

(shown energized)

Class A only

4.7 k EOLR

(Class B only)

Ω

IDC 1+

IDC 2+
IDC 2–

IDC 1–

Waterflow

switch

Class A only

Waterflow

switch

4.7 k EOLR

(Class B only)

Ω

IDC 1+

IDC 2+
IDC 2–

IDC 1–

Supervisory

device

Supervisory

device

Class A only

See also other documents in the category Edwards Signaling Safety: