SIGMA K1000 - Manual (Page 10)

Sigma K1000 Series 1, 2, 4 & 6 Zone Fire Control Panels Operation and Maintenance Manual
ANNEXE 3
Resistor monitoring wiring. Standard bases are used. Removal of a detector
indicates fault but detectors beyond the removed one will be inoperative.
Line continuity unit wiring. Diode bases are used. Removal of a detector
indicates fault and detectors beyond the removed one remain operative.
Connections to sounders.
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