firealarmresources.com 1) U.L. listed, 2 wire detector from Fire-Lite, include the series: loop specifications Class B standby: 23VDC current: 15mA minimum. circuit current: .35MA current: 5mA of line resistor: 4.7k, 5% loop resistance: 200 ohms detector current: 2.0mA./Zone and ionization detectors requiring separate 24VDC can be powered MCB-104 terminal 12(+) & 13(-) . Use end of line relay (SDLR-B) supervise power circuit wiring. loop current is sufficient to ensure operation of one per zone. U.L. listed, 2 wire detector available from Fire-Lite. devices include: Manual station, heat detectors, smoke stations. mechanical water motor gong if waterflow alarm devices are connected the zone. latching circuit by removing diode marked with a * from DZC-2 if coded manual stations are connected. detectors, waterflow alarm devices, coded ) ) 5 ) REMOTE ZONE ANNUNCIATOR ALARM LEDS TROUBLE LED TROUBLE – 1 ) To connections are supervised for opens except sonalert. normally open connection flip Trouble silence switch off-normal (downward) position. Sonalert should sound. check connection between MCB terminal 14 & terminal 8 wire resistance is 100 ohms for all connections except to terminal 7 audible device will resound when trouble condition corrected. not exceed 5 ohms.