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Installation 15088: J 10/22/99

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MMX-1

MMX-2

Heat Detector Pull Station

SLC Loop Channel A

Supervised and power-limited

24 VDC Two-wire Smoke Detectors

See third bulleted

note above.

Power-limited

Figure 4.6-4 illustrates an MMX-1 monitoring normally open contact fire alarm initiating devices that do not

require power and an MMX-2 monitoring powered two-wire smoke detectors. Refer to Figure 4.6-6 for circuits

using four-wire detectors.

NOTES

• For additional ratings, refer to Appendix A.

• For connection of the initiating devices, refer to the manufacturer's installation instructions packaged with each device.

• For MMX-2 mount the appropriate ELR across terminals 8 and 9.

• For more information, refer to the MMX-2 Installation Instructions.

Figure 4.6-4 NFPA Style D Initiating Device Circuit

24V DC Four-Wire Smoke Detector Power

Up to one amp for four-wire smoke detectors can be drawn from TB3 terminals 1(+) and 2(-). Power is removed

from these terminals during system reset. This 24V DC regulated source is power-limited but must be supervised

via an end-of-line Power Supervision Relay (refer to Figures 4.6-5 and 4.6-6).

UL-listed 24 VDC Filtered Regulated Power

Limited Power Supply for Fire Protective

Signaling

MPS-24A/E, TB3 Terminal 1 (+) and 2 (-)

APS-6R, TB2 Terminal 1 (+) and 2 (-)

Terminal 3 (+) and 4 (-)

LIB SLC Port A ( - )

LIB SLC Port A (+)

Notifier AFP1010 User Manual

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