AFP-200 Instruction PN 15511:F2 10/11/99 35
Figure 2-22 NFPA Style B Initiating Device Circuit with an MMX-1 Module
(supervised and power-limited)
Four-wire
detector power
24 V (+) TB1-5
24 V () TB 1-6
SLC (+) TB 6-3
SLC () TB 6-5
UL-listed Power Supervision Relay
Loop Out
To Next
Device on
Loop
Heat Detector
Shown
Energized
Note: Maximum initiating device circuit
resistance is 20 ohms.
Manual
Pull Station
End-of-Line Resistor
47K, 1/2-watt
PN SSD A2143-00
(N-ELR in Canada)
24 VDC Four-Wire
Smoke Detector
2.7.2 The Monitor Module, continued