Mircom FA-300-6L Series Dokumentacja Strona 20

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Field wiring
14
Figure 10: Initiating circuit– Class A or Style D wiring
Indicating Circuit Wiring
The FA-300 Series Fire Alarm supports Class B or Style Y and Class A Style Z wiring for its indicating circuits. Each
circuit is supervised by a 3.9K End-of-Line resistor. Each indicating circuit provides up to 1.7 A, 5 A maximum total if
no auxiliaries are used.
Figure 11: Indicating circuit – Class B or Style Y wiring
Note: When using ICAC Class A Converter Adder Modules, always use Active End-of-Line resistors on all
initiating circuits including those that are not converted to Class A.
Note: An Active End-of-Line resistor CANNOT be used with any indicating circuits. Always use 3.9K End of
Line resistors for indicating circuits.
+
-
STYLE D
WIRING
STYLE D
WIRING
INITIATING
CIRCUIT #1
INITIATING
CIRCUIT #2
INITIATING
CIRCUIT - 1
ALARM
ZONE
INITIATING
CIRCUIT - 2
SUPERVISORY
ZONE
ION SMOKE
DETECTOR
PHOTO
SMOKE
DETECTOR
HEAT
DETECTOR
PULL STATION
SUPERVISORY
4 MORE INITIATING
CIRCUITS NOT SHOWN
DCAC-306 CLASS A
CONVERTER MODULE
FIRE ALARM MAIN BOARD
BLK RED
BLK RED
- DET1
OUT+
- DET2
OUT+
- DET1 RET+- DET2 R ET +
+
-
DET 1DET 2
ICAC
- SIG 1 +
STYLE Y
WIRING
STYLE Y
WIRING
INDICATING
CIRCUIT - 1
INDICATING
CIRCUIT - 2
BELL STROBE 3.9K 1/2 WATT ELR
INDICATING
CIRCUIT #1
INDICATING
CIRCUIT #2
HORN
FIRE ALARM MAIN BOARD
- SIG 2 +
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