60
7.5.3 PR-300 Polarity Reversal and City Tie Module Wiring
Wire the PR-300 Polarity Reversal and City Tie Module successfully as shown in Figure 20.
•
Plug PR-300 ribbon cable P1 into connector P8 on the Main Fire Alarm Board.
•
Remove jumper plug from JW7 on the Main Fire Alarm Board.
•
Power Limited cable type FPL, FPLR or FPLP must be used.
•
For USA installation, the installer must use Atlantic Scientific (Tel: 407-725-8000), Model
#24544 Protective Device, or similar UL-Listed QVRG secondary protector, as shown.
Figure 20 Wiring the PR-300 Polarity Reversal and City Tie Module
1
2
s
1
2
s
1
2
s
1
2
s
CITY TIE LOCAL ENERGY
RATED - 24VDC FILTERED
TRIP COIL - 13.7 and 14.4 Ohms,
270mA, 5mV RIPPLE
PROTECTOR
UNPRO
TEC
TED
PRO
TEC
TED
POLARITY REVERSAL ALARM
24VDC OPEN
12VDC AT 3.5mA
8mA MAX. SHORT
POWER LIMITED
POWER LIMITED
+
-
+
-
+
-
POLARITY REVERSAL SUPV.
24VDC OPEN
12VDC AT 3.5mA
8mA MAX. SHORT
POWER LIMITED
+
-
USE A SHORTING WIRE
WHEN THE CITY TIE IS
NOT USED
DIN RAIL CONNECTION
TO EARTH GROUND
+
-
1
2
s
1
2
s
1
2
s
1
2
s
PROTECTOR
UNPRO
TEC
TED
PRO
TEC
TED
+
-
DIN RAIL CONNECTION
TO EARTH GROUND
CONFIRMS TO
NEMA STANDARD SB3-1969
INTENDED FOR CONNECTION TO POL
REVERSAL CIRCUIT OF A REMOTE
STATION RECEIVING UNIT HAVING
COMPATIBLE RATINGS
PR-300
Содержание MR-3318
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