Mircom FA-301-12LDR

34
Field wiring
7.5 Polarity Reversal and City Tie Module (PR-300) Wiring
Wire PR-300 Polarity Reversal and City Tie Module (if used) as shown in Figure 24, below.
See 12.0 Appendix A: Compatible Receivers on page 94 for module specifications. 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.
For use in Canada, the Protective Device is not required but still recommended.
Figure 24 Polarity reversal and city tie module terminal connection
1
1
2
2
S
S
CITY TIE LOCAL ENERGY
RATED - 24VDC FILTERED
TRIP COIL - 14 Ohms, 250mA,
5mV RIPPLE
POLARITY REVERSAL ALARM
24VDC OPEN
12VDC AT 3.5mA
8mA MAX. SHORT
POLARITY REVERSAL SUPV.
24VDC OPEN
12VDC AT 3.5mA
8mA MAX. SHORT
PROTECTOR
1
1
2
2
S
S
1
1
2
2
S
S
PROCTECTOR
1
1
2
2
S
S
USE A SHORTING WIRE
WHEN THE CITY TIE IS
NOT USED
+
+
+
-
-
-
+
+
+
-
-
-
CONFIRMS TO NEMA STANDARD
SB3-1969 INTENDED FOR
CONNECTION TO POLARITY
REVERSAL CIRCUIT OF A REMOTE
STATION RECEIVING UNIT HAVING
COMPATIBLE RATINGS
DIN RAIL CONNECTION
TO EARTH GROUND
DIN RAIL CONNECTION
TO EARTH GROUND
POWER LIMITED
POWER LIMITED
POWER LIMITED
PR-300
PROCTECTEDPROCTECTED
UNPROCTECTEDUNPROCTECTED
POWER LIMITED CABLE TYPE
FPL, FPLR or FPLP MUST BE
USED FROM PR-300 TO
PROTECTORS.