Secutron MR-2320 Series - Polarity Reversal and City Tie Module (MR-2300-PR) Wiring; Figure 17 Polarity Reversal and City Tie Module Terminal Connection

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Field Wiring
6.7 Polarity Reversal and City Tie Module (MR-2300-PR) Wiring
Wire MR-2300-PR Polarity Reversal and City Tie Module (if used) as shown in Figure 17
below. See Appendix C: Specifications on page 84 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 17 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.
MR-2300-PR TO
MR-2300-PR