GE AKR-30 Series Maintenance Manual page 257

SECTION 1 4-MicroVersaTrip™ Plus and M icroVersaTrip™ PM Trip U n its
1 4.4 TRIP UNIT REMOVAL AND REPLACEMENT
The programmer mounts to the u pper left of the breaker
as shown in Fig. 1 1 5 . It mounts to the bracket assembly
shown in Fig. 82 . Guide pins on the bracket mate with the
holes on either side of the programmer connector. They
provide the necessary al ignment for the con nector en­
gagement. The locking lever engages with the pin which
is assembled to the programmer frame and secures the
programmer to the mounting bracket. When a trip unit is
replaced , the locking arm snaps back i nto place to indi­
cate proper alig nment.
WARNING: Always de-energize Type AKR circuit break­
ers before attempting to remove or replace the trip unit.
Because of the exposed location of the trip unit, failure to
observe this warning may result i n eq uipment damage or
personal injury, including death.
FIG. 1 1 3 PROGRAMMER SECONDARY
CONNECTOR
Socket
Class
No.
5
Zone
6
Selective
7
Interlock
8
1 1
1 2
9
1 0
MVT - P M
1
4
2
3
NOTE LOCA fiON OF PIN # 1
FIG. 1 1 4 PROGRAMMER SECONDARY
CONNECTOR PIN LOCATIONS FOR ZONE
SELECTIVE INTERLOCK AND MVT -PM
+
Zone
- Inputs
+
Zone
Outputs
-
-
+
Hom net
Spare
vc
VB
VA
24
Ret
+ 24 VDC
79