SECTIO N 1 4-MicroVersaTripTM Plus and M icroVersaTripT\1 PM Trip Units
1 4.4 TRIP UNIT REMOVAL AND REPLACEMENT
The programmer mou nts to the upper left of the breaker
as shown in Fig.
1 1 5.
It mou nts to the bracket assembly
shown in Fig.
82.
Guide pins on the bracket mate with the
holes o n either side of the programmer connector. They
provide the necessary al ign ment for the con nector en
gagement. The locking lever engages with the pin which
is assem bled to the program mer frame and secures the
program mer to the mounting bracket. When a trip u nit is
replaced , the locking arm snaps back i nto place to indi
cate proper align ment.
WARNI NG:
Always de-energize Type AKR circuit break
ers before attempting to remove or replace the tri p unit.
Because of the exposed location of the trip unit, fai l u re to
observe this warning may result i n equi pment damage or
personal injury, including death.
FIG. 1 1 3 PROGRAMM ER SECONDARY
CONNECTOR
Socket
Class
No.
5
+
Zone
Zone
6
-
Inputs
Selective
Interlock
7
+
Zone
8
-
Outputs
1 1
-
1 2
+
Hom net
9
Spare
1 0
vc
MVT-PM
1
VB
4
VA
2
24
Ret
3
+
24 VDC
NOTE LOCATION OF PIN
#1
FIG. 1 1 4 PROGRAMMER SECONDARY
CONNECTOR PIN LOCATIONS FOR ZONE
SELECTIVE INTERLOCK AND MVT -PM
79
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