14
OPERATING INSTRUCTIONS
MN280067EN July 2017
Type MET electronic recloser control tester operating instructions
Appendix C
Testing ground-trip operation of form 2 controls below
serial number 1615
The following special hookup is required to test the ground-
trip operation of Form 2 controls below serial number 1615
(Figure 7).
1. Open the shorting bar across the External Ammeter
test jacks on the front panel of the MET tester.
2. Connect a jumper from the left hand jack to the cabinet
on the front panel of the ME control.
3. Proceed to Step 1 in the Control Operation Test (Ground
Trip) or the Minimum Trip Test (Ground) as applicable.
The current measured by the Ac Ammeter on the MET
tester will be the equivalent test current entering the
ground section of the control.
12.5
SHORTING
BAR OPEN
TO ME CONTROL
RECEPTACLE
LEAD CONNECTED
TO LEFTHAND
EXTERNAL AMMETER
TERMINAL POST
TO ME CONTROL
PANEL OR CASE
METER WILL READ
GROUND-TEST CURRENT
IN EQUIVALENT
MILLIAMPS
Figure 6 . Test hookup for form 2 controls below serial number 1615