Vanguard WRM-40 User Manual
Page 20

WRM-10P AND WRM-40 USER’S MANUAL
REV 3
16
3.2 General
Procedures
The main steps for using the WRM are outlined below:
a. Ground the WRM to the substation ground.
WARNING
Always connect the WRM to the substation ground before connecting any
test lead to any transformer bushing. Failure to follow this procedure may
damage the WRM.
b. Plug the WRM power cable into a power outlet.
c. Insert current-cable plugs and voltage-sensing cable plugs into the corresponding
control panel jacks.
d. Attach the test cable clamps to the transformer terminal for the winding that is to be
measured.
e. Turn on the WRM by pressing
[I]
on the power rocker switch.
f. The unit will self-calibrate, and then you will be presented with the “START-UP” menu as
shown below:
1. TEST XFMR 11/02/09
2. SETUP 12:33:01
3. USER DIAG