Motor Rotation Tester Operation; Pretest Procedure; Operation - AEMC PMR-1 Manual De Instrucciones

Open phase check LED "A" is not on: Open phase on
terminal where BLACK alligator clip is connected.
LED "B" is not on: Open phase on terminal where RED
alligator clip is connected.
LED "C" is not on: Open phase on terminal where BLUE
alligator clip is connected.
4. Check the rotating direction by viewing the rotation indicator
LEDs. If the counter clockwise LED is lit, alternate the connec-
tion of two of the three alligator clips.
If the clockwise LED is lit, the phase sequence is A, B and C in
the same order in which the BLACK, RED and BLUE alligator
clips are connected to the power source terminals.
4.3

Motor Rotation Tester Operation

WARNING: NEVER USE ON ENERGIZED MOTORS!
Use a multimeter to verify that no voltage is present on
the motor winding.
4.3.1

Pretest Procedure

1. Press the Red motor rotation test button and verify that the
Green LED is brightly lit. If it is, the battery is OK. If it is dimly
lit, see Chapter 5 for battery replacement.
4.3.2

Operation

1. Make sure the power is turned OFF on the motor under test
and that no voltage is present.
2. Connect the test leads to the motor input terminals in the
following order: Black to "A", Red to "B" and Blue to "C". Then
press the power button (see Figure 2). The power indicator
Green LED should light.
Phase & Motor Rotation Tester Model PMR-1
11