Phenix Technologies VMS-2, Manual, Page: 8 / 15

3-1
OPERATION AND CALIBRATION
OPERATION
Setup
1.
Connect input power supply to on board terminal block on the rear of the panel with
240VAC or 220VAC, 25A source.
2. Ensure Main Variac knob is dialed to its zeroed out position before connecting output
terminals.
3.
If either of the two Overloads is tripped, close the switch to reset the AC output breaker or
replace the DC output fuse.
4. Verify power is off and then connect the output supply via the Multilamm jacks or the
binding posts depending on whether AC or DC will be used and hook up the component to
be tested with the leads provided.
Operation
5.
Turn on main circuit breaker switch to power on unit. Note indicator light comes on.
6. Slowly raise the output voltage by turning the Main Variac clockwise until the desired output
voltage or current is reached for the intended application or test.
7.
Upon completion of testing, turn off main power by switching off the main breaker before
disconnecting the output leads from the test component.
8.
For safety reasons, dial back the Main Variac knob to its zeroed out position before and
after each use.