LSU80A : Load Support Unit
Operators Manual
Using the OUTPUT TRIM
push buttons set the output voltage to 24.0V. Note if
you press and hold either the
push buttons the adjustment will be continuous.
With the calibrated ammeter or shunt and millivoltmeter combination connected in-
line with the load current reading is +/- 2.0A of the displayed value.
If the current is outside of tolerance follow the ADUSTMENT PROCEDURE for current..
5.2
ADJUSTMENT PROCEDURE
5.2.1
Voltage adjustment
With no load connected to the LSU80A switch on and press the START push button.
To get the unit into calibration adjustment mode press the START push button and
the OUTPUT TRIM
push button both at the same time.
Then release the push buttons.
The GREEN RUN LED should then flash at a steady rate.
By using the OUTPUT TRIM
push buttons adjust the displayed voltage so that it
matches as near as possible the voltage measured on the calibrated voltmeter
connected to the output terminals. Note if you press and hold either the
push
buttons the adjustment will be continuous.
Once complete press the START push button once and verify that it stops flashing and
remains steady.
Press the STOP push button.
Calibration voltage adjustment is complete.
5.2.2
Current adjustment
With a load which will give a steady 80A connected to the LU80A switch on and press
the START push button.
To get the unit into calibration adjustment mode press the START push button and
the OUTPUT TRIM
push button both at the same time.
Then release the push buttons.
The GREEN RUN LED should then flash at a steady rate.
By using the OUTPUT TRIM
push buttons adjust the displayed current so that it
matches as near as possible the current measured on the calibrated ammeter
connected to the output terminals. Note if you press and hold either the
push
buttons the adjustment will be continuous.
Doc: DWG1061-11-R2 LSU80A Operators manual.odt
Page 12 of 17
Copyright Material of Intelligent Charging Limited © 2018
Printed On : 17/07/19
