Xtreme Power Conversion Corporation
TX90 6kVA & 10kVA Service Manual
Page 30
Uninterruptible Power Supply
PC Calibration
Set the communication baud rate to 2400. Set “With Transformer” in the calibration setting to “No” as shown
below.
• Connect a resistance load to point A and point B
• Fill in the values of the voltage and load% measured from the Power Meter into Calibration Step 1, then
click “ Calibration1” icon.
• If the buzzer beeps intermittently and continuously, it means your calibration is in failure. You may click
“skip step 2” icon and repeat
• If the buzzer beeps twice, it means the Calibration Step 1 is done successfully, then you may enter into
Calibration Step 2. (The ”ECO”LED light up to indicate the UPS is working under the Calibration Step2).
• Remove the load to “Null” status, then remove the power meter to the output of the terminal block of
the UPS.
• Set a correct wiring diagram of the output transformer from the “Setting Calibration parameter” menu
indicated as below.