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PV-225208 Photovoltaic Inverter
Operation and Maintenance Manual
Copyright 2003, Xantrex Technology Inc.
DOCUMENT: 151811
4-7
SECTION 4
OPERATION
• Any State → Fault:
If the PV-225208 encounters a fault, regardless of operating state, it will transition to the Fault state. The
PV-225208 will remain in this state until the fault condition has been remedied and cleared via the front
panel.
A description of the fault will show on the first line of the operator interface LCD. The second line
of the LCD will read ‘Clear Fault?’. To clear a fault press <ENTER>. The PV-225208 will transition to
Sleeping. If the fault does not clear, the fault condition has not been corrected. If the ‘Clear Fault?’ mes-
sage is not shown on the second line of the LCD, scroll through the read parameter menu with the /\ or \/
keys until the message appears.
AUTO-RESTART FEATURE
In the event of a utility voltage or frequency surge or sag, which causes the inverter to shut down, the
PV-225208 will automatically transition to a fault condition. Once the utility recovers for a period of five
minutes, the PV-225208 will automatically clear the fault, then resume normal operation.
ISOLATION PROCEDURE
The following procedure should be followed to de-energize the PV-225208 for maintenance:
1. Turn the On/Off switch to the Off position.
2. Open the DC interface (PV array) disconnect switch.
3. Open the AC interface disconnect switch.
4. Open the isolation transformer circuit breaker.
5. Install lockout devices on the isolation transformer circuit breaker and PV disconnect switch.
WARNING
The terminals of the PV input may be energized if the arrays are energized. In addi-
tion, allow 5 minutes for all capacitors within the main enclosure to discharge after
disconnecting the PV-225208 from AC and DC sources.
TURN-ON PROCEDURE
Refer to Section 3 for a detailed first-time turn on procedure.
1. Remove any lockout devices from the isolation transformer circuit breaker and PV disconnect
switch.
2. Close the isolation transformer circuit breaker.
3. Close the AC interface disconnect switch.
4. Close DC interface (PV array) disconnect switch.
5. Turn the On/Off switch to the On position.
After a 15 second initialization period, the PV-225208 will automatically transition to ‘Waking Up’, given the
PV voltage is greater than the PV V Start setpoint.