SECTION 3
INSTALLATION AND INITIAL TURN-ON
PV-100208 Photovoltaic Inverter
Operation and Maintenance Manual
Copyright 2003, Xantrex Technology Inc.
DOCUMENT: 151700
3-7
(+) terminal. The value should be the same as at the PV array string disconnect switch. It should
also be positive.
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Open all PV string disconnect switches.
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Close the isolation transformer circuit breaker.
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Verify 208 VAC voltage across the AC disconnect switch. If a phase rotation meter is available,
verify proper phase rotation at the AC disconnect switch.
•
Close the AC disconnect switch.
•
Verify 208 VAC voltage across the AC line fuses F1-3.
System Verification
•
Upon applying 208 VAC power to the PV-100208, observe the operator interface panel. After
approximately 15 seconds, the panel should finish initialization and will probably report a fault
condition.
•
Remedy any faults reported. To clear a fault condition, press the <ENTER> key twice. If the fault
message does not change, the fault condition is still present. Most likely, any faults seen at this
point will be related to PV-100208 safety switches. To disable the door interlock switch with the
main enclosure door opened, pull the switch shaft out. It will lock in its ‘maintenance’ position.
Once all faults are cleared the system will read ‘Sleeping’ or ‘Keyswitch Disable’ depending on the
position of the On/Off switch. To re-enable interlock, push the shaft in and close the door.
•
Scroll up the menu until ‘Enter Read Parameter:’ is displayed.
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Press <Enter>, then <19>. This is line voltage frequency being read by the PCU. It should read 60.0
+0.5, -0.7.
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Verify the On/Off switch is in the ‘Off’ position.
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Close the PV array string disconnect switches.
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Close the PV-100208 DC disconnect switch.
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Press <F2> on the operator interface panel. If the PV voltage is above the PV Start Voltage setpoint,
the second line should read ‘Waking Up’. Once the PV Start Time is exceeded, the PV-100208
should transition to ‘Power Tracking’.
•
The power tracker was previously limited to 25% of PV-100208 rated power. Once the PV-100208
has stabilized operation (approximately 20 seconds), scroll through the main operator interface
panel menu. Verify all phase voltages and currents are closely balanced.
•
Scroll to ‘Enter Read Parameter:’ Press <ENTER> then <17> <ENTER> to view ground fault
current value. This value should be equal to or very close to zero. Continue to monitor this value as
the PV-100208 is commanded to higher power levels.
•
Enter the write parameter menu and increase the ‘I PPT Max %’ to 50. Exit the write parameter
menu and verify all operating values are proper.
•
Continue to increment ‘I PPT Max %’ to 100. Depending upon solar conditions, the PV-100208
may not operate at full power. If the PV array is not experiencing full sun, the PV maximum power
tracker will regulate the PV voltage to maintain maximum PV power output. To determine if the
PV-100208 has reached it’s maximum power output, enter <20> at the ‘Enter Read Parameter:’ ‘0’
means the PV-100208 has not reached maximum power, contrarily, ‘1’ means the PV-100208 has
reached maximum power and executed the modified peak power tracker to limit output power.
•
The PV-100208 is now fully operational.
