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The StarInverter is continuously monitoring
:
1. The AC grid connection to ensure the AC voltage and frequency levels are within
safe operating limits (per UL and NEC specifications).
2. The DC PV panel input(s) to ensure safe operating conditions (per UL and NEC
specifications).
3. The StarInverter itself to ensure only safe operating conditions exist within the
operating environment.
If all 3 conditions are met, the inverter will illuminate the “OK” (Green) LED.
If any one of the operating conditions is not met there is a fault and the StarInverter will
illuminate the “STAND BY” (Red) LED.
The “STAND BY” (Red) LED will illuminate when the PV panel voltage is not within safe
operating limits. This will occur at sunset, when the inverter will turn off for the night. It
may also occur when clouds reduce the amount of sunlight, or when the panels are
covered with snow. Anytime the level of sunlight is too low to produce 120 volts for the
PVP1800 or 180 volts for the PVP2800-208 (200 volts for the PVP2800-240) of DC input
(the low end of the StarInverter’s operating range) the inverter will turn off. This ensures
only safe and clean (low distortion) power is being generated. When the panels are once
again exposed to enough sunlight, the StarInverter’s auto-start feature will begin, and
after 5 minutes, the “OK “ (Green) LED should illuminate.
If the “STAND BY” (Red) LED continues to illuminate when there is sufficient sunlight for
operation, verify all wiring connections are solid. See Section 4.0 Troubleshooting. If the
StarInverter Command Center is communicating with the inverter, the exact operating
conditions can be determined in real-time.
VACUUM FLOURESCENT DISPLAY
The vacuum fluorescent display will indicate the StarInverter status and real-time power
output into the AC Grid. This display will provide the following information:
• AC power produced in real-time
• PV input in real-time
• Total Output as kW-hr
• Greenhouse gases saved in lbs
If a fault has occurred, the display will also provide a fault code that corresponds to a set
of defined faults. Please refer to Section 4.0 Troubleshooting.
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