Microinverter PV System Operation:
1. Turn ON the AC circuit breaker on each microinverter AC branch circuit.
2. Turn ON the main utility-grid AC circuit breaker. Your system will start producing power after a
one-minute waiting time.
3. The unit LEDs should start blinking red, one minute after turning on the AC circuit breaker. The
LED should then blink blue. This indicates that the units are functioning normally, the faster the
LED blinks blue, the more power is generated.
4. Plug in the DMU and follow the instructions according to its manual.
5. The microinverters will send performance data through the power line to the DMU. The time
required for all the microinverters in the system to report to the DMU will vary on the number of
microinverters in the system. You can verify proper operation of the microinverters via the DMU.
See the DMU Installation and Operation Manual for more information.
NOTE: Once AC power is supplied, about 0.1A current and 25VA(W) power for each
microinverter may be measured with a meter. The current and power are reactive.
The inverters ARE NOT operating. After an over 60s waiting time, the inverters will
start operation.
Microinverter system operating instructions
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