SunPowerCorporationDocument#001‐69178Rev**
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3.0 OPERATION
3.1 Start Up Procedures for the SunPower Inverter
WARNING:
Before turning on the SunPower Inverter ensure that the front panel is
closed properly.
WARNING: The heat sink can reach temperatures in excess of 158º (70ºC). Care must be
taken to not touch the heat sink when in use. Nothing should be placed on top of the heat
sink.
Starting up the SunPower Inverter requires the following steps in the order indicated below:
1. Turn the AC breaker ON.
2. Verify that a red LED light is illuminated.
3. Remove the dark cover from the PV panels.
4. Check the polarity to make sure the + and – are wired correctly and confirm that the PV
panel open circuit voltage is at or below the level specified in Figure 8.
5. Turn the DC breaker ON (If installed).
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