
24 Installation Guide THEIA HE-t String Inverters 357115.033, Issue 2.0, 2011 March
2.5. Checks before Start Up
Check that the bracket and the inverter are correctly mounted and secured.
Check that all terminals are correctly torqued, and that all connectors and cable glands are
correctly tightened and sealed.
Verify that the PV open-circuit voltage, V
OC
, is below the limit of 600 V
DC
, and that the
polarity is correct.
Verify that the conductors on the AC side are correctly connected to the AC terminal
block.
Ensure that no cables interfere with the sealing of the inverter lower cover, and fasten the
cover firmly to the housing. Recommended tightening torque is 1.0 Nm / 0.74 ft-lbf.
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