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PVI 23TL, 28TL Installation and Operation Manual (Rev J)
DOCR-070365-J
Page
44
of
66
8.0 Commissioning the Inverter PV System
Before commissioning, ensure that the inverter is mounted, all connections are made, and the
inverter is ready to power up.
NOTE:
Make sure all tools, parts, etc., are removed from the vicinity of the inverter
before turning it on.
WARNING:
Make a final check of all AC and DC wiring to the inverter and in the
system before turning on.
WARNING:
Connecting the inverter to the electric utility grid must only be
completed after receiving prior approval from the utility company. Installation
must be performed only by qualified personnel/licensed electrician(s).
NOTE:
With the PV modules connected and inverter disconnect switches still off,
perform a final check of the PV voltage and polarity once more using a digital volt
meter and probing the positive (+) and negative (-) PV connections.
8.1
Turning On the Inverter
1.
Turn on the dedicated three-phase circuit breaker or disconnect switch at the building
service.
2.
Turn on AC disconnect.
3.
Turn on DC disconnect.
8.2
Operation
The inverter will connect to the electric grid when the DC voltage first exceeds 330VDC (strike
voltage) and 300W of power is available. The inverter will shut down when the DC voltage falls
below 300VDC.
8.3
Turning Off the Inverter
1.
Choose
“4 settings”
from the
Main Menu
, and press
ENT
.
2.
Choose
“1 ON/OFF”
. Move the cursor to
“OFF”
and press
ENT
.
3.
The inverter will slowly ramp down the current and shutdown.
4.
Turn off the DC disconnect followed by the AC disconnect.