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PVI 23TL, 28TL Installation and Operation Manual (Rev J)
1.0
Introduction ...........................................................................................................................7
1.1
PVI 23-28TL Inverter Enclosure ................................................................................................... 9
1.2
PVI 23-28TL Inverter Main Parts and Accessories .................................................................... 10
2.0
Site Preparation and Inverter Placement ............................................................................... 12
2.1
Criteria for Device Mounting .................................................................................................... 12
3.0
Inverter Mounting ................................................................................................................ 14
3.1
Checking for Shipping Damage ................................................................................................. 14
3.2
Unpacking and Moving the Inverter into Place ........................................................................ 14
3.3
Inverter Positioning and Mounting ........................................................................................... 15
3.4
Installing the Mounting Bracket................................................................................................ 18
4.0
Grounding Connections ......................................................................................................... 21
4.1
Inverter Knockouts .................................................................................................................... 21
4.2
DC/AC Grounding ...................................................................................................................... 22
5.0
DC Connections from the PV Array ........................................................................................ 23
5.1
DC Wiring .................................................................................................................................. 24
5.2
Dual Maximum Power Point Tracking ....................................................................................... 26
5.3
Fuse Bypass OPT-FUSEBYPASS-PVI-23-28 ................................................................................. 28
6.0
AC Connections at the Inverter .............................................................................................. 30
6.1
AC Interconnections to Grid ...................................................................................................... 31
7.0
Communication Connections ................................................................................................. 32
7.1 Modbus (RS-485) Network Connections with External Monitoring Systems .................................... 34
7.2
Connecting TL Inverters using SolrenView Monitoring Option ................................................ 39
7.3 Dry Contact Communication ............................................................................................................. 40
8.0
Commissioning the Inverter PV System .................................................................................. 44
8.1
Turning On the Inverter ............................................................................................................ 44
8.2
Operation .................................................................................................................................. 44
8.3
Turning Off the Inverter ............................................................................................................ 44
9.0
LCD and LED Indicators .......................................................................................................... 45
9.1
LCD ............................................................................................................................................ 45
9.2
Screen Descriptions................................................................................................................... 47
10.0
Troubleshooting and Inverter Messages ............................................................................... 51
11.0
Product Maintenance ........................................................................................................... 55
DOCR-070365-J
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