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IMPORTANT SAFETY INFORMATION
SAVE THESE INSTRUCTIONS
• All components must be installed and maintained by qualified personnel
in accordance with applicable electrical codes.
• Always wear appropriate PPE and use insulated tools.
• Improper installation may cause damage not covered by the warranty.
Overview
The GO Junction must be installed as an addition to a
commissioned Tigo EI Residential Solar Solution (EU).
To install the GO Junction, you will:
• Mount the GO Junction on a wall protected from direct
sunlight, rain, and snow.
• In the Tigo EI mobile app, update EI solution firmware
and add the GO Junction.
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EI Inverter
Upgrade
Tigo
COM
EI Link
GO Junction
Quick Start Guide
2
3
COM
• Connect a new COM cable (provided) between the EI
Link and the EI Inverter. This step is not needed if a
Tigo GO EV Charger has been installed.
• Connect the GO Junction to the EI Inverter, heat pump,
and GO EV Charger (if installed).
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4
5
6
GO Junction
Download
documentation with
important updates.
1
Inverter cable entry
2
DIP switches (not used)
3
EI Inverter terminal
4
Heat pump terminal
5
GO EV Charger terminal
6
Auxiliary terminal (not used)
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Heat pump cable entry
8
GO EV Charger cable entry
8
Heat Pump
COM
GO EV Charger
*002-00172-00*
©20240925 Tigo Energy, Inc. 002-00172-00 Rev. 1.3
the latest
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