Can I optimize my system without a TAP, CCA, or a connection to the Internet?

Yes, the Tigo TS4-O can be used stand-alone. The TAP, CCA, and the Internet are not required for optimizing your PV array.

The TS4-O has a unique feature referred to as Predictive IV, which uses the electrical properties of the module itself to predict optimal performance conditions. This data is used in conjunction with Tigo's impedance matching technology and allows for selective placement only on shaded modules even without communication. Using this feature, TS4-O units can be deployed on under-performing modules and no other equipment whatsoever. See Installing TS4 Without Communication for further details.

Important Note: If you also require rapid shutdown, a CCA and at least one TAP is required. If you require monitoring, an on-site Internet connection, a CCA and at least one TAP is required. 

This table summarizes what is required for each of the TS4-O features:

* The Internet connection is required for commissioning only. 

You cannot manage your Tigo optimized system in-real-time without a CCA, TAP, and Internet connection.