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4. DTU Installation
4.1 System Capacity
The DTU is capable of monitoring up to 99 MI-250 microinverters or 49 MI-500
microinvrerters.
4.2 Required Basic Conditions
1. Before installing the DTU, ensure the site meets the following requirements:
(1) Standard 220VAC power outlet
(2) Stable broadband Internet connection
(3) Router with Ethernet port or LAN
2. The DTU installation’s environmental requirements:
(1) Away from dust, liquid, acidic or corrosive gas
(2) Temperature between -20ºC and 45ºC
3. If you plan to install the DTU on the wall, two #8(4.166mm diameter) screws and a
screwdriver shall be prepared in advance.