© 2022 Hoymiles Power Electronics Inc. All rights reserved.
04
Data Transfer Unit User Manual
3. Interface Layout
3.1 For Wi-Fi Version
4. Installation Planning and Preparation
4.1 Pre-installation
4.1.1 System Capacity
The DTU-Lite-S is capable of monitoring up to 99 PV modules. If the communication between the
DTU and microinverter is affected by the installation conditions, the number of PV modules that the
DTU can monitor may be reduced.
Note: The maximum number of modules is only possible in open space when installation conditions detailed in DTU
and microinverter manuals are fulfilled and the microinverter and DTU are properly placed apart as required.
4.1.2 Environmental Requirements for DTU Installation:
• The DTU should be installed away from dust, liquid, acidic, or corrosive gas.
• The ambient temperature should be between -20ºC and 55ºC.
4.2 Dimensions
A
B C
Item
Description
A
USB Connector
B
Status Indicator
C
Reset Button
12.5 mm
33.0 mm
143.0 mm
