Hoymiles HiFlow Pro Series Quick Installation Manual

1. What's in the Box
Microinverter
2. Product Overview
1
2
3. Installation
1
EN
Mount the Microinverter
1
A) Attach the microinverter to the PV module mounting bracket.
Note: For ventilation and heat dissipation, the silver side should face the PV module.
B) Secure the microinverter to the bracket with M8 screws (torque: 9 N•m). Do not over-torque.
Connect PV Modules
2
A) Connect the microinverterʼ s positive connectors (female MC4 connector with a "-ˮ sign) to
the PV moduleʼ s positive terminals (male MC4 connector).
B) Connect the microinverterʼ s negative connectors (male MC4 connector with a "+ˮ sign) to
the PV moduleʼ s negative terminals (female MC4 connector).
C) Record the microinverterʼ s SN for system monitoring.
D) Mount the PV modules above the microinverter.
3 Connect one end of the Flex-S3 Plug and Play-CEE/7/7 to the microinverter and the other end to the socket.
Verify LED Status
4
A) Wait five minutes for the system to start generating power.
B) Check the LED indicator. (Flashing Green: System is operating normally. Solid Red or no LED: System error.)
Region: Europe AP041051
Flex-S3 Plug and Play Cable-CEE7/7
REV1.1 © 2025 Hoymiles Power Electronics Inc. All rights reserved.
HiFlow Pro 2-in-1 Series Quick Installation Guide
*Applicable to HMS-600/700/800/900/1000-2WB microinverter
Flex-S3 Disconnect Tool
3
4
2
Contact Us: hoymiles.com/support/
Installation Guide
AC Connector
1
DC Connectors
2
Mounting Bracket
3
LED Indicator
4
3
2
3
01