Hoymiles HM-400NT Series Quick Installation Manual

1. Accessories

Item
A AC Trunk Cable, 12/10 AWG Cable
B
C
D AC Trunk Port Disconnect Tool
E AC Trunk Connector Unlock Tool
F
G
*Note: All accessories listed above are not included in the package, and need to be purchased separately. Please contact our sales representative
for pricing information. (M8 screws need to be prepared by the installer.)

2. Installation Steps

Ensure the microinverter is installed in the required environment. (Refer to product user manual for more details.)

2.1 Pre-installation

A) Plan the cable length to make the bus cable aligned with each PV module.
B) Install the AC Trunk End Cap:
- Use the AC Trunk Connector Unlock Tool to
unlock the port upper cover.
- Loosen the three screws with a screwdriver.
Untighten the cap as circled below, and
remove the extra cable.
- Screw the cap back into the port, and insert
the AC Trunk End Cap.
- Plug the upper cover back to the bus
connector.

2.2 Installation Steps

Step 1. Attach Microinverter on Rail

A) Mark the center of each panel on the frame.
B) Fix the screw on the rail.
C) Hang the microinverter on the screw (as
shown in the picture), and tighten the
screw. The silver cover side of the
microinverter should be facing the panel.
*Note: Please install the microinverter at least 50 cm above the ground/roof for better communication with the Hoymiles DTU.
Region: North America AP040243
Description
M8 × 25 Screws
DC Extension Cable, 1 m
AC Sub Cap
AC Trunk End Cap, IP67
REV1.3 © 2022 Hoymiles Power Electronics Inc. All rights reserved.
HM-400NT Series Quick Installation Guide
*Applicable to HM-300NT/350NT/400NT microinverters
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