© 2021 Hoymiles Power Electronics Inc. All rights reserved.
4
Single-phase Microinverter HMS-1800/2000
1. Important Notes
1.1 Product Range
This manual describes the assembly, installation, commissioning, maintenance and failure search of the
following model of Hoymiles Three-Phase Microinverter:
· HMS-1800-4T
· HMS-2000-4T
*Note: “1800” means 1800W, “2000” means 2000W.
HMS-1800/2000-4T is only compatible with Hoymiles gateway DTU-Pro-S and DTU-Lite-S.
1.2 Target Group
This manual is only for qualied technicians. For safety purposes, only those who have been trained
or demonstrate relevant skills can install and maintain this microinverter under the guidance of this
document.
1.3 Symbols Used
The safety symbols in this user manual are show as below.
Symbol Description
This indicates a hazardous situation that can result in deadly electric shocks,
other serious physical injury, or re incidents.
This indicates that directions must be strictly followed to avoid safety hazards
including equipment damage and personal injury.
This indicates that the act is forbidden. The user should stop, use caution and
fully understand the operations explained before proceeding.
1.4 Radio Interference Statement
This microinverter has been tested and complies with the requirements of CE EMC, meaning that it will not
be aected by electromagnetic interference. Please note that incorrect installation may cause electromag-
netic disturbances.
You can turn the equipment o and on to see if radio or television reception is interfered by this equipment.
If this equipment does cause harmful interference to radio or television, please try the following measures
to x the interference:
1) Relocate other apparatus’ antenna.
2) Move the microinverter farther away from the antenna.
3) Separate the microinverter and the antenna with metal/concrete materials or roof.
4) Contact your dealer or an experienced radio/TV technician for help.
Important Notes
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