Hybrid Inverter User Manual
© 2022 Hoymiles Power Electronics Inc. All rights reserved.
22
WARNING
Before connecting the Smart Meter and CT, ensure that the AC cable is totally
isolated from the AC power source.
Step 6
• Install communication box with screws.
• Connect the other end of the BMS cable to
the battery, following the battery’s manual
instructions.
6
3
2
1
M3
0.6-0.8 N·m
40mm
6-7 N·m
3.3.5.2 Smart Meter and CT Connection
A Smart Meter with the CT in the accessory box is necessary for system installation, and is used to provide
the operating condition of the inverter via RS485 communications.
• One smart meter can be used with only one HYT-HV inverter.
• Three CTs must be used for one smart meter and must be connected on the
same phase with the smart meter power cable.
• There is a symbol (arrow) or label on the cell of CTs that indicates the correct
mechanical orientation of the CT on the conductor under measurement.
Please identify the arrow or label before installing the CT.
NOTICE
Procedure
Step 1
• Place the smart meter in or near the grid distribution box right after the utility
meter.
• Connect grid L1/L2/L3/N to meter’s terminals 3/6/9/10.
• Clamp three CTs to L1/L2/L3/N and connect wirings to 13/14, 16/17, and 19/21
Respectively.
Step 2
• Connect the communication cable between the inverter and smart meter.
485A 485B
