Hoymiles Smart Meter for HYS Hybrid Inverters

Hoymiles Smart Meter for HYS Hybrid Inverters

Hoymiles HYS Hybrid Inverters are designed to work seamlessly with a dedicated energy meter manufactured by Chint. This smart meter plays a crucial role in monitoring grid consumption and optimizing system performance. Below is a step-by-step overview of how to properly install and integrate the Chint meter with your Hoymiles inverter.

Powering the Chint Meter

To operate correctly, the Chint meter requires its own 2-pole dedicated breaker. This breaker should deliver both L1 and L2 phases, along with a neutral wire, into the bottom terminals of the meter.

  • The power supply terminals are clearly labeled:
  • L1 → Port 2
  • L2 → Port 5
  • N (Neutral) → Port 10




The CTs themselves, which monitor how much grid power is consumed, need the open ends to land on the top of the meter like this:



--> Here it is closer up:


That covers how to connect the Chint meter to the CTs themselves and how to get power to the meter.


Now let's look at how the Chint meter plugs into the inverter itself:



We're tying into ports A and B on the meter, and these two wires connect to our inverter:


---> Then plug into ports 1 and 2 on the inverter communications board as shown above.


Mount a small section of DIN rail inside your main breaker panel and install the meter there.


​

A small box mounted next to the breaker panel would also work great, but would be unnecessary in some instances.


Always refer to the latest version of the manufacturer’s instructions and any applicable codes.


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