How connect MCP9600 with 3 wires screw thermocouple

Hello!
I’m using Grove - I2C Thermocouple Amplifier(MCP9600).
If I connect MCP9600 with 2 wires thermocouple, it works well.
That’s mean I can check temperature.
But, it doesn’t work, when I connect MCP9600 with 3 wires (screw) thermocouple.

I think MCP9600 works well regardless of 2/3/4 wires, if I connect correct on thermocouple input negative/positive pole…

How to use MCP9600 with 3 wires screw thermocouple?
I’m waiting for many replies.
Thank you.

How is it connected? Can you provide a picture of the connection?