Remove the new exhaust fan panel, install the exhaust fan into the wall hole, pay attention to the outer frame edge of the exhaust fan and the wall should be reserved 10mm, tighten the fixing screws, the exhaust fan panel back.

Re-connect the wires

According to the instruction manual of the fire wire, zero wire, ground, and the original cut connection line fire wire, zero wire, ground line were connected. Wrap it with electrician's tape.

Finally

Plug in the power switch, the operation is normal. Replacement is complete.

There is one to pay attention to: the installation of the direction of the exhaust fan, up and down, left and right do not reverse