Please kindly fine N wire, L wire and E wire.
Before connection please cut off the power.
Step 1: loosen the air breaker connector with a screwdriver.
Plug the red L wire into the connector for L wire.
Tighten it with a screwdriver.
Step 2: plug the blue N wire into the connector for N wire.
Tighten it with a screwdriver.
Step 3: plug the yellow E wire into the connector for E wire.
Note: due to time limitation, the video shows only the connection of L & N wire.
The connecting method of yellow E wire is the same as that of L & N wires.