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: connect the other two L wires by step 1.

Step 3: plug the black N wire into the connector for N wire.

      Tighten it with a screwdriver.

Step 4: 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.