To manually unblock the motor shaft unscrew the blead screw in the center of the motor, a small amount of water might drip from the hole where the screw was this is normal and how you get the air out of the pump. Then use a flathead screw driver to unblock the motor shaft.

To manually  blead  air out of the EVOSTA2 set the speed to the max setting on the constant speed setting, then partially unscrew the bleed screw in the center of the motor, a small amount of water will drip from where the screw is. This is normal and how you get the air out of the pump. when the air is released retighten the screw. 

The EVOSTA2 is installed with 4 bolts and 2 flanges

Click in the link below to see the instructional video

Unscrew screw 2 retaining screws in the terminal box cover, remove the terminal box cover, 

connect the cable gland or conduit connector to the terminal box and bring the power cable into the box.

use wire nut to connect the wires together.

Click in the link below to see the instructional video

Count the blink to know what alarm fault you have