EdgeStar AP550Z - Manual (Page 5)

8. If any wires are not connected, connect them. The three blue wires all
connect to one terminal, and the one red wire connects to a terminal all by
itself.
This image shows the
capacitor removed (not a
required step) in order to
show greater detail
Blue wires all
connect here
Red wire
connects here
Bare terminal
9. Finally, put the unit back together by reversing the above instructions.
10. Once the unit is completely reassembled, plug it in. Select the cool mode,
and lower the thermostat settings all the way. The compressor should kick
on after no more than 3 minutes. If so, congratulations on the repair! If
not, call EdgeStar service at 866-319-5473 for further assistance.