1. Shut off power to the WPU.
2. Remove the middle front, upper front, upper left, and upper right side panels.
3. Remove the wiring cover from the condenser fan.
   
4. Disconnect the wiring to the condenser fan (3 wires)
   
5. Loosen the 4 screws securing the condenser fan and remove it from the unit.
   
6. Remove the top cover.
7. Remove the bar around the condenser coil.
   
8. Use a torch to unsolder the condenser inlet and outlet joints.
   
9. Remove the condenser coil.
   
10. Replace the condenser coil and solder the condenser inlet and outlet.
11. Reinstall the condenser fan by reconnecting the wiring and securing the fan to the top of the unit.