3.Slightly open the top vent of the air bleeder valve, approximately 3/4 turn, to allow for air flow.
4.Replace the top heat exchanger unit. ("Replacing the heat exchanger unit with couplers" on page 63)
5.Replace the top fan unit. ("Replacing the fan unit" on page 52)
6.Restore water flow to the MCS unit. ("Restoring water flow" on page 112)
7.Complete the operation checklist (on page 111).
Air deflector plate
The air deflector plate is not a spare part. The removal and replacement instructions for the air deflector plate are provided so that you can access other components.
No tools are required for this procedure.
Removing the air deflector plate
1.Loosen the two thumbscrews securing the air deflector plate to the MCS unit.
2.Disconnect the green and yellow ground bonding wire.
