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Removal and replacement procedures 61
5. Disconnect the condensation hose from the heat exchanger unit.
6. Disconnect the green and yellow ground bonding wire grounding the heat exchanger unit to the
MCS unit.
7. Open the front MCS door.
IMPORTANT: Keep the Torx screws separated according to their thread type and note which
thread type came from which hole location on the shipping bracket.
8. Remove the two heat exchanger unit shipping brackets.
a. Using a T-25 Torx driver, remove the four Torx screws securing the heat exchanger unit shipping
brackets to the MCS frame (1).
b. Using a T-25 Torx driver, remove the four Torx screws securing the heat exchanger unit shipping
brackets to the heat exchanger unit (2).