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Slide the metal AC transfer switch box back into the MCS unit on the sliding rails.
4.
Complete the operation checklist (on page 111).
5.
Air bleeder valve
The air bleeder valve is located inside the MCS unit, centered at the top of the unit.
The following tools are required for installation:
•
T-25 Torx driver
•
Pliers
•
Water hose fitting wrench (included with your original MCS unit)
•
Counter hold wrench (included with your original MCS unit)
Removing the air bleeder valve
Shut off the water flowing into the MCS unit.
1.
Remove the top fan unit.
2.
Remove the top heat exchanger unit.
3.
59)
("Shutting off the
("Removing the fan
unit" on page 51)
("Removing the heat exchanger unit with
water" on page 25)
couplers" on page
Removal and replacement procedures 31
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