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Removal and replacement procedures 26
2. Confirm that no water is flowing into the MCS unit.
AC transfer switch
The AC transfer switch is located at the bottom front of the MCS unit.
The following tools are required for installation:
• T-25 Torx driver
• Small Flathead screwdriver
Removing the AC transfer switch
1. Power down the MCS unit ("Powering down the MCS unit" on page 24).
2. Open the front MCS door.
3. Slide the metal AC transfer switch box out toward you on the sliding rails.