Water group controller

The water group controller is located at the bottom front of the MCS unit.

The following tools are required for installation:

•T-25 Torx driver

•Flathead screwdriver

•8-mm socket

Removing the water group controller

1.Power down the MCS unit ("Powering down the MCS unit" on page 24).

2.Remove the AC transfer switch ("Removing the AC transfer switch" on page 26).

3.Disconnect the seven electrical cables in the front of the water group controller.

Removal and replacement procedures 97