Important: Turn AC power off at the source, and verify that it is off.
- Disconnect the facepack ribbon cable.
- Remove and replace the ICC or ICC2 facepack with the HCC Hydrawise-ready facepack.
- Remove all wiring from the ICC or ICC2 power module.
- Remove and replace power module by rotating the locking lever up, then insert the new power module and rotate the locking lever down.
- Reinstall power module wires.
- Reconnect ribbon cable to facepack and power module.