HEX coupling.......................................................................................................................................... 77
Removing the HEX coupling ............................................................................................................ 78
Replacing the HEX coupling ............................................................................................................ 80
Magnetic solenoid valve .......................................................................................................................... 82
Management module ............................................................................................................................... 85
Operator display..................................................................................................................................... 88
Power inlet box ....................................................................................................................................... 93
Water group controller ............................................................................................................................ 97
Water inlet coupling .............................................................................................................................. 102
Water temperature sensor ...................................................................................................................... 107
Operation checklist................................................................................................................................ 111
Restoring water flow .................................................................................................................... 112
Flow meter ........................................................................................................................................... 114
Removing the flow meter .............................................................................................................. 114
Replacing the flow meter .............................................................................................................. 117
Magnetic valve ..................................................................................................................................... 118
Upgrading procedures .............................................................................................................. 123
Upgrading the HEX coupler .................................................................................................................... 123
Removing the HEX coupler............................................................................................................ 123
Replacing the HEX coupler............................................................................................................ 128
Maintenance ............................................................................................................................ 139
Maintenance and service ....................................................................................................................... 139
Contents 4