Ariston CLAS SYSTEM One - Hydraulic Unit; Right Hand Hydraulic Block Assembly; Way Valve Unit

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MAINTENANCE GUIDE
3. HYDRAULIC UNIT
3.1 RIGHT HAND HYDRAULIC BLOCK ASSEMBLY
1
2
3
4
10
11
6
7
8
9
Legend:
1 - Diverter valve motor
2 - Diverter valve
3 - D.H.W. ow switch assembly
4 - C.H. drain valve
6 - Central heating lter
7 - Pump
8 - Primary water pressure switch
9 - Auto air vent
10 - Central Heating return
11 - Cold water inlet (D.H.W.)
3.2. 3 Way valve unit
Tools
TIME 5 min
Drain the boiler (see 3.3).
Unplug the diverter valve cable
1
Rotate clockvise to unhook the locking ring.
2
Remove the 3 way valve motor.
3
Remove the clip and lift the diverter valve from the assem-
bly.
4
WHEN REASSEMBLING, ENSURE THE DIVERTER VALVE IS
ALIGNED CORRECTLY.