Hydraulic Unit - Ariston ALTEAS ONE Net Series Installation And Servicing Instructions

MAINTENANCE GUIDE

3. HYDRAULIC UNIT

3.1 RIGHT HAND HYDRAULIC BLOCK ASSEMBLY
1 1
2 2
3 3
Legend:
1 - Diverter valve motor
2 - Diverter valve
3 - By-pass
4 - D.H.W. fl ow switch assembly
5 - C.H. drain valve
6 - Central heating fi lter
7 - Pump
8 - Water pressure sensor
9 - Auto air vent
10 - Central Heating return
11 - Cold water inlet (D.H.W.)
3.2. 3 Way valve unit
Tools
Drain the boiler (see 3.3).
Unplug the diverter valve cable
1
50 /
9 9
8 8
4 4
7 7
6 6
1 0 1 0
5 5
TIME 5 min
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.