Pressure Switch; Rear Access Panel - Ariston AW 120 Repair Manual

10. PRESSURE SWITCH

11. REAR ACCESS PANEL

• To remove the Rear Access Panel, remove the seven (7) Phillips screws (Fig. 11-1). With the Rear Access Panel removed you
have access to the following components (Fig. 11-2); Water Temperature NTC (A), Main Motor & Belt (B), Drain Hose (C) and
Control Board (D).
REPAIR MANUAL
• To remove the Pressure Switch, first remove the Top Panel as described in Section 2,
then push in on the center support of the Pressure Switch Bracket and slide the Pressure
Switch up and off (Fig. 10-1).
Do not attempt to calibrate the Pressure Switch, replace as a complete assembly.
TECH NOTE: Pressure Switch wiring and function:
Fig. 10-1
Fig. 11-1
Contact 11. Common (BL)
Contact 12. Empty (BR)
Contact 14. Full (W)
Contact 16. Overfill (BK)
C
D
AW 120 / AW 122 / AW 125
AWD 120 / AWD 121 / AWD 129
A
B
Fig. 11-2
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