Access To The Water Circuit; Removing The Pump Pressure Switch; Removing The Safety Valve; Removing The Automatic Air Vent - Ariston microSYSTEM 10 RFFI Servicing Instructions

1.5 A
CCESS TO THE
Important! Before any component is removed, the boiler
must be drained of all water.

1.5.1 Removing the pump pressure switch

1. Remove the cable of the pump pressure switch "W"
(Fig. 1.31);
2. Unscrew the pump pressure switch by using a spanner
on the nut "X"(F . 1.32);
IG
3. Remove the pump pressure switch.
W C
ATER IRCUIT
W
F . 1.31
IG
X
F . 1.32
IG

1. 5. 2 Removing the safety valve

1. Loosen nut "Y" (F . 1.33);
IG
2. Disconnect the discharge pipe work from below the
boiler;
3. Unscrew and remove the valve.

1.5.3 Removing the automatic air vent

1. Unscrew valve top "Z" (F
2. Remove valve complete with float (F
Z
Y
F . 1.33
IG
. 1.34);
IG
1.35).
IG
F . 1.34
IG
F . 1.35
IG
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