Ferroli F24 Installation, Service And User Instructions Manual page 32

7.05 Gas valve
• Isolate as and electricity supplies
• Remove outer case two screws bottom rear corners
• Remove the two securin screws
and lower control panel
• Disconnect electrical connections from valve "A"
• Disconnect plastic tube "C"
• Loosen the connection "D" on as pipe and the as
inlet connection of the boiler "E"
• Remove the two xin screw "E" below as valve
• Slide out as valve
• Remove four xin screw "F" on top of
the valve and disconnect the as pipe
• Remove bottom connection from as valve
• Fit top + bottom as connections to the new as valve
and replace in reverse order
7.06 Air pressure s it
• Isolate electricity
• Remove outer case two screws bottom rear corners
• pen room sealed department
• Remove the two screw "A" xin air pressure switch
• Disconnect electrical leads " "
• Remove pressure sensin tubes white D Red C
• ote relevant positions of all connections and
replace in reverse order
7.07.1 D.H.W. temperature sensor or Central Heating Temperature Sensor
• Isolate electricity and water supplies
• Remove outer case two screws bottom rear corners
• Remove the two securin screws and lower control panel
• Identify the sensor from
• Disconnect electrical connection to the sensor
• Drain the affected service either D
• nscrew the sensor
• Replace in reverse order
7.07. Water ressure S it
• Isolate electricity and water supplies
• Remove outer case two screws bottom rear corners
• Remove the two securin screws and lower control panel
• Identify the switch from
• Disconnect electrical connections + note positions to the switch
• Drain the boiler
• nscrew the sensor
• Replace in reverse order
7.07. Sa et alve
• Isolate electricity and water supplies
• Remove outer case two screws bottom rear corners
• Remove the two securin screws and lower control panel
• Identify valve from
• Drain the boiler
• Release the outlet union to the valve and undo the valve
union connection
• Remove the valve outlet ttin
• Replace in reverse order
32
ure
or C
ure
C
33
Fig.
ater pressure switch
C sensor
D
A
A
D
sensor
Safety valve
C
D
34
Fig.
35
Fig.