Water Pressure Switch - Beretta Ciao C.A.I Service Manual

4.4.6 WATER PRESSURE SWITCH DISASSEMBLY (C.A.I.-C.S.I. Version)
OPERATION SEQUENCE
6 • Disconnect the boiler from the electricity
supply
• Turn off the gas tap
6.1 Turn off heating system taps
6.2 Remove the case.
See procedure pag. 25
6.3 Empty heating system
6.4 Remove lower clip fastening heating (1)
delivery flexible ramp
6.5 Remove lower part of heating
delivery flexible ramp
6.6 Remove clip (2) fastening water pressure
switch-circulator
6.7 Remove water pressure switch
from circulator
6.8 Remove safety hood from heating
pressure water
6.9 Detach fastons from heating
pressure water
Work the other way round from the above for reassembly operations.
! !
MAKE FUNCTIONAL TESTS PAGES 65, 66 and 67.
! !
2
26
ITEM INVOLVED
WITH OPERATION
Heating system taps
Safety valve lever
N. 1 clip
Heating delivery flex ramp
N. 1 clip

Water pressure switch

Safety hood
N. 3 fastons
1
caldaie
TOOLS NEEDED FOR
THE OPERATION
No tools – by hand
No tools – by hand
No tools – by hand
No tools – by hand
No tools – by hand
No tools – by hand
No tools – by hand
Pliers