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caldaie
4.4.10 HEATING NTC PROBE DISASSEMBLY (C.A.I.-C.S.I. Version)
OPERATION SEQUENCE ITEM INVOLVED TOOLS NEEDED FOR
WITH OPERATION THE OPERATION
10 • Disconnect the boiler from the electricity
supply
• Turn off the gas tap
10.1 Turn off heating system taps Heating system taps No tools – by hand
10.2 Remove the case.
See procedure pag. 25
10.3 Empty heating system Safety valve lever No tools – by hand
10.4 Remove safety hood from heating
NTC probe Rubber safety hood No tools – by hand
10.5 Disconnect connector from heating
NTC probe Connector No tools – by hand
10.6 Unscrew heating NTC probe NTC probe and aluminium sealing 13mm wrench
!!
Work the other way round from the above for reassembly operations.
!!
MAKE FUNCTIONAL TESTS PAGES 65, 66 and 67.