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4.4.13 LIMIT THERMOSTAT DIASSEMBLY (C.A.I.-C.S.I. Version)
OPERATION SEQUENCE
13
• Disconnect the boiler from the electricity
supply
• Turn off the gas tap
13.1 Remove the case.
See procedure pag. 25
13.2 Remove hood shaped at 90° from
limit thermostat
13.3 Unscrew the 2 screws fastening (1) limit
thermostat-exchanger
13.4 Apply thermoconductive paste to new
limit thermostat
13.5 Retrieve ring nut and insert new
limit thermostat
For reassembly proceed the other way round to the above description locating the two thermostat terminals as they
! !
were in the original configuration.
MAKE FUNCTIONAL TESTS PAGES 65, 66 and 67.
! !
1
36
ITEM INVOLVED
WITH OPERATION
90° shaped hood
N. 2 screws
Limit thermostat
Ring nut and limit thermostat
caldaie
TOOLS NEEDED FOR
THE OPERATION
No tools – by hand
PH1 screwdriver or wrench 5 mm
Thermoconductive paste
No tools – by hand
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