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TECHNICAL ASSISTANCE SERVICE
TECHNICAL ASSISTANCE SERVICE
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TECHNICAL ASSISTANCE SERVICE
4.1
Preparing for initial startup
It is essential to perform the following checks before starting up
or testing the functioning of your
R
TAU N
boiler. In particular,
check that:
− The turbulators (1) are correctly positioned (vertical posi-
tion) inside the heat exchanger tubes and the clips (2) are
resting against the wall (3) of the heat exchanger
1
2
3
− The water and gas cocks are open
− The expansion vessel is properly charged
− The working pressure in the heating circuit is over 1 bar
but below the maximum limit specified for the boiler
− The water circuits have been properly bled
− The condensate discharge siphon has been filled with
water
− The mains power connections to the boiler and its ac-
cessories (burner, pump, control panel, thermostats, etc.)
have been properly made.
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The phase-neutral polarity has been respected.
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A ground (earth) connection is obligatory.
4.2
Initial startup
Once you have completed all the preparatory steps, proceed as
follows to start up the boiler for the first time:
− Turn the boiler’s mains power switch ON
− If the system is equipped with a temperature controller or
timer thermostat, make sure that it is switched on
− Turn the control panel power switch ON and make sure
that the green power indicator lights
− Make the settings as instructed in the instruction manual
for your control panel
− Adjust the timer thermostat/s or temperature controller
to the desired temperature (~20°C);
Technical Assistance Service
