2.14 Preparing for initial startup
It is essential to perform the following checks before starting up
or testing the functioning of your
R RTQ boiler. In particular,
check that:
− the protective cardboard sheet (1) has been removed
from the ceramic bre;
1
− the turbulators (2) are correctly positioned inside the heat
exchange tubes and the clips (3) are resting against the
wall (4) of the heat exchanger;
2
3
4
− the water and gas cocks are open;
− there is an adequate fuel supply;
− the expansion vessel is properly charged;
− the working pressure in the water circuit is over 1 bar but
below the maximum limit specied for the boiler;
− the water circuits have been properly bled;
− the mains power connections to the boiler and its ac-
cessories (burner, pump, control panel, thermostats, etc.)
have been properly made.
9
The phase-neutral polarity has been respected.
9
A ground (earth) connection is obligatory.
2.15 Initial startup
Once you have completed all the preparatory steps, proceed as
follows to start up the boiler for the rst time:
− turn the system’s main power switch ON;
− if the system is equipped with a temperature controller or
timer thermostat, make sure that it is switched on;
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