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R1K 50 RAIN - RAD - ING - Man.Inst. - 1901.1_SK.3_firm.L224C_AHS
2 Svuotamento
dell'impianto_R1K
50_Y
ONOS
PARA
RS-7.5_EN
2. MAINTENANCE
SUPPOR
T
CENTRE
2.2.14. SYSTEM EMPTYING
HEATING SYSTEM EMPTYING
Whenever you need to empty the system, proceed
as follows:
› switch the boiler to “WINTER” mode and activate it;
› turn off the main power supply switch;
› wait for the boiler to cool down;
› connect a flexible tube to the system emptying
outlet and connect the other end of the tube to a
suitable discharge;
› turn the discharge tap of the system ‘RS’ (fig. 1);
› open the relief valves of the radiators starting
from the one at the top and continuing
downwards;
› after draining out all water, close the relief valves
of the radiators and the emptying tap.
RS
fig. 1
