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RBS 24 - RAD - ING - Manual - 1709.1_MIAB2013_R7
1 Riempimento dell'impianto_RBS_HE_R7_EN
1. INSTALLATION
INST
ALLER
1.1.10. SYSTEM FILLING
WARNING
For system filling use only clean tap water.
WARNING
If the system is filled by adding ethylene
glycol-type chemical agents you have to install on
the loading system a hydraulic trip unit in order to
separate the heating circuit from the domestic circuit.
Before powering up the boiler, fill the system as
follows:
1. slightly loosen the cap of the circulator jolly
valve (1-fig. 1) to release the air from the
system;
2. open the feeding tap “R” (fig. 2);
3. use pressure gauge “M” (fig. 2) to make sure
that the system pressure reaches 1.2 bar (fig.
3);
4. After performing this operation, make sure that
the loading tap “R” (fig. 2) is properly closed.
5. open the air relief valves of the radiators and
check the air removal process. When the water
starts to leak close the radiators air relief
valves.
6. if after performing these operations you
observe a decrease of the water pressure
inside the system, open once again the loading
tap “R” until the pressure gauge indicates the
value of 1.2 bar (fig. 3)
1
M
R
fig. 1
fig. 2
fig. 3
