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BOILER START-UP PRELIMINARY TESTING
ES
Yearly appliance check and maintenance.
The following checks and maintenance should be performed at least once
a year.
PT
- Clean the flue side of the heat exchanger.
- Clean the main burner.
- Make a visual inspection of the flue extraction hood for wear or corrosion.
GR
- Ensure correct ignition and operation.
- Ensure correct settings of the burner in domestic water and heating
phases.
PL
- Verify correct operation and adjustments of the appliance, in particular:
- activation of the electrical main switch on the boiler;
- activation of the system control thermostat;
TR
- activation of the domestic water control thermostat.
- Ensure sealing efficiency of the gas intake circuit; insert a "U" or digital
type pressure gauge in the pressure socket upstream of the gas valve
and subsequently closing the boiler shutoff valve (cock) and closing the
CZ
gas valve, no pressure variation must occur in the next five minutes on
the gauge.
Eolo Star wiring diagram.
HR
SL
HU
RU
RO
Primary
GB
Secondary
Ambient thermostat and timer: the boiler is fitted for the Ambient Thermostat
(TA) and timer (OP). If there is only one of these, connect to terminals 6 - 9
removing jumper P1. Whereas, if there are both then connect TA to terminals
8 and 9 and OP to terminals 6 and 7 after removing P1.
136
Supply
Min. C.H.
C.H.
D.H.W.
Temperature
Temperature
Max. C.H.
- Ensure activation of the device for protection against the ionisation flame
control gas; activation time must be less than ten seconds
- Visually inspect to check for leakage of water or oxidation of relative
couplings.
- Check visually that the water safety valve outlets are not blocked.
- Check that the charge of the expansion vessel after discharging system
pressure to the zero setting (check via boiler pressure gauge), is at 1,0
bar.
- Check that the system static pressure (in cold conditions and after system
recharging via the filling valve ) is between 1 and 1,2 bar.
- Check visually that the safety and control devices have not been
tampered with and/or shorted, in particular:
- temperature safety thermostat;
- water pressure switch;
- air pressure switch.
- Ensure correct maintenance and good condition of the electrical system
and in particular:
- electrical power cables must be inside the whipping;
- there must be no traces of blackening or burning.
Key:
E1 - Ignition plug
E3 - Detection plug
JP1 - Gas selector
JP2 - Domestic functions selector
JP3 - Heating timer selector
LD1 - Flame presence LED
LD2 - Fault indicator LED
MOD- Modulating coil
MP - Circulating pump
MV - Fan
M14 - Town gas selector
NM - Delivery NTC sensor
NS - Domestic circuit NTC sensor
OP - Timer (optional)
P1 - Room thermostat jumper
SS - Domestic flowrate microswitch
SP - Absolute pressure microswitch
SV - Air pressure microswitch
TA - Room thermostat On/Off (optional)
TS - Overtemperature safety thermostat
VG - Gas valve
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