10
Pelletti XL
Boiler Operation and Maintenance
Check that:
The flue is open and there is no installa-
tion or other waste at its base.
The boiler and heating system are filled
with water and circulation is functioning.
Piping connections are tight.
The system is under pressure.
The safety relief valve is working, i.e.
water runs from the drain line during
valve testing.
Before the first operation the system shall be
deaerated. During the first filling of the sys-
tem air dissolved in water gets into the sys-
tem; it
is removed from boiler water when tempera-
ture increases.
Pellet boiler shall be mounted into the lower
hatch of boiler. The boiler has been tested
with Iwabo Villa S1 20 kW and Iwabo 30 kW
burners. Instructions supplied with the burner
shall be followed. Thermostatic regulator of
the burner shall be set at temperature of 75 ºC
or bigger value in order to receive bigger
quantity of hot water for domestic use. TEH
thermostatic regulator is set, for example, at
the value of 60 ºC.
Control Panel
1.
Pressure/temperature gauge
displays pressure and
water temperature in the boiler.
2.
TEH temperature limitor
switches off TEH if water temperature in the boiler
exceeds 98°C. Limiter shall operate only in case of
improper operation or the instrument failure. Limiter
acknowledgement is performed by a sharp object
pressing on acknowledgement push-button. Water in
the boiler shall cool down before acknowledgement.
3.
Electric heating indicator lamp
is on when TEH is operating.
4.
TEH thermostatic regulator
xx-90°C.
TEH shall switch on when water temperature in the
boiler reduces up to the set value. During normal
operation - approximately 60 °C.
5.
Regulating burner thermostat
75 - 85°C
activates pellet burner when water temperature in the
boiler reduces up to the set value. Set value shall be
at least 75°C during normal operation.
6.
Temperature limiter of the burner
switches the burner off when temperature in the boil-
er is more than 98°C. The limiter shall operate only
in case of improper operation or the instrument fail-
ure. Limiter acknowledgement is performed by pro-
tective cap opening and pressing acknowledgement
push-button. Water in the boiler shall cool down be-
fore acknowledgement.
7.
Cut-off device
Electric cut-off of the
pellet burner
8.
Electric leads
9.
Panel for electric connections
10.
Electric connections strip
11.
TEH
