Immergas MINI Eolo X 24 3 E Manual De Instrucciones Y Advertencias página 269

3.17 YEARLY APPLIANCE CHECK AND
MAINTENANCE.
The following checks and maintenance should
be performed at least once a year.
- Clean the flue side of the heat exchanger.
- Clean the main burner.
- Visually check the flue hood for deterioration
or corrosion.
- Check correct lighting and functioning.
- Check correct calibration of the burner in do-
mestic hot water (when the boiler is connected
to an external cylinder) and central heating
phases.
- Check correct functioning of control and
adjustment devices and in particular:
- the intervention of main electrical switch
positioned outside of the boiler;
- system control thermostat intervention;
- domestic hot water control thermostat inter-
vention (when the boiler is connected to an
external cylinder).
HEAT HEAT
OUTPUT OUTPUT
(kW) (kcal/h)
24.0 20640
23.0 19780
22.5 19353
21.0 18060
20.0 17200
19.0 16340
CH.
18.0 15480
DHW.
17.0 14620
16.0 13760
15.0 12900
14.0 12040
13.0 11180
12.0 10320
11.0 9460
10.0 8600
9.3 7998
8.0 6880
D.H.W.
7.2 6192
3.19 COMBUSTION PARAMETERS.
Gas nozzle diameter
supply pressure
Flue flow rate at nominal heat output
Flue flow rate at min heat output
CO at Q. Nom./Min.
2
CO at 0% of O at Nom. Q./Min.
2
NO at 0% of O at Nom.Q./Min.
X 2
Flue temperature at nominal output
Flue temperature at minimum output
- Check sealing efficiency of the gas circuit and
the internal system.
- Check the intervention of the device against no
gas ionisation flame control. Intervention time
must be less than 10 seconds.
- Visually check for water leaks or oxidation
from/on connections.
- Visually check that the water safety valve drain
is not blocked.
- Check that, after discharging system pressure
and bringing it to zero (read on boiler manom-
eter), the expansion vessel factory-set pressure
is at 1.0 bar.
- Check that the system static pressure (with
system cold and after refilling the system by
means of the filling valve) is between 1 and
1.2 bar.
- Visually check 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
METHANE (G20)
BURNER GAS PRESS. BURNER
FLOW RATE NOZZLES
(m /h) (mbar) (mm H O)
3
2
2.71 12.51 127.6
2.60 11.53 117.6
2.55 11.06 112.8
2.39 9.70 99.0
2.28 8.86 90.3
2.17 8.06 82.2
2.06 7.30 74.4
1.96 6.58 67.1
1.85 5.91 60.2
1.74 5.27 53.7
1.63 4.68 47.7
1.52 4.12 42.0
1.41 3.61 36.8
1.30 3.13 31.9
1.19 2.70 27.5
1.11 2.42 24.7
0.97 1.96 20.0
0.88 1.71 17.4
- Check the condition and integrity of the electri-
cal system and in particular:
- electrical power cables must be inside the
whipping;
- there must be no traces of blackening or
burning.
N.B.: on occasion of periodical maintenance of
the appliance it is appropriate also to check and
perform maintenance on the central heating
system, in compliance with that indicated by the
regulations in force.
3.18 VARIABLE HEAT OUTPUT.
N.B.: the pressures indicated in the table repre-
sent the difference in existing pressures between
the gas valve outlet and the combustion chamber.
The adjustments should therefore, be carried
out using a differential manometer (small "U"-
shaped column or digital manometer) with the
probes inserted in the pressure test gas valve
outlet and on the sealed chamber positive pres-
sure test. The power data in the table has been
obtained with intake-exhaust pipe measuring 0.5
m in length. Gas flow rates refer to heating power
below a temperature of 15°C and at a pressure of
1013 mbar. Burner pressure values refer to use
of gas at 15°C.
BUTANE (G30)
BURNER GAS PRESS. BURNER
FLOW RATE NOZZLES
(kg/h) (mbar) (mm H O)
2
2.03 29.01 295.8
1.94 26.65 271.7
1.90 25.52 260.2
1.78 22.29 227.3
1.70 20.28 206.8
1.62 18.38 187.5
1.54 16.60 169.2
1.46 14.92 152.1
1.38 13.34 136.0
1.30 11.87 121.1
1.22 10.51 107.1
1.14 9.24 94.3
1.06 8.09 82.5
0.97 7.03 71.7
0.89 6.09 62.1
0.83 5.49 56.0
0.72 4.52 46.1
0.65 4.02 41.0
G20
mm 1,35
mbar (mm H O) 20 (204)
2
kg/h 55
kg/h 45
% 6,65 / 2,50
ppm 92 / 80
mg/kWh 180 / 140
°C 101
°C 94
PROPANE (G31)
BURNER GAS PRESS. BURNER
FLOW RATE NOZZLES
(kg/h) (mbar) (mm H O)
2
1.99 37.45 381.9
1.91 34.43 351.1
1.87 32.98 336.4
1.75 28.85 294.2
1.67 26.28 268.0
1.59 23.85 243.2
1.52 21.56 219.9
1.44 19.42 198.0
1.36 17.40 177.5
1.28 15.52 158.3
1.20 13.78 140.5
1.12 12.17 124.1
1.04 10.69 109.0
0.96 9.35 95.4
0.88 8.15 83.1
0.82 7.39 75.3
0.71 6.16 62.8
0.64 5.53 56.3
G30 G31
0,79 0,79
29 (296) 37 (377)
55 56
43 42
7,70 / 3,00 7,50 / 3,10
137 / 95 90 / 80
260 / 160 240 / 160
103 101
96 99
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