Immergas EOLO Maior 24 kW Manual De Instrucciones página 120

Yearly appliance check and maintenance.
The following checks and maintenance should be performed at least once
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a year.
- Clean the fume side of the heat exchanger.
- Clean the main burner.
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- Visually check the fume extractor hood for wear or corrosion.
- Check correct ignition and operation.
- Check correct setting of the burner in domestic hot water and heating
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phases.
- Check correct operation of appliance control adjustment devices, in
particular:
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- activation of the electrical main switch on the boiler;
- activation of the system control thermostat;
- activation of the domestic hot water control thermostat.
- Check the tightness of the gas circuit section between the appliance
on/off valve (cock) and gas valve (cut out). Inserting a "U" type or
differential digital pressure gauge in the pressure point ahead of the gas
valve and subsequently closing the boiler on/off valve (cock) and closing
the gas valve, after 5 minutes there must be no pressure variation on the
gauge.
- Check activation of the device against no gas ionization flame control;
intervention time must be less than ten seconds.
- Visually check for water leaks or oxidation in relative couplings.
- Check visually that the water safety drain valves are not blocked.
- Make sure that after discharging system pressure and bringing it to the
zero (read on boiler pressure gauge), the expansion tank charge is 1.0
bar.
Eolo Maior 24kW - Variable heat output.
HEAT HEAT
OUTPUT OUTPUT
(kW) (kcal/h)
24,0 20640
21,5 18500
19,8 17000
19,2 16500
18,6 16000
18,0 15500
17,4 15000
16,9 14500
16,3 14000
15,7 13500
15,1 13000
14,5 12500
14,0 12000
13,4 11500
11,0 9500
9,3 8000
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NATURAL GAS (G20)
GAS NOZZLE
FLOWRATE PRESSURE
BURNER BURNER
(m 3 /h) (mbar) (mm H O)
2
2,74 12,20 124,4
2,47 9,94 101,4
2,28 8,50 86,7
2,22 8,04 82,0
2,16 7,60 77,5
2,10 7,17 73,1
2,03 6,75 68,8
1,97 6,34 64,7
1,91 5,95 60,7
1,84 5,57 56,8
1,78 5,20 53,0
1,72 4,84 49,4
1,65 4,50 45,9
1,59 4,17 42,5
1,33 2,97 30,2
1,13 2,20 22,4
- Check that the system static pressure (with system cold and after system
recharging via the filler cock) 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:
- overtemperature safety thermostat;
- system pressure switch;
- fume pressure switch.
- Check correct maintenance and good condition of the electrical system
and in particular:
- electrical feed wires must be inside the whipping;
- there must be no traces of blackening or burning.
BUTANE (G30)
GAS NOZZLE
FLOWRATE PRESSURE
BURNER BURNER
(kg/h) (mbar) (mm H O)
2
2,04 27,50 280,5
1,84 22,02 224,6
1,70 18,63 190,0
1,65 17,58 179,3
1,61 16,57 169,0
1,56 15,60 159,1
1,51 14,67 149,6
1,47 13,78 140,6
1,42 12,94 131,9
1,37 12,13 123,7
1,33 11,36 115,9
1,28 10,64 108,5
1,23 9,95 101,5
1,18 9,31 95,0
0,99 7,16 73,0
0,84 6,00 61,2
PROPANE (G31)
GAS NOZZLE
FLOWRATE PRESSURE
BURNER BURNER
(kg/h) (mbar) (mm H O)
2
2,01 36,20 369,2
1,81 29,08 296,6
1,68 24,62 251,2
1,63 23,23 237,0
1,58 21,89 223,3
1,54 20,60 210,1
1,49 19,35 197,4
1,45 18,16 185,2
1,40 17,00 173,4
1,35 15,90 162,2
1,31 14,85 151,4
1,26 13,84 141,2
1,21 12,88 131,4
1,17 11,97 122,1
0,98 8,83 90,0
0,83 7,00 71,4