28
MYNUTE X
10 TECHNICAL DATA
DESCRIPTION UM
MYNUTE X C
25 30 35 40
G20 G20 G31 G20 G31 G20 G31
Heating
Rated heat input
kW
20,00 25,00 30,00 30,00
kcal/h
17.200 21.500 25.800 25.800
Nominal heat output (80°/60°)
kW
19,48 24,33 29,22 29,22
kcal/h
16.753 20.920 25.129 25.129
Nominal heat output (50°/30°)
kW
21,24 26,50 32,07 32,07
kcal/h
18.266 22.790 27.580 27.580
Reduced heat input
kW
3,60 5,00 4,90 4,90 7,00 4,90 7,00
kcal/h
3.096 4.300 4.214 4.214 6.020 4.214 6.020
Reduced heat output (80°/60°)
kW
3,50 4,86 4,77 4,77 6,83 4,77 6,83
kcal/h
3.006 4.180 4.104 4.104 5.870 4.104 5.870
Reduced heat output (50°/30°)
kW
3,81 5,30 5,13 5,13 7,34 5,13 7,34
kcal/h
3.276 4.558 4.412 4.412 6.315 4.412 6.315
Nominal Range Rated heat output (Qn)
kW
20,00 25,00 30,00 30,00
kcal/h
17.200 21.500 25.800 25.800
Minimum Range Rated heat output (Qm) kW
3,60 5,00 4,90 4,90 7,00 4,90 7,00
kcal/h
3.096 4.300 4.214 4.214 6.020 4.214 6.020
DHW Rated heat input
kW 25,00
30,00 34,60 40,00
kcal/h 21.500
25.800 29.756 34.400
Nominal heat output (*)
kW 26,25
31,50 36,33 42,00
kcal/h 22.575
27.090 31.244 36.120
Reduced heat input
kW
3,60 5,00 4,90 4,90 7,00 4,90 7,00
kcal/h
3.096 4.300 4.214 4.214 6.020 4.214 6.020
Reduced heat output (*)
kW
3,28 5,00 4,54 4,54 7,00 4,54 7,00
kcal/h
2.822 4.300 3.905 3.905 6.020 3.905 6.020
Useful efciency Pn max - Pn min (80°/60°) % 97,4 - 97,1 97,3 - 97,4 97,4 - 97,4 97,4 - 97,4
Combustion efciency % 97,8 97,6 97,7 97,7
Useful efciency Pn max - Pn min (50°/30°) % 106,2 - 105,8 106,0-104,7 106,9 - 104,7 106,9 - 104,7
Useful efciency Pn max 30% (30° return) % 108,4 108,1 108,2 108,2
Efciency at average P Range Rated (80°/60°) % 97,3 97,0 97,5 97,5
Efciency at average P Range Rated 30% (30° return)
% 108,5 108,4 108,3 108,3
Overall electric output (maximum heating output) W 75 72 84 84
Overall electric output (maximum DHW output) W 85 83 99 121
Circulator electric power (1.000 l/h) (DHW - CH) W 39 39 39 39
Category ● Country of destination II2H3P ● (+) II2H3P ● (+) II2H3P ● (+) II2H3P ● (+)
Voltage supply V-Hz 230-50 230-50 230-50 230-50
Protection level IP X5D X5D X5D X5D
Stop loss W 34 32 32 32
Losses at the ue with burner off - burner on % 0,10 - 2,23 0,08 - 2,39 0,06 - 2,33 0,06 - 2,33
Heating operation
Pressure bar 3 3 3 3
Minimum pressure for standard operation bar 0,25-0,45 0,25-0,45 0,25-0,45 0,25-0,45
Maximum temperature °C 90 90 90 90
Selection eld of heating water temperature °C 20/45 ÷ 40/80 20/45 ÷ 40/80 20/45 ÷ 40/80 20/45 ÷ 40/80
Pump: maximum head available mbar 286 286 286 286
for system capacity l/h 1.000 1.000 1.000 1.000
Membrane expansion tank l 9 9 9 9
Expansion tank pre-loading (heating) bar 1 1 1 1
DHW operation
Maximum pressure bar 8 8 8 8
Minimum pressure bar 0,15 0,15 0,15 0,15
Quantity of hot water with Δt 25° C l/min 15,1 18,1 20,8 24,1
with Δt 30° C l/min 12,5 15,1 17,4 20,1
with Δt 35° C l/min 10,8 12,9 14,9 17,2
DHW minimum capacity l/min 2 2 2 2
Selection eld of domestic H2O temperature °C 37-60 37-60 37-60 37-60
Flow regulator l/min 10 12 14 16
Gas pressure G20 G31 G20 G31 G20 G31 G20 G31
Nominal methane gas pressure (G20) mbar 20 - 20 - 20 - 20 -
Nominal liquid gas LPG pressure (G31) mbar - 37 - 37 - 37 - 37