8
SECTION 2 - TECHNICAL DATA
2.1 Central Heating
Mynute i20
Mynute i30
Heat input (kW)
20.00
30.00
Maximum heat output (kW) 60/80°C
19.62
29.25
G20
G31
G20
G31
Minimum heat output (kW) 60/80°C
2.76
3.95
3.50
4.87
Maximum heat output (kW) 30/50°C
21.44
31.77
Minimum heat output (kW) 30/50°C
3.00
4.20
3.80
5.29
Minimum working pressure
0.25-0.45 bar
Maximum working pressure
2.5 bar
Minimum fl ow rate
300 l/h
2.3 Gas Pressures
Mynute i20
Mynute i30
Inlet pressure (G20)
20.0 mbar
Heating maximum gas rate (m
3
/hr)
2.12
3.17
Minimum gas rate (m
3
/hr)
0.30
0.38
Injector size (mm)
4.70 fl ap side - 4.20 free side
5.10 fl ap side - 4.70 free side
2.4 Expansion Vessel
Mynute i20
Mynute i30
Capacity
8 litres
Maximum system volume
76 litres
Pre-charge pressure
1 bar
2.5 Dimensions
Mynute i20
Mynute i30
Height (mm)
780
Width (mm)
400
Depth (mm)
338
388
Dry weight (kg)
40
38
2.6 Clearances
Mynute i20
Mynute i30
Sides
12mm
Top
150mm from casing or 25mm above fl ue elbow (whichever is applicable)
Bottom
150mm
Front
600mm
2.7 Connections
Mynute i20
Mynute i30
Flow & return
22mm
Gas
15mm
Safety valve
15mm
Condense
21mm
2.8 Electrical
Mynute i20
Mynute i30
Power consumption (Watts)
102
118
Voltage (V/Hz)
230/50
Internal fuse
3.15A T (for PCB) - 3.15A F (for connections block)
External fuse
3A
2.9 Flue Details (concentric 60-100)
Mynute i20
Mynute i30
Maximum horizontal fl ue length (60/100mm)
7.80m
7.85m
Maximum vertical fl ue length (60/100mm)
8.80m
8.85m
2.9A Flue Details (concentric 80-125)
Mynute i20
Mynute i30
Maximum horizontal fl ue length (80/125mm)
20m
14.85m
Maximum vertical fl ue length (80/125mm)
21m
15.85m
2.9B Flue Details (twin pipes)
Mynute i20
Mynute i30
Maximum horizontal fl ue length (80mm/80mm)
50m/50m
38m/38m
Maximum vertical fl ue length (80mm/80mm)
50m/50m
38m/38m
2.10 Ef
fi
ciency
Mynute i20
Mynute i30
UK (%) 2005
90.30
90.03
2.11 Emissions
Mynute i20
Mynute i30
CO2 @ maximum output (%)
9.0
CO2 @ minimum output (%)
9.0
CO @ maximum output (ppm)
150
CO @ minimum output (ppm)
10
5
Nox rating
class 5
Содержание Mynute i20
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