VOKERA Mynute i20, User Instructions

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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