Alpha ARES 440 Tec - Operating Data; General Characteristics

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Technical characteristics and dimensions
2.4 OPERATING DATA / GENERAL CHARACTERISTICS
(*) Room Temperature = 20°C
CO
2
(min/max) See “NOZZLES - PRESSURES” table
Seasonal Energy Eciency according to 2009/125 EEC (<=400Kw) η
s
- see Table ErP
Losses at shutdown at ∆T 30°C - Pstb - see Table ErP
Electrical consumption in standby - Psb - see Table ErP
(**) See "NOZZLES - PRESSURES" table
(***) e IP X5D degree of protection is obtained with the lid lowered.
ARES Tec ErP 440 550 660 770 900
Boiler category II
2H3P
II
2H3P
II
2H3P
II
2H3P
II
2H3P
Modulation ratio 1 : 19,6 1 : 24,5 1 : 29,4 1 : 34,3 1 : 39,2
Nominal heat input on L.V.C. Qn kW 432 540 648 756 864
Minimum heat input on L.C.V. Qmin kW 22 22 22 22 22
Nominal eective power (Tr 60 / Tf 80 °C) Pn kW 424,3 530,4 636,5 742,6 849,0
Minimum eective power (Tr 60 / Tf 80 °C) Pn min kW 20,6 20,6 20,6 20,6 20,6
Nominal eective power (Tr 30 / Tf 50 °C) Pcond kW 445,0 557,8 670,1 783,2 900,3
Minimum eective power (Tr 30 / Tf 50 °C) Pcond min kW 23,9 23,9 23,9 23,9 23,9
Eciency at nominal power (Tr 60 / Tf 80°C) % 98,2 98,2 98,2 98,2 98,2
Eciency at minimum power (Tr 60 / Tf 80°C) % 93,5 93,5 93,5 93,5 93,5
Eciency at nominal power (Tr 30 / Tm 50°C) % 104,0 104,0 104,0 104,0 104,0
Eciency at minimum power (Tr 30 / Tm 50°C) % 109,0 109,0 109,0 109,0 109,0
Eciency at 30% of the load ( Tr 30°C) % 107,3 107,5 108,3 107,8 107,6
Eciency class according to directive 92/42 EEC -- 4 4 4 4 4
Combustion eciency at nominal load % 97,8 97,8 97,8 97,8 97,8
Combustion eciency at a reduced load % 98,5 98,5 98,5 98,5 98,5
Losses from operating burner casing (Qmin) % 5,04 5,04 5,04 5,04 5,04
Losses from operating burner casing (Qn) % 0,1 0,1 0,1 0,1
0,1
Flue temperature at net of Tf-Ta (min)(*) °C 31,0 31,0 31,0 31,0 31,0
Flue temperature at net of Tf-Ta (max)(*) °C 46,7 46,7 46,7 46,7 45,8
Maximum permitted temperature °C 100 100 100 100 100
Maximum operating temperature: °C 85 85 85 85 85
Mass ue ow rate (min) kg/h
37 37 37 37 37
Mass ue ow rate (max) kg/h
740 925 1111 1296 1515
Air excess % 29.5 29.5 29.5 29.5 29.5
Chimney losses with burner in operation (min) % 1,5 1,5 1,5 1,5 1,5
Flue losses with burner in operation (max) % 2,58 2,53 2,51 2,58 2,58
Minimum pressure of heating circuit bar 0,5 0,5 0,5 0,5 0,5
Maximum pressure of heating circuit bar 6,0 6,0 6,0 6,0 6,0
Water content l 67 80 94 108 122
Methane gas consumption G20 (supp.press. 20 mbar) at Qn m
3
/h 45,68 57,10 68,52 79,94 91,36
Methane gas consumption G20 (supp.press. 20 mbar) at Qn m
3
/h 2,33 2,33 2,33 2,33 2,33
Gas consumption G25 (supp.press. 20/25 mbar) at Qn m
3
/h 53,13 66,41 79,69 92,97 106,25
Gas consumption G25 (supp.press. 20/25 mbar) at Qn m
3
/h 2,71 2,71 2,71 2,71 2,71
Propane gas consumption (supp.press. 37/50 mbar) at Qn kg/h 33,53 41,92 50,30 58,68 67,01
Propane gas consumption (supp.press. 37/50 mbar) at Qn kg/h 1,71 1,71 1,71 1,71
1,71
Maximum pressure available at ue base Pa 100 100 100 100 100
Max condensate production kg/h 73,4
91,7 110 128,4 146,7
Emissions
CO at maximum heat input with 0% O2 mg/kWh 58 58 56 61 58
NOx at maximum heat input with 0% O2 mg/kWh
40 40 38 36 37
NOx class 6 6 6 6 6
(***) Sound pressure level dBA 54 54 54 54 56
Electrical data
Frequency/Power supply voltage: V/Hz 230/50 230/50 230/50 230/50 230/50
Supply fuse A (R) 6,3/10 6,3/10 6,3/10 6,3/10 6,3/10
(**) Degree of protection IP X5D X5D X5D X5D X5D
For the adjustment data: NOZZLES - PRESSURES - DIAPHRAGMS - FLOW RATES refer to the paragraph ADAPTATION FOR USE WITH
OTHER GASES.