
12
Technical characteristics and dimensions
2.4 OPERATING DATA / GENERAL CHARACTERISTICS
(*) Room Temperature = 20°C
CO2 (min/max) See “NOZZLES - PRESSURES” table
Seasonal Energy Eciency according to 2009/125 EEC (<=400Kw) ηs - 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 II2H3P II2H3P II2H3P II2H3P II2H3P
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 eective power (Tr 60 / Tf 80 °C) Pn kW 424,3 530,4 636,5 742,6 849,0
Minimum eective power (Tr 60 / Tf 80 °C) Pn min kW 20,6 20,6 20,6 20,6 20,6
Nominal eective power (Tr 30 / Tf 50 °C) Pcond kW 445,0 557,8 670,1 783,2 900,3
Minimum eective power (Tr 30 / Tf 50 °C) Pcond min
kW 23,9 23,9 23,9 23,9 23,9
Eciency at nominal power (Tr 60 / Tf 80°C) % 98,2 98,2 98,2 98,2 98,2
Eciency at minimum power (Tr 60 / Tf 80°C) % 93,5 93,5 93,5 93,5 93,5
Eciency at nominal power (Tr 30 / Tm 50°C) % 104,0 104,0 104,0 104,0 104,0
Eciency at minimum power (Tr 30 / Tm 50°C) % 109,0 109,0 109,0 109,0 109,0
Eciency at 30% of the load ( Tr 30°C) % 107,3 107,5 108,3 107,8 107,6
Eciency class according to directive 92/42 EEC -- 4 4 4 4 4
Combustion eciency at nominal load % 97,8 97,8 97,8 97,8 97,8
Combustion eciency 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 m3/h 45,68 57,10 68,52 79,94 91,36
Methane gas consumption G20 (supp.press. 20 mbar) at Qn m3/h 2,33 2,33 2,33 2,33 2,33
Gas consumption G25 (supp.press. 20/25 mbar) at Qn m3/h 53,13 66,41 79,69 92,97 106,25
Gas consumption G25 (supp.press. 20/25 mbar) at Qn m3/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 66666
(***) 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.