58 Products that perform | Service that delivers | People that care Technical data Model Unit DR-FC Evo 25 DR-FC Evo 30 DR-FC Evo 45 DR-FC Evo 60 DR-FC Evo 80 DR-FC Evo 95 DR-FC Evo 120 Energy Building regulations thermal efficiency gross % 96 98 96 95 97 95 95 ErP efficiency rating A A A A N/A N/A N/A Input, gross maximum (output - maximum) kW 31.6 (30.5) 32.6 (32.0) 51.2 (49.3) 61.2 (59.3) 85.0 (82.6) 103.4 (98.7) 126.3 (119.4) Heating-up time, ∆T = 44°C min. 23 37 24 20 19 16 13 Heating-up time, ∆T = 50°C min. 26 42 27 23 21 18 15 Heating-up time, ∆T = 55°C min. 29 46 30 25 23 20 16 Water Continuous output with 44°C ∆T (1st hour output) l/h (l) 600 (730) 630 (870) 970 (1300) 1200 (1500) 1700 (1900) 2000 (2200) 2400 (2600) Continuous output with 50°C ∆T (1st hour output) l/h (l) 530 (630) 560 (730) 850 (1100) 1100 (1300) 1500 (1700) 1700 (1900) 2100 (2300) Continuous output with 55°C ∆T (1st hour output) l/h (l) 480 (560) 510 (640) 780 (930) 930 (1100) 1300 (1500) 1600 (1700) 1900 (2000) Storage capacity litres 227 386 386 386 504 504 504 Maximum operating water pressure - open vented (unvented) bar 8 (5.3) 8 (5.3) 8 (5.3) 8 (5.3) 8 (5.3) 8 (5.3) 8 (5.3) Expansion relief valve setting - unvented kit bar 6 6 6 6 6 6 6 Gas Gas inlet pressure - minimum/nominal/maximum mbar 17.5 min / 20.0 nom / 25.0 max Gas flow rate - maximum@ 1013.25 mbar and 15°C m 3 /h 3.1 3.2 5.0 6.0 8.3 10.1 12.3 Flue Approx. flue gas volume @ 15°C, 9.8% C0 2 , N.T.P m 3 /h 37.3 38.5 60.2 72.3 103.1 125.5 152.8 Flue gas temperature - maximum °C 45 50 60 65 50 55 60 NOX emission (0% excess oxygen, dry air free) European Class 5 mg/kWh 24 32 36 37 34 36 36 Pressure at flue outlet (B23) with no pressure at air inlet Pa 52 62 133 173 88 126 180 Misc. Nominal supply voltage 230V 1Ph 50Hz Weight - empty (filled with water) kg 196 (423) 239 (625) 239 (625) 239 (625) 405 (909) 405 (909) 405 (909) Approx. shipping weight kg 215 260 260 260 426 426 426 Noise emissions @2m from flue terminal Max dB (A) <45 <45 <45 <45 <45 <45 <45 Number of users Duration Peak periods On/O times Seasonality Time Litres/hour Outlets Distribution temperature Safety Building usage Supply distance Hot water sizing considerations Hot water sizing is not an exact science, but asking the right questions and understanding priorities are key. This shows you what to consider to accurately size the hot water load. For advice on hot water sizing, attend module 3 of Hamworthy’s hot water best practice CPD - see page 102 for more information. WATER HEATERS & CALORIFIERS
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