A.O. Smith BFC - 50 - Manual (Page 2)

Cyclone BFC
Technical specifications
Gas data natural gas 2H (G20)
Input* kW 32.1 34.5 52.6 63.2 86.6 105.5
Output kW 30.5 32.7 48.8 59.6 81.9 99.8
Inlet pressure mbar 20 20 20 20 20 20
Burner pressure mbar 8.5 8.5 8.5 11.5 7.0 6.0
Gas consumption** m 3 /h 3.1 3.3 5.0 6.0 8.3 10.1
Diameter main orifice mm 4.90 5.10 7.00 7.10 6.30 6.80
Max. flue gas temperature °C 70 50 75 75 50 50
Flue gas discharge kg/h 56.8 61.1 85.4 101.4 141.9 164.3
Gas data butane 3+ (G30)
Input* kW 30.7 32.8 50.6 59.4 - -
Output kW 29.8 31.8 48.1 57.4 - -
Inlet pressure mbar 30 30 30 30 - -
Burner pressure mbar 30 30 30 30 - -
Gas consumption** kg/h 2.2 2.4 3.7 4.3 - -
Diameter main orifice mm 2.50 2.60 3.40 3.80 - -
Max. flue gas temperature °C 70 50 75 75 - -
Flue gas discharge kg/h 60.0 62.2 86.0 101.9 - -
Gas data propane 3+ (G31)
Input* kW 29.0 30.9 50.3 59.1 84.8 *** 103.3 ***
Output kW 28.1 29.8 47.7 56.9 81.9 *** 99.8 ***
Inlet pressure mbar 37 37 37 37 37 *** 37 ***
Burner pressure mbar 37 37 37 37 13.0 *** 13.0 ***
Gas consumption** kg/h 2.1 2.2 3.6 4.2 6.1 *** 7.4 ***
Diameter main orifice mm 2.50 2.60 3.40 3.80 4.70 *** 5.10 ***
Max. flue gas temperature °C 70 50 75 75 50 *** 50 ***
Flue gas discharge kg/h 54.3 56.5 85.1 101.0 142.1 *** 176.4 ***
Draw-off capacity
Storage capacity l 217 368 368 368 460 460
Max. temperature setting °C 80 80 80 80 80 80
T
cold
= 10ºC / T
set
= 70ºC
30 min. ∆T=44°C l 505 689 831 925 1222 1379
60 min. ∆T=44°C l 802 1008 1308 1507 2023 2354
90 min. ∆T=44°C l 1100 1327 1785 2089 2823 3329
120 min. ∆T=44°C l 1398 1646 2262 2671 3623 4304
Continuous ∆T=44°C l/h 595 638 954 1164 1601 1950
Heating-up time ∆T=44°C min. 22 35 23 19 17 14
30 min. ∆T=50°C l 444 606 731 814 1076 1214
60 min. ∆T=50°C l 707 887 1151 1326 1780 2072
90 min. ∆T=50°C l 968 1168 1571 1839 2484 2929
120 min. ∆T=50°C l 1230 1449 1991 2351 3189 3787
Continuous ∆T=50°C l/h 524 562 840 1024 1409 1716
Heating-up time ∆T=50°C min. 25 39 26 22 20 16
30 min. ∆T=55°C l 404 551 665 740 978 1109
60 min. ∆T=55°C l 642 806 1046 1206 1618 1883
90 min. ∆T=55°C l 880 1062 1418 1671 2258 2663
120 min. ∆T=55°C l 1118 1317 1810 2137 2899 3443
Continuous ∆T=55°C l/h 476 511 763 931 1281 1560
Heating-up time ∆T=55°C min. 27 43 29 24 22 18
Electrical data
Power consumption W 275 275 275 275 625 710
Power supply VAC/Hz 230 (-15/+10%). 50 (+/-1Hz)
General
Fan rotational speed at ignition r.p.m. 4500 4500 4500 4500 2790 3120
Working speed of fan r.p.m. 5000 5400 6000 6660 5100 5700
Pressure differential Pa 635/605 855/825 885/855 1085/1055 1005/975 1145/1115
Diameter of air restrictor mm 23 23 28 29 36 38
Anodes - 4 4 4 4 2 2
Maximum working pressure bar 8
Shipping data
Weight empty kg 177 214 214 214 480 480
Maximum weight kg 394 582 582 582 940 940
Weight incl. packaging kg 197 234 234 234 491 491
Width packaging mm 790 790 790 790 920 920
Height packaging mm 1550 2080 2080 2080 2060 2060
Depth packaging mm 950 950 950 950 1020 1020
BFC 28 BFC 30 BFC 50 BFC 60 BFC 80 BFC 100
*
Gas data on gross value
**
Gas consumption at 15°C and 1013.25 mbar
*** 3P (G31)