A.O. Smith BFC - 28 manual

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Table of contents for the manual

  • Page 1

    Innovation has a name. Cyclone BFC Condensing Glass-Lined W ater Heater BFC - 28/30/50/60/80/100 Fu ll y r oo m- se al ed c on de ns in g hi gh -e ffi ci en cy w at er h ea te r (9 5% gr os s) • Flexible fl ue options (maximum length 115 m) allows installation almost anywhere • ThermoControl for easy fl exible control/fault diagnosis • Mee[...]

  • Page 2

    Cyclone BFC T echnical 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[...]

  • Page 3

    BFC 80-100 BFC 28-60 Cyclone BFC Dimensions A 1390 1910 1910 1910 2060 2060 C - - - - 530 530 D 705 705 705 705 850 850 E - - - - 1000 1000 F - - - - 900 900 G 80/125 100/150 100/150 100/150 130/200 130/200 H 1365 1905 1905 1905 2015 2015 Hx 265 265 265 265 310 310 Hy 375 375 375 375 440 440 K 1270 1800 1800 1800 1855 1855 M 170 160 160 160 225 225[...]

  • Page 4

    V ented Unvented 1 Pressure reducing valve 3 T&P valve 4 Stop valve 5 Non-return valve 6 Circulation pump 9 Drain valve 10 Gas cock 11 Isolating valve 12 T emperature gauge 13 Condense drain 14 Hot water outlets 15 Expansion relief valve 16 Expansion vessel 17 Three way valve 18 Water tank 19 Float valve A Cold water B Hot water C Return circul[...]

  • Page 5

    Cyclone BFC Electrical diagram BFC 28-60 Cyclone BFC Electrical diagram BFC 80-100 TERMINAL STRIP CONNECTIONS Earth N Neutral L Phase input of controller L1 Phase output of isolating transformer ( secundary side) L2 Phase input of isolating transformer ( primary side) L3 Phase input of program- controlled pump L4 Phase input of frequency controller[...]

  • Page 6

    www .aosmithinternational.com Data subject to change INT/1108/BFC/04 T erms and conditions apply , please refer to our website Flue systems Cyclone BFC Installation options B23 C13 C33 C53 C43 A C yclon e BFC wate r hea ter s hould be i nstal led a ccord ing category B23, C13, C33, C43 or C53*. Concentric Diameter (mm) 80/125 100/150 100/150 100/15[...]