A.O. Smith BFM 80 ユーザーズマニュアル

10

Nominal gas inlet pressure

mbar

20

20

20

Burner pressure

mbar

12.5

12.5

12.5

Input

kW

29

47

75

Output to water

kW

27

42

68

Gas consumption*

m3/h

3.0

4.7

7.9

Diameter main injector

m m

2.60

2.50

2.70

Diameter  injector  ignition  burner

m m

0.56 / 0.41

0.56 / 0.41

0.56 / 0.41

Heating time 

∆

T=45°C

min

35

25

12

Nominal gas inlet pressure

mbar

30

37

30

37

30

37

Input

kW

29

28

46

44

75

71

Gas consumption

kg/h

2.3

2.1

3.6

3.3

5.8

5.3

Diameter main injector

m m

1.45

1.40

1.50

Diameter injector ignition burner

m m

0.25

0.25

0.25

Storage capacity

litre

309

298

253

Number of bar burners

-

3

5

7

Number of anodes

-

2

2

4

Number of flue tubes

-

5

7

16

Water connections

-

Rp11/2

Rp11/2

Rp11/2

Gas connection

-

Rp3/4

Rp3/4

Rp3/4

Drain  connection

-

3/4" - 14 NPT

3/4" - 14 NPT

3/4" - 14 NPT

Anode

-

3/4" - 14 NPT

3/4" - 14 NPT

3/4" - 14 NPT

Connection  T&P-plug**

-

1” - 14 NPT

1” - 14 NPT

1” - 14 NPT

Maximum working heat

bar

8

8

8

Empty weight

kg

270

290

350

Heater category:II  

2H3+

* Gas usage at 1013,25 mbar and 15 °C.
** For a leak-tight connection European coupling pieces with pipe screw-thread according to ISO 228/1 or ISO 7/1 can be

used on the NPT-connection nipples.