is

Technical specifications

Table 3.4 Dimensions

Dime

Description

BFC 28

BFC 30

 

BFC 50

BFC 60

nsion

 

 

 

 

 

 

 

 

 

 

 

 

 

A

Total height (mm)

1370

1900

 

1900

1900

 

 

 

 

 

 

 

D

Diameter of the appliance (mm)

705

705

 

705

705

 

 

 

 

 

 

 

G

Diameter of air supply/flue gas discharge (mm)

80/125

100/150

 

100/150

100/150

 

 

 

 

 

 

 

K

Height of the gas connection (mm)

1270

1810

 

1810

1810

 

 

 

 

 

 

 

M

Height of cold water supply connection (mm)

160

160

 

160

160

 

 

 

 

 

 

 

N

Height of hot water outlet connection (mm)

1405

1920

 

1920

1920

 

 

 

 

 

 

 

P

Height of cleaning and inspection opening (mm)

200

200

 

200

200

 

 

 

 

 

 

 

R

Height of drain valve (mm)

75

75

 

75

75

 

 

 

 

 

 

 

S

Height of T&P valve (mm)

890

1415

 

1415

1415

 

 

 

 

 

 

 

W

Height of condensation drainage (mm)

110

110

 

110

110

 

 

 

 

 

 

 

X

Height of air supply connection (mm)

1205

1730

 

1730

1730

 

 

 

 

 

 

1

Cold water supply connection

 

R 1½ (external)

 

 

 

 

 

 

2

Hot water outlet connection

 

R 1½ (external)

 

 

 

 

 

 

3

Gas control connection

 

Rp ¾ (internal)

 

 

 

 

 

 

 

4

Drain valve connection (external)

 

 

¾”

 

 

 

 

 

 

 

 

5

T&P valve connection (internal)

¾” NPT

 

 

1 - 11.5 NPT

 

 

 

 

 

 

 

 

6

Dimensions cleaning and inspection opening

 

 

95 x 70

 

 

(mm)

 

 

 

 

 

 

 

 

 

 

 

 

7

Condensation drainage connection (internal)

Ø 40 mm

Rp 1

 

Rp 1

Rp 1

 

 

 

 

 

 

 

Table 3.5 General and electrical data

DESCRIPTION

Unit

BFC 28

BFC 30

BFC 50

BFC 60

 

 

 

 

 

 

Capacity

litres

217

368

368

368

 

 

 

 

 

 

Maximum working pressure

bar

8

8

8

8

 

 

 

 

 

 

Empty weight

kg

175

225

225

225

 

 

 

 

 

 

Heating time T = 45oC

minutes

23

35

24

20

Number of anodes

-

4

4

4

4

 

 

 

 

 

 

Number of bar burners/orifices

-

n.a.

n.a.

n.a.

n.a.

 

 

 

 

 

 

Number of flue tubes/flue baffles

-

1/?

1/?

1/?

1/?

 

 

 

 

 

 

Fan rotational speed at ignition

r. p.m.

4500

4500

4500

4500

 

 

 

 

 

 

Working speed of fan

rpm

4980

5400

6000

6660

 

 

 

 

 

 

Diameter of air restrictor

mm

23.0

23.0

28.0

29.0

 

 

 

 

 

 

Release R.1.3 UK

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A.O. Smith 28 30 50 60 service manual Dimensions, Technical specifications, Dime Description BFC Nsion, Unit BFC