A.O. Smith 120 through 250 Series - Manual (Page 21)

Instruction manual BFC 21
is
Dimensions (all sizes in mm, unless otherwise stated)
3.4.2 General and electrical specifications
General and electrical specifications
Dimen
sion Description BFC
28 BFC
30 BFC
50 BFC
60
A Total height 1390 1910 1910 1910
D Diameter of the appliance 705 705 705 705
G Flue gas outlet diameter 80/125 100/150 100/150 100/150
H Height of flue/air supply 1365 1905 1905 1905
Hx x position of flue 265 265 265 265
Hy y-position of flue 375 375 375 375
K Height of gas connection 1270 1800 1800 1800
M Height of cold water supply 170 160 160 160
N Height of hot water outlet 1405 1940 1940 1940
Ny y-position of hot water outlet 205 205 205 205
P Height of cleaning opening 170 175 175 175
R Height of drain valve connection 85 75 75 75
S Height of T&P valve connection 900 1410 1410 1410
W Height of condensation drain 125 145 145 145
1 Cold water supply connection (ext.) R1 1 /
2
R1 1 /
2
R1 1 /
2
R1 1 /
2
2 Hot water outlet (ext.) R1 1 /
2
R1 1 /
2
R1 1 /
2
R1 1 /
2
3 Gas valve connection (int.) Rp 3 /
4
Rp 3 /
4
Rp 3 /
4
Rp 3 /
4
4 Drain valve connection (int.) 3 /
4
" 3 /
4
" 3 /
4
" 3 /
4
"
5 T&P valve connection (int.) 1-11.5 NPT 1-11.5 NPT 1-11.5 NPT 1-11.5 NPT
6 Inspection/cleaning opening 95x70 95x70 95x70 95x70
7 Condensation drainage connection (int.) Ø40 Rp1 Rp1 Rp1
DESCRIPTION Unit BFC 28 BFC 30 BFC 50 BFC 60
Volume litres 217 368 368 368
Empty weight kg 177 214 214 214
Maximum operating pressure bar 8 8 8 8
Number of anodes - 4 4 4 4
Fan rotation speed at ignition rpm 4500 4500 4500 4500
Operational speed of fan rpm 5000 5400 6000 6660
Diameter of air restrictor mm 23.0 23.0 28.0 29.0
Heating time ∆T = 45°C minutes 22 35 24 19
Electrical power consumption W 275 275 275 275
Supply voltage
(-15% +10% VAC)
volts 230 230 230 230
Mains frequency Hz (± 1Hz) 50 50 50 50
IP class - 30 30 30 30