A.O. Smith BFM - 120 General and electrical specifications, Dimens Description, BFM100 BFM120 Ion

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Dimensions (all measurements in mm unless otherwise indicated)

Dimens	Description	BFM30	BFM50	BFM80	BFM100	BFM120
ion
A	Total height	2000	2000	2020	2020	2020
B	Height of top of appliance	1800	1800	1820	1820	1820
C	Position on pallet	580	580	580	580	580
D	Appliance diameter	710	710	710	710	710
E	Depth	1000	1000	1000	1000	1000
F	Width	755	755	755	755	755
G	Diameter of chimney flue	80	100	130	130	130
Hy	y-position air supply	-	-	-	235	235
K	Height of gas connection	600	600	600	600	760
L	Diameter of Air supply	125	150	200	130	130
M	Height of cold water supply	600	600	590	590	590
N	Height of hot water outlet	1640	1640	1655	1655	1655
P	Height of cleaning opening	770	770	760	760	760
R	Height of drain valve connection	550	550	540	540	540
S	Height of T&P valve connection	1600	1600	1600	1600	1600
1	Cold water supply connection (external)	R11/2	R11/2	R11/2	R11/2	R11/2
2	Hot water outlet connection (internal)	Rp11/2	Rp11/2	Rp11/2	Rp11/2	Rp11/2
3	Gas control connection (internal)	Rp3/4	Rp3/4	Rp3/4	Rp3/4	Rp1
4	Drain valve connection (internal)	Rp11/2	Rp11/2	Rp11/2	Rp11/2	Rp11/2
5	T&P valve connection (internal)	1 - 11.5	1 - 11.5	Rp11/2	Rp11/2	Rp11/2
		NPT	NPT
6	Cleaning/inspection opening	Ø 100	Ø 100	Ø 100	Ø 100	Ø 100

3.4.2General and electrical specifications

General and electrical specifications

DESCRIPTION	Unit	BFM	BFM	BFM	BFM	BFM
		30	50	80	100	120
Volume	litres	309	298	253	253	253
Maximum operating pressure	bar	8	8	8	8	8
Empty weight	kg	230	245	295	320	320
Heating-up time ΔT = 45oC	minutes	37	22	12	9	8
Diameter of air restrictor	mm	36	42	54	48	64
Number of anodes	-	2	2	4	4	4
Number of bar burners/orifices	-	3	5	7	7	7
Number of flue tubes/flue baffles	-	5	7	16	16	16
Electrical power consumption	W	100	100	100	275	300
Supply voltage	volts	230	230	230	230	230
(-15% +10% VAC)
Mains frequency	Hz (± 1Hz)	50	50	50	50	50
IP class	-	20	20	20	20	20

Instruction manual BFM 21