A.O. Smith 120 through 250 Series, Installation, User And Service Manual

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Instruction
m
anu
al
BFC
3.4.2 General and electrical specifications
DESCRIPTION Unit BFC 28 BFC 30 BFC 50 BFC 60 BFC 80 BFC 100 BFC 120
Contents litres 217 368 368 368 480 480 480
Empty weight kg 177 214 214 214 480 480 480
Maximum floor load kg 394 582 582 582 960 960 960
Maximum operating pressure (vented) kPa (bar) 800 (8) 800 (8) 800 (8) 800 (8) 800 (8) 800 (8) 800 (8)
Maximum operating pressure (unvented) kPa (bar) 550 (5,5) 550 (5,5) 550 (5,5) 550 (5,5) 550 (5,5) 550 (5,5) 550 (5,5)
Control thermostat adjustment range
o
C 40…80 40…80 40…80 40…80 40…80 40…80 40…80
Control thermostat and default value
o
C 65 65 65 65 65 65 65
Adjustment range for hysteresis upwards
o
C 0…5 0…5 0…5 0…5 0…5 0…5 0…5
Default value for hysteresis upwards
o
C 5 5 5 5 5 5 5
Adjustment range for hysteresis downwards
o
C 0…10 0…10 0…10 0…10 0…10 0…10 0…10
Default value for hysteresis downwards
o
C 5 5 5 5 5 5 5
Number of (electrical) anodes - 1 2 2 2 2 2 2
Observed pressure differential across the pressure
switch
Pa ≥ 165 ≥ 165 ≥ 165 ≥ 165 ≥ 260 ≥ 260 ≥ 260
Pressure differential to open the pressure switch Pa < 115 < 115 < 115 < 115 < 210 < 210 < 210
Heating time Δ T = 45°C at least 22 35 23 19 18 15 12
DESCRIPTION Unit BFC 28 BFC 30 BFC 50 BFC 60 BFC 80 BFC 100 BFC 120
Electrical power consumption W 45 45 75 115 95 145 240
Supply voltage (-15% +10% VAC) volts 230 230 230 230 230 230 230
Mains frequency (± 1Hz) Hz 50 50 50 50 50 50 50
IP class - IP 20 IP 20 IP 20 IP 20 IP 20 IP 20 IP 20