Post on 26-Jan-2022
www.ostberg.com
PRODUCT: BFS 400x400 B1 ARTICLE NR: 7460001 DATE: 29 October 2019GENERATED BY ÖSTBERG PRODUCT SELECTOR @ WWW.OSTBERG.COM
1
BFS 400X400 B1
Boxfan BFS
Duct fan with square connections.●
High capacity and very good efficiency.●
Operational in both 50 and 60 Hz.●
Impeller with backward curved blades.●
The external rotor motor has maintenance-free sealed ball-bearings.●
Integrated motor protection.●
Junction box has enclosure class IP 54.●
For speed control a transformer or electric speed controller can be connected.●
Fan housing is manufactured from galvanized sheet steel.●
The fan is intended to be installed in a duct system.●
A duct connected fan can be installed outside or in damp environments.●
Easy installation in any position.●
To comply with the ErP 2018 regulation, a local demand controller must be used.●
www.ostberg.com
PRODUCT: BFS 400x400 B1 ARTICLE NR: 7460001 DATE: 29 October 2019GENERATED BY ÖSTBERG PRODUCT SELECTOR @ WWW.OSTBERG.COM
2
DIAGRAMS
Work Point
Air Flow(m³/s)0.27
External staticpressure (Pa)
147
Power (W)138
Speed (r.p.m.)1258
Current (A)0.611
Efficiency (%)28.7
SFP (kW/m3/s)0.511
Voltage (V)230
www.ostberg.com
PRODUCT: BFS 400x400 B1 ARTICLE NR: 7460001 DATE: 29 October 2019GENERATED BY ÖSTBERG PRODUCT SELECTOR @ WWW.OSTBERG.COM
3
SOUND DATA
Tot 63 125 250 500 1k 2k 4k 8k
Inlet Lw dB(A) 66 48 61 59 58 53 55 54 52
Outlet Lw dB(A) 67 49 63 58 54 56 59 55 52
Surrounding Lw dB(A) 53 30 44 49 45 48 34 31 29
Surrounding Lp dB (A) 3m 46
Work Point
Air Flow(m³/s)0.27
External staticpressure (Pa)
147
Power (W)138
Speed (r.p.m.)1258
Current (A)0.611
Efficiency (%)28.7
SFP (kW/m3/s)0.511
Voltage (V)230
www.ostberg.com
PRODUCT: BFS 400x400 B1 ARTICLE NR: 7460001 DATE: 29 October 2019GENERATED BY ÖSTBERG PRODUCT SELECTOR @ WWW.OSTBERG.COM
4
TECHNICAL DATA
BFS 400x400 B17460001
Parameter Value Unit
Voltage 230 V
Phase 1 ~
Frequency 50 Hz
Power 138 W
Current 0.61 A
Speed 1250 r.p.m.
Max. temperature of transported air 70 °C
Max. temperature of transported airwhen speed controlled
70 °C
Sound pressure level at 3 m 46 dB(A)
Weight 11.5 kg
Enclosure class 44 IP
Insulation class, motor F
Capacitor 5 µF
Duct connection 400x400 mm mm
Max. flow 0.476 m³/s
Max. pressure 250 Pa
Voltage range 220-240 V
www.ostberg.com
PRODUCT: BFS 400x400 B1 ARTICLE NR: 7460001 DATE: 29 October 2019GENERATED BY ÖSTBERG PRODUCT SELECTOR @ WWW.OSTBERG.COM
5
ECODESIGN
Parameter Value Unit
(a) Manufacturer Östberg -
(b) Model code BFS 400x400 B1 -
(c) SEC value -26.97 kWh/m2
SEC class B -
(d) Declared type RVU / UVU -
(e) Type of driveMulti-speed drive(accessory)
-
(f) Type of heat recovery N/A -
(g) Thermal efficiency N/A %
(h) Max. flow rate (@100Pa) 1243 m3/h
(i) Power at max. flow rate 136 W
(j) Sound power level 53 dB LwA
(k) Reference flow rate 0.309 m3/s
(l) Reference pressure difference 50 Pa
(m) SPI 0.08 W/(m3/h)
(n) Type of controlLocal demand control(accessory)
-
(o) External (and internal) leakagerate
0.08 (N/A) %
(p) Mixing rate N/A -
(q) Visual filter warning N/A -
(r) Instruction supply/exhaust grilles See manual -
(s) Disassembly instructions www.ostberg.com -
(t) Airflow sensitivity N/A -
(u) Air tightness N/A m/s
(v) AEC 98 kWh
(w) AHS average 3018 kWh
AHS warmer 1365 kWh
AHS colder 5904 kWh
www.ostberg.com
PRODUCT: BFS 400x400 B1 ARTICLE NR: 7460001 DATE: 29 October 2019GENERATED BY ÖSTBERG PRODUCT SELECTOR @ WWW.OSTBERG.COM
6
WIRING DIAGRAM
www.ostberg.com
PRODUCT: BFS 400x400 B1 ARTICLE NR: 7460001 DATE: 29 October 2019GENERATED BY ÖSTBERG PRODUCT SELECTOR @ WWW.OSTBERG.COM
7
DIMENSIONS
www.ostberg.com
PRODUCT: BFS 400x400 B1 ARTICLE NR: 7460001 DATE: 29 October 2019GENERATED BY ÖSTBERG PRODUCT SELECTOR @ WWW.OSTBERG.COM
8
ACCESSORIES
Mechanical accessories
Mounting bracket KitUniversal
Electrical accessories
Transformercontroller VRTE C
Transformercontroller VRDE 1.5
Speed controller VRS1.0
Local DemandController Kit