Skov BF 50 Manual

BF 50 Wall Fans
Technical User Guide
604383 • 2021-11-26
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BF 50 Wall Fans
Technical User Guide 3
Product and Documentation Changes
SKOV A/S reserves the right to change this document and the product herein described without further notice.
In case of doubt, please contact SKOV A/S.
The date of change appears from the front and back pages.
Note
• All rights belong to SKOV A/S. No part of this manual may be reproduced in any manner whatsoever without
the expressed written permission of SKOV A/S in each case.
• All reasonable efforts have been made to ensure the accuracy of the information contained in this manual.
Should any mistakes or imprecise information occur in spite of this, SKOV A/S would appreciate being noti-
fied thereof.
• Irrespective of the above, SKOV A/S shall not accept any liability with regard to loss or damage caused or
alleged to be caused by reliance on any information contained herein.
• Copyright by SKOV A/S.

BF 50 Wall Fans
Technical User Guide
1 Product description........................................................................................................................................8
2 Product survey ...............................................................................................................................................9
2.1 BF 50 wall fans ........................................................................................................................ 10
2.1.1 Type key .................................................................................................................................... 10
2.2 Accessories.............................................................................................................................. 13
3 Mounting guide.............................................................................................................................................16
3.1 Recommended tools................................................................................................................ 16
3.2 Placement of BF 50 ................................................................................................................. 18
3.3 Preparing hole in wall.............................................................................................................. 18
3.3.1 Necessary space for BF 50 without LPC motor controller ......................................................... 18
3.3.2 Necessary space for BF 50 with LPC motor controller .............................................................. 18
3.3.3 Necessary space for BF 50 without cone .................................................................................. 19
3.3.4 Necessary space for BF 50 wth air shutter ................................................................................ 19
3.3.5 Measurements for square hole in wall ....................................................................................... 20
3.3.6 Measurements for square hole in wall with cone ....................................................................... 21
3.4 Measure and saw out the holes.............................................................................................. 22
3.5 Drainage holes ......................................................................................................................... 23
3.6 Mounting in wall....................................................................................................................... 24
3.6.1 Mounting with four brackets ....................................................................................................... 25
3.6.2 Mounting of four angle bars ....................................................................................................... 26
3.6.3 Mounting in wooden frame......................................................................................................... 27
3.6.4 Foaming ..................................................................................................................................... 28
3.6.5 Pointing ...................................................................................................................................... 31
3.7 Removing the transport bracket............................................................................................. 32
3.8 Mounting of inside safety net ................................................................................................. 33
3.9 Mounting of air controlled shutter .........................................................................................34
3.9.1 Outside air controlled shutter ..................................................................................................... 35
3.9.2 Inside air controlled shutter........................................................................................................ 36
3.10 Manual opening of motor controlled shutter ........................................................................37
3.11 Mounting of accessories......................................................................................................... 40
3.11.1 Cone .......................................................................................................................................... 40
3.11.2 Outside safety net ...................................................................................................................... 41
3.11.2.1 Without cone .............................................................................................................................. 41
3.11.2.2 With cone ................................................................................................................................... 42
3.11.3 Insulation plate........................................................................................................................... 43
3.11.4 Shading kit ................................................................................................................................. 44
3.11.5 Light trap .................................................................................................................................... 46
4 Installation guide ..........................................................................................................................................47
4.1 Electrical connection............................................................................................................... 47
4.1.1 Disclaimer at retrofitting fans ..................................................................................................... 47
4.1.2 cUL............................................................................................................................................. 47
4.1.3 Mains supply dimensioning regarding harmonic distortion ........................................................ 47
4.1.4 Cabling to connection box and LPC motor controller................................................................. 48
4.1.5 Cabeling and placement of LPC motor controller ...................................................................... 48
4.1.6 Connection in the motor controller ............................................................................................. 49
4.1.6.1 Terminals for power supply........................................................................................................ 49
4.1.6.2 Terminals for power supply of fan.............................................................................................. 50
4.1.6.3 Signal terminals ......................................................................................................................... 50
4.1.6.4 Terminals on relay module......................................................................................................... 50
4.1.7 LED indication on the motor controller....................................................................................... 51
4.1.8 Alarms........................................................................................................................................ 51
4.1.9 Emergency opening for BF 50 actuator – house controller........................................................ 52
4.1.9.1 Fan active at power failure......................................................................................................... 52
4.1.9.2 Fan not active at power failure................................................................................................... 53

BF 50 Wall Fans
4.1.10 Connection in the actuator ......................................................................................................... 54
4.1.10.1 BF 50 LPC actuator time-controlled........................................................................................... 54
4.1.10.2 BF 50 LPC actuator stepless ..................................................................................................... 54
4.1.10.3 BF 50 ON/OFF actuator............................................................................................................. 54
4.1.11 Connection of extra 24 V power supply ..................................................................................... 55
4.1.12 Cable plans and circuit diagrams............................................................................................... 56
4.1.12.1 General information about circuit diagrams ............................................................................... 56
4.1.12.1.1 Color code.................................................................................................................................. 56
4.1.12.1.2 Power supply isolator................................................................................................................. 56
4.1.12.1.3 Letter Code ................................................................................................................................ 56
4.1.13 Circuit diagram for OFF/AUTO/ON switch ................................................................................. 57
4.1.13.1 BF 50 LPC ................................................................................................................................. 57
4.1.13.2 BF 50 ON/OFF........................................................................................................................... 58
4.1.14 Circuit diagram for emergency opening ..................................................................................... 59
4.1.14.1 BF 50 LPC ................................................................................................................................. 59
4.1.14.2 BF 50 ON/OFF........................................................................................................................... 59
4.1.15 BF 50 LPC with reverse (1x230 V) ............................................................................................ 60
4.1.15.1 Cable plan.................................................................................................................................. 60
4.1.15.2 Circuit diagram........................................................................................................................... 60
4.1.16 BF 50 LPC with alarm relay (1x230 V)....................................................................................... 61
4.1.16.1 Cable plan.................................................................................................................................. 61
4.1.16.2 Circuit diagram........................................................................................................................... 61
4.1.17 BF 50 LPC 1x230 V variable ON/OFF (435406) ....................................................................... 62
4.1.17.1 Cable plan.................................................................................................................................. 62
4.1.17.2 Terminals in LPC 1x230 V fan ................................................................................................... 62
4.1.17.3 Circuit diagram........................................................................................................................... 63
4.1.18 BF 50 LPC 1x230 V stepless (435381)...................................................................................... 64
4.1.18.1 Cable plan.................................................................................................................................. 64
4.1.18.2 Terminals in LPC 1x230 V fan ................................................................................................... 64
4.1.18.3 Circuit diagram........................................................................................................................... 65
4.1.19 BF 50 LPC 3x400 V variable ON/OFF (435405/435408)........................................................... 66
4.1.19.1 Cable plan.................................................................................................................................. 66
4.1.19.2 Terminals in LPC 3x400 V fan ................................................................................................... 66
4.1.19.3 Circuit diagram........................................................................................................................... 67
4.1.20 BF 50 LPC 3x400 V with actuator – stepless (435409/435382) ................................................ 68
4.1.20.1 Cable plan.................................................................................................................................. 68
4.1.20.2 Terminals in LPC 3x400 V fan ................................................................................................... 68
4.1.20.3 Circuit diagram........................................................................................................................... 69
4.1.21 BF 50 LPC 3x230 V variable ON/OFF (435407)........................................................................ 70
4.1.21.1 Cable plan.................................................................................................................................. 70
4.1.21.2 Terminals in LPC 3x230 V fan ................................................................................................... 70
4.1.21.3 Circuit diagram........................................................................................................................... 71
4.1.22 BF 50 LPC 3x230 V stepless (435384)...................................................................................... 72
4.1.22.1 Cable plan.................................................................................................................................. 72
4.1.22.2 Terminals in LPC 3x230 V fan ................................................................................................... 72
4.1.22.3 Circuit diagram........................................................................................................................... 73
4.1.23 BF 50 EL ON/OFF 1x230 V (435385/435387)........................................................................... 74
4.1.23.1 Cable plan.................................................................................................................................. 74
4.1.23.2 Terminals in ON/OFF 1 x 230 V fan........................................................................................... 74
4.1.23.3 ON/OFF actuator control box..................................................................................................... 75
4.1.23.4 Circuit diagram........................................................................................................................... 75
4.1.24 BF 50 EL ON/OFF 3x400 V (435388)........................................................................................ 76
4.1.24.1 Cable plan.................................................................................................................................. 76
4.1.24.2 Terminals in ON/OFF 3x400 V fan............................................................................................. 76
4.1.24.3 ON/OFF actuator control box..................................................................................................... 77
4.1.24.4 Circuit diagram........................................................................................................................... 77
4.1.25 BF 50 EL ON/OFF 3x400 V with thermal cutout (435404)......................................................... 78
4.1.25.1 Cable plan.................................................................................................................................. 78
4.1.25.2 Terminals in ON/OFF 3x400 V fan with thermal cutout ............................................................. 78
4.1.25.3 ON/OFF actuator control box..................................................................................................... 79
4.1.25.4 Circuit diagram........................................................................................................................... 79
Technical User Guide

BF 50 Wall Fans
Technical User Guide
4.1.26 BF 50 EL ON/OFF 3x230 V (435391)........................................................................................ 80
4.1.26.1 Cable plan.................................................................................................................................. 80
4.1.26.2 Terminals in ON/OFF 3x230 V fan............................................................................................. 80
4.1.26.3 ON/OFF actuator control box..................................................................................................... 81
4.1.26.4 Circuit diagram........................................................................................................................... 81
4.1.27 BF 50 AIR ON/OFF 1x230 V (435400/435401) ......................................................................... 82
4.1.27.1 Cable plan.................................................................................................................................. 82
4.1.27.2 Terminals in ON/OFF 1 x 230 V fan........................................................................................... 82
4.1.27.3 Circuit diagram........................................................................................................................... 83
4.1.28 BF 50 AIR ON/OFF 3x400 V (435402/435410) ......................................................................... 84
4.1.28.1 Cable plan.................................................................................................................................. 84
4.1.28.2 Terminals in ON/OFF 3x400 V fan............................................................................................. 84
4.1.28.3 Circuit diagram........................................................................................................................... 85
4.1.29 BF 50 AIR ON/OFF 3x400 V with thermal cutout (435441) ....................................................... 86
4.1.29.1 Cable plan.................................................................................................................................. 86
4.1.29.2 Terminals in ON/OFF 3x400 V fan with thermal cutout ............................................................. 86
4.1.29.3 Circuit diagram........................................................................................................................... 87
4.1.30 BF 50 AIR ON/OFF 3x230 V (435403) ...................................................................................... 88
4.1.30.1 Cable plan.................................................................................................................................. 88
4.1.30.2 Terminals in ON/OFF 3x230 V fan............................................................................................. 88
4.1.30.3 Circuit Diagram .......................................................................................................................... 89
5 Maintenance instructions ............................................................................................................................90
5.1 Cleaning.................................................................................................................................... 90
5.1.1 Fan............................................................................................................................................. 90
5.1.2 Motor controller .......................................................................................................................... 90
5.2 Recycling/Disposal .................................................................................................................. 90
6 Troubleshooting instructions......................................................................................................................91
7 Technical data...............................................................................................................................................93
7.1 BF 50 LPC 1x230 V................................................................................................................... 93
7.1.1 ErP/Ecodesign BF 50 LPC 1x230 V .......................................................................................... 95
7.2 BF 50 LPC 3x400 V................................................................................................................... 96
7.2.1 ErP/Ecodesign BF 50 LPC 3x400 V .......................................................................................... 98
7.3 BF 50 LPC 3x230 V................................................................................................................... 99
7.3.1 ErP/Ecodesign BF 50 LPC 3x230 V ........................................................................................ 101
7.4 BF 50 ON/OFF EL 1x230 V..................................................................................................... 102
7.4.1 ErP/Ecodesign BF 50 ON/OFF EL 1x230 V ............................................................................ 103
7.5 BF 50 ON/OFF EL 3x400 V..................................................................................................... 104
7.5.1 ErP/Ecodesign BF 50 ON/OFF EL 3x400 V ............................................................................ 105
7.6 BF 50 ON/OFF EL 3x230 V/3x200 V ...................................................................................... 106
7.6.1 ErP/Ecodesign BF 50 ON/OFF EL 3x230 V ............................................................................ 107
7.7 BF 50 ON/OFF AIR 1x230 V ................................................................................................... 108
7.7.1 ErP/Ecodesign BF 50 ON/OFF AIR 1x230 V........................................................................... 109
7.8 BF 50 ON/OFF AIR 3x400 V ................................................................................................... 110
7.8.1 ErP/Ecodesign BF 50 ON/OFF AIR 3x400 V........................................................................... 112
7.9 BF 50 ON/OFF AIR 3x230 V/3x200 V..................................................................................... 113
7.9.1 ErP/Ecodesign BF 50 ON/OFF AIR 3x230 V........................................................................... 114
7.10 Actuators ................................................................................................................................ 115
7.11 Metal and plastic parts .......................................................................................................... 116
7.12 Light traps .............................................................................................................................. 117
7.13 Number of wall fans in a container ...................................................................................... 118
8 Dimensioned sketch...................................................................................................................................119
8.1 BF 50 ...................................................................................................................................... 119

BF 50 Wall Fans
8.2 LPC motor controller ............................................................................................................. 120
8.3 Light trap ................................................................................................................................ 121
8.4 Outside safety net.................................................................................................................. 121
Technical User Guide

BF 50 Wall Fans
8 Technical User Guide
1 Product description
BF 50 is a direct driven corrosion-free wall fan.
BF 50 is available with air controlled and motor controlled shutters.
The fan is available in several different versions focusing on low power consumption, as well as standard ver-
sions.
BF 50 can be mounted using a cone for optimal air output and reduced power consumption.
BF 50 is specially designed for harsh livestock house environments. This applies to both climatic and electrical
influences.

BF 50 Wall Fans
Technical User Guide 9
2 Product survey

BF 50 Wall Fans
10 Technical User Guide
2.1 BF 50 wall fans
2.1.1 Type key
BF 50 ON/OFF EL HF 400V3 50Hz 1.5hp TH
Fan name
BFBlue fan
Fan size
Impeller diameter in inches” 50
Fan type
AC fan
LPC fan
ON/OFF
LPC
Shutter type
Motor controlled
Air controlled
ON/OFF
Stepless 0-100%
EL
AIR
ON/OFF
VAR
Fan characteristics
High flow
Low energy
HF
LE
Rated voltage
3x400 V AC
3x230 V AC
1x230 V AC
400V3
230V3
230V1
Supply frequency
50 Hz and 60 Hz
50 Hz
60 Hz
50/60Hz
50Hz
60Hz
Horsepower / motor performance
hp
1.5
Thermal cutout
TH
Thermal cutout
435406 BF 50 LPC ON/OFF LE 230V1 50/60Hz
Fan control method - variable ON/OFF.
435381 BF 50 LPC VAR LE 230V1 50/60Hz
Fan control method - stepless.
Safety net outside must be mounted to comply with CE marking, in coun-
tries where this is required.
LPC motor controller
PM motor 1,5 kW.
0,7 m motor cable.
Is supplied assembled.
ErP 2015 approved.
435406 and 435381 should not be used for negative pressure higher than
80 Pa.