Skov BF 55 - Table of Contents

BF 55 Wall Fan
Technical User Guide
1 Product description ....................................................................................................................................... 6
2 Product survey ............................................................................................................................................... 7
3 Mounting guide............................................................................................................................................... 8
3.1 Recommended tools.................................................................................................................. 8
3.2 Placement of wall fan .............................................................................................................. 10
3.3 Preparing hole in wall.............................................................................................................. 10
3.3.1 Necessary space for wall fan with LPC motor controller............................................................ 10
3.3.2 Measurements for round hole .................................................................................................... 11
3.4 Measure and saw out the holes.............................................................................................. 12
3.5 Press the front panel together................................................................................................ 13
3.6 Mounting ventilation duct on front panel .............................................................................. 13
3.7 Mounting center pillar ............................................................................................................. 15
3.8 Mounting the center pillar on the ventilation duct................................................................ 15
3.9 Mounting in wall....................................................................................................................... 16
3.10 Mounting the top motor suspension...................................................................................... 17
3.11 Mounting impeller .................................................................................................................... 18
3.12 Mounting the motor in the fan housing ................................................................................. 20
3.13 Cabling from fan motor ........................................................................................................... 21
3.14 Foaming and pointing of the outside..................................................................................... 22
3.15 Pointing of the inside .............................................................................................................. 23
3.16 Mounting the wall cover outside ............................................................................................ 24
3.17 Attaching the warning label .................................................................................................... 25
3.18 Mounting the inside safety net ............................................................................................... 26
4 Installation guide.......................................................................................................................................... 27
4.1 Electrical connection............................................................................................................... 27
4.1.1 Disclaimer at retrofitting fans ..................................................................................................... 27
4.1.2 Mains supply dimensioning regarding harmonic distortion ........................................................ 27
4.1.3 Cabling to connection box and LPC motor controller................................................................. 27
4.1.4 Cabeling and placement of LPC motor controller ...................................................................... 28
4.2 Connection in the LPC motor controller/frequency converter ............................................ 29
4.2.1 Terminals for power supply........................................................................................................ 30
4.2.2 Terminals for supply of the fan motor ........................................................................................ 30
4.2.3 Signal terminals ......................................................................................................................... 31
4.3 LED indication on the motor controller/frequency converter.............................................. 32
4.4 Alarms....................................................................................................................................... 32
4.5 Connection to Kick ON timer .................................................................................................. 33
4.5.1 IN/OUT timing ............................................................................................................................ 33
4.5.2 Mounting of Kick ON timer on DIN rail ....................................................................................... 34
4.6 General information about circuit diagrams ......................................................................... 34
4.6.1 Power supply isolator................................................................................................................. 34
4.6.2 Letter code ................................................................................................................................. 34
4.7 Cable plans and circuit diagrams........................................................................................... 35
4.7.1 Cable plan.................................................................................................................................. 35
4.7.2 Circuit diagram........................................................................................................................... 35
5 Maintenance instructions ............................................................................................................................ 36
5.1 Cleaning.................................................................................................................................... 36
5.1.1 Fan............................................................................................................................................. 36
5.1.2 Motor controller/frequency converter ......................................................................................... 36