DA 820 LPC • DA 820 • ECT 820 • DCT 820 Fans
Technical User Guide
1 Product description ....................................................................................................................................... 7
2 Product survey ............................................................................................................................................... 8
2.1 DA 820 fans ............................................................................................................................... 8
2.1.1 LPC accessories ........................................................................................................................ 11
3 Mounting guide............................................................................................................................................. 13
3.1 Recommended tools................................................................................................................ 13
3.2 Positioning of the fan in the exhaust unit ............................................................................. 14
3.3 Safety distance......................................................................................................................... 16
3.4 Mounting the motor controller................................................................................................ 16
3.4.1 Position of motor controller/frequency converter ....................................................................... 16
3.4.2 Mounting distances for the motor controller/frequency converter .............................................. 17
3.4.3 Positioning of the motor controller ............................................................................................. 17
4 Installation guide.......................................................................................................................................... 18
4.1 Electrical connection............................................................................................................... 18
4.2 cUL ............................................................................................................................................ 18
4.3 Mains supply dimensioning relative to harmonic distortion ............................................... 18
4.4 Cabling in the exhaust unit ..................................................................................................... 19
4.5 Cabling into the motor controller/frequency converter ....................................................... 19
4.6 Connection in the motor controller/frequency converter .................................................... 20
4.6.1 Terminals for power supply........................................................................................................ 21
4.6.2 Terminals for power supply of fan.............................................................................................. 22
4.6.3 Signal terminals ......................................................................................................................... 22
4.6.4 Terminals on relay module......................................................................................................... 23
4.7 LED indication on the motor controller/frequency converter.............................................. 24
4.8 Alarms....................................................................................................................................... 24
4.9 Adjusting the jumper and connecting the shutter................................................................ 25
4.10 Cable plans and circuit diagrams........................................................................................... 26
4.10.1 General information about circuit diagrams ............................................................................... 26
4.10.1.1 Color code.................................................................................................................................. 26
4.10.1.2 Power supply isolator................................................................................................................. 26
4.10.1.3 Letter Code ................................................................................................................................ 26
4.10.2 Circuit diagrams for OFF/AUTO/ON switch ............................................................................... 27
4.10.2.1 Control voltage (LPC with DA 74CO)......................................................................................... 27
4.10.2.2 Control voltage (LPC with DA 74CV) ......................................................................................... 28
4.10.2.3 Control voltage (ON/OFF with DA 74CO) .................................................................................. 29
4.10.3 DA 820 LPC 230 V with DA 74CO ON/OFF .............................................................................. 30
4.10.3.1 Cable plan.................................................................................................................................. 30
4.10.3.2 Terminals in LPC 230 V fan ....................................................................................................... 30
4.10.3.3 Terminals in DA 74CO ............................................................................................................... 31
4.10.3.4 Circuit diagram .......................................................................................................................... 31
4.10.4 DA 820 LPC 230 V with thermal cutout and DA 74CO ON/OFF ............................................... 32
4.10.4.1 Cable plan.................................................................................................................................. 32
4.10.4.2 Terminals in LPC 230 V fan with thermal cutout........................................................................ 32
4.10.4.3 Terminals in DA 74CO ............................................................................................................... 33
4.10.4.4 Circuit diagram .......................................................................................................................... 33
4.10.5 DA 820 LPC 400 V with DA 74CO ON/OFF .............................................................................. 34
4.10.5.1 Cable plan.................................................................................................................................. 34
4.10.5.2 Terminals in LPC 400 V fan ...................................................................................................... 34
4.10.5.3 Terminals in DA 74CO ............................................................................................................... 35
4.10.5.4 Circuit diagram .......................................................................................................................... 35
4.10.6 DA 820 LPC 230 V with DA 74CV stepless ............................................................................... 36
4.10.6.1 Cable plan.................................................................................................................................. 36
4.10.6.2 Terminals in LPC 230 V fan ....................................................................................................... 36
4.10.6.3 Terminals in DA 74CV ............................................................................................................... 37
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