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VLT
®
6000 HVAC Series
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Contents
Introduction to HVAC
...................................................................................... 4
Software version ....................................................................................................... 4
Safety regulations ..................................................................................................... 5
Warning against unintended start ............................................................................. 5
Introduction to Operating Instructions ....................................................................... 7
Available literature ..................................................................................................... 8
VLT 6000 Advantages in a HVAC installation ............................................................ 8
Control principle ....................................................................................................... 9
AEO - Automatic Energy Optimization .................................................................... 10
Example of application - Speed control of fan in ventilation system ......................... 11
Example of application - Constant pressure regulation in water supply system ....... 12
Fire mode ............................................................................................................... 13
CE labelling ............................................................................................................ 15
PC software and serial communication ................................................................... 15
Unpacking and ordering a VLT frequency converter ................................................ 16
Type code ordering number string
......................................................................... 16
Ordering form ......................................................................................................... 20
Installation
......................................................................................................... 21
Mains supply (L1, L2, L3) ....................................................................................... 21
Max. imbalance of supply voltage .......................................................................... 21
Technical data, mains supply 3 x 200-240V ............................................................ 26
Technical data, mains supply 3 x 380-460V ............................................................ 28
Technical data, mains supply 3 x 525-600 V ........................................................... 33
Fuses ..................................................................................................................... 38
Mechanical dimensions .......................................................................................... 41
Mechanical installation ............................................................................................ 45
General information about electrical installation ...................................................... 48
High voltage warning .............................................................................................. 48
Earthing .................................................................................................................. 48
Cables .................................................................................................................... 48
Screened/armoured cables .................................................................................... 48
Extra protection with regard to indirect contact ....................................................... 48
RFI switch .............................................................................................................. 50
High voltage test .................................................................................................... 53
Heat emission from VLT 6000 HVAC ...................................................................... 53
Ventilation of integrated VLT 6000 HVAC ................................................................ 53
EMC correct electrical installation ........................................................................... 53
Use of EMC-correct cables .................................................................................... 55
Electrical installation - earthing of control cables ..................................................... 56
Electrical installation, enclosures ............................................................................. 57
Tightening-up torque and screw sizes .................................................................... 64
Mains connection ................................................................................................... 64
Motor connection ................................................................................................... 64
Direction of motor rotation ...................................................................................... 65
Motor cables .......................................................................................................... 65
Motor thermal protection ........................................................................................ 66
Earth connection .................................................................................................... 66
Installation of 24 Volt external DC supply ................................................................ 66
DC bus connection ................................................................................................ 66
High-voltage relay ................................................................................................... 66
MG.61.A5.02 - VLT is a registered Danfoss trademark
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