2. Introduction to VLT HVAC Drive
2.1. Safety
2.1.1. Caution
Caution
The frequency converter DC link capacitors remain charged after power has been disconnec-
ted. To avoid an electrical shock hazard, disconnect the frequency converter from the mains
before carrying out maintenance. Wait at least as follows before doing service on the fre-
quency converter:
Voltage
Min. Waiting Time
4 min.
15 min.
200 - 240 V
1.1 - 3.7 kW
5.5 - 45 kW
380 - 480 V
1.1 - 7.5 kW
11 - 90 kW
525 - 600 V
1.1 - 7.5 kW
Be aware that there may be high voltage on the DC link even when the LEDs are turned off.
2.1.2. Disposal Instruction
Equipment containing electrical components may not be disposed of
together with domestic waste.
It must be separately collected with Electrical and Electronic waste
according to local and currently valid legislation.
2.2. Software Version
VLT HVAC
Design Guide
Software version: 1.xx
This Design Guide can be used for all VLT HVAC frequency converters with software version
1.xx.
The software version number can be seen from parameter 15-43.
VLT
®
HVAC Drive Design Guide
2. Introduction to VLT HVAC Drive
MG.11.B2.02 - VLT
®
is a registered Danfoss trademark
13
2
Содержание VLT series
Страница 78: ...4 How to Order VLT HVAC Drive Design Guide 78 MG 11 B2 02 VLT is a registered Danfoss trademark 4...
Страница 120: ...7 RS 485 Installation and Set up VLT HVAC Drive Design Guide 120 MG 11 B2 02 VLT is a registered Danfoss trademark 7...
Страница 152: ...8 Troubleshooting VLT HVAC Drive Design Guide 152 MG 11 B2 02 VLT is a registered Danfoss trademark 8...