2 Safety Instructions and General Warnings
2.1 Safety and Warnings
2.1.1 High Voltage Warning
WARNING
The voltage of the frequency converter is dangerous
whenever the converter is connected to mains. Incorrect
fitting of the motor or frequency converter may cause
damage to the equipment, serious injury or death.
Consequently, it is essential to comply with the
instructions in this manual as well as local and national
rules and safety regulations.
WARNING
Installation in high altitudes:
By altitudes above 2 km, please contact Danfoss regarding
PELV.
2.1.2 Caution
CAUTION
The CDS302 and CDS303 Compressor Drive™ DC link
capacitors remain charged after power has been discon-
nected. 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 frequency converter:
CDS302: 11-22 kW 15 minutes
CDS303: High voltage can be present on the DC link even
when the LEDs are turned off.
2.1.3 Disposal
Illustration 2.1
Drive
Equipment containing electrical components may not be
disposed together with domestic waste. It must be
separate collected with Electrical and Electronic Waste
according to local and currently valid legislation.
Compressors
Do not to throw away a used compressor, but dispose of it
and its oil at a specialised recycling company site.
2.1.4 Software Version
CDS302 Operating Instructions Software version: 2.3x
These Operating Instructions can be used for all CDS302
Compressor Drives
®
with software version 2.3x. The software
version number can be read in
15-43 Software Version
.
Table 2.1
CDS303 Operating Instructions Software version: 1.0x
These Operating Instructions can be used for all CDS303
Compressor Drives
®
with software version 1.0x. The software
version number can be read in
15-43 Software Version
.
Table 2.2
2.1.5 Safety Instructions
•
Make sure that the frequency converter is
properly connected to earth
•
Do not remove mains plugs or motor plugs while
the frequency converter is connected to mains
•
Protect users against supply voltage
•
Protect the motor against overloading according
to national and local regulations
•
Motor overload protection is included in the
default settings
•
The earth leakage current exceeds 3.5 mA
•
The [Off] key is not a safety switch. It does not
disconnect the frequency converter from mains
Safety Instructions and Gen...
Operating Instructions VLT
®
CDS302 and CDS303
6
MG34M302 - VLT
®
is a registered Danfoss trademark/Commercial Compressor
2
2
