4 Installation
4.1 Installation remarks
General
• The compressor is intended for indoor use only.
• Working with machinery controlled by a frequency converter requires special
safety precautions, which depend on the type of network (TN, TT or IT). Consult
Atlas Copco.
• When good EMC practices for installation are followed, the compressor qualifies
for installation in EMC category C3, according to EN61800-3, for use in a 2
nd
environment (a 2
nd
environment includes all establishments other than those
directly connected to a low voltage power supply network which supplies buildings
used for domestic purposes).
• Cooling air for starter cabinet:
Contamination levels (ambient) according to IEC 60721-3-3
• Chemical gases: Class 3C2
• Solid particles: Class 3S2
• No conductive dust allowed
• No condensation allowed
• Maximum allowed relative humidity is 60 % in the presence of corrosive
gases
The compressor is not intended to be used on a low-voltage public network which supplies
domestic premises. Radio frequency interference can be expected if used on such a
network.
Instruction book
APF221384 43
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