22 Preparing for installationACH550-01 User's ManualSuitable environment and enclosureConfirm that the site meets the environmental requirements. Toprevent damage prior to installation, store and transport thedrive according to the environmental requirements specified forstorage and transportation. See section Ambient conditions onpage 440.Confirm that the enclosure (degree of protection) is appropriate,based on the site containment level:• IP21 type enclosure. The site must be free from airbornedust, corrosive gases or liquids, and conductivecontaminants such as dripping water, condensation, carbondust, and metallic particles.• IP54 type enclosure. This enclosure provides protection fromairborne dust and light sprays or splashing water from alldirections.Compared to the IP21 enclosure, the IP54 enclosure has:• the same internal plastic shell as the IP21 enclosure• a different outer plastic cover• an additional internal fan to improve cooling• larger dimensions• the same rating (does not require a derating).If, for some reason, an IP21 drive needs to be installed withoutthe conduit box or cover, or an IP54 drive without the conduitplate or top cover, see the note on page 444.Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
