167 Compr essor s Compr essor s 5. Defne the comfort you need in terms of noise level With a separate compressor room and an air network, there are l ess requirements considering the compressor noise level. If you wan t to position your device close to your working area, silenced compressors ar e ideal for you. 6. Defne your electrical requirements Check if you need a 1 phase or 3 phase compressor . When you have variable fow requirements and more than 5 minutes load, consider a frequency driven compressor . Most of the time, your air consumption will not be constant, so you can gain a lot on energy effciency . 7. Defne your vessel size For an average use of your selected compressor type, the standard proposed vessel size suits the needs, as compressor design is based on years of experience. 8. Defne the accessories you need y ou have delicate air equipment or care extra about the environm ent, so you need special clean or dry air? Quality Air solutions like dryers and flters exist in many forms, separate or integrated if you require moisture f ree air . 9. Check the quality label For an optimal return on investment, look for guarantees, like ISO conformity and genuine parts so you can enjoy a long, safe and effcient li fetime of your compressor . 10. Check ease of maintenance, parts and service availability Check serviceability of the device, service intervals and if ea sy access to genuine parts and services is guaranteed. y ou want to verify your choice? Our team is ready to support you with their professional advice on Chicago Pneumatic compressors. Check out your nearest contact at www .cp.com