|
|
Table 2 – Examples of the provision of pollution degree environments " z' O- p5 C6 V% Y% ?
Reduction of Pollution Degree 3 to Pollution Degree 2
! i/ L0 u) G; M# w8 Z- @Control of the Pollution Degree 3 environment to Pollution Degree 2 can be
9 ]. d X, G @accomplished by either:
. n+ Z/ ]9 E( R! u7 l– providing continuous energization of the enclosed equipment; or ( y0 P) H# O* B, K: x4 H$ f9 m
– providing separate climate conditioning which prevents condensation 4 i% `- d% l1 u X
within the OUTDOOR EQUIPMENT or OUTDOOR ENCLOSURE; or ! W. B, X+ S- k; E1 M4 [
– the use of an ENCLOSURE meeting IP54. |
|