Multifunction Protection and Switchgear Control unit REF542plus
Manual: Motor Protection with ATEX-Certification
Figure 17: Dimension of the Central Unit case, wide version
7.2.1 Set-up Area and Required Environmental Conditions
Please note the following information regarding the set-up area:
Allow sufficient space for access to the. The connections must be easily accessible.
Access to the Central Unit in the LV compartment must be easy for the following rea-
sons:
to replace the unit,
to expand the unit,
to replace specific electronic equipment boards and
to replace specific modules if necessary.
Because the unit is sensitive to non-permitted severe environmental conditions, plea-
se observe the following:
The set-up area must be free of excessive air contamination (dust, aggressive
substances).
The natural air circulation around the unit must be free.
The set-up area must maintain the specified environmental conditions
1VTA100114-Rev. 04 en PTMV, 19.01.05 Motorprotection 43 / 66
Valid from Version V4D02
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