Nidec Digitax ST Series Installation Manual

Nidec Digitax ST Series Installation Manual Manual pdf 17 page image

Digitax ST Installation Guide 17Issue: 7Mechanical Installation Introduction Mechanical Installation Electrical Installation UL Listing InformationFigure 3-1 Fire enclosure bottom layoutThe bottom, including the part of the side considered to be part of the bottom, must bedesigned to prevent escape of burning material - either by having no openings or byhaving a baffle construction. This means that openings for cables etc. must be sealedwith materials meeting the 5VB requirement, or else have a baffle above.See Figure 3-2 for acceptable baffle construction. This does not apply for mounting inan enclosed electrical operating area (restricted access) with concrete floor.Figure 3-2 Fire enclosure baffle construction3.2 Drive dimensionsThe drive complies with the requirements of IP20 as standard.Drive5o5oN o t l e s st h a n 2 X B a f f l e p l a t e s ( m a y b ea b o v e o r b e l o w b o t t o mo f e n c l o s u r e )XB o t t o m o f f i r ee n c l o s u r eNot lessthan 2times ‘X’ Baffle plates (may be above orbelow bottom of enclosure)Bottom of fire enclosureXEnclosureThe drive is intended to be mounted in an enclosure which prevents access except bytrained and authorized personnel, and which prevents the ingress of contamination. It isdesigned for use in an environment classified as pollution degree 2 in accordance withIEC 60664-1. This means that only dry, non-conducting contamination is acceptable.WARNING