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P & I Design Ltd.
Control Panel Specification
P & I REF.
PNL-##A2.SPC
SHT
4
OF
9
2.3
Panel Cut-Outs
All cut-outs shall be clean, of the correct size and shape, free from burrs and rough edges.
Rectangular cut-outs must be parallel to each other and the top of the enclosure.
The panel cut-out drawing will give the sizes and tolerances of the required cut-outs.
P & I Design are to be informed on completion of mechanical work, in order that
inspection can be arranged.
2.4
Finish
The enclosure must be free from any deformity, weld slag and shall be of a standard
sufficiently high to obviate the need for excessive thickness of paint.
Before painting, all surfaces shall be cleaned.
Paint shall be applied and cured in conformance with the manufacturer's instructions.
The finished enclosure shall have a minimum film thickness of 100 microns. The finish
shall be free from runs, blemishes and orange peel effect.
P & I Design are to be informed on completion of painting of the panel in order that
inspection can be arranged.
3.0
Arrangement of Equipment
3.1
The enclosure layout will normally be detailed on the cut-out layout drawing. In any case
the layout shall provide easy and safe access to all equipment.
3.2
Ventilation of the panel must be provided if any temperature rise will cause instruments to
be subjected to ambient conditions close to or outside their limitations.
3.3
Suitable segregation shall be given to different categories of equipment, eg. electrical,
instrumentation, intrinsically safe, etc.