•Carry out the following operations before opening or removing any access panels or carrying out any work on the X4I:
i.Isolate the X4I from the main electrical power supply. Lock the isolator in the “OFF” position and remove the fuses.
ii.Attach labels to the isolator switch and to the unit stating
“WORK IN PROGRESS - DO NOT APPLY VOLTAGE”. Do not switch on electrical power or attempt to start the X4I if such a warning label is attached.
•Make sure that all instructions concerning operation and maintenance are strictly followed and that the complete unit, with all accessories and
safety devices, is kept in good working order.
•The accuracy of sensor devices must be checked on a regular basis. They must be calibrated when acceptable tolerances are exceeded. Always ensure any pressure within the compressed air system is safely vented to atmosphere before attempting to remove or install a sensor device.
•The X4I must only be cleaned with a damp cloth, using mild detergents if necessary. Avoid the use of any substances containing corrosive acids or alkalis.
•Do not paint the control faceplate or obscure any indicators, controls, instructions or warnings.
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