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N700E INSTRUCTION MANUAL
IV
NOTE : POLLUTION DEGREE 2
THE INVERTER MUST BE USED IN THE ENVIRONMENT OF THE POLLUTION DEGREE 2.
TYPICAL CONSTRUCTIONS THAT REDUCE THE POSSIBILITY OF CONDUCTIVE POLLUTION ARE,
1) THE USE OF AN UNVENTILATED ENCLOSURE.
2) THE USE OF A FILTERED VENTILATED ENCLOSURE WHEN THE VENTILATION IS FAN FORCED
THAT IS, VENTILATION IS ACCOMPLISHED BY ONE MORE BLOWERS WITHIN THE
ENCLOSURE THAT PROVIDE A POSITIVE INTAKE AND EXHAUST.