GE Masoneilan 4700P Maintenance Manual

Also see for Masoneilan 4700E: Instruction manual

Contents

Masoneilan 4700P/E & 4800P/E Positioners Manual =| 39© 2015 General Electric Company. All rights reserved.For type n (Ex nL, nA protection concept):Sira 02ATEX4279XII 3 GEx nA nL IIC T4 Gc Ta = -40 °C to +80 °CSpecial Conditions for Safe Use Provisions shall be made externallyto limit the supply transients fromexceeding 40% of the rated inputvoltage (30 V).If the Model 4000 I/P Converter ismounted with the axis of the plasticbaffle in the vertical position withthe baffle uppermost, the requiredingress protection against water isinvalidated; therefore, it shall onlybe installed in this orientation if itslocation provides protection againstfalling water.The installer shall ensure that theModel 4000 I/P Converter isinstalled in a location where there isa low risk of mechanical impact tothe plastic baffle.Ex ia IIIC Da T90 °C Ta = -40 °C to +80 °C, Pi = 1.1 WSpecial Conditions for Safe Use (denoted by Xafter the certificate number)This enclosure is made from lightmetal which could cause ignitiondue to impact. This shall be takeninto consideration when the appa-ratus is installed in locations thatspecifically require Equipment Pro-tection Levels Ga or Da.If the Model 4000 I/P Converter ismounted with the axis of the plasticbaffle in the vertical position withthe baffle uppermost, the requiredingress protection against water isinvalidated; therefore, it shall onlybe installed in this orientation if itslocation provides protection againstfalling water.