Intrinsic Safety entity parameters ____________________________________________________________________________ 6 5.4. Conduit entry in flameproof application _______________________________________________________________________ 6 ASSEMBLY OF A 4700E OR 4800E POSITIONER ON A VALVE ______________________________________________________________ 7 PNEUMATIC CONNECTION OF POSITIONER 4700 E / 4800 E _____________________________________________________________ 7 INSTALLATION and START UP ______________________________________________________________________________________ 7 8.1.
(4000 I/P Converter). It controls the position of the plug of a control valve to a 4-20 mA control signal. Feedback is obtained by means of a cam. 4800E is a positioner with a high flow pneumatic block. 3 – 9 ATEX Instruction Manual GEA19513 – 03/2012 4700E and 4800E Series Electropneumatic Positioners...
J (*) O'ring seal Zero lock nut Vent plug Output Feedback spring Plug Supply Socket head screw Safety screw * O'ring seal is not visible. 4 – 9 ATEX Instruction Manual GEA19513 – 03/2012 4700E and 4800E Series Electropneumatic Positioners...
Do not open when an explosive gas atmosphere is present. Potential electrostatic charging hazard. See instructions for safe use. Use cables rated to ≥ 5°C above ambient. 5 – 9 ATEX Instruction Manual GEA19513 – 03/2012 4700E and 4800E Series Electropneumatic Positioners...
For identification machining thread, check the part number sticked on the Model 4000 I/P Converter body: 00-055100106-888 ½ NPT 00-055100212-888 Adaptors or reducers if apparatus certified ATEX or IECEx. 6 – 9 ATEX Instruction Manual GEA19513 – 03/2012 4700E and 4800E Series Electropneumatic Positioners...
Before installation, check that the device is undamaged. In the event of damage, inform the manufacturer whose address is shown on the serial plate; If the positioner is supplied mounted on a valve, GE Energy installs it, make the pneumatic connection and configure and calibrate it.
The reassembly of the pilot is done in accordance with the figure below by using three new O rings. Screw the assembly in the pneumatic block. 8 – 9 ATEX Instruction Manual GEA19513 – 03/2012 4700E and 4800E Series Electropneumatic Positioners...
The cable entry and the cable must be compatible with the minimum temperature of -40°C indicated on the marking plate. The cable entry must have a protection level at least equal to IP66/67. 9 – 9 ATEX Instruction Manual GEA19513 – 03/2012 4700E and 4800E Series Electropneumatic Positioners...
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