Installation and
Operating Instructions
Series AVI-PDU
RF DRIVEN SHIELD LEVEL SWITCH
Page 1: ...Installation and Operating Instructions Series AVI PDU RF DRIVEN SHIELD LEVEL SWITCH...
Page 2: ...ipment Total weight about 5 kg or higher with certain longer cable probes and over 15 kg with flanges 2 Be aware of the power and relay wiring when doing calibration or maintenance as high voltage can...
Page 3: ...etect the difference in materials i e air powder air liquid oil water But it has advanced features for rejecting coatings more reliable and stable operation higher accuracy and remote electronics Radi...
Page 4: ...be the impedance of the build up is low and measurable current will not pass from the measuring element to the shield or ground i e UA UB IAB UA UB YL 0 The electronic unit so only measures the curren...
Page 5: ...instrument failure Ambient Operating Temp electronics 40 75 40 167 Storage Temp 40 85 40 185 Response time 0 5second Time delay 2 25seconds continuously adjustable Barrier Built in limiting current t...
Page 6: ...optional PTFE NO 2 BSPT 2 NPT optional OD22mm 0 87 Threeterminal rod 100 1 0MPa 212 145psi 25 1 6MPa 77 232psi Heavyduty anti agitation 21 04ss st other optional UR NO 170mm 170mm 6 7 6 7 205mm 8 205...
Page 7: ...lt either the factory or local representative for specific recommendations Electrical connections should conform to plant and national standards For horizontal mounting instrument wire entries should...
Page 8: ...ystem mounting 4 4 Remote Installation A remote system separates the probe from the electronics with a special coaxial cable provided by factory The cable can be field shortened and re terminated as r...
Page 9: ...be to keep it out of the flow stream 3 Do not open sensing element or loosen sealed gland 4 Use open end wrench on the wrench flat to tighten sensing element Do Not use the housing as a source of leve...
Page 10: ...9 Anchor mounting Bent mounting Bracket mounting in open vessel External side arm mounting...
Page 11: ...10 15 Different Mounting Angle Flushing Mounting Silo Application...
Page 12: ...gure 4 5 below All of the sensing element connections are made to the terminals on the opposite side of the power and relay connections The shield wire red and the center wire blue are twisted be sure...
Page 13: ...ight hand entrance fitting into housing 3 Adjust the cable for suitable length 4 Connect the wires to the proper terminals and verify it is correct 5 Tighten the upper lid again Instrument uses normal...
Page 14: ...wiring the SETPOINT is the operating control used to control the switch point at which the relay changes state Turning the switch point adjustment clockwise increases the amount of sensed capacitance...
Page 15: ...nd place is at ON following is same factory setting always also at that position Range setting at on the top of the unit RANGE change the switch No 2 3 4position could measure different process materi...
Page 16: ...sulating Material 2 E Turn the set point adjustment slowly clockwise CW until relay once again just operates LED change to GREEN counting the number of revolutions required to change states or you com...
Page 17: ...DU level control If attempts to locate the difficulty fail notify your local FITECHNIC representative or call the factory directly Assure power to the equipment has been turned before opening the expl...
Page 18: ...without build up will have the following values Resistance higher than 1M at all test points consult factory Voltage lower than200mV at all test points consult factory DSH CW GND multimeter 7 2 Testin...
Page 19: ...ctronic unit malfunction Yellow LED f Replace unit g LED failed g Replace fuse of unit or turn power on again 2 Instrument never indicates alarm a Sensing element not seeing material HLFS a Need longe...
