CONFLOW 20VT EP, Installation And Maintenance Manual

Page: 3 / 36

VTop Control Valves
M/VTOP-M/E ed. 01 2020
WWW.CONFLOW.IT Page 1
Summary
1 – GENERAL SAFETY INFORMATION ....................................................................................................... 3
2 - GENERAL ASSEMBLY INSTRUCTIONS .................................................................................................. 3
2.1 – ASSEMBLY ON THE SYSTEM (GENERAL NOTES) .................................................................................... 3
3 – ELECTRIC VALVES TYPE 20VT EP / 50VT EP ......................................................................................... 4
3.1 – COMMISSIONING (GENERAL NOTES) ................................................................................................... 5
3.2 – ELECTRIC VALVES COMMISSIONING ..................................................................................................... 5
3.2.1 – ELECTRIC VALVES WITH HANDWHEEL COMMISSIONING – MANUAL FUNCTION ......................... 6
3.2.2 – ELECTRIC VALVES WITH LUBRICATOR COMMISSIONING ASSEMBLED ON BONNET ..................... 7
3.3 – ACTUATOR ASSEMBLY ON VALVE ......................................................................................................... 7
3.3.1 – ACTUATOR REPLACEMENT – ASSEMBLY OF PSL 202 - 214 AMS ................................................... 7
3.3.2 – ACTUATOR REPLACEMENT – ASSEMBLY OF PSL 320-325 AMS on request ................................. 9
3.3 – COVER REMOVAL ................................................................................................................................ 10
3.4 - ELECTRICAL POWER SUPPLY ................................................................................................................ 10
3.4.1 – WIRING DIAGRAMS ..................................................................................................................... 11
3.4.2 – MONOFASE AC / DC MONOPHASE MAIN POWER SUPPLY ......................................................... 12
3.4.3 – AC THREE-PHASE MAIN POWER SUPPLY ..................................................................................... 12
3.5 – INTERFACES ........................................................................................................................................ 13
3.5.1 – COMMUNICATION INTERFACES .................................................................................................. 13
3.5.2 – INPUT TERMINALS ....................................................................................................................... 13
3.5.3 – OUTPUT TERMINALS .................................................................................................................... 14
3.6 – ACCESSORIES ...................................................................................................................................... 15
3.6.1 – ANTI-CONDENSATE RESISTOR (Optional on request) .................................................................. 15
3.6.2 – ADDITIONAL LIMIT SWITCH SETTING (Optional on request) ....................................................... 15
3.7 – STATUS DISPLAY / COMMISSIONING ELEMENTS................................................................................ 16
3.8 – COVER CLOSURE ................................................................................................................................. 16
3.9 – PRE-COMMISSIONING CONTROL OPERATIONS .................................................................................. 17
3.9.1 – FINAL POSITION LIMITATION ....................................................................................................... 17
3.10 – FINAL COMMISSIONING ................................................................................................................... 17
3.10.1 – AUTOMATIC COMMISSIONING ................................................................................................. 18
3.10.2 – MANUAL COMMISSIONING ....................................................................................................... 18
3.11 – STATUS MESSAGES ........................................................................................................................... 19
3.11.1 – ANOMALY SIGNALLING RELAY ................................................................................................... 19
3.11.2 – ERROR INDICATIONS .................................................................................................................. 19