
4
Contents
Installation .............................................................................. 20
Pump mounting ...........................................................................................................................................20
Liquid line piping ........................................................................................................................................22
Suction line ...............................................................................................................................................23
Flooded suction ...................................................................................................................................23
Filtration (suction line end) ..................................................................................................................23
When installing a valve on the suction line: ........................................................................................23
Discharge line ..........................................................................................................................................23
When installing a valve on the discharge line: ....................................................................................23
Filtration (circulation) ...........................................................................................................................23
Filtration (discharge line end) ..............................................................................................................23
Depressurization at pump stop ...........................................................................................................23
Degassing ................................................................................................................................................24
Air line piping ..............................................................................................................................................25
Before air piping .......................................................................................................................................25
Solenoid valve (SV) .............................................................................................................................25
Regulator .............................................................................................................................................25
Air line piping layout (FLP-75W) ..........................................................................................................25
Supply air port I.D. ..............................................................................................................................26
Effective cross-sectional area ..................................................................................................................27
Effective cross-sectional area required for decompression process .................................................. 27
Composite effective cross-sectional area required for compression process ....................................27
Air supply capacity of pneumatic devices ...........................................................................................28
Preventive measures against condensation .......................................................................................28
Recommended pneumatic devices .....................................................................................................28
Air line piping diagram ..............................................................................................................................29
Electric wiring .............................................................................................................................................31
Installation ................................................................................................................................................ 31
Lead wires ........................................................................................................................................... 31
Extension of leak sensor wires ........................................................................................................... 31
Installation of proximity switch wires ................................................................................................... 31
Extension of proximity switch wires .................................................................................................... 31
Preventative measures against noise ................................................................................................. 31
Wiring diagram (LPC-1) ............................................................................................................................32
Wiring diagram (normal operation with a single solenoid valve) ..............................................................33
Wiring diagram (feedback control with a single solenoid valve) ...............................................................34
End terminals ...........................................................................................................................................35
Power line............................................................................................................................................35
Single solenoid valve ..........................................................................................................................35
Double solenoid valve .........................................................................................................................36