Application guidelines
4
FRCC.PC.014.A4.22
Content
VSH scroll specificities .........................................................................................................................6
Variable speed compressors ...............................................................................................................7
Compressor size ......................................................................................................................................................................................... 7
Frequency converter variants ............................................................................................................................................................... 7
Compressor and frequency converter combinations .................................................................................................................. 7
Nomenclature and specifications .......................................................................................................8
Compressor nomenclature .................................................................................................................................................................... 8
Frequency converter nomenclature ................................................................................................................................................... 8
Technical specifications ......................................................................................................................9
Compressor specifications ..................................................................................................................................................................... 9
Frequency converter specifications .................................................................................................................................................... 9
Oil injection control .................................................................................................................................................................................. 9
Bearings lubrication ................................................................................................................................................................................. 9
Capacity at EN12900 rating conditions ...........................................................................................................................................10
Capacity at ARI rating conditions ......................................................................................................................................................11
Dimensions ........................................................................................................................................12
VSH088-G & H ...........................................................................................................................................................................................12
VSH088-J .....................................................................................................................................................................................................13
VSH117-G & H ...........................................................................................................................................................................................14
VSH117-J .....................................................................................................................................................................................................15
VSH170- G - H & J .....................................................................................................................................................................................16
Sight glass ..................................................................................................................................................................................................17
Schrader ......................................................................................................................................................................................................17
Oil equalisation connection.................................................................................................................................................................17
Oil drain fitting .........................................................................................................................................................................................17
Suction & discharge connections ......................................................................................................................................................17
Frequency converter dimensions ......................................................................................................................................................17
CDS302 frequency converter - enclosure B1 .................................................................................................................................18
CDS302 frequency converter - enclosure B2 .................................................................................................................................19
CDS302 frequency converter - enclosure B3 .................................................................................................................................20
CDS302 frequency converter - enclosure B4 .................................................................................................................................21
CDS302 frequency converter - enclosure C1 .................................................................................................................................22
CDS302 frequency converter - enclosure C3 .................................................................................................................................23
Electrical data, connections and wiring ...........................................................................................24
Supply voltage ..........................................................................................................................................................................................24
Compressor electrical specifications ................................................................................................................................................24
Fuses .............................................................................................................................................................................................................24
Wire sizes ....................................................................................................................................................................................................25
Wiring & EMC protection ......................................................................................................................................................................25
Hipot test procedure ..............................................................................................................................................................................26
EMC correct installation of an IP20 frequency drive CDS302 ..................................................................................................27
Wiring diagram .........................................................................................................................................................................................28
Wiring connections .................................................................................................................................................................................29
Electrical connections ............................................................................................................................................................................30
Soft-start control ......................................................................................................................................................................................30
Phase sequency and
reverse rotation protection ..................................................................................................................................................................30
IP rating .......................................................................................................................................................................................................31
Motor protection .....................................................................................................................................................................................31
Voltage imbalance ..................................................................................................................................................................................31
Frequency converter efficiency ..........................................................................................................................................................31
Ambient temperature and altitude...................................................................................................................................................31
Approvals and certificates ................................................................................................................32
Approvals and certificates ....................................................................................................................................................................32
Pressure equipment directive 97/23/EC .........................................................................................................................................32
Internal free volume ...............................................................................................................................................................................32