Danfoss VZH Series - Operation and Maintenance; Start-up; Check with Running Compressor; Maintenance

Application guidelines
4 FRCC.PC.023.A7.22
Single compressors
VZH088-117-170 single compressors
VZH scroll specicities .........................................................................................................................6
Variable speed compressors ................................................................................................................ 7
Compressor size ...........................................................................................................................................................................................7
Frequency converter variants .................................................................................................................................................................7
Compressor and frequency converter combinations ....................................................................................................................7
Nomenclature and specications ........................................................................................................ 8
Compressor nomenclature ......................................................................................................................................................................8
Frequency converter nomenclature .....................................................................................................................................................8
Technical specications .......................................................................................................................9
Compressor specications .......................................................................................................................................................................9
Frequency converter specications ......................................................................................................................................................9
Oil injection control ....................................................................................................................................................................................9
Bearings lubrication ...................................................................................................................................................................................9
Capacity Tables .......................................................................................................................................................................................... 10
Dimensions .........................................................................................................................................22
VZH088-G/H single version ...................................................................................................................................................................22
VZH088-G/H manifolded version .......................................................................................................................................................22
VZH088-J single version ......................................................................................................................................................................... 23
VZH088-J manifolded version ..............................................................................................................................................................23
VZH117-G/H single version ...................................................................................................................................................................24
VZH117-G/H manifolded version .......................................................................................................................................................24
VZH117-J single version ......................................................................................................................................................................... 25
VZH117-J manifolded version ..............................................................................................................................................................25
VZH170-G/H single version ...................................................................................................................................................................26
VZH170-G/H manifolded version .......................................................................................................................................................26
VZH170-J single version ......................................................................................................................................................................... 27
VZH170-J manifolded version ..............................................................................................................................................................27
Sight glass / oil level switch .................................................................................................................................................................. 28
Schrader .......................................................................................................................................................................................................28
Oil equalisation connection..................................................................................................................................................................28
Oil drain tting ..........................................................................................................................................................................................28
Suction & discharge connections ....................................................................................................................................................... 28
Frequency converter dimensions .......................................................................................................................................................28
Electrical data, connections and wiring ............................................................................................35
Supply voltage ...........................................................................................................................................................................................35
Compressor electrical specications ................................................................................................................................................. 35
Fuses / circuit breakers ...........................................................................................................................................................................36
Wire sizes ..................................................................................................................................................................................................... 37
Wiring & EMC protection .......................................................................................................................................................................37
EMC correct installation of an IP20 frequency drive CDS303 ...................................................................................................38
Wiring diagram ..........................................................................................................................................................................................39
Wiring connections ..................................................................................................................................................................................40
Electrical connections .............................................................................................................................................................................41
Soft-start control .......................................................................................................................................................................................41
Phase sequency and reverse rotation protection .........................................................................................................................41
IP rating ........................................................................................................................................................................................................ 41
Motor protection ...................................................................................................................................................................................... 41
Voltage imbalance ...................................................................................................................................................................................41
Approvals and certicates .................................................................................................................42
Approvals and certicates .....................................................................................................................................................................42
Pressure equipment directive 2014/68/EU .....................................................................................................................................42
Low voltage directive 2014/35/EU ..................................................................................................................................................... 42
Internal free volume ................................................................................................................................................................................ 42