Content
GENERAL INFORMATION........................ 4
PRODUCT INFORMATION ....................... 5
Features......................................................5
How do IDVs work?................................................... 5
Compressor model designation ..............6
Nomenclature ............................................................ 6
Technical specifications............................7
Dimensions ..............................................10
VZH052-065G/J/H ...................................................10
Electrical data, connections and wiring13
Supply voltage.........................................................13
Phase sequence and reverse rotation
protection.................................................................. 15
IP rating.......................................................................16
Motor protection.....................................................16
Approval and certificates .......................17
Low voltage directive 2014/35/EU.................... 17
Internal free volume............................................... 17
SYSTEM DESIGN..................................... 18
Drive installation.....................................18
Direct and indirect exposure of drive to water
18
Condensation...........................................................18
Dust Exposure..........................................................18
Mechanical Mounting ...........................................18
Ambient temperature ...........................................19
EMC installation ..................................... 20
EMC best practices .................................................20
EMC remediation ....................................................20
EMC remediation ....................................................21
Mechanical dimension .........................................21
Unit Architecture.................................... 22
Design piping ......................................... 23
General requirements...........................................23
Design compressor mounting .............. 24
General requirements...........................................24
Single requirements...............................................24
Manage oil in the circuit ........................ 25
Requirement.............................................................25
System evaluation ..................................................25
Test, criteria and solutions...................................25
Manage sound and vibration................ 26
Compressor sound radiation..............................26
Mechanical vibrations...........................................27
Gas pulsation............................................................27
Manage superheat ................................. 28
Requirement.............................................................28
System evaluation ..................................................28
Test, criteria and solutions...................................29
Manage off cycle migration................... 30
Requirement.............................................................30
System evaluation .................................................30
Manage operating envelope................. 32
Requirement.............................................................32
System evaluation ..................................................33
Manage speed limit.................................37
Speed limit requirement......................................37
Start/Stop/Ramp setting......................................37
Control logic ........................................... 38
Safety control logic requirements....................38
Short cycle protection .........................................39
Defrost cycle logic ..................................................39
Pump-down logic recommendations.............39
Oil management logic ..........................................40
Reduce moisture in the system..............41
Requirements........................................................... 41
Solutions.....................................................................41
INTEGRATION INTO SYSTEMS.............. 42
Assembly line procedure....................... 42
Compressor storage...............................................42
Compressor holding charge ...............................42
Handling ....................................................................42
Piping assembly.......................................................43
System pressure test and leak detection .......43
Vacuum evacuation and moisture removal .44
Refrigerant charging..............................................44
Dielectric strength and insulation resistance
tests..............................................................................44
Commissioning....................................... 45
Preliminary check....................................................45
Initial start-up...........................................................45
System monitoring.................................................45
Oil level checking and top-up............................45
Troubleshooting..................................... 46
Dismantal and disposal ......................... 49
ORDERING INFORMATION ................... 50
Packaging ............................................... 50
Ordering codes........................................51
Accessories...............................................52
3AB237586440343en-000601
