Table Of Contents - Danfoss VLZ065 Application Manuallines

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
VLZ065G ..................................................................... 10
Electrical data, connections and wiring 13
Supply voltage ......................................................... 13
Phase sequence and reverse rotation
protection .................................................................. 15
IP rating ....................................................................... 15
Motor protection..................................................... 15
Approval and certificates ...................... 16
Low voltage directive 2014/35/EU .................... 16
Internal free volume............................................... 16
SYSTEM DESIGN ...................................... 17
Drive installation .................................... 17
Direct and indirect exposure of drive to water
17
Condensation ........................................................... 17
Dust Exposure .......................................................... 17
Mechanical Mounting ........................................... 17
Ambient temperature ........................................... 18
EMC installation ..................................... 19
EMC .............................................................................. 19
EMC best practices ................................................. 19
Unit Architecture .................................... 20
Piping Design ......................................... 21
General requirements ........................................... 21
Design compressor mounting .............. 22
General requirements ...........................................22
Single requirements...............................................22
Manage oil in the circuit ........................ 23
Requirement .............................................................23
System evaluation ..................................................23
Test, criteria and solutions ...................................23
Manage sound and vibration ................ 24
Compressor sound radiation ..............................24
Mechanical vibrations ...........................................25
Gas pulsation ............................................................25
Manage superheat ................................. 26
Requirement .............................................................26
System evaluation ..................................................26
Test, criteria and solutions ...................................27
Manage off cycle migration ................... 28
Requirement .............................................................28
System evaluation .................................................28
Manage operating envelope ................. 29
Requirement .............................................................29
System evaluation ..................................................30
Manage speed limit ................................ 34
Speed limit requirement ......................................34
Start/Stop/Ramp setting ......................................34
Control logic ........................................... 35
Safety control logic requirements ....................35
Short cycle protection .........................................35
Pump-down logic recommendations .............36
Oil boost .....................................................................36
CDS Drive oil boost function ..............................36
Oil boost controlled by optical oil level sensor
37
Reduce moisture in the system ............. 40
Requirements ...........................................................40
Solutions ....................................................................40
INTEGRATION INTO SYSTEMS ............... 41
Assembly line procedure ....................... 41
Compressor storage ............................................... 41
Compressor holding charge ............................... 41
Handling .................................................................... 41
Piping assembly....................................................... 42
System pressure test and leak detection ....... 42
Vacuum evacuation and moisture removal .43
Refrigerant charging ..............................................43
Dielectric strength and insulation resistance
tests ..............................................................................43
Commissioning ....................................... 44
Preliminary check....................................................44
Initial start-up ...........................................................44
System monitoring .................................................44
Oil level checking and top-up ............................44
Troubleshooting ..................................... 45
Dismantle and disposal ......................... 47
ORDERING INFORMATION ..................... 48
Packaging ............................................... 48
Ordering codes ....................................... 49
Accessories .............................................. 50
AB444226142054en-000101
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