Content
GENERAL INFORMATION ........................ 4
PRODUCT INFORMATION .......................5
Features.....................................................5
Overview ..................................................................... 5
How do IDVs work? .................................................. 5
Compressor model designation .............6
Nomenclature ........................................................... 6
Technical specications ........................... 7
50 Hz data Single compressor ............................. 7
Performances 50 Hz R32 Single compressor . 7
Tandem and trio performances .......................... 8
Dimensions ...............................................9
Single compressors ................................................. 9
Connection Details ................................................10
Tandem assemblies .............................................. 11
Trio assemblies ........................................................ 12
Electrical data, connections and wiring 13
Motor voltage ..........................................................13
Wiring connections ............................................... 13
IP rating ......................................................................14
Terminal box temperature ..................................14
Three phase electrical characteristics ............ 14
Motor protection....................................................15
Approval and certicates ......................17
Low voltage directive ...........................................17
Machines directive ................................................ 17
Pressure equipment directive ........................... 17
Internal free volume.............................................. 17
SYSTEM DESIGN .....................................18
Design piping .........................................18
General requirements ..........................................18
Tandem and trio requirements ......................... 19
Suction washer position ......................................20
Design compressor mounting ..........................21
General requirements ..........................................21
Single requirements..............................................21
DSF540E to DSF1590T ...........................................21
Manage oil in the circuit ........................22
Requirement ............................................................22
System evaluation .................................................22
Test, criteria and solutions .................................. 22
Manage sound and vibration ................23
Compressor sound radiation .............................23
Mechanical vibrations .......................................... 24
Gas pulsation ........................................................... 24
Manage operating envelope ................. 25
Requirement ............................................................25
High and low pressure protection ................... 25
Discharge temperature protection .................25
System evaluation .................................................26
Test, criteria and solutions .................................. 26
Manage superheat .................................27
Requirement ............................................................ 27
System evaluation .................................................27
Test, criteria and solutions .................................. 27
Manage o cycle migration ...................29
Requirement ............................................................29
System evaluation .................................................29
Provide power supply and electrical
protection ...............................................31
Wiring information ................................................ 31
Soft starts .................................................................. 33
Control logic ...........................................34
Safety control logic requirements ................... 34
Cycle rate limit requirements ............................34
Oil management logic recommendations ...34
Defrost logic recommendations / Reversible
systems ......................................................................34
Pump-down logic recommendations ............35
Reduce moisture in the system .............36
Requirements ..........................................................36
Solutions ...................................................................36
INTEGRATION INTO SYSTEM ................37
Assembly line procedure ....................... 37
Compressor storage ..............................................37
Compressor holding charge ..............................37
Handling ...................................................................37
Piping assembly......................................................38
System pressure test and leak detection ......38
Vacuum evacuation and moisture removal 39
Refrigerant charging .............................................39
Dielectric strength and insulation resistance
tests ............................................................................. 39
Commissioning .......................................40
Preliminary check...................................................40
Initial start-up ..........................................................40
System monitoring ................................................40
Dismantal and disposal ....................................... 41
ORDERING INFORMATION ...................42
Packaging ...............................................42
Ordering codes .......................................43
Accessories .............................................. 46
3AB309735209512en-000101
