Content
GENERAL INFORMATION .........................4
PRODUCT INFORMATION ........................5
Features......................................................5
Overview ...................................................................... 5
How do IDVs work? ................................................... 5
Compressor model designation ..............6
Nomenclature ............................................................ 6
Technical specifications ............................7
50-60Hz data Single compressor ........................ 7
50-60Hz data Tandem compressors .................. 8
50-60Hz data Tandem and trios .......................... 9
Dimensions ..............................................10
Single compressors ................................................10
Connection Details ................................................. 11
Tandem assemblies ............................................... 12
Trio assemblies .........................................................14
Electrical data, connections and wiring 15
Motor voltage ........................................................... 15
Wiring connections ................................................ 15
IP rating ....................................................................... 17
Terminal box temperature ................................... 17
Three phase electrical characteristics ............. 17
Motor protection.....................................................18
Approval and certificates ...................... 20
Low voltage directive ............................................ 20
Machines directive .................................................20
Pressure equipment directive ............................ 20
Internal free volume...............................................20
SYSTEM DESIGN ......................................21
Design piping ..........................................21
General requirements ...........................................21
Tandem and trio requirements .......................... 22
Suction washer position .......................................23
Oil equalization design ......................................... 26
Design compressor mounting .............. 28
General requirements ...........................................28
Single requirements...............................................28
Tandem requirements ...........................................29
DSH180E to DSH368E mounting ....................... 29
DSH360X-424X-456X-479X-565X mounting ..30
DSH482 to DSH1455 mounting ..........................30
Manage oil in the circuit .........................31
Requirement ............................................................. 31
System evaluation ..................................................31
Test, criteria and solutions ...................................31
Manage sound and vibration ................ 32
Compressor sound radiation .............................. 32
Mechanical vibrations ...........................................34
Gas pulsation ............................................................34
Manage operating envelope ................. 35
Requirement ............................................................. 35
High and low pressure protection ....................37
Discharge temperature protection .................. 37
System evaluation ..................................................38
Test, criteria and solutions ................................... 38
Manage superheat ................................. 39
Requirement ............................................................. 39
System evaluation ..................................................39
Test, criteria and solutions ................................... 39
Manage off cycle migration .................... 41
Requirement ............................................................. 41
System evaluation .................................................. 41
Provide power supply and electrical
protection ............................................... 43
Wiring information ................................................. 43
Soft starts ................................................................... 46
Control logic ............................................47
Safety control logic requirements ....................47
Cycle rate limit requirements .............................47
Oil management logic recommendations ....47
Defrost logic recommendations / Reversible
systems ....................................................................... 47
Pump-down logic recommendations ............. 48
Reduce moisture in the system ............. 49
Requirements ........................................................... 49
Solutions.....................................................................49
INTEGRATION INTO SYSTEMS .............. 50
Assembly line procedure ....................... 50
Compressor storage ...............................................50
Compressor holding charge ...............................50
Handling ....................................................................50
Piping assembly.......................................................51
System pressure test and leak detection ....... 51
Vacuum evacuation and moisture removal . 52
Refrigerant charging ..............................................52
Dielectric strength and insulation resistance
tests ..............................................................................52
Commissioning ....................................... 53
Preliminary check....................................................53
Initial start-up ........................................................... 53
System monitoring ................................................. 53
ORDERING INFORMATION ...................54
Dismantal and disposal ......................... 54
Packaging ............................................... 55
Ordering codes ....................................... 56
Accessories .............................................. 60
3FRCC.PC.045.A7.02
To Next Page
Loading...
Need help?
General
