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FRCC.PC.007.B8.02
Application guidelines
Content
Scroll compression principle ........................................... 4
Features ............................................................................. 5
Compressor model designation ...................................... 6
Nomenclature ...............................................................................................6
Technical specifi cations ................................................... 7
50-60 Hz data ................................................................................................7
Dimensions ....................................................................... 8
SH090-105-120-140* & 161* ..................................................................8
SH 140 & 161 code 3 & SH184 .................................................................9
SH180-240-295 .......................................................................................... 10
SH300............................................................................................................ 11
SH380-485 ................................................................................................... 12
Connection details ................................................................................... 13
Electrical data, connections and wiring ........................ 14
Motor voltage ............................................................................................ 14
Wiring connections ................................................................................. 14
IP rating ........................................................................................................ 15
Terminal box temperature .................................................................... 15
Three phase electrical characteristics ............................................... 16
Danfoss MCI soft-start controller ........................................................ 17
General wiring information .................................................................. 18
Motor protection ...................................................................................... 20
Voltage imbalance ................................................................................... 21
Approval and certifi cations ........................................... 22
Approvals and certifi cates..................................................................... 22
Pressure Equipment ................................................................................ 22
Low voltage directive ............................................................................. 22
Machines directive ................................................................................... 22
Internal free volume ................................................................................ 22
Operating conditions ..................................................... 23
Refrigerant and lubricants .................................................................... 23
Motor supply .............................................................................................. 24
Compressor ambient temperature .................................................... 24
Application envelope ............................................................................. 24
Discharge temperature protection ................................................... 25
High and low pressure protection ..................................................... 25
Cycle rate limit ........................................................................................... 26
System design recommendations ................................. 27
General ......................................................................................................... 27
Essential piping design considerations ............................................ 27
Refrigerant charge limit ......................................................................... 28
Off -cycle migration .................................................................................. 29
Liquid fl ood back ...................................................................................... 31
Specifi c application recommendations ........................ 32
Low ambient application ...................................................................... 32
Low load operation ................................................................................. 33
Brazed plate heat exchangers ............................................................. 33
Electronic expansion valve ................................................................... 33
Reversible heat pump systems............................................................ 33
Water utilizing systems .......................................................................... 35
Sound and vibration management ............................... 36
Starting sound level ................................................................................ 36
Running sound level ............................................................................... 36
Stopping sound level .............................................................................. 36
Sound generation in a system ............................................................. 36
Installation ...................................................................... 38
Compressor handling and storage .................................................... 38
Compressor mounting ........................................................................... 38
Compressor holding charge ................................................................. 39
System cleanliness ................................................................................... 40
Tubing .......................................................................................................... 40
Brazing and soldering ............................................................................. 40
System pressure test ............................................................................... 41
Leak detection ........................................................................................... 42
Vacuum evacuation and moisture removal .................................... 42
Filter driers .................................................................................................. 42
Refrigerant charging ............................................................................... 43
Insulation resistance and dielectric strength ................................. 43
Commissioning ......................................................................................... 43
Oil level checking and top-up ............................................................. 43
Ordering information and packaging ........................... 44
Packaging .................................................................................................... 44
Ordering information.............................................................................. 45
Accessories ...................................................................... 47