Table Of Contents - Danfoss SH485 Application Manuallines

Application Guidelines Content
Scroll compression principle ................... 4
Features..................................................... 5
Compressor model designation ............. 6
Nomenclature ............................................................6
Technical specifications ........................... 7
50-60 Hz data .............................................................7
Dimensions ............................................... 8
SH090-105-120-140* and 161* .............................8
SH 140 and 161 code 3 and SH184 ......................9
SH180-240-295 .........................................................10
SH380-485 (Except code 3) ................................ 11
SH380 code 3 ............................................................12
Electrical data, connections and wiring 13
Connection details .................................................13
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 certifications ................... 22
Approvals and certificates .................................. 22
Pressure equipment directive 2014/68/EU ... 22
Low voltage directive 2014/35/EU ................... 22
Machines directive 2006/42/EC ........................ 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 recommendations .. 27
Refrigerant charge limit ....................................... 28
Off-cycle migration ............................................... 29
Liquid flood back ....................................................31
Specific 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
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
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