Danfoss SH090 Application Guidelines

3
FRCC.PC.007.B8.02
Application guidelines Content
Scroll compression principle ........................................... 4
Features ............................................................................. 5
Compressor model designation ...................................... 6
Nomenclature ...............................................................................................6
Technical speci 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 certi cations ........................................... 22
Approvals and certi 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
O -cycle migration ..................................................................................29
Liquid  ood back ......................................................................................31
Speci 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

Danfoss SH090 Specifications

General

Brand	Danfoss
Model	SH090
Category	Air Compressor
Language	English