Content
Scroll compressor principle ............................. 4
Nomenclature and specifications .................... 5
Compressor model designation ...................................... 5
Nomenclature ........................................................................ 5
Technical specification ....................................................... 5
Performance data - 50 Hz ................................. 6
Performance data - 60 Hz ................................. 7
Dimensions ....................................................... 8
PSH019 ..................................................................................... 8
PSH023-026-030-034 .......................................................... 9
PSH039 ...................................................................................10
Electrical data, connections and wiring .......11
Connection Details ............................................................11
Suction and discharge connections ............................11
Oil sight glass .......................................................................11
Oil equalisation connection............................................11
Schrader .................................................................................11
Liquid injection valve ........................................................11
Motor voltage ......................................................................12
Voltage imbalance .............................................................12
Electrical data .......................................................................12
LRA (Locked Rotor Amp) ..................................................13
MCC (Maximum Continuous Current) .........................13
Max. operating Current ....................................................13
Winding resistance.............................................................13
General wiring information ............................................13
Wiring Connections ...........................................................14
IP Rating .................................................................................14
Terminal box temperature ..............................................15
Terminal box knock-out dimensions ...........................15
Compressor protection ....................................................15
Approvals and certificates .............................16
Approvals and certificates ...............................................16
Pressure Equipment ..........................................................16
Low voltage directive ........................................................16
Machines directive .............................................................16
Internal free volume ..........................................................16
Operating conditions .....................................17
Refrigerant and lubricants...............................................17
Motor supply ........................................................................17
Compressor ambient temperature ..............................17
Application envelope ........................................................18
Discharge temperature protection ..............................18
High and low pressure protection................................18
Liquid Injection ...................................................................19
Cycle rate limit .....................................................................20
System design recommendations .................21
General ...................................................................................21
Essential piping design considerations ......................21
Off-cycle migration ............................................................22
Liquid flood back ................................................................24
Specific application recommendations ........25
Low ambient application .................................................25
Low load operation ............................................................26
Brazed plate heat exchangers ........................................26
Electronic expansion valve .............................................26
Reversible heat pump systems ......................................26
Water utilizing systems .....................................................27
Sound and vibration management ...............28
Starting sound level...........................................................28
Running sound level .........................................................28
Stopping sound level ........................................................28
Installation ......................................................29
Compressor handling and storage...............................29
Compressor mounting .....................................................29
Parallel Installation .............................................................29
Tandem Kits ..........................................................................30
Tandem Configuration......................................................31
Compressor holding charge ...........................................31
System cleanliness .............................................................31
Tubing .....................................................................................32
Brazing and soldering .......................................................32
System pressure test .........................................................33
Leak detection .....................................................................33
Vacuum evacuation and moisture removal ..............34
Filter driers ...........................................................................34
Refrigerant charging .........................................................34
Refrigerant charge limit ...................................................35
Insulation resistance and dielectric strength ...........35
Commissioning ...................................................................35
Oil level checking and top-up ........................................35
Ordering information and packaging ...........36
Packaging ..............................................................................36
Ordering information ........................................................37
Accessories ......................................................38
3
FRCC.PC.022.A4.02
Application Guidelines
