Danfoss Performer SH090 Selection & Application Manuallines page 3

A
PPLICATION GUIDELINES
C
ONTENT
S
YSTEM DESIGN RECOMMENDATIONS
General ..............................................................................................................................................................................28
Essential piping design considerations .................................................................................................................28
Refrigerant charge limit ...............................................................................................................................................29
Off -cycle migration .......................................................................................................................................................30
Liquid fl ood back ...........................................................................................................................................................32
S
PECIFIC APPLICATION RECOMMENDATIONS
Low ambient application ............................................................................................................................................33
Low load operation .......................................................................................................................................................34
Brazed plate heat exchangers ...................................................................................................................................34
Electronic expansion valve .........................................................................................................................................34
Reversible heat pump systems .................................................................................................................................34
Water utilizing systems ................................................................................................................................................36
S
OUND AND VIBRATION MANAGEMENT
Starting sound level ......................................................................................................................................................37
Running sound level .....................................................................................................................................................37
Stopping sound level ...................................................................................................................................................37
Sound generation in a refrigeration or air conditioning system ..................................................................37
I ........................................................................................................................ 39
NSTALLATION
Compressor handling and storage ..........................................................................................................................39
Compressor mounting .................................................................................................................................................39
Compressor holding charge ......................................................................................................................................40
System cleanliness.........................................................................................................................................................41
Tubing ................................................................................................................................................................................41
Brazing and soldering ..................................................................................................................................................41
System pressure test .....................................................................................................................................................42
Leak detection ................................................................................................................................................................43
Vacuum evacuation and moisture removal .........................................................................................................43
Filter driers........................................................................................................................................................................43
Refrigerant charging .....................................................................................................................................................44
Insulation resistance and dielectric strength ......................................................................................................44
Commissioning ...............................................................................................................................................................44
Oil level checking and top-up ...................................................................................................................................44
O
RDERING INFORMATION AND PACKAGING
Packaging .........................................................................................................................................................................45
Ordering information ...................................................................................................................................................46
A ......................................................................................................................... 48
CCESSORIES
FRCC.PC.007.B5.02
............................................................................................ 28
.................................................................................... 33
.......................................................................................... 37
..................................................................................... 45
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