Table Of Contents - Danfoss R22 Application Manualline

Application guidelines Content
D
anfoss scroll compression principle
f ...............................................................5
eatures
c ...............................6
ompressor moDel Designation
Nomenclature ........................................................................6
t .........................................7
echnical specifications
50 Hz data ...............................................................................7
60 Hz data ...............................................................................8
D ...........................................................9
imensions
SM/SZ 084-090-100-110-120 ............................................9
SM 112-124-SM/SZ147* .................................................. 10
SM/SZ147 code 3 ............................................................... 10
SM/SZ 148-161 ................................................................... 11
SM/SZ 175-185 & SY185 .................................................. 12
SY/SZ 240-300-380 ............................................................ 13
Connection details ............................................................ 14
e ,
lectrical Data connections anD wiring
Motor voltage ..................................................................... 15
Wiring connections ........................................................... 15
IP rating ................................................................................. 16
Terminal box temperature ............................................. 17
Three phase electrical characteristics ........................ 17
Danfoss MCI soft-start controller ................................. 18
General wiring information ........................................... 19
Motor protection ............................................................... 21
Voltage unbalance ............................................................ 23
a ................................ 24
pproval anD certifications
Approvals and certificates .............................................. 24
Pressure Equipment Directive 97/23/EC ................... 24
Low voltage directive ....................................................... 24
Machines directives .......................................................... 24
Internal free volume ......................................................... 24
o ......................................... 25
perating conDitions
Refrigerant and lubricants.............................................. 25
Motor supply ....................................................................... 26
Compressor ambient temperature ............................. 26
Application envelope at dew temperatures ............ 26
Application envelopes at mean temperatures ....... 28
Discharge temperature protection ............................ 30
High and low pressure protection............................... 30
Cycle rate limit .................................................................... 31
FRCC.PC.003.A5.22
.....................4 s
ystem Design recommenDations
General .................................................................................. 32
Essential piping design considerations ..................... 32
Refrigerant charge limit .................................................. 33
Off-cycle migration ........................................................... 33
Liquid flood back ............................................................... 35
s
pecific application recommenDations
Low ambient application ................................................ 36
Low load operations ......................................................... 37
Brazed plate heat exchangers ....................................... 37
Electronic expansion valve ............................................ 37
Reversible heat pump systems ..................................... 37
Water utilizing systems .................................................... 39
s
ounD anD vibration management
Starting sound level.......................................................... 40
Running sound level ........................................................ 40
Stopping sound level ....................................................... 40
.............. 15 Sound generation in a refrigeration or air
conditioning system ......................................................... 40
i
nstallation
Compressor handling and storage.............................. 42
Compressor mounting .................................................... 42
Compressor holding charge .......................................... 43
System cleanliness ............................................................ 43
Tubing .................................................................................... 43
Brazing and soldering ...................................................... 43
System pressure test ........................................................ 45
Leak detection .................................................................... 45
Vacuum evacuation and moisture removal ............. 45
Filter driers ........................................................................... 46
Refrigerant charging ........................................................ 46
Insulation resistance and dielectric strength .......... 46
Commissioning .................................................................. 47
Oil level checking and top-up ....................................... 47
o
rDering information
Packaging ............................................................................ 48
Ordering information ....................................................... 48
a
ccessories
.......................... 32
.................. 36
........................ 40
....................................................... 42
& ...................... 48
packaging
....................................................... 51
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