Table Of Contents - Emerson Copeland Scroll ZR24KRE Application Manuallines

About these guidelines ............................................................................................... 1
1 Safety instructions ........................................................................................... 1
1.1 Icon explanation ............................................................................................................... 1
1.2 Safety statements ............................................................................................................ 1
1.3 General instructions ......................................................................................................... 2
2 Product description ......................................................................................... 3
2.1 General information about Copeland Scroll™ compressors ........................................... 3
2.2 Nomenclature ................................................................................................................... 3
2.3 BOM Variation .................................................................................................................. 4
2.4 Application range ............................................................................................................. 4
2.4.1 Qualified refrigerants and oils .............................................................................. 4
2.4.2 Application limits ................................................................................................... 4
2.4.3 PED category and maximum allowable pressure PS .......................................... 4
2.5 Dimensions ...................................................................................................................... 5
3 Installation ........................................................................................................ 7
3.1 Compressor handling ....................................................................................................... 7
3.1.1 Transport and storage .......................................................................................... 7
3.1.2 Positioning and securing ...................................................................................... 7
3.1.3 Installation location ............................................................................................... 7
3.2 Mounting parts ................................................................................................................. 8
3.3 Brazing procedure ............................................................................................................ 8
3.3.1 General brazing procedure................................................................................... 8
3.3.2 Brazing procedures for ZR*KRE compressors in parallel applications ................ 9
3.4 Shut-off valves and adaptors ........................................................................................... 9
3.5 Pressure safety controls ................................................................................................ 10
3.5.1 High-pressure protection .................................................................................... 10
3.5.2 Low-pressure protection ..................................................................................... 10
3.6 Crankcase heater ........................................................................................................... 10
3.7 Soft starter and single-phase compressor start assists ................................................. 11
3.8 Discharge gas temperature protection ........................................................................... 12
3.8.1 Excessive discharge gas temperatures ............................................................. 12
3.8.2 Internal thermo-disc ............................................................................................ 12
3.8.3 Advanced Scroll Temperature Protection (ASTP) ............................................. 12
3.8.4 Discharge line thermostat................................................................................... 13
3.9 Internal pressure relief valve .......................................................................................... 14
3.10 Discharge check valve ................................................................................................... 14
3.11 Filter screens ................................................................................................................. 14
3.12 Mufflers .......................................................................................................................... 14
3.13 Sound and vibration ....................................................................................................... 15
3.14 Compressor oil return, oil balancing and flood-back tests ............................................. 15
AGL_AC_ST_ZRKRE_E_Rev01