Emerson Copeland ZXLE-018E, Application Manuallines

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AGL_Unit_ZX_Small_E_Rev03
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 ZX Small refrigeration units .................................... 3
2.2 EU Ecodesign Directive 2009/125/EC ............................................................................... 3
2.3 Main product features ........................................................................................................ 3
2.4 Product nameplate ............................................................................................................. 4
2.5 Nomenclature ..................................................................................................................... 5
2.6 Application range ............................................................................................................... 5
2.6.1 Qualified refrigerants and oils ................................................................................ 5
2.6.2 Application limits ..................................................................................................... 5
2.7 Bill of material .................................................................................................................... 5
2.8 P&I Diagrams ..................................................................................................................... 6
2.8.1 P&I diagram for ZXME units ................................................................................... 6
2.8.2 P&I diagram for ZXLE units .................................................................................... 7
2.9 Main components description ............................................................................................ 8
2.9.1 Compressor ............................................................................................................ 8
2.9.2 Condenser fan ........................................................................................................ 8
2.9.3 Housing .................................................................................................................. 8
2.10 Main control & safety features ........................................................................................... 9
2.10.1 Suction pressure control......................................................................................... 9
2.10.2 Motor current overload protection .......................................................................... 9
2.10.3 Fixed high-pressure switch PS4 ............................................................................. 9
2.10.4 Adjustable low-pressure switch PS1 ...................................................................... 9
2.10.5 Crankcase heater ................................................................................................... 9
2.10.6 Liquid line assembly ............................................................................................... 9
2.10.7 Room thermostat .................................................................................................... 9
3 Installation ....................................................................................................... 10
3.1 Refrigeration unit handling ............................................................................................... 10
3.1.1 Transport and storage .......................................................................................... 10
3.1.2 Weights................................................................................................................. 10
3.2 Refrigeration piping connections ..................................................................................... 10
3.2.1 Refrigeration piping installation ............................................................................ 10
3.2.2 Brazing recommendations.................................................................................... 11
3.2.3 Brazing procedure ................................................................................................ 12
3.3 Electrical connection ........................................................................................................ 12
3.3.1 Power supply connections.................................................................................... 12