FISCHER [CF] EASY User Manual page 51

2.13.1 How to save factory settings or user settings ...................................................... 17
2.13.2 Applicable hot keys for [ CF ] EASY units with XCM25D ..................................... 17
2.13.3 Location of the "Hot Key" plug connection on the XCM25D controller ................ 17
2.13.4 How to program a "Hot Key" from the controller (upload) .................................... 17
2.13.5 How to program a controller using an Emerson "Hot Key" (download) ............... 18
2.14 Troubleshooting ............................................................................................................... 18
2.14.1 Alarm menu .......................................................................................................... 18
2.15 Compressor motor protection .......................................................................................... 19
2.16 System pressure protection ............................................................................................. 19
2.16.1 High-pressure safety switch ................................................................................. 19
2.16.2 High pressure: pressure relief valve / burst disc .................................................. 19
2.16.3 Low-pressure safety switch – Optional ................................................................ 19
2.17 Other inputs at the plant controller XCM25D ................................................................... 19
2.17.1 Customer-supplied control (room thermostat)...................................................... 19
2.17.2 Case temperature controller ................................................................................. 19
2.17.3 Ambient temperature sensor ................................................................................ 19
2.18 Other outputs of the electronic controller ......................................................................... 20
2.18.1 Alarm output (DO5) .............................................................................................. 20
2.19 Dimensions in mm ........................................................................................................... 20
3 Installation ....................................................................................................... 21
3.1 Condensing unit handling ................................................................................................ 21
3.1.1 Transport and storage .......................................................................................... 21
3.1.2 Weights................................................................................................................. 21
3.2 Electrical connection ........................................................................................................ 22
3.2.1 Power supply connections.................................................................................... 22
3.2.2 Maximum operating currents for cable selection ................................................. 22
3.2.3 Electrical wiring .................................................................................................... 22
3.2.4 Electrical protection standard (protection class) .................................................. 22
3.3 Refrigeration piping connections ..................................................................................... 23
3.3.1 Refrigeration piping installation ............................................................................ 23
3.3.2 Brazing recommendations.................................................................................... 24
3.3.3 Brazing procedure ................................................................................................ 24
3.4 Location & fixings ............................................................................................................. 25
3.5 Required distances .......................................................................................................... 25
4 Starting up & operation................................................................................... 27
4.1 Evacuation ....................................................................................................................... 27
4.2 Charging procedure ......................................................................................................... 27
4.2.1 Refrigerant charging procedure ........................................................................... 27
4.2.2 Oil charging procedure ......................................................................................... 28
4.2.3 Rotation direction of Scroll compressors .............................................................. 28
C6.1.6/0513-0515/E