Emerson Copeland EazyCool ZXDI Series Application Manuallines page 3

2.15.2 Emerson "Hot Key" for ZXDI units with XCM25D controller .............................. 17
2.15.3 Location of the "Hot Key" plug connection on the XCM25D controller .............. 18
2.15.4 How to program a "Hot Key" from the controller (upload) .................................. 18
2.15.5 How to program a controller using an Emerson "Hot Key" (download) ............. 18
2.16 Troubleshooting - Alarm history .................................................................................... 19
2.17 Compressor motor protection ........................................................................................ 19
2.18 System pressure protection ........................................................................................... 19
2.18.1 High-pressure safety switch ............................................................................... 19
2.18.2 High pressure: pressure relief valve ................................................................... 20
2.18.3 Low-pressure safety switch - Optional .............................................................. 20
2.18.4 Ambient temperature sensor .............................................................................. 20
2.19 Alarm output (DO5) ........................................................................................................ 20
2.20 Fan speed control - Ziehl-Abegg PKE-6 controller ....................................................... 20
2.21 Dimensions in mm ......................................................................................................... 21
3 Installation ...................................................................................................... 22
3.1 Condensing unit handling .............................................................................................. 22
3.1.1 Transport and storage ........................................................................................ 22
3.1.2 Weights............................................................................................................... 22
3.2 Electrical connection ...................................................................................................... 23
3.2.1 Power supply connections.................................................................................. 23
3.2.2 Maximum operating currents for cable selection ............................................... 23
3.2.3 Electrical wiring .................................................................................................. 23
3.2.4 Electrical protection standard (protection class) ................................................ 23
3.2.5 Overload protection ............................................................................................ 23
3.3 Refrigeration piping connections ................................................................................... 24
3.3.1 Refrigeration piping installation .......................................................................... 24
3.3.2 Brazing recommendations.................................................................................. 25
3.3.3 Brazing procedure .............................................................................................. 25
3.4 Location & fixings ........................................................................................................... 26
3.5 Required distances ........................................................................................................ 26
3.6 Air ducts connection ....................................................................................................... 27
4 Starting up & operation.................................................................................. 28
4.1 Evacuation ..................................................................................................................... 28
4.2 Charging procedure ....................................................................................................... 28
4.2.1 Refrigerant charging procedure ......................................................................... 28
4.2.2 Oil charging procedure ....................................................................................... 29
4.2.3 Oil separator ....................................................................................................... 29
4.3 Rotation direction of Scroll compressors ....................................................................... 29
4.4 Maximum compressor cycle .......................................................................................... 29
4.5 Checks before starting & during operation .................................................................... 30
C6.1.10/0118-0318/E