Emerson Copeland EazyCool ZX Series - Page 3

C6.1.6/0613-0815/E
2.12.3 Pumpdown with temperature sensor ................................................................ 20
2.13 Reset to factory settings – Emerson "Hot Key" ............................................................ 21
2.13.1 How to save factory settings or user settings .................................................... 21
2.13.2 Applicable hot keys for ZX units with XCM25D controller .................................. 22
2.13.3 Location of the "Hot Key" plug connection on the XCM25D controller ............... 22
2.13.4 How to program a "Hot Key" from the controller (upload) .................................. 22
2.13.5 How to program a controller using an Emerson "Hot Key" (download) .............. 22
2.14 Troubleshooting .......................................................................................................... 23
2.14.1 Alarm menu ..................................................................................................... 23
2.15 Compressor motor protection ...................................................................................... 23
2.16 System pressure protection ......................................................................................... 24
2.16.1 High-pressure safety switch ............................................................................. 24
2.16.2 High pressure: pressure relief valve / burst disc ................................................ 24
2.16.3 Low-pressure safety switch – Optional ............................................................. 24
2.17 Other inputs at the plant controller XCM25D ................................................................ 24
2.17.1 Customer-supplied control (room thermostat) ................................................... 24
2.17.2 Case temperature controller ............................................................................. 24
2.17.3 Ambient temperature sensor ............................................................................ 24
2.18 Other outputs of the electronic controller ..................................................................... 24
2.18.1 Alarm output (D05) ........................................................................................... 24
2.19 Dimensions in mm ....................................................................................................... 25
3 Installation ................................................................................................... 26
3.1 Condensing unit handling ............................................................................................ 26
3.1.1 Transport and storage ...................................................................................... 26
3.1.2 Weights............................................................................................................ 26
3.2 Electrical connection ................................................................................................... 27
3.2.1 Power supply connections ................................................................................ 27
3.2.2 Maximum operating currents for cable selection ............................................... 27
3.2.3 Electrical wiring ................................................................................................ 27
3.2.4 Electrical protection standard (protection class) ................................................ 28
3.3 Refrigeration piping connections.................................................................................. 28
3.3.1 Refrigeration piping installation......................................................................... 28
3.3.2 Brazing recommendations ................................................................................ 29
3.3.3 Brazing procedure ............................................................................................ 29
3.4 Location & fixings ........................................................................................................ 30
3.5 Required distances ..................................................................................................... 30
4 Starting up & operation................................................................................ 32
4.1 Evacuation .................................................................................................................. 32
4.2 Charging procedure..................................................................................................... 32
4.2.1 Refrigerant charging procedure ........................................................................ 32