Black Box CRDX-W-FS-24KW Network Hardware User Manual


 
724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 5
Table of Contents
Table of Contents
1. Introduction ........................................................................................................................................................................10
1.1 General ........................................................................................................................................................................10
1.2 Product Description .....................................................................................................................................................10
1.3 Product Warranty ........................................................................................................................................................13
1.4 Safety ........................................................................................................................................................................14
1.4.1 General ............................................................................................................................................................14
1.4.2 Safety Summary...............................................................................................................................................14
1.5 General Design ............................................................................................................................................................16
1.5.1 Electrical Compartment ...................................................................................................................................17
1.5.2 Circuit Breakers/Motor Start Protectors ........................................................................................................... 17
1.5.3 Compressor ..................................................................................................................................................... 17
1.5.3.1 Electronic Thermal Expansion Valve .................................................................................................... 17
1.5.3.2 Electronic Hot Gas Bypass .................................................................................................................. 17
1.5.4 Coils .................................................................................................................................................................17
1.5.5 Condensate Pump ........................................................................................................................................... 17
1.5.6 EC Fans ............................................................................................................................................................ 17
1.5.7 Temperature/Humidity Sensors ........................................................................................................................18
1.6 Optional Equipment ....................................................................................................................................................18
1.6.1 Remote Mounted Supply Temperature/Humidity Sensor .................................................................................18
1.6.2 Water Detector ................................................................................................................................................18
1.6.3 Smoke Detector ...............................................................................................................................................18
1.6.4 Firestat .............................................................................................................................................................18
2. Installation ........................................................................................................................................................................19
2.1 Receiving the Equipment .............................................................................................................................................19
2.2 Moving the Equipment ................................................................................................................................................19
2.3 Site Preparation ........................................................................................................................................................... 19
2.4 Mounting/Placement ...................................................................................................................................................20
2.5 Air Distribution ............................................................................................................................................................21
2.6 Optional Equipment (Field Installed) ............................................................................................................................23
2.6.1 Remote Water Detectors .................................................................................................................................23
2.6.2 Remote Temperature/Humidity Sensor ............................................................................................................24
2.6.3 Outdoor Condensers .......................................................................................................................................25
2.7 Water-Water/Glycol Cooled DX ...................................................................................................................................25
2.8 Split Air Cooled Systems ..............................................................................................................................................29
2.8.1 Refrigerant Piping ............................................................................................................................................29
2.8.1.1 DX Refrigerant Piping Connections .....................................................................................................30
2.8.1.2 Refrigerant Pipe Sizing .........................................................................................................................31
2.8.2 Remote Air-Cooled Condensers .......................................................................................................................31
2.8.3 Condensate Drain Line.....................................................................................................................................32
2.9 Utility Connections ......................................................................................................................................................32
2.9.1 Main Power .....................................................................................................................................................32
2.9.1.1 Single-Phase Units 208/230 V .............................................................................................................34
2.9.1.2 Three-Phase Units ...............................................................................................................................34
2.9.2 Optional Equipment .........................................................................................................................................34
2.9.2.1 Remote Water Detector .......................................................................................................................34
2.9.2.2 Remote Temperature/Humidity Sensor ................................................................................................34
2.9.2.3 Remote On/Off ...................................................................................................................................34
2.9.3 Outdoor Equipment .........................................................................................................................................34