
724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
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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
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