Unit installation

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Table of Contents
MODEL IDENTIFICATION ........................................................................5
1.0 INSTALLATION..........................................................................................
6
1.1 Room Considerations ................................................................................................ 6
1.2 Inspection .................................................................................................................. 6
1.3 Locating the Unit ........................................................................................................ 6
1.3.1 Indoor Condensing Unit .............................................................................................. 7
1.4 Leveling Legs ............................................................................................................ 7
1.5 Paperwork ................................................................................................................. 7
1.6 Storage ......................................................................................................................7
2.0 PIPING........................................................................................................ 8
2.1 Split Air Cooled Unit Piping ........................................................................................ 8
2.1.1 Liquid Lines ...............................................................................................................8
2.1.2 Suction Lines ............................................................................................................. 8
2.1.3 Connection Sizes, Air Cooled Units............................................................................ 9
2.1.4 Field Piping, Remote Condensing Unit....................................................................... 9
2.2 Water/Glycol Cooled Unit Piping .............................................................................. 10
2.2.1 Liquid Lines ............................................................................................................. 10
2.2.2 Suction Lines ........................................................................................................... 10
2.2.3 Connection Sizes, Water/Glycol Cooled Units .......................................................... 11
2.2.4 Connection Sizes, Fluid Coolers .............................................................................. 11
2.3 Chilled Water Piping ................................................................................................ 11
2.4 Condensate Drain Piping......................................................................................... 11
2.5 Humidifier Piping ..................................................................................................... 12
2.6 Leak Testing ............................................................................................................ 12
2.7 Evacuation ............................................................................................................... 12
3.0 ELECTRICAL CONNECTIONS............................................................... 13
3.1 Electrical Service ..................................................................................................... 13
3.2 Nameplate Ratings .................................................................................................. 13
3.3 Grounding ................................................................................................................ 13
3.4 Voltage Tolerance .................................................................................................... 13
3.5 Auxiliary Control Wiring ............................................................................................ 13
4.0 INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER .......... 14
4.1 Rigging .................................................................................................................... 14
4.2 Locating the Remote Heat Exchanger ...................................................................... 14
4.3 Electrical Service ..................................................................................................... 14
4.4 Air Cooled Condensers - Model DRCU.................................................................... 15
4.4.1 Fan Speed Control ................................................................................................... 15