RTAC-SVX01F-EN 3
Table of Contents
General Information............................................................................................. 7
Literature History.................................................................................................... 7
Unit Identification - Nameplates ............................................................................. 7
Unit Inspection ....................................................................................................... 8
Inspection Checklist ............................................................................................... 8
Loose Parts Inventory ............................................................................................ 8
Unit Description...................................................................................................... 8
Installation - Mechanical..................................................................................... 28
Installation Responsibilities ................................................................................... 28
Nameplates ........................................................................................................... 28
Outdoor Unit Nameplate ....................................................................................... 28
Compressor Nameplate ........................................................................................ 28
Storage .................................................................................................................. 29
General .................................................................................................................. 29
Location Requirements ......................................................................................... 29
Setting the Unit ..................................................................................................... 29
Isolation and Sound Emission ............................................................................... 36
Noise Considerations ............................................................................................ 37
Foundation............................................................................................................. 38
Clearances ............................................................................................................. 38
Unit Isolation and Leveling .................................................................................... 41
Neoprene Isolator Installation................................................................................ 41
Drainage ................................................................................................................ 41
Evaporator Water Piping........................................................................................ 41
Evaporator Piping .................................................................................................. 41
Entering Chilled Water Piping................................................................................ 42
Leaving Chilled Water Piping................................................................................. 42
Evaporator Drain.................................................................................................... 42
Evaporator Flow Switch......................................................................................... 42
Evaporator Water Pressure Drop RTAC 140 - 250 Ton ......................................... 43
Evaporator Water Pressure Drop RTAC 250 - 500 Ton ......................................... 44
Water Pressure Gauges ........................................................................................ 45
Water Pressure Relief Valves ................................................................................ 46
Freeze Protection .................................................................................................. 46
Low Evaporator Refrigerant Cutout and % Glycol Recommendations ................. 46
Procedure .............................................................................................................. 46
Important ............................................................................................................... 47
Specials ................................................................................................................. 47
Installation - Mechanical
Remote Evaporator Option ................................................................................ 49
Line Sizing ............................................................................................................. 53
Liquid Line Sizing Steps ........................................................................................ 54
Example Liquid Line Sizing.................................................................................... 55
Suction Line Sizing Steps ...................................................................................... 56
Example Suction Line Sizing.................................................................................. 56
Suction Accumulator Sizing................................................................................... 57
Example of Suction Accumulator Line Sizing ........................................................ 57
Piping Installation Procedures ............................................................................... 57
Refrigerant Sensors............................................................................................... 58
Refrigerant Pressure Relief Valve Venting............................................................. 58