Trane RTAC 140-400 ton units (50 HZ), RTAC 140-500 ton units (60 Hz), Series R Air-Cooled Helical Rotary Liquid Chillers manual - page 3

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