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Download Marley Cooling Tower Basic Control System User Manual
Transcript
Table of Contents Introduction.................................................................................................................2 Safety............................................................................................................................3 Factory Installation.....................................................................................................4 Field Connection........................................................................................................6 AquaTower...........................................................................................................6 NC Tower – Standard.......................................................................................7 NC Tower – Motor Outside Option...............................................................7 NC Tower – Modular.........................................................................................8 Field Connection..................................................................................................... 10 Field Installed Systems – Single Speed Motor........................................ 10 Field Installed Systems – Two Speed Motor............................................ 11 Control System Operation.................................................................................... 12 Single Speed Manual..................................................................................... 12 Two Speed Manual......................................................................................... 13 Single Speed Automatic............................................................................... 14 Two Speed Automatic.................................................................................... 16 System Maintenance.............................................................................................. 18 Contacts............................................................................................................ 18 Coils................................................................................................................... 18 Fuses and Thermal Overloads..................................................................... 18 Visual Inspections........................................................................................... 18 Single Speed Wiring Details – 3 Phase............................................................ 19 Two Speed Wiring Details.................................................................................... 20 AC Starter Wiring Schematic.............................................................................. 22 Parts List Single Speed Motor....................................................................................... 31 Two Speed Motor............................................................................................39 Trouble Shooting.....................................................................................................44 3
