Transcription of RTHD and RTAC - Trane
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Service AlertRTHD and RTACC ontrol Operation, Setup and Troubleshooting for RTAC and RTHD Units with Tracer CH530 ControlsThe purpose of this bulletin is to provide control operation and general troubleshooting information on the RTAC Air Cooled Chillers and RTHD Water Cooled Chillers with the CH530 controls. It is recommended that the service technician be familiar with the CH530 operation prior to servicing the bulletin is intended to serve as a supplement to the RTAC and RTHD IOMs, the installation, operation and maintenance manuel. Subjects covered in this bulletin are intended to provide more comprehensive information for the RTAC and RTHD Troubleshooting RepairNovember 2005 RLC-SVD05A-ENWarnings and Cautions 2005 American Standard Inc. All rights reservedRLC-SVD05A-ENImportant - Read This First!
hall-effect sensor, which is activated by a magnetic field of the proper polarity (South Pole). The LED should seem to be brighter when the magnet is in proximity with the hall effect service switch and should stay on, but appear dimmer when the magnet is removed. The LLID is said to be “selected” in this state
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