特灵ch530技术说明 (2)

1、Service Alert RTHD and RTAC Control Operation, Setup and Troubleshooting for RTAC and RTHD Units with Tracer CH530 Controls The 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 microprocessor. This bulletin is intended to serve as a supplement to the RTAC an

2、d 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 units. Diagnostic Troubleshooting Repair November 2005RLC-SVD05A-EN Warnings and Cautions 2005 American Standard Inc. All rights reservedRLC-SVD05A-EN Important - Read This First! This manual is intended for experienced service personnel familiar with the proper use of electrical diagnostic instruments and all personal saf

3、ety procedures when working on live electrical circuits. This Manual is not intended for individuals who have not been properly trained in handling live electrical circuits. Important Environmental Concerns! Scientific research has shown that certain man-made chemicals can affect the earths naturally occurring stratospheric ozone layer when released to the atmosphere. In particular, several of the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine, Fluori

4、ne and Carbon (CFCs) and those containing Hydrogen, Chlorine, Fluorine and Carbon (HCFCs). Not all refrigerants containing these compounds have the same potential impact to the environment. Trane advocates the responsible handling of all refrigerants including industry replacements for CFCs such as HCFCs and HFCs. Responsible Refrigerant Practices! Trane believes that responsible refrigerant practices are important to the environment, our customers, and the air conditioning industry. All technic

5、ians who handle refrigerants must be certified. The Federal Clean Air Act (Section 608) sets forth the requirements for handling, reclaiming, recovering and recycling of certain refrigerants and the equipment that is used in these service procedures. In addition, some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants. Know the applicable laws and follow them. ? WARNING Contains Refrigerant! System contains oil and re

6、frigerant under high pressure. Recover refrigerant to relieve pressure before opening the system. See unit nameplate for refrigerant type. Do not use non-approved refrigerants, refrigerant substitutes, or refrigerant additives. Failure to follow proper procedures or the use of non-approved refrigerants, refrigerant substitutes, or refrigerant additives could result in death or serious injury or equipment damage. NOTICE: Warnings and Cautions appear at appropriate sections throughout this literat

7、ure. Read these carefully. ? WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. ?CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices. CAUTION: Indicates a situation that may result in equipment or property- damage only accidents. RLC-SVD05A-EN3 CH530 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8、. . . . . . . . . . . . . . . . . . . . . . . 5 Main Processor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Starter Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Power Supply Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 LLIDs (Low Level Intelligent Devices) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9、 . . . . 5 IPC Overview and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Installing a LLID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Bus connection crimping procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Procedure for installing caps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Troubleshooting problems with multiple LLIDS . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Temperature Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 Sensor Checkout Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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