9. CHECKING ELECTRICAL COMPONENTS9-1. Measurement of Insulation Resistance9-2. Checking Continuity of Fuse on PCB Ass'y10. REFRIGERANT R410A:SPECIAL PRECAUTIONS WHEN SERVICING UNIT10-1. Characteristics of New Refrigerant R410A10-2. Checklist before Servicing10-3. Tools Specifically for R410A10-4. Tubing Installation Procedures10-5. In Case of Compressor Malfunction10-6. In Case Refrigerant is Leaking10-7. Charging Additional Refrigerant10-8. Retro-Fitting Existing SystemsAPPENDIX A Operating InstructionsAPPENDIX B INSTALLAION INSTRUCTIONS51525354555556585959A-1A-2.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Page5