79
80
81
81
82
84
85
85
A-1
.........................................................................
...................................................................................................
................................................................................................
............................................................................................
....................................................................................
............................................................................................
..........................................................................................
............................................................................................
.............................................................................
Page
9. REFRIGERANT R410A:
SPECIAL PRECAUTIONS WHEN SERVICING UNIT
9-1. Characteristics of New Refrigerant R410A
9-2. Checklist before Servicing
9-3. Tools Specifically for R410A
9-4. Tubing Installation Procedures
9-5. In Case of Compressor Malfunction
9-6. In Case Refrigerant is Leaking
9-7. Charging Additional Refrigerant
9-8. Retro-Fitting Existing Systems
APPENDIX A INSTALLATION INSTRUCTIONS
5