7.9 Safety operation of ammable refrigerant .............................................35
7.10 Refrigerant charging ...........................................................................36
7.11 Removal of the compressor ................................................................36
7.12 Freeze protection ................................................................................37
7.13 Routine maintenance ..........................................................................37
7.14 Precautions .........................................................................................38
8 Troubleshooting and after-sales service .......................................................43
8.1 Troubleshooting measures ....................................................................43
8.2 After-sales service ................................................................................45
Appendix A: Inspection records prior to commissioning ..................................46
Appendix B: Trial run and commissioning records ..........................................47