xviii Chapter 55 Servicing Commercial Systems .............................1456 55.1 System Service Fundamentals .............1457 55.2 Servicing Motors and Compressors .................................1462 55.3 Servicing Condensers ..........................1466 55.4 Servicing Liquid Lines ...........................1473 55.5 Servicing Evaporators........................... 1474 55.6 Servicing Valves ...................................1476 55.7 Reconditioning Equipment after a Flood ..........................................1480 Appendices ....................................................1484 Appendix A: Service Information ....................1485 Appendix B: Troubleshooting Charts ..............1489 Appendix C: Refrigerants ................................1502 Appendix D: Electricity and Electronics ..........1512 Appendix E: Heat, Temperature, and Pressure ...................................................1513 Appendix F: Equivalent Charts ........................1518 Appendix G: EPA Certification ........................1526 Appendix H: HVACR-Related Associations and Organizations ......................1533 Glossary .........................................................1535 Index ..............................................................1576