York Y9USC-09 B5R - Default Chapter; Table of Contents

Service manual
1. Precaution ........................................................................................................................................................................................... 2
1.1 safety Precaution............................................................................................................................................................................... 2
1.2 WARNING ......................................................................................................................................................................................... 2
1.3 CAUTION .......................................................................................................................................................................................... 2
1.4 FEATURES ....................................................................................................................................................................................... 3
1.5 DIAGRAM PANEL............................................................................................................................................................................. 3
1.6 OUTSIDE DIMENSIONS .................................................................................................................................................................. 3
1.7 SPECIFICATION............................................................................................................................................................................... 4
2 INSTALLATION .................................................................................................................................................................................. 10
2.1 SELECT THE BEST LOCATION .................................................................................................................................................... 10
2.2 CHECK OFF INSTALLATION......................................................................................................................................................... 10
2.3 HOW TO DRAIN ............................................................................................................................................................................. 11
2.4. HOW TO INSTALL ......................................................................................................................................................................... 11
3 REFRIGERANT CYCLE DIAGRAM .................................................................................................................................................. 13
4 OPERATION LIMITS.......................................................................................................................................................................... 14
4.1 COOLING OPERATION ................................................................................................................................................................. 14
4.2HEATING OPERATION ................................................................................................................................................................... 14
5. TROUBLESHOOTING ................................................................................................................................................................... 17