Gree GUHD09NK3FO Service Manual page 3

INSTALLATION ........................................................................................... 48
1 INDOOR UNIT INSTALLATION ............................................................................. 48
1.1 Installation of Duct Type....................................................................................................... 48
1.2 Installation of Floor Ceiling Type......................................................................................... 54
1.3 Installation of Cassette Type................................................................................................ 60
2 OUTDOOR UNIT INSTALLATION ......................................................................... 66
3 REFRIGERATION PIPING WORK ........................................................................ 68
3.1 Refrigeration Piping Work Procedures and Caution in Connecting ................................ 68
4 ELECTRIC WIRING WORK................................................................................... 72
4.1 Wiring Precautions ............................................................................................................... 72
4.2 Electrical Wiring .................................................................................................................... 73
MAINTENANCE .......................................................................................... 79
1 TROUBLE TABLE ................................................................................................ 79
1.1 Main Control Malfunction .................................................................................................... 79
1.2 Description of Drive Malfunction......................................................................................... 81
2 FLOW CHART OF TROUBLESHOOTING............................................................ 82
2.1 Troubleshooting Flow Chart of Main Control Malfunction................................................ 82
2.2 Troubleshooting Flow Chart of Drive Malfunction............................................................. 89
2.3 Interface ................................................................................................................................. 95
2.4 IPM, PFC Testing Method ..................................................................................................... 99
3 WIRING DIADRAM .............................................................................................. 101
3.1 Outdoor unit ........................................................................................................................ 101
3.2 Indoor unit ........................................................................................................................... 104
4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS.................. 108
4.1 Outdoor Unit ........................................................................................................................ 108
4.2 Indoor Unit ........................................................................................................................... 113
5 EXPLODED VIEWS AND SPARE PART LIST .................................................... 124
5.1 Outdoor Unit ........................................................................................................................ 124
5.2 Indoor Unit ........................................................................................................................... 136
........................................................................................ 72