Gree GUD50ZD/A-T

CONTENTS
1. SAFETY NOTICE ON MAINTENANCE ......................................................................................................... 1
2. SAFETY NOTICE ON OPERATION ............................................................................................................... 2
1. PRODUCT INTRODUCTION ............................................................................................................................ 3
1.1 Lists of Units ..................................................................................................................................................................... 3
1.1.1 List of ODUs ....................................................................................................................................................................... 3
1.1.2 List of IDUs ......................................................................................................................................................................... 4
1.2 Electrical Parameters ........................................................................................................................................................ 8
2. CONTROL ............................................................................................................................................................... 9
2.1 Operation Mode ............................................................................................................................................................... 9
2.1.1 Cooling Mode ..................................................................................................................................................................... 9
2.1.2 Heating Mode ................................................................................................................................................................... 10
2.2 Control Mode ................................................................................................................................................................. 10
2.2.1 Based Control ................................................................................................................................................................... 10
2.2.2 Special Control ................................................................................................................................................................. 11
2.2.3 Protection Control ............................................................................................................................................................ 12
2.3 Functions ....................................................................................................................................................................... 12
2.3.1 Setting of Filter Cleaning Reminder .............................................................................................................................. 12
2.3.2 Low-temperature Drying Function ................................................................................................................................. 13
2.3.3 Child-lock Function .......................................................................................................................................................... 13
2.3.4 Memory Function ............................................................................................................................................................. 13
2.3.5 Door Control Function ..................................................................................................................................................... 13
2.3.6 Switch between Fahrenheit and Degree Celsius ........................................................................................................ 14
2.3.7 Inquiry of Ambient Temperature ..................................................................................................................................... 14
2.3.8 Inquiry of Historical Malfunction ..................................................................................................................................... 14
2.3.9 Debugging Function ........................................................................................................................................................ 14
2.3.10 Connect to Interface of Centralized Control .............................................................................................................. 17
3. TROUBLESHOOTING ......................................................................................................................................19
3.1 Wiring Diagrams ............................................................................................................................................................. 19
3.1.1 Wiring Diagrams of ODUs .............................................................................................................................................. 19
3.1.2 Wiring Diagrams of IDUs ................................................................................................................................................ 23
3.2 PCB Layout ..................................................................................................................................................................... 26
3.2.1 Interface ............................................................................................................................................................................ 26
3.2.2 IPM,PFC Testing Method ................................................................................................................................................ 37
3.3 Error Code ...................................................................................................................................................................... 39