Gree SUPER+ MULTI ULTRA Series Service Manual page 5

Super Free Match
Service Manual
7.9 Electrical Wiring Work for Indoor Unit ............................................................................. 109
8 INSTALLATION OF DRAINAGE PIPELINE ................................................................. 110
8.1 Material Quality Requirements for Condensate Pipe ........................................................ 110
8.2 Key Points for Condensate Pipe Installation ...................................................................... 110
9 Installation of Protective Layer on Connection Pipe ......................................................... 114
MAINTENANCE .................................................................................................... 116
1 Testing Board Introduction ................................................................................................ 116
1.1 Compose of Testing Board ................................................................................................. 116
1.2 Instruction of Function and Data Section .......................................................................... 116
1.3 Process Control Setting ...................................................................................................... 117
2 Troubleshooting ................................................................................................................. 119
2.1 Check before Contacting Maintenance Serviceman .......................................................... 119
2.2 Problem Handling .............................................................................................................. 120
2.3 Error description ................................................................................................................ 120
3 FLOW CHART OF TROUBLESHOOTING .................................................................... 123
3.1 Malfunction display: Current protection ............................................................................ 123
3.2 Malfunction display: High Pressure Protection ................................................................. 124
3.3 Malfunction display: Low Pressure Protection .................................................................. 125
3.4 Malfunction display: Discharge temperature protection .................................................... 126
3.5 Malfunction display: High/Low pressure sensor error ...................................................... 126
3.6 Malfunction display: Communication error ....................................................................... 127
3.7 Malfunction display: Indoor unit water full protection ...................................................... 128
3.8 Malfunction display: Temperature sensor error ................................................................. 128
4 POWER DISTRIBUTION ................................................................................................. 129
4.1 Diagram of Power Distribution .......................................................................................... 129
4.2 Wiring diagram .................................................................................................................. 130
5 THE RESISTANCES OF COMMON TEMPERATURE SENSORS ............................... 137
5.1 15 KΩ ................................................................................................................................. 137
5.2 20 KΩ ................................................................................................................................. 138
5.3 50 KΩ ................................................................................................................................. 139
6 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS .......................... 142
6.1 Outdoor Unit ...................................................................................................................... 142
6.2 Indoor unit .......................................................................................................................... 147
7 EXPLODED VIEWS AND PART LIST............................................................................ 157
7.1 Outdoor unit ....................................................................................................................... 157
7.2 Indoor unit .......................................................................................................................... 159
7.3 BU Module ......................................................................................................................... 185