Gree SUPER+ MULTI ULTRA Series

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Super Free Match

Service Manual

MAINTENANCE

129

4 POWER DISTRIBUTION

4.1 Diagram of Power Distribution

(The thick line represents power line while thin line represents the control line.)

Main Page

Table of Contents3
Product8
Models List8
Outdoor Unit8
BU Module8
Indoor Unit9
Nomenclature11
Nomenclature of Outdoor Unit11
Nomenclature of BU Module11
Nomenclature of Indoor Unit11
Function12
Product Data13
Product Data of Outdoor Unit13
Product Data of Indoor Unit14
Product Data of BU Module22
Working Temperature Range22
Piping Diagram23
Control25
Operation Flowchart25
Cooling/Dry Operation26
Heating Operation27
Main Logic28
Control Function of Outdoor Unit28
Protection Function29
Other Function30
Control Function of Indoor Unit31
Remote Controller34
Wired Remote Controller34
Wireless Remote Controller YT1F (MOTO)39
Wireless Remote Controller YAA1FB1F42
Wireless Remote Controller YAG1FBF46
Wireless Remote Controller YB1FAF (XFAN)52
Smart Zone Controller (CE50-24/E)55
General Introduction55
Communication Network56
Lcd56
Buttons57
Installation60
Precautions for Installation60
Key Points of Installation62
Flow Chart of Installation64
Outdoor Unit Installation65
Precautions for R410A65
Precaution for Installation65
Precaution for Operation Test65
Names of Main Parts65
Parts and Components of Unit66
Selection of Installation Location66
Outline Dimension of the Outdoor Unit67
Installation and Servicing Space67
Installation of the Outdoor Unit68
Indoor Unit Installation69
Installation of Wall Mounted Type69
Installation of Duct Type71
Installation of Cassette Type79
Installation of Floor Ceiling Type84
Installation of Console Type87
Bu Module Installation92
Precaution for Installation92
Names of Main Parts92
Selection of Installation Location93
Outline Dimension and Servicing Space of FXA2A-D94
Outline Dimension and Servicing Space of FXA2B-D95
Outline Dimension and Servicing Space of FXA3A-D96
Outline Dimension and Servicing Space of FXA3B-D97
Outline Dimension and Servicing Space of FXB5A-D98
Installation Instruction99
Refrigeration Piping Work100
Allowable Length and Drop Height of Connecting Pipe100
Dimension of Connecting Pipe100
Connection of Branch Pipe101
Design Requirements for Oil Trap101
Connection of Outdoor Unit Refrigerant Pipe103
Installation of Piping Adapter103
Precaution for Connection105
Leak Test107
Vacuum Operation107
Refrigerant Charging108
Electrical Wiring Work111
Wiring Connection111
Requirements of Power Circuit and Cable111
Ground Requirements112
Precautions of Electrical Wiring Work112
Precaution of Laying Wires112
Electrical Wiring Work for Outdoor Unit113
Electrical Wiring Work for BU Module113
Instructions for DIP Switch115
Electrical Wiring Work for Indoor Unit115
Installation of Drainage Pipeline116
Material Quality Requirements for Condensate Pipe116
Key Points for Condensate Pipe Installation116
Installation of Protective Layer on Connection Pipe120
Maintenance122
Testing Board Introduction122
Compose of Testing Board122
Instruction of Function and Data Section122
Process Control Setting123
Troubleshooting125
Check before Contacting Maintenance Serviceman125
Problem Handling126
Error Description126
Flow Chart of Troubleshooting129
Malfunction Display: Current Protection129
Malfunction Display: High Pressure Protection130
Malfunction Display: Low Pressure Protection131
Malfunction Display: Discharge Temperature Protection132
Malfunction Display: High/Low Pressure Sensor Error132
Malfunction Display: Communication Error133
Malfunction Display: Indoor Unit Water Full Protection134
Malfunction Display: Temperature Sensor Error134
Power Distribution135
Diagram of Power Distribution135
Wiring Diagram136
The Resistances of Common Temperature Sensors143
15 Kω143
20 Kω144
50 Kω145
Disassembly and Assembly Procedure of Main Parts148
Outdoor Unit148
Indoor Unit153
Exploded Views and Part List163
Outdoor Unit163
Indoor Unit165
BU Module191

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