Table Of Contents - Gree KM48H4O Service Manual

PRODUCT ................................................................................................................... 2
1 MODELS LIST ...................................................................................................................... 2
1.1 Outdoor Unit .......................................................................................................................... 2
1.2 BU Module ............................................................................................................................. 2
1.3 Indoor Unit ............................................................................................................................. 3
2 NOMENCLATURE ............................................................................................................... 5
2.1 Nomenclature of Outdoor Unit .............................................................................................. 5
2.2 Nomenclature of BU Module ................................................................................................. 5
2.3 Nomenclature of Indoor Unit ................................................................................................. 5
3 FUNCTION ........................................................................................................................... 6
4 PRODUCT DATA .................................................................................................................. 7
4.1 Product Data of Outdoor Unit ................................................................................................ 7
4.2 Product Data of Indoor Unit................................................................................................... 8
4.3 Product Data of BU Module ................................................................................................ 14
5 Working Temperature Range ............................................................................................... 14
6 PIPING DIAGRAM ............................................................................................................. 15
Control ........................................................................................................................ 16
1 OPERATION FLOWCHART ............................................................................................ 17
1.1 Cooling/Dry Operation ........................................................................................................ 18
1.2 Heating Operation ................................................................................................................ 19
2 MAIN LOGIC ...................................................................................................................... 20
2.1 Control Function of Outdoor Unit ...................................................................................... 20
2.2 Protection Function .............................................................................................................. 21
2.3 Other function ...................................................................................................................... 22
2.4 Control Function of Indoor Unit ......................................................................................... 23
3 REMOTE CONTROLLER ................................................................................................. 24
3.1 Wired Remote Controller ..................................................................................................... 24
3.2 Wireless Remote Controller YT1F (MOTO) ...................................................................... 31
3.3 Wireless Remote Controller YAA1FB1F ........................................................................... 34
3.4 Wireless Remote Controller YAG1FBF ............................................................................. 38
3.5 Wireless Remote Controller YB1FAF (XFAN) ................................................................. 44
4 Smart Zone Controller (CE50-24/E) ................................................................................... 47
4.1 General Introduction ............................................................................................................. . 47
4.2 Communication Network .................................................................................................... 48
4.3 LCD ............................................................................................................................ . ...........48
4.4 Buttons ..................................................................................................................................49
INSTALLATION ....................................................................................................... 51
1 PRECAUTIONS FOR INSTALLATION .......................................................................... 52
1.1 Precautions for Installation .................................................................................................. 54
1.2 Key Points of Installation ..................................................................................................... 54
2 FLOW CHART OF INSTALLATION .............................................................................. 56
Contents