Table Of Contents - Gree DC Inverter Multi VRF Service Manual

PRODUCT..................................................................................................................................................... 2
1 MODELS LIST .................................................................................................................................. 2
1.1 Outdoor Unit ............................................................................................................................. 2
1.2 Indoor Unit................................................................................................................................ 3
2 NOMENCLATURE ........................................................................................................................... 8
2.1 Nomenclature of outdoor unit ................................................................................................... 8
2.2 Nomenclature of indoor unit ..................................................................................................... 8
3 FUNCTION ........................................................................................................................................ 9
4 PRODUCT DATA ............................................................................................................................ 10
4.1 Product data of outdoor........................................................................................................... 10
4.2 Product data of indoor............................................................................................................. 12
4.3 Operation Range...................................................................................................................... 37
5 PIPING DIAGRAM......................................................................................................................... 38
5.1 Cooling Only........................................................................................................................... 38
5.2 Heat Pump............................................................................................................................... 39
CONTROL .................................................................................................................................................. 41
1 OPERATION FLOWCHART ........................................................................................................ 41
1.1 Cooling/Dry Operation............................................................................................................ 42
1.2 Heating Operation ................................................................................................................... 43
2 MAIN LOGIC .................................................................................................................................. 44
2.1 Control Function of Outdoor Unit........................................................................................... 44
3 WIRELESS REMOTE CONTROLLER....................................................................................... 59
4 WIRED CONTROLLER ................................................................................................................ 62
4.1 Operation and Display View ................................................................................................... 62
4.2 Dimension ............................................................................................................................... 62
4.3 Installation............................................................................................................................... 63
5 MINI CENTRALIZED CONTROLLER (REGION CONTROLLER) ..................................... 64
5.1 Function .................................................................................................................................. 64
5.2 Operation View ....................................................................................................................... 65
5.3 Display View........................................................................................................................... 66
5.4 Connection between Controller and Unit................................................................................ 67
6 CENTRALIZED CONTROLLER ................................................................................................. 68
6.1 Function .................................................................................................................................. 68
6.2 Operation View ....................................................................................................................... 68
6.3 Display View........................................................................................................................... 70
6.4 Communication Network Connection..................................................................................... 71
6.5 Case Study............................................................................................................................... 72
7 MONITORING SOFTWARE ......................................................................................................... 85
7.1 Function .................................................................................................................................. 85
7.2 Connection Between the Computer and the Unit.................................................................... 85
7.3 Hardware................................................................................................................................. 87
INSTALLATION......................................................................................................................................... 94
1 PRECAUTIONS FOR INSTALLATION ...................................................................................... 94
1.1 Precautions for installation...................................................................................................... 94
1.2 Key Points of Installation........................................................................................................ 95
2 FLOW CHART OF INSTALLATION ........................................................................................... 97
3 INSTALLATION OF OUTDOOR UNIT....................................................................................... 98
3.1 Cautions for installation of side discharge outdoor unit.......................................................... 98
3.2 Selection of Installation Site ................................................................................................... 98
3.3 Dimensions Data ..................................................................................................................... 99
3.4 Installation space requirements ............................................................................................... 99
4 INSTALLATION OF INDOOR UNIT ......................................................................................... 102
4.1 Duct Type .............................................................................................................................. 102
4.2 4-way cassett type Unit ......................................................................................................... 109
4.3 Floor Ceiling Type ................................................................................................................ 115
4.4 Wall mounted type ................................................................................................................ 120
4.5 1-way cassett type Unit ......................................................................................................... 122
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