Gree GWHD(48S)NM3CO Service Manual page 3

Super Free Match
Service Manual
2 FLOW CHART OF INSTALLATION.................................................................................65
3 OUTDOOR UNIT INSTALLATION ..................................................................................66
3.1 Precautions for R410A.........................................................................................................66
3.2 Precaution for Installation....................................................................................................66
3.3 Precaution for Operation Test ..............................................................................................66
3.4 Names of Main Parts............................................................................................................66
3.5 Parts and Components of Unit .............................................................................................67
3.6 Selection of Installation Location ........................................................................................67
3.7 Outline Dimension of the Outdoor Unit ..............................................................................68
3.8 Installation and Servicing Space ..........................................................................................68
3.9 Installation of the Outdoor Unit ...........................................................................................69
4 INDOOR UNIT INSTALLATION ......................................................................................70
4.1 Installation of Wall Mounted Type.......................................................................................70
4.2 Installation of Duct Type......................................................................................................72
4.3 Installation of Cassette Type ................................................................................................80
4.4 Installation of Floor Ceiling Type ........................................................................................85
4.5 Installation of Console Type ................................................................................................88
5 BU MODULE INSTALLATION.........................................................................................93
5.1 Precaution for Installation....................................................................................................93
5.2 Names of Main Parts............................................................................................................93
5.3 Selection of Installation Location ........................................................................................93
5.4 Outline Dimension and Servicing Space of FXB3A-K .......................................................94
5.5 Outline Dimension and Servicing Space of FXB5A-K .......................................................95
5.6 Installation Instruction .........................................................................................................96
6 REFRIGERATION PIPING WORK ...................................................................................97
6.1 Allowable Length and Drop Height of Connecting Pipe.....................................................97
6.2 Dimension of Connecting Pipe ............................................................................................97
6.3 Connection of Branch Pipe ..................................................................................................98
6.4 Design Requirements for Oil Trap .......................................................................................98
6.5 Connection of Outdoor Unit Refrigerant Pipe ...................................................................100
6.6 Installation of Piping Adapter ............................................................................................100
6.7 Precaution for Connection .................................................................................................101
6.8 Leak Test ............................................................................................................................103
6.9 Vacuum Operation..............................................................................................................103
6.10 Refrigerant Charging...................................................................................................104
7 Electrical Wiring Work.......................................................................................................107
7.1 Wiring Connection .............................................................................................................107
7.2 Requirements of Power Circuit and Cable.........................................................................108
7.3 Ground Requirements ........................................................................................................108
7.4 Precautions of Electrical Wiring Work ..............................................................................108
7.5 Precaution of Laying Wires................................................................................................109
7.6 Electrical Wiring Work for Outdoor Unit ..........................................................................109
7.7 Electrical Wiring Work for BU Module............................................................................. 110
7.8 Instructions for DIP Switch................................................................................................ 112
7.9 Electrical Wiring Work for Indoor Unit ............................................................................. 112
8 INSTALLATION OF DRAINAGE PIPELINE ................................................................. 113