Table Of Contents - Gree GWHD(48S)NM3DO Owner's Manual

1 Safety Precautions ..................................................................................................................... 1
2 Attention for Installation ........................................................................................................... 3
2.1 Precautions for R410A .................................................................................................. 3
2.2 Precaution for Installation ............................................................................................. 3
2.3 Precaution for Operation Test........................................................................................ 3
2.4 Accessories.................................................................................................................... 3
3 Product Introduction ................................................................................................................. 4
3.1 Names of Main Parts ..................................................................................................... 4
3.2 Combinations for Outdoor and Indoor Units ................................................................ 4
3.3 Parts and Components of Unit ...................................................................................... 5
3.4 Working Temperature Range ......................................................................................... 5
4 Selection of Installation Location and Precautions ................................................................... 6
4.1 Selection of Installation Location ................................................................................. 6
4.2 Outline Dimension of Outdoor Unit.............................................................................. 7
4.3 Installation and Servicing Space ................................................................................... 7
5 Installation Instruction .............................................................................................................. 8
6 Installation of Refrigerant Pipes ............................................................................................... 9
6.1 Allowable Length and Drop Height of Connecting Pipe .............................................. 9
6.2 Dimension of Connecting Pipe ................................................................................... 10
6.3 Connection of Branch Pipe ......................................................................................... 10
6.4 Connection of Refrigerant Pipes ................................................................................. 11
6.5 Connection of Refrigerant Pipe ................................................................................... 12
6.6 Leak Test ..................................................................................................................... 13
6.7 Vacuum Operation ....................................................................................................... 13
6.8 Refrigerant Charging ................................................................................................... 14
7 Electrical Wiring Work ........................................................................................................... 17
7.1 Wiring Connection ...................................................................................................... 17
7.2 Requirements of Power Circuit and Cable .................................................................. 18
7.3 Ground Requirements ................................................................................................. 19
7.4 Precautions of Electrical Wiring Work ........................................................................ 19
7.5 Precaution of Laying Wires ......................................................................................... 20
7.6 Procedures for Electrical Wiring Work ....................................................................... 20
8 Design of Drainage Pipeline ................................................................................................... 21
8.1 Installation of Drain Hose ........................................................................................... 21
8.2 Design of Drainage Pipeline ....................................................................................... 21
9 Installation of Protective Layer ............................................................................................... 22
10 Test Operation ......................................................................................................................... 23
10.1 Check after Installation ............................................................................................... 23
10.2 Test Operation ............................................................................................................. 23
11 Troubleshooting ...................................................................................................................... 24
11.1 Check before Contacting Service Center .................................................................... 24
11.2 Problem Handling ....................................................................................................... 25
Contents
I