Lennox VRF VEC027N432U, Руководство пользователя

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Contents
1 Safety Notices (Please be sure to abide) ................................................................. 1
2 Product Introduction ................................................................................................. 3
2.1 Names of Main Parts ........................................................................................................ 3
2.2 Combinations of Indoor and Outdoor Units ....................................................................... 4
2.3 Operating Range .............................................................................................................. 4
3 Preparation before Installation ................................................................................. 4
3.1 Standard Parts .................................................................................................................. 5
3.2 Installation Site ................................................................................................................. 5
3.3 Piping Work Requirements ............................................................................................... 6
4 Installation Instruction .............................................................................................. 6
4.1 Dimension of Outdoor Unit and Mounting Hole ................................................................. 7
4.2 Connection Pipe ............................................................................................................... 8
4.3 Installation of Connection Pipe.........................................................................................12
4.4 Disassembly of Compressor Feet ....................................................................................16
4.5 Vacuum Pumping, Refrigerant Adding .............................................................................16
4.6 Electric Wiring ..................................................................................................................18
5 Check Items after Installation and Test Operation ................................................ 21
5.1 Check Items after Installation ...........................................................................................21
5.2 Test Operation and Debugging ........................................................................................21
6 Common Malfunctions and Troubleshooting ........................................................ 26
7 Error Indication ........................................................................................................ 27
8 Maintenance and Care ............................................................................................. 29
8.1 Outdoor Heat Exchanger .................................................................................................29
8.2 Drain Pipe ........................................................................................................................30
8.3 Notice before Seasonal Use ............................................................................................30
8.4 Maintenance after Seasonal Use .....................................................................................30
8.5 Parts Replacement ..........................................................................................................30
9 After-sales Service ................................................................................................... 30