Lennox VRF VEHW007C432P, Installation & Operation Instructions

Page: 5 / 20

Contents
1 Safety Precautions ......................................................................................................... 1
2 Product Introduction ....................................................................................................... 2
2.1 Outline of the Unit and Main Parts .............................................................................. 2
2.2 Rated Operating Condition ......................................................................................... 3
3 Installation Instruction .................................................................................................. 3
3.1 Schematic diagram of installation spaces ................................................................... 3
3.2 Requirements for Communication Line ...................................................................... 3
3.3 Electric Installation ..................................................................................................... 4
4 Installation Instructions ................................................................................................... 5
4.1 Installation of Indoor Unit ............................................................................................ 5
4.2 The installation of the rear panel ................................................................................ 5
4.3 Debugging .................................................................................................................. 6
4.4 Preparation of the piping hole ..................................................................................... 6
4.5 Installation of the drainage pipe .................................................................................. 6
4.6 Installation the connection pipes ................................................................................ 7
5 Wiring Work .................................................................................................................... 7
5.1 Connect Cables and Terminals of Wiring Board ......................................................... 7
5.2 Power Cord Connection ............................................................................................. 8
5.3 Connection of Communication Line of IDU and ODU ................................................. 8
5.4 Connection of Communication Line of Wired Controller ............................................. 9
5.5 Illuminate for Connection of Wired Controller and Indoor Units Network ................. 9
5.6 Installation of the indoor unit ....................................................................................... 9
6 The Best Usage Method .............................................................................................. 10
7 Maintenance Method .................................................................................................... 11
7.1 Cleaning panel ......................................................................................................... 11
7.2 Cleaning the air filters ............................................................................................... 11
7.3 Check before the usage season ............................................................................... 12
7.4 Check after the usage season .................................................................................. 12
8 Table of Error Codes for Indoor Unit ............................................................................ 12
9 Malfunction Analyzing .................................................................................................. 13
9.1 Service center .......................................................................................................... 13
9.2 After-sales service .................................................................................................... 14
10 Adjusting Method Of The Air Direction ....................................................................... 14
10.1 Adjusting air direction up and down ........................................................................ 14
10.2 Adjusting air direction left and right ......................................................................... 14