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Contents

1 Safety Precautions ........................................................................................................................ 1

2 Product Introduction .................................................................................................................... 3

2.1 Outline of the Unit and Main Parts .............................................................................. 3

2.2 Rated Operating Condition ......................................................................................... 3

3 Installation Instruction .............................................................................................................. 3

3.1 Schematic diagram of installation spaces ................................................................... 4

3.2 Requirements for Communication Line ...................................................................... 4

3.3 Wiring Requirements .................................................................................................. 5

4 Installation Instructions ................................................................................................................ 7

4.1 Installation of Indoor Unit ............................................................................................ 7

4.2 The installation of the rear panel ................................................................................ 8

4.3 Debugging .................................................................................................................. 8

4.5 Installation of the drainage pipe .................................................................................. 9

4.6 Installation the connection pipes ................................................................................ 9

5 Wiring Work ................................................................................................................................. 9

5.1 Connect Cables and Terminals of Wiring Board ....................................................... 10

5.2 Power Cord Connection ........................................................................................... 10

5.3 Connection of Communication Line of IDU and ODU ............................................... 11

5.4 Connection of Communication Line of Wired Controller ........................................... 11

5.5 Illuminate for Connection of Wired Controller and Indoor Units Network ............... 12

5.6 Installation of the indoor unit ..................................................................................... 12

6 The Best Usage Method ............................................................................................................. 13

7 Maintenance Method ................................................................................................................. 13

7.1 Cleaning panel ......................................................................................................... 13

7.2 Cleaning the air filters ............................................................................................... 14

7.3 Check before the usage season ............................................................................... 14

7.4 Check after the usage season .................................................................................. 15

8 Table of Error Codes for Indoor Unit .......................................................................................... 15

9 Malfunction Analyzing ................................................................................................................ 15

9.1 Service center .......................................................................................................... 16

9.2 After-sales service .................................................................................................... 16

10 Adjusting Method Of The Air Direction .................................................................................... 16

10.1 Adjusting air direction up and down ........................................................................ 16

10.2 Adjusting air direction left and right ......................................................................... 16

Lennox VEHW007N432T User Manual

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