Table of Contents
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1 Safety Precautions ..................................................................................................... 1
2 Product Introduction ................................................................................................... 2
2.1 Names of Key Components ................................................................................... 2
2.2 Overall System Connection Diagram ...................................................................... 2
2.3 Standard Fittings ................................................................................................... 3
2.4 Specifications ........................................................................................................ 4
2.5 Recommended Selection of Air Handling Unit ........................................................ 6
3 Preparations for Installation ..................................................................................... 10
3.1 Before Installation ............................................................................................... 10
3.2 Location for Installation ........................................................................................ 11
3.3 Requirements for Communication W ire ................................................................ 12
3.4 Wiring Requirements ........................................................................................... 14
3.5 Piping Requirements ........................................................................................... 14
3.6 Capacity Setting .................................................................................................. 17
4 Installation Instructions ............................................................................................ 18
4.1 Unit Dimensions and Maintenance Space............................................................. 18
4.2 EXV Installation .................................................................................................. 21
4.3 Installation of the EXV Cable ............................................................................... 24
4.4 Piping Installation ................................................................................................ 24
4.5 Installation of the Control Box .............................................................................. 26
4.6 Installation of the Temperature Sensors ............................................................... 28
4.7 Installation of W ired Controller ............................................................................ 31
5 Wire Connection ...................................................................................................... 32
5.1 Connect Cables and Terminals of W iring Board .................................................... 32
5.2 Power Cord Connection ....................................................................................... 33
Unit) ............................................................................................................................... 34
5.4 Connect Communication W ire of Wired Controller ................................................ 35
6 Function Setting ....................................................................................................... 37
6.1 Statement on Linkage Function Setting ................................................................ 37
6.2 Fresh air Function Setting ................................................................................... 37
6.3 Selection of Controller ......................................................................................... 39
7 Operation and Maintenance ..................................................................................... 45
7.1 Before Operation ................................................................................................. 45
7.2 Test Operation .................................................................................................... 45
7.3 Routine Maintenance ........................................................................................... 46
7.4 Disposal Requirements ........................................................................................ 46
8 Table of Error Codes for Indoor Unit ......................................................................... 47
9 Troubleshooting ....................................................................................................... 48
Contents
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Table of Contents
