Contents
1 Safety Notices (Please be sure to abide ) ............................................. 1
2 Product Introduction .............................................................................. 3
3 Preparations for Installation................................................................... 3
3.1 Standard Fittings ................................................................................. 3
3.2 Location for Installation ....................................................................... 3
3.3 Requirements for Communication Line ............................................... 4
3.4 Wiring Requirements ........................................................................... 5
4 Installation Instructions .......................................................................... 5
4.1 Installation of Indoor Unit ..................................................................... 5
4.2 Pipe Connection .................................................................................. 7
5 Wire Connection ..................................................................................... 8
5.1 Connection of Wire and Wiring Board Terminal ................................... 8
5.2 Power Cord Connection ...................................................................... 9
5.3 Connection of Communication Line of Heat Storage Module ............ 10
6 General Maintenance ............................................................................ 10
6.1 Maintenance Before Use-season ...................................................... 11
6.2 Maintenance After Use-season ......................................................... 11
7 Malfunction Codes of IDU .................................................................... 11
8 Troubleshooting .................................................................................... 11
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