York YFKN18BZNREUH1 - Table of Contents

Contents
Alert Symbols.........................................................................................................................................................
Caution Statements................................................................................................................................................
Composition of the Air-Conditioner.........................................................................................................................3.
Operation Manual
Special Remarks...................................................................................................................................................5
Trouble shooting....................................................................................................................................................5
Diagram of Refrigerant Cycle & Wiring
1.Refrigerant Flow Diagram...................................................................................................................7
2.Electrical Wiring Diagram....................................................................................................................................7
Installation and Maintenance
1.Safety Notice...................................................................................................................................................... 8.
2.The Tools and Instruments for Installation........................................................................................................ 9
3.The Installation of the Indoor Unit...................................................................................................................... 9.
3.1 Before Installation......................................................................................................................................9
3.2 Installation Location................................................................................................................................. 11
3.3 Installation.................................................................................................................................................11
4.Refrigerant Piping..............................................................................................................................................14
4.1 The Piping Material...................................................................................................................................14
4.2 Piping Connection ...................................................................................................................................14
5.Drain Piping.......................................................................................................................................................15
6.Electrical wiring..................................................................................................................................................16
7.Attaching the Air Return Grille............................................................................................................................16
8. The Installation of the Outdoor Unit ..................................................................................................................17
8.1 Installation Sites....................................................................................................................................... 17
8.2 Installation of the Outdoor Unit.................................................................................................................17
9.Refrigerantp iping...............................................................................................................................................18
9.1 Flaring with Tube Expander..................................................................................................................... 18
9.2 Connecting piping Between Indoor and Outdoor Units ............................................................................18
9.3 Heat Insulation of the Refrigerant Tube....................................................................................................18
9.4 Taping the Piping ........................................................................................................................................18
9.5 Finishing the Installation...........................................................................................................................18
10.Air Purging and Test Run.................................................................................................................................18
10.1 Air Purging with a Vacuum Pump............................................................................................................18
10.2 Leak Test.................................................................................................................................................19
10.3 Tidying Up the piping .............................................................................................................................19
10.4 Test Run.................................................................................................................................................19
10.5 Electrical installation...............................................................................................................................20
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