Table Of Contents - York DHP30NWB21SDCP30NWB21SDHP36NWB21SDCP36NWB21S Service Manual

Safety Summary
1. Models
............................................................................................................................1
2. Specifications
2.1 Specification Sheet ...........................................................................................................2
2.2 Operation Characteristic Curve ........................................................................................8
2.3 Capacity Variation Ratio According to Temperature .........................................................8
2.4 Noise Curve ......................................................................................................................9
2.5 Cooling and Heating Data Sheet in Rated Frequency .....................................................9
3. Outline Dimension Diagram
3.1 Indoor Unit ......................................................................................................................10
3.2 Outdoor Unit ...................................................................................................................10
4. Refrigerant System Diagram
5. Electrical Part
5.1 Wiring Diagram ...............................................................................................................13
5.2 PCB Printed Diagram .....................................................................................................15
6. Function and Control
6.1 Remote Controller Introduction .....................................................................................17
6.2 Brief Description of Modes and Functions ......................................................................22
7. Wired Zone Controller
8. Troubleshooting
8.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ....................................34
8.2 How to Check the Main Part s.......................................................................................43
8.3 Troubleshooting for Normal Malfunction .......................................................................59
9. Removal Procedures
9.1 Removal Procedures of Indoor Unit .............................................................................61
9.2 Removal Procedures of Outdoor Unit ..........................................................................70
Appendix
........................................................................................................................76
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................76
Appendix 2: Configuration of Connection Pipe ...................................................................76
Appendix 3: Pipe Flaring Method................................... ....................................................77
Appendix 4: List of Resistance for Temperature Sensor.....................................................78
Customer Support

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Service Manual
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