Table Of Contents - York JVOHQ Series Installation & Maintenance Manual

Table of Contents

1.Safety Instruction .................................................................................................................................................. 1

2. Structure .............................................................................................................................................................. 4

2.1 Outdoor Unit and Refrigerating System ........................................................................................................ 4

2.2 Tools and Instruments Required for Installation ............................................................................................ 4

3. Prepare Before Installation .................................................................................................................................. 6

3.1 Outdoor Model Number ................................................................................................................................. 6

3.2 Combination of Indoor Unit and Outdoor Unit ............................................................................................... 7

4. Transport and Handling ....................................................................................................................................... 9

4.1 Transport ....................................................................................................................................................... 9

4.2 Lifting Method .............................................................................................................................................. 10

5. Installation of Outdoor Unit ................................................................................................................................ 12

5.1 Factory Accessories .................................................................................................................................... 12

5.2 Installation ................................................................................................................................................... 13

5.3 Maintenance Space ..................................................................................................................................... 14

5.4 Foundation .................................................................................................................................................. 16

5.5 Condensation Water Treatment ................................................................................................................... 18

6. The Refrigerant Piping Construction ................................................................................................................. 19

6.1 Piping Material ............................................................................................................................................. 19

6.2 Flare and Joints ........................................................................................................................................... 22

6.3 Precautions for Installation of Outdoor Unit ................................................................................................. 23

6.4 System Piping Connection .......................................................................................................................... 25

7. Electrical Wiring ................................................................................................................................................. 39

7.1 General Check ............................................................................................................................................ 39

7.2 Wiring .......................................................................................................................................................... 42

7.3 Outdoor Unit Wiring ..................................................................................................................................... 44

7.4 Electrical Wiring for Indoor and Outdoor Unit .............................................................................................. 46

7.5 Outdoor DIP Switch Setting ......................................................................................................................... 48

8. Additional Refrigerant Charge ........................................................................................................................... 53

8.1 Air Tightness Test ........................................................................................................................................ 53

8.2 Vacuum ....................................................................................................................................................... 54

8.3 Calculating Refrigerant's Additional Charge ................................................................................................ 54

8.4 Charging Operation ..................................................................................................................................... 56

9. Test Run ............................................................................................................................................................ 58

9.1 Prerequisites for Test Run ........................................................................................................................... 58

9.2 Trial Run ...................................................................................................................................................... 59

10. Compressor Protection .................................................................................................................................... 64

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