Johnson Controls YVAHR192B32S - Default Chapter; Table of Contents

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P5417009-rev.6
TABLE OF CONTENTS
1. Introduction ........................................................................................................................................................... 1
2. Important Safety Instructions ................................................................................................................................ 1
3. Before Installation ................................................................................................................................................. 6
3.1 Factory-Supplied Accessories ...................................................................................................................... 6
3.2 Necessary Tools and Instrument List for Installation .................................................................................... 7
3.3 Flaring and Joint ........................................................................................................................................... 9
3.4 Line-Up of Outdoor Units .............................................................................................................................11
3.5 Combinations of Indoor Units and Outdoor Units ....................................................................................... 12
3.6 Caution about Outdoor Unit Installation ..................................................................................................... 14
3.7 Piping Work between Outdoor Units .......................................................................................................... 14
4. Outdoor Unit Installation ..................................................................................................................................... 15
4.1 Installation Location and Precautions ......................................................................................................... 15
4.2 Service Space ............................................................................................................................................ 16
5. Transportation and Installation Work .................................................................................................................. 19
5.1 Transportation ............................................................................................................................................ 19
5.2 Handling of Outdoor Unit ............................................................................................................................ 22
5.3 Installation Work ......................................................................................................................................... 22
5.3.1 Concrete Foundations ...................................................................................................................... 22
5.3.2 Condensate Treatment ..................................................................................................................... 24
6. Refrigerant Piping Work ...................................................................................................................................... 26
6.1 Piping Materials .......................................................................................................................................... 27
6.2 Piping Connection Work ............................................................................................................................. 30
6.2.1 Stop Valve ........................................................................................................................................ 30
6.2.2 Piping Connection Method ................................................................................................................ 32
6.3 Piping Work between Outdoor Units .......................................................................................................... 35
6.4 Piping Sizes between Outdoor Units .......................................................................................................... 38
6.5 Piping Size and Multi-Kit Selection ............................................................................................................. 40
6.6 Multi-Kit Connection ................................................................................................................................... 51
7. Electrical Wiring .................................................................................................................................................. 52
7.1 General Check ........................................................................................................................................... 53
7.2 Electrical Wiring Connection ...................................................................................................................... 54
7.3 Electrical Wiring for Outdoor Unit ............................................................................................................... 57
7.4 Electrical Wiring Connections of Indoor Unit, Outdoor Unit, and Change-Over Box .................................. 59
7.5 DIP Switch Setting of Outdoor Unit ............................................................................................................ 62
8. Additional Refrigerant Charge ............................................................................................................................. 66
8.1 Airtight Test ................................................................................................................................................. 66
8.2 Vacuuming .................................................................................................................................................. 68
8.3 Charging Work ........................................................................................................................................... 69
8.4 Additional Refrigerant Charge Calculation ................................................................................................. 71
9. Test Run .............................................................................................................................................................. 73
9.1 Before Test Run .......................................................................................................................................... 73
9.2 Test Run ..................................................................................................................................................... 74
10. Safety and Control Device Setting ...................................................................................................................... 81