Haier MRV III-C(T3) 380V Bruksanvisning

Haier Luftkonditionering MRV III-C(T3) 380V

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SYJS-05-2016 REV.A Edition: 2016-05

Service Manual

MRV III-C(T3) 380V

CONTENTS

1. General Information ................................................................................................................................................. 1

1.1 Indoor / outdoor models ...................................................................................................................................... 1

1.2 External appearance ........................................................................................................................................... 2

1.3 Combination of outdoor units .............................................................................................................................. 7

1.4 Products code explanation .................................................................................................................................. 8

1.5 Capacity range .................................................................................................................................................... 9

1.6 Features ............................................................................................................................................................ 10

2. Specication .......................................................................................................................................................... 16

3. Dimension.............................................................................................................................................................. 30

3.1 Single unit .......................................................................................................................................................... 30

3.2 Combined outdoor units .................................................................................................................................... 31

3.3 Installation space ............................................................................................................................................... 35

4. Piping Diagram ...................................................................................................................................................... 37

5. Wiring Diagram ...................................................................................................................................................... 40

6. Capacity Calculation Due to Capacity Modication Coefcient ............................................................................. 42

7. Operation Range ................................................................................................................................................... 46

8. Sound Level........................................................................................................................................................... 47

9. Outdoor Piping Installation .................................................................................................................................... 48

9.1 Precaution ......................................................................................................................................................... 48

9.2 Piping system .................................................................................................................................................... 52

9.3 Branch pipe ....................................................................................................................................................... 60

9.4 Gather pipe ....................................................................................................................................................... 62

9.5 Pipe installation ................................................................................................................................................. 63

9.6 Leakage testing ................................................................................................................................................. 66

9.7 Evacuation ......................................................................................................................................................... 66

9.8 Check valve operation ....................................................................................................................................... 67

9.9 Additional refrigerant charging ........................................................................................................................... 68

9.10 Utilized tool comparisons for MRVIII R22 and R410A ..................................................................................... 69

9.11 Trial running ..................................................................................................................................................... 70

9.12 Accessories ..................................................................................................................................................... 70

10. Outdoor Wiring Installation .................................................................................................................................. 71

10.1 Wiring system .................................................................................................................................................. 71

10.2 Specs for power cable and communication wires ........................................................................................... 73

11. Outdoor Unit PCB ................................................................................................................................................ 86

12. Dip Switch Setting ............................................................................................................................................... 87

13. Monitor Tools ....................................................................................................................................................... 91

14. Outdoor Unit Control............................................................................................................................................ 97

15. Failure Code ........................................................................................................................................................ 99

Appendix.................................................................................................................................................................. 135