Mitsubishi Electric AHU-KIT-SP User Manual (English)

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Air Handling Unit Interface

AHU-KIT-SP

MORIKAWA

CONTENTS

PSZ000Z308

1/38

MODEL NAME

MODEL TYPE

ISSUE

CLASSIFICATION

DWG NO.

REV.MARK

PAGE

Contents

1. Specifications .................................................................................................................................................................................................................................................. 2

2. System configuration ...................................................................................................................................................................................................................................... 3

3. Function .......................................................................................................................................................................................................................................................... 6

4. Rotary switch function ..................................................................................................................................................................................................................................... 8

5. DIP switch function ......................................................................................................................................................................................................................................... 9

6. Short PIN function ......................................................................................................................................................................................................................................... 10

7. Input/output circuit ......................................................................................................................................................................................................................................... 11

7.1 Input circuit ............................................................................................................................................................................................................................................... 12

7.2 Output circuit ............................................................................................................................................................................................................................................ 16

7.3 Input/output circuit .................................................................................................................................................................................................................................... 16

8. Cascade control ............................................................................................................................................................................................................................................ 17

9. Rotation control ............................................................................................................................................................................................................................................. 18

10. Fault backup control ...................................................................................................................................................................................................................................... 19

11. Modbus communication ................................................................................................................................................................................................................................ 20

12. Protection control .......................................................................................................................................................................................................................................... 32

13. Error display .................................................................................................................................................................................................................................................. 34

14. Installation work ............................................................................................................................................................................................................................................ 35

15. Wiring procedure ........................................................................................................................................................................................................................................... 37

16. External dimensions ...................................................................................................................................................................................................................................... 38