S&P ECOWATT PLUS CRHB-CRVB 400-630 N Manuel D'utilisation page 16

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INDEX

1. INTRODUCTION ............................................................................................................................................................. 17

2. SAFETY REGULATIONS AND "CE" MARKING ............................................................................................................... 17

3. GENERAL INSTRUCTIONS ............................................................................................................................................ 17

4. DESCRIPTION ................................................................................................................................................................ 17

4.1. Locations ................................................................................................................................................................ 17

4.2. Wiring diagram and internal board ........................................................................................................................ 18

4.2.1. Single phase version ..................................................................................................................................... 18

4.2.2. Three phase version ..................................................................................................................................... 19

5. OPERATION MODES ...................................................................................................................................................... 20

5.1. Constant pressure (COP) ........................................................................................................................................ 22

5.2. Constant airﬂow (CAV) ............................................................................................................................................ 23

5.3. Variable airﬂow volume (VAV) ................................................................................................................................. 23

5.4. Minimum / maximum ............................................................................................................................................. 24

6. OTHER FUNCTIONS ...................................................................................................................................................... 25

6.1. Remote stop/start .................................................................................................................................................. 25

6.2. Boost ....................................................................................................................................................................... 25

6.3. Night ....................................................................................................................................................................... 25

6.4. Alarm relay ............................................................................................................................................................. 25

6.5. Modbus ................................................................................................................................................................... 25

6.5.1. Basic characteristics .................................................................................................................................... 25

6.5.2. Parameterization via Modbus ....................................................................................................................... 25

6.5.3. Modbus network ........................................................................................................................................... 26

6.6. Timer RTC ............................................................................................................................................................... 27

6.7. USB ......................................................................................................................................................................... 27

6.7.1. Operation/alarm report ................................................................................................................................ 27

6.7.2. Software update .......................................................................................................................................... 28

7. MAINTENANCE ............................................................................................................................................................. 28

8. PUTTING OUT OF SERVICE AND RECYCLING .............................................................................................................. 28