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EN
ENGLISH
INDEX
1. INTRODUCTION
............................................................................................................................................................. 13
2. SAFETY REGULATIONS AND “CE” MARKING ............................................................................................................... 13
3. GENERAL INSTRUCTIONS
............................................................................................................................................ 13
4. DESCRIPTION
................................................................................................................................................................ 13
4.1. Locations ................................................................................................................................................................ 13
4.2. Wiring diagram and internal board ........................................................................................................................ 14
5. OPERATION MODES
...................................................................................................................................................... 15
5.1. Constant pressure (COP) ........................................................................................................................................ 16
5.2. Constant airfl ow (CAV) ............................................................................................................................................ 17
5.3. Variable aifl ow volume (VAV) .................................................................................................................................. 17
5.4. Minimum / maximum ............................................................................................................................................. 18
6. OTHER FUNCTIONS ...................................................................................................................................................... 18
6.1. Remote stop/start .................................................................................................................................................. 18
6.2. Boost ....................................................................................................................................................................... 18
6.3. Night ....................................................................................................................................................................... 19
6.4. Alarm relay ............................................................................................................................................................. 19
6.5. Modbus ................................................................................................................................................................... 19
6.5.1. Basic characteristics .................................................................................................................................... 19
6.5.2. Parameterization via Modbus ....................................................................................................................... 19
6.5.3. Modbus network ........................................................................................................................................... 19
6.6. Timer RTC ............................................................................................................................................................... 20
7. MAINTENANCE ............................................................................................................................................................. 21
8. PUTTING OUT OF SERVICE AND RECYCLING .............................................................................................................. 21
9. MODBUS MAP
............................................................................................................................................................... 32
Summary of Contents for ECOWATT PLUS CRHB 400 N
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