Table of Contents
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Operating and Maintenance Instructions
5.7 Advanced Settings Submenu ...................................................................................................................... 21
5.8 Fan replacement ......................................................................................................................................... 23
6.0
Fault Indication ......................................................................................................................................... 23
6.1 Loss of communication and fan alarms ....................................................................................................... 23
6.2 Warning indications ..................................................................................................................................... 24
7.0
Replacing a MDC unit .............................................................................................................................. 24
8.0
Transport & Storage ................................................................................................................................. 24
9.0
Maintenance and servicing ....................................................................................................................... 24
10.0
Copy of CE certificate front sheet ............................................................................................................. 25
Appendix A - Physical Details ............................................................................................................................... 26
Appendix B - Electrical Connections ..................................................................................................................... 27
Appendix C - Remote Monitoring & Control .......................................................................................................... 28
C.1 Remote Monitoring ..................................................................................................................................... 28
C.2 Remote Fan Array Control .......................................................................................................................... 28
C.3 Remote Single Fan Speed Control ............................................................................................................. 28
Appendix D - Modbus Input Registers .................................................................................................................. 29
Appendix E - Modbus Holding Registers .............................................................................................................. 30
Appendix F - Alarms and Warnings Holding Registers Breakdown ...................................................................... 36
Appendix G - Example of Modbus Relay Operation ............................................................................................. 37
Appendix H - Menu Structure Flow Chart ............................................................................................................. 38
H1 - Fan Addressing - New Fan Array -Initial Setup ........................................................................................ 38
H2 - Fan Addressing - Existing Fan Array - Initial Setup .................................................................................. 38
H3 - Initial Factory Reset .................................................................................................................................. 38
H4 - Fan Replacement ..................................................................................................................................... 38
H5 - Main Menu ................................................................................................................................................ 38
H6 - Status ....................................................................................................................................................... 39
H7 - Operation Mode - Monitor ........................................................................................................................ 39
H8 - Operation Mode - Monitor & Control ......................................................................................................... 40
H9 - Operation Mode - Constant Volume / Constant Pressure ........................................................................ 40
H10 - Operation Mode - Modbus Relay ............................................................................................................ 40
H11 - Keypad Control ....................................................................................................................................... 40
H12 - Operation Mode - Constant Volume / Constant Pressure Details........................................................... 41
H13 - Advanced Settings - RPM Limit ............................................................................................................. 41
H14 - Advanced Settings - 0-10V Control Cap ................................................................................................ 42
H15 - Advanced Settings - 0-10V Input Cap.................................................................................................... 42
H16 - Advanced Settings - Alarm Output (Sensor Disabled) ........................................................................... 42
H17 - Advanced Settings - Alarm Output (Sensor Enabled) ............................................................................ 42
H18 - Advanced Settings - BMS Settings ........................................................................................................ 43
H19 - Advanced Settings - Main Menu Lock ................................................................................................... 43
H20 - Advanced Settings - LCD Brightness..................................................................................................... 44
H21 - Advanced Settings - Factory Reset ....................................................................................................... 44
H22 - Advanced Settings - Measurement Unit ................................................................................................ 45
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