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Operating and Maintenance Instructions
1.0
Safety Notice .............................................................................................................................................. 5
2.0
Introduction ................................................................................................................................................. 6
3.0
Overview .................................................................................................................................................... 7
3.1 Specification .................................................................................................................................................. 7
3.2 Installation ..................................................................................................................................................... 7
3.3 Hot plugging .................................................................................................................................................. 7
3.4 RS485 wiring installation ............................................................................................................................... 7
4.0 Configuration and First Use ............................................................................................................................... 8
4.1 Electrical connections ................................................................................................................................... 8
4.2 General and initial power ON ........................................................................................................................ 8
4.3 First time controller configuration .................................................................................................................. 9
4.3.1 Configuring the controller with fans that are in their factory default settings .......................................... 9
4.3.2 Configuring the controller with fans that have been pre-configured by another MDC .......................... 10
4.4 Fan status screen ........................................................................................................................................ 11
4.5 Power meter and summary screen ............................................................................................................. 11
4.6 Swapping fan numbers and addresses ....................................................................................................... 12
5.0
Operating Modes ...................................................................................................................................... 12
5.1 General ....................................................................................................................................................... 12
5.2 Main menu access and operating mode configuration ................................................................................ 13
5.3 Monitor mode (default operation) ................................................................................................................ 13
5.4 Monitor & control mode ............................................................................................................................... 14
5.4.1 Controlling the fan array speed using the controller's 0-10V input (0-10V Control Mode) ................... 14
5.4.2 Controlling the fan array speed using the controller's RS485 Slave port (Modbus Control Mode) ...... 15
5.4.3 Controlling the fan array speed using the controller's keypad (Keypad Control Mode) ....................... 16
5.4.4 Measuring fan performance using one or multiple pressure sensors .................................................. 16
5.5 Constant volume or constant pressure operating mode .............................................................................. 17
5.6 Modbus relay operating mode ..................................................................................................................... 18
6.0
Pressure Sensor Connections .................................................................................................................. 18
7.0
Advanced Settings ................................................................................................................................... 19
8.0
Multi-Sensor Operation ............................................................................................................................ 22
8.1 Sensor wiring and airline connections ......................................................................................................... 22
8.2 Controller configuration and automatic sensor mapping ............................................................................. 23
8.3 Reading the volume from individual sensors (direct and shared sensors) .................................................. 25
9.0
Fault Indication ......................................................................................................................................... 25
9.1 Loss of communication and fan alarms indications ..................................................................................... 25
9.2 Warning indications ..................................................................................................................................... 26
9.3 Sensor Failures ........................................................................................................................................... 26
10.0
Replacing the Controller ........................................................................................................................... 27
11.0
Replacing a Fan ....................................................................................................................................... 27
12.0
WEEE (Waste Electrical and Electronic Equipment) ................................................................................ 28
13.0
End of life ................................................................................................................................................. 28
210-OMI14229-Iss8.1
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