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Hydran* 201i Instruction Manual
30. Digital Voltmeter Indicator, Yellow (DS3):
voltmeter on the front panel is On. This means that the H201Ci-1 has a valid TDM
(Time Division Multiplexing) signal from the H201Ti.
31. Display Board Connector, 16 Pins (J4): This connector is factory-wired to the
display board located on the door. This is the cable used for communication
between the controller board and the display board.
4.2.4 Additional Information
To obtain more information on the Hydran 201Ci-1, please consult the following parts of
this manual:
• Before the installation: See Chapter 6.
• Installation: See Chapter 9.
• Communications and networking: See Chapter 10.
• Alarms: See Chapter 11.
• Operation: See Chapter 12.
• Troubleshooting: See Chapter 13.
• Maintenance: See Chapter 14.
• Technical specifications: See Appendix A.3.
• Mechanical drawing: See Appendix B.3.
• Functional block diagram: See Appendix C.3.
• Terminal blocks and connectors: See Appendix D.3.
MA-033
Rev. 14.0, 12-Nov-18
This LED indicates that the digital
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