Table of Contents
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3.4.3 Hydran 201 Sensor ................................................................................................................. 31
3.4.4 CPU Module ............................................................................................................................... 32
3.4.5 USB Type B Connector for Communication ................................................................... 32
3.4.6 I/O Module ................................................................................................................................. 32
3.5 Analog Inputs and Output ................................................................................................................. 37
3.5.1 Analog Inputs ............................................................................................................................ 37
3.5.2 Analog Output .......................................................................................................................... 37
3.6 Heating System ..................................................................................................................................... 38
3.7 Battery ...................................................................................................................................................... 38
3.7.1 Estimated Life ........................................................................................................................... 38
3.7.2 Battery Specifications ............................................................................................................ 39
3.7.3 Removing the Battery ............................................................................................................ 39
3.7.4 Replacing the Battery ............................................................................................................ 40
3.7.5 Resetting the Clock ................................................................................................................. 40
3.7.6 Discarding the Battery .......................................................................................................... 41
3.8 Internal Clock .......................................................................................................................................... 41
3.9 Nonvolatile Memory ............................................................................................................................. 42
3.10 Additional Information ........................................................................................................................ 42
4
HYDRAN 201CI CONTROLLERS ............................................................................................... 43
4.1 Hydran 201Ci-C Communications Controller ............................................................................. 43
4.1.1 Features ...................................................................................................................................... 43
4.1.2 Description of Major Components .................................................................................... 44
4.1.3 Description of Circuit Board ................................................................................................ 45
4.1.4 Additional Information .......................................................................................................... 48
4.2 Hydran 201Ci-1 One Channel Controller ...................................................................................... 48
4.2.1 Features ...................................................................................................................................... 48
4.2.2 Description of Major Components .................................................................................... 50
4.2.3 Description of Circuit Board ................................................................................................ 52
4.2.4 Additional Information .......................................................................................................... 55
5
HYDRAN 201TI DISPLAYS & MENUS ....................................................................................... 56
5.1 User Interface ......................................................................................................................................... 56
5.2 User Interface Operating Modes ..................................................................................................... 57
5.2.1 Unacknowledged Alarms Mode ......................................................................................... 58
5.2.2 Main Display Mode ................................................................................................................. 58
Page 4
Hydran* 201i Instruction Manual
MA-033
Rev. 14.0, 12-Nov-18
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