5.2.3  Menu Navigation Mode ......................................................................................................... 59 
5.2.4  Parameter Modification Mode ............................................................................................ 59 
5.2.5  Power Up Mode........................................................................................................................ 60 
5.3  Using the Keypad’s Keys According to Each Mode................................................................... 62 
5.4  Passwords ............................................................................................................................................... 63 
5.5  Main and Extended Menus ................................................................................................................ 63 
5.5.1  History Submenu ..................................................................................................................... 65 
5.5.2  Gas Submenu ........................................................................................................................... 69 
5.5.3  Temperature Submenu ......................................................................................................... 70 
5.5.4  Service Submenu .................................................................................................................... 71 
5.5.5  Date & Time Submenu (Extended Menu Only) .............................................................. 73 
5.5.6  Communication Submenu (Extended Menu Only) ....................................................... 73 
5.5.7  Relays/Analog Submenu (Extended Menu Only) .......................................................... 75 
5.5.8  New Sensor Submenu (Extended Menu Only) ............................................................... 77 
5.5.9  Calibration Submenu (Extended Menu Only) ................................................................. 77 
6  BEFORE INSTALLATION ............................................................................................................ 79 
6.1  General Warnings ................................................................................................................................. 79 
6.2  Installation Overview ........................................................................................................................... 85 
6.2.1  Tools and Material Required ............................................................................................... 87 
6.2.2  Mounting Location of the Hydran 201Ti ......................................................................... 87 
6.2.3  Mounting Location of Hydran 201Ci Controllers ......................................................... 90 
6.2.4  Cabling and Network Configuration ................................................................................. 91 
6.3  Installation ............................................................................................................................................... 93 
7  HYDRAN 201TI INSTALLATION ................................................................................................ 94 
7.1  Incoming Inspection and Verification ............................................................................................ 94 
7.1.1  Receiving and Unpacking..................................................................................................... 94 
7.1.2  Shipping List .............................................................................................................................. 94 
7.1.3  Inspecting .................................................................................................................................. 95 
7.1.4  Storage and Battery Care .................................................................................................... 98 
7.2  Verification of Operation Prior to Installation ............................................................................. 98 
7.2.1  Preparation ................................................................................................................................ 98 
7.2.2  Initial Observations ................................................................................................................. 99 
7.2.3  Adjusting the Data and Time ............................................................................................ 100