© 2015 554_D - 02/15
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A Watts Water Technologies Company
Table of Contents
Important Safety Information ................................................................................3
Getting Started .....................................................................................................4
Installation .................................................................................................................4
Preparation ...........................................................................................................4
Removing the Thermostat Base ...........................................................................5
Mounting the Thermostat Base ............................................................................5
Thermostat Wiring ................................................................................................6
Compatible Sensors .............................................................................................6
Testing the Thermostat Wiring ..............................................................................7
Mounting the Thermostat ......................................................................................9
Switch Settings ..........................................................................................................9
User Interface ..........................................................................................................10
Home Screen ......................................................................................................10
Symb ols Desc ript ion ...........................................................................................10
Programmable Settings ........................................................................................... 11
Programming Menus .......................................................................................... 11
Set Temp Menu.............................................................................................. 12-15
Time Menu ..........................................................................................................16
Sch edul e Menu ...............................................................................................17-18
Display Menu ...................................................................................................... 19
Scenes Menu ......................................................................................................20
Monitor Menu .................................................................................................21-23
Toolbox Menu ................................................................................................24-25
Setup Menu ...................................................................................................26-29
Sequence of Operation ............................................................................................30
Heating Operation ..............................................................................................30
Cooling Operation ...............................................................................................31
Room Min and Max Limits ..................................................................................31
Mode Operation ..................................................................................................31
Hydronic Pump and Valve Operation .................................................................31
Fan O peration .....................................................................................................32
Air Group Operation ...........................................................................................33
Time Clock .......................................................................................................... 33
Temperature Adjustment ....................................................................................34
Programmable Schedules ..................................................................................35
Scenes (System Override) ..................................................................................36
Secondary Temperature Display ........................................................................37
Acc ess Levels .....................................................................................................38
tekmarNet
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Address ...........................................................................................38
Cleaning the Thermostat ....................................................................................38
Troubleshooting .......................................................................................................39
Error Messages ............................................................................................ 39-42
Technical Data ....................................................................................................43
Limited Warranty and Product Return Procedure ..............................................44