© 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
Symbols Description...........................................................................................10
Programmable Settings........................................................................................... 11
Programming Menus .......................................................................................... 11
Set Temp Menu.............................................................................................. 12-15
Time Menu..........................................................................................................16
Schedule 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 Operation.....................................................................................................32
Air Group Operation ...........................................................................................33
Time Clock..........................................................................................................33
Temperature Adjustment ....................................................................................34
Programmable Schedules ..................................................................................35
Scenes (System Override)..................................................................................36
Secondary Temperature Display........................................................................37
Access Levels.....................................................................................................38
tekmarNet®Address ...........................................................................................38
Cleaning the Thermostat ....................................................................................38
Troubleshooting .......................................................................................................39
Error Messages ............................................................................................ 39-42
Technical Data....................................................................................................43
Limited Warranty and Product Return Procedure ..............................................44