tekmar 557 Thermostat Installation User Manual
Page 2
© 2014
557_D - 09/14
2 of 52
A Watts Water Technologies Company
Table of Contents
Installation ..............................................................................................................4
Preparation ........................................................................................................4
Removing The Wiring Cover ..............................................................................5
Mounting The Thermostat..................................................................................5
Thermostat Wiring .............................................................................................6
Compatible Sensors ..........................................................................................6
Testing the Thermostat Wiring ...........................................................................6
Switch Settings .......................................................................................................8
User Interface .........................................................................................................9
Home Screen .....................................................................................................9
Symbols Description ..........................................................................................9
Programmable Settings ........................................................................................ 10
Programming Menus .......................................................................................10
Set Temp Menu ................................................................................................ 11
Time Menu ....................................................................................................... 14
Schedule Menu ................................................................................................16
Display Menu ................................................................................................... 17
Scenes Menu ...................................................................................................18
Monitor Menu ...................................................................................................19
Toolbox Menu ..................................................................................................23
Setup Menu......................................................................................................26
Sequence of Operation .........................................................................................33
Heating Operation ............................................................................................33
Cooling Operation ............................................................................................36
Room Min and Max Limits ...............................................................................37
Hydronic Pump / Valve Operation ...................................................................37
Fan Operation ..................................................................................................38
Relative Humidity Operation ............................................................................39
Air Group Operation......................................................................................... 41
Time Clock ....................................................................................................... 41
Temperature Adjustment .................................................................................42
Programmable Schedules ...............................................................................43
Scenes (System Override) ...............................................................................44
Secondary Temperature Display .....................................................................45
Access Levels ..................................................................................................46
tekmarNet
®
Address ........................................................................................46
Cleaning the Thermostat .................................................................................46
Troubleshooting ....................................................................................................43
Error Messages ...............................................................................................47
Technical Data ................................................................................................. 51
Limited Warranty and Product Return Procedure ...........................................52