tekmar 542 Thermostat User Manuals User Manual
User brochure, U 542

1 of 12
© 2007
U 542 - 08/07
U 542
08/07
tekmarNet
®
4 Thermostat 542
- User Brochure
Table of Contents
Display .................................................................... 2
Symbols Description ............................................... 2
User Interface ......................................................... 3
Viewing Current Temperatures ............................... 4
Viewing the Room Set Temperature ....................... 4
Adjusting the Room Set Temp (No Schedule) ........ 5
Adjusting the Room Set Temp (Schedule) .............. 5
Temporary Room Set Adjustment (Schedule) ........ 6
Adjusting the Temporary Zone Hold ....................... 6
Choosing the Mode of Operation ............................ 6 
Setting the Floor Warming Temperatures ............... 7
Viewing the Current Time ....................................... 7
Setting the Time ..................................................... 7
Selecting a Scene ................................................... 8
Extended Absences ................................................ 9
Selecting a Schedule .............................................. 9
Units of Temperature .............................................11
Backlight ................................................................11
Cleaning the Thermostat ......................................11
Error Messages .....................................................11
Warranty ................................................................12
Congratulations
on the purchase of 
your tekmar programmable 
thermostat with communication. 
This thermostat combines 
easy-to-use programming with 
advanced features to increase 
both comfort and energy 
efficiency.
Your tekmar thermostat allows 
you to:
•
• Set a single schedule for your 
heating system that all of your 
tekmar thermostats can follow.
•
• Adjust the time and date on all 
your tekmar thermostats from a 
single thermostat
•
• View the outdoor temperature 
on all of your tekmar thermostats.
•
• Easily set up custom “Scenes” 
to match your home and lifestyle.
•
• Easily override your tekmar
thermostats if you are planning an
extended absence.
