554_U 02/15 tekmarNet® Thermostat 554 Zoning Replaces: New User Manual A Watts Water Technologies Company 1 of 12 © 2015 554_U - 02/15
This brochure will provide you with the information you need to benefit the most from your tekmarNet ® thermostat. Please visit tekmarControls.com for more detailed information on this or any other tekmar product. The information contained herein is not intended to replace the full product installation and safety information available or the experience of a trained product installer.
Display Symbols This thermostat displays symbols on its screen to indicate what mode it is in, what temperature it is operating at, or what equipment it is trying to turn on. This section describes each of those symbols. HEAT ON Heat is turned on. COOL ON Cooling is turned on. FAN The fan is turned on. SUN Operating at the occupied (day) temperature. MOON Operating at the unoccupied (night) temperature. tekmarNet® Communication is present. WARNING SYMBOL Indicates an error is present.
Adjust the Temperature To change the heating or cooling set temperature, touch the or arrows to select a preferred temperature setting. Press the Home button to accept the setting or leave the screen untouched for several seconds. To toggle between changing the heating or cooling setting, press the H <> C key. This thermostat is capable of controlling the floor or air temperature.
Mode of Operation This thermostat has 4 operating modes: Heat, Cool, Auto and Off. Touch the Mode key on the screen to select the desired mode of operation. Auto mode will automatically switch between heating and cooling as required. The temperature is not adjustable while the thermostat is off. Note: If near freezing temperatures are detected, the system will operate to maintain 40°F (4.5°C), even in the Off mode.
Programmable Schedule — Day and Night This thermostat is capable of running at a lower temperature setting when you are asleep or out of the building. When the schedule setting is on, day and night temperature settings will display on the screen. If you adjust the temperature while the sun is displayed, the day setting changes. If you adjust the temperature while the moon is displayed, the night setting changes.
Program Menu Settings To Enter the Programming Menus --------------------------------------------------Press and hold the Home button for 3 seconds to enter the programming menus. Select a Programming Menu --------------------------------------------------------• Touch “NEXT” to advance (clockwise in the illustration below) to the next menu. • Touch “BACK” to go backwards (counterclockwise in the illustration below) through the menus. • Touch “ENTER” to enter a menu.
Screen Clean Menu Entering the Screen Clean menu gives you 30 seconds to clean the thermostat and display with a moist cloth. Do not use solvents to clean the thermostat. Set Temp Menu Entering the Set Temp menu allows you to permanently change both the day and night temperature settings for both heating and cooling. If your thermostat is being used for radiant floor heating, a floor sensor can be connected and floor minimum day and night temperatures can be set.
Time Menu Settings Set date, month and year Required for daylight savings time. Daylight Save Automatic daylight saving time update for the spring and fall. Time Mode Select either 12-hour or 24-hour time format. Clock Select on to display the time clock in the Home menu (available when schedules are not used). Schedule Menu Settings Energy savings can be achieved by lowering the heating temperature and increasing the cooling temperature when the building is unoccupied or during the night.
Schedule Menu Settings (Continued) The schedules can be repeated every: • 24 hours • 7 days (week) A 7-day schedule allows a unique time to be set to change the temperature for each day of the week. The schedule also includes a “SKIP” option that allows the programmable schedule to skip a temperature change and remain at the previous temperature setting. The “SKIP” setting can be found between 11:50 PM (23:50 hours) and 12:00 AM (0:00 hours).
Monitor Menu The monitor menu allows you to view the following temperatures and running hours: • Outdoor temperature highs and lows • Room temperature highs and lows • Floor temperature highs and lows (requires floor sensor to be installed) • Filter Hours = Number of hours since the air filter was last replaced • Heat W = Number of hours the heat relay is on • Cool Y = Number of hours the cooling relay is on • Fan = Number of hours the fan relay is on To clear the temperature highs and lows or the running h
Frequently Asked Questions Symptom Look for... Corrective Action indicates heat is on. If the is displayed and there is no heat, contact your HVAC professional. No heating or No cooling indicates cooling is on. If the is displayed and there is no cooling, contact your HVAC professional. MODE The thermostat is in the Off mode. Touch the mode key to change to Heat, Cool, or Auto. key Touch the ‘Cancel Away’ key on the display.
