518_U 03/13 Thermostat 518 Zoning Replaces: New User Manual A Watts Water Technologies Company 1 of 4 © 2013 518_U - 03/13
This brochure will provide you with the information you need to benefit the most from your tekmar Thermostat. Please visit www.tekmarControls.com for more detailed information on this or any other tekmar product. User Interface Display Symbols This thermostat will display symbols on its screen in order 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.
Setting The Temperature To change the heat temperature setting, push the preferred temperature setting. or buttons to select a Air Temperature Only---------------------------------------------------------------------------If there is only an air temperature sensor (no floor sensor), the thermostat operates to control your desired air temperature.
Settings • Press and hold down both the and buttons for 3 seconds to change from one step to the next. • Release both buttons once the step has been reached. • Press the or the button to change the setting, if available. • Press and hold down both the and buttons for 3 seconds to go to the next step, OR • After 15 seconds of no button activity, the display goes back to normal operation. Display Setting User settings. MODE Select heat or off.