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U538e 02/11 ® tekmarNet 4 Thermostat 538e Congratulations on the purchase of your tekmarNet ® Thermostat! This product contains the most advanced HVAC control technology in order to ensure that your heating system runs more efficiently and provides you with the highest level of comfort.
This thermostat can maintain floor temperature only, air temperature only, or floor and air temperature together. With the addition of one of kanmor’s energy saving accessories, this thermostat can also lower its temperature setting at night or when you are away from the house.
Adjust Menu This thermostat has an Adjust Menu that allows adjustment of all of its settings. The following items can be adjusted or viewed: • and night temperatures (if available) • Floor temperatures • Backlight on-time • Temperature units °F or °C •...
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and Night Temperatures This thermostat is capable of running at a lower temperature setting when you are asleep or out of the building. An energy saving accessory can be added to your tekmarNet ® system in order to activate these energy saving setback temperatures. If one is connected, day and night temperature settings will be available.
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Floor Temperatures If your thermostat has a floor sensor connected to it, floor temperature can be maintained. This allows you to have warm floors even during milder times of the year when the air temperature is warm enough or when your air conditioning is on. Floor temperature can be maintained in two ways.
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Floor Temperature Settings --- - - - - - - - - - - - - - - - - - - - - - - - - -- - -- - - -- -- - - --- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Setting a floor temperature is a way of enhancing the comfort of your living space.
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Changing the Backlight This thermostat has an LED backlight that can be configured as follows: Permanently Off. Temporary on for 30 seconds (when a button is pressed) Permanently On On during and off during On + Press and Hold together. Step 1: Press and hold the buttons to enter the Adjust Menu, and...
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Changing the Units (°F or °C) This thermostat can display temperatures in °F or °C. Press and Hold together. Step 1: Press and hold the buttons to enter the Adjust Menu, and wait until this screen appears (a new screen will appear every 2 seconds).
Display Symbols In addition to the features described in this manual, there may be others operating in the background. Among others, 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.
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Equipment Operating Symbols These symbols indicate the current status of the system. Heating is turned on. The thermostat is part of a Cooling Group (a group of heating zones within a commonly ducted air-conditioning system) and the air-conditioning within that group is on. This thermostat will be locked out of heating when this symbol is displayed, which will save energy.