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Summary of Contents for Stelpro STE241
- Page 1 User’s GUide sTe241 Low voLtage eLectronic thermostat (24v) For further information or to consult this guide online, please visit our website at www.stelpro.com INSSTE2411014...
- Page 2 warNiNG Before installing and operating this product, the owner and/or installer must read, understand and follow these instructions and keep them handy for future reference. If these instructions are not followed, the warranty will be considered null and void and the manufacturer deems no further responsibility for this product.
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Page 3: Parts Supplied
DescriPtion The STE241 low voltage electronic thermostat (24 V) is designed to control relays (electronic or not). The allowed resistive maximum load is 12 W at 24 V (0.5 A). Then, relays (electronic or not) connected to the thermostat can control electric baseboards with or without fans, convectors, fan heaters and electric furnaces. - Page 4 thermostat mounting and connection 1. Ensure that the air vents of the thermostat are clean and clear of any obstruction. 2. Using a screwdriver, loosen the screw retaining the mounting base and front part of the thermostat. Remove the front part of the thermostat from the mounting base by tilting it upward.
- Page 5 WIRES cONNecTiON exAmPle #2 Two baseboards, with one connected to a Stelpro RE-153T electronic thermostat with a 24 VAC transformer, and with the second baseboard connected to a Stelpro RE-153 electronic thermostat without a 24 VAC transformer. ELECTRIC RELAY WITH TRANSFORMER...
- Page 6 cONNecTiON exAmPle #3 Standard 24 VAC power source (24 VAC transformer) TRANSFORMER CONTACTOR 24 VAC OR RELAY NOTE: the color of the wires can change according to the electronic relays that are used. Connection diagrams in this guide are only examples. 5.
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Page 7: Operation
oPeration Ambient temperature timer Heating power used indicator Pictograms Single Frost-free programming warning mode Day mode Security mode Night mode Top button Bottom button intial start up When powering on for the first time, the thermostat is initially set to Day mode . - Page 8 Day mode and night mode The thermostat includes a Day mode and a Night mode , both of them having their own independently adjustable and recorded set point. When switching from one mode to the other, the system will automatically use the temperature set point corresponding to the Day/Night mode selected.
- Page 9 4. When the adjustment is completed, release the buttons and wait for 5 seconds to exit the adjustment function. NOTE: The Night mode timer will be automatically reinitialized to the latest recorded value when switching from the Day mode to the Night mode. It is not necessary to readjust the timer every time you switch to the Night mode.
- Page 10 2. From the Night mode, simultaneously press down the two buttons for more than 3 seconds. If needed, adjust the timer by pressing down the top button to increase the value, or the bottom button to decrease it. The Night mode timer adjustment range is from 1 hour to 23 hours in the Single programming mode.
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Page 11: Security Mode
3. When the adjustment is completed, release the buttons and wait for 5 seconds to exit the adjustment function. heating Power indicator The level of power used to maintain the temperature at the set point is expressed as a percentage indicated by the number of bars in the thermometer displayed. The heating power used is displayed as follows: 4 bars = 75% to 100% 3 bars = 50% to 75%... - Page 12 2. Turn the thermostat power back on and the icon will blink for a maximum of 5 minutes. 3. Simultaneously press down both buttons for 13 seconds (note that the backlight will blink after 3 seconds and the °C or °F symbol will appear after 8 seconds, but continue to keep both buttons pressed down).
- Page 13 remaining on the night time-switch and the current Day/Night mode. These parameters are saved every minute if any changes are made, except for the Day/ Night mode and the remaining time left on the time-switch. These are saved only if the Single programming mode had not been activated. Please note that the Single programming mode is not automatically reactivated when the thermostat is turned on.
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Page 14: Troubleshooting
troubLeshooting Problem DeFeCTIVe PArT or PArT To CHeCK • Check if the thermostat is properly Heating is always on connected. Refer to the installation section. • Check if the thermostat is properly Heating does not run even if the connected. Refer to the installation thermostat indicates it is on section. - Page 15 technicaL sPeciFications supply voltage: inputs / outputs 24 VAC, 50/60 Hz A 3-positions connector is located at the back of the thermostat. maximum electrical current C: 24 VAC common with a resistive load: W: Load output 0.5 A R: 24 VAC input 12 W @ 24 VAC Compatible with Stepro electronic temperature display range:...
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Page 16: Limited Warranty
The warranty is limited to the factory repair or the replacement of the unit, and does not cover the cost of disconnection, transport, and installation. E-mail: contact@stelpro.com Web site: www.stelpro.com STelPrO DeSigN iNc. | Saint-Bruno-de-montarville | Quebec | J3V 6l7 INSSTE2411014...
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