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Summary of Contents for Stelpro STE252NP+
- Page 1 User’s gUide sTe252NP+ Single programming electronic thermoStat Energy Verified INSSTE252NP+0414 For further information or to consult this guide online, please visit our website at www.stelpro.com...
- 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: Installation
DeScription The electronic thermostat STE252NP with or without backlight (indicated by a + at the end of the code) can be used to control electric heating units such as electric baseboards, convectors, or aeroconvectors. It keeps the temperature of a room at the requested set point with a high degree of accuracy. This product is designed for installations with electrical current - with a resistive load - ranging from 1.25 A to 10,4 A (120/240 VAC). -
Page 4: Thermostat Mounting And Connection
• close to a window, on an external wall, or close to a door leading outside; • exposed directly to the light or heat of the sun, a lamp, a fireplace or any other heat source; • close or in front of an air outlet; •... -
Page 5: Wire Installation
5. Pass the wires from the wall through the hole at the base of the mounting base and connect them using the supplied solderless connectors. When making the connection with aluminum wire, make sure that you are using connectors identified CO/ALR. Please note that the thermostat wires do not have polarity. Therefore, the way they are connected is not important. - Page 6 6. Place all the wires into the connection box. 7. Align the notch on the top of the thermostat with the wall plate. Then, tighten the screw at the bottom of the unit. alignment 8. Turn on the power. 9. Set the thermostat to the desired setting (see the following section). INSSTE252NP+0414...
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Page 7: Operation
operation Ambient temperature/ timer Heating power indicator Pictograms Fan mode Frost-free warning Single programming mode Day mode Security mode Top button Night mode Bottom button intial start up When powering on for the first time, the thermostat is initially set to Day mode . -
Page 8: Temperature Set Points
temperature set points The figures displayed above the pictogram indicate the temperature set point. It can be displayed in degrees Celsius or Fahrenheit (see “Display in degrees Celsius/ Fahrenheit”). To adjust the set point, just press down the top button to increase the value, or the bottom button to decrease it. - Page 9 night mode timer The Night mode features a timer that automatically returns to the Day mode after a selectable time period. This timer allows the temporary use of a temperature set point. The standard factory adjustment of the timer is 8 hours. With this adjustment, the thermostat automatically returns to Day mode 8 hours after being switched to the Night mode.
- Page 10 Single programming mode The Single programming mode, which is associated with the Night mode timer, allows alternating between the Day/Night modes and the two corresponding set points over a 24-hour period. Once activated, this mode allows an automatic return to the Night mode after 24 hours. The Single programming mode allows you to define two periods in a single day with different set points.
- Page 11 two buttons for at least 3 seconds. The icon will appear. If the Single programming mode was already activated, the same procedure should be used to deactivate it. 4. When the adjustment is completed, release the buttons and wait for 5 seconds to exit the adjustment function.
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Page 12: Security Mode
Display in either degrees celsius/Fahrenheit The thermostat can display the ambient temperature and the set point in degrees Celsius (standard factory setting) or Fahrenheit. 1. From the Day mode, simultaneously press down the two buttons for 3 seconds. The Celsius/Fahrenheit symbol will blink after 3 seconds. (For the backlit models, press down the two buttons for 8 seconds. -
Page 13: Fan Mode
mode. Then, it becomes impossible to exceed this set point, regardless of the current mode (Day/Night). However, it is still possible to lower the set point at your discretion. Procedures to activate the Security mode 1. To activate the Security option, from the Day mode adjust the day set point to the desired maximum temperature. - Page 14 symbol blinks.) At this point, release the buttons. You must then press down the bottom button to activate or deactivate the Fan mode. The Fan pictogram will turn on or off depending on the case. When the Fan mode is activated, the stop or minimum heating time (off/on) for a complete 10 minute cycle is established at 90 seconds (factory setting).
- Page 15 mode was previously activated when the thermostat was shut off but is no longer active. Furthermore, when power is shut off, the existing Day/Night mode is recovered only if the Single programming mode was previously deactivated. In the opposite case, the Day mode is automatically reactivated. The Security mode is also reactivated if it was previously activated.
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Page 16: Troubleshooting
troUBleShooting ProbleM DeFeCTIVe PArT or PArT To CHeCK • In normal operating conditions, the thermostat housing can reach nearly 40°C at maximum load. The thermostat is hot. That is normal and will not affect the effective operation of the thermostat. •... -
Page 17: Supply Voltage
technical SpeciFicationS Supply voltage: 120/208/240 Vac, 50/60 hz minimum electrical current with a resistive load: 1.25 a 150 W @ 120 V 260 W @ 208 V 300 W @ 240 V maximum electrical current with a resistive load: 10.4 a 1250 W @ 120 Vac 2160 W @ 208 Vac 2500 W @ 240 Vac... -
Page 18: 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 | Québec | J3V 6l7 INSSTE252NP+0414...
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