STELPRO STE302NP Single Programming Electronic Thermostat User Guide

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

USER’S GUIDE  

STE302NP  

SINGLE PROGRAMMING ELECTRONIC THERMOSTAT  

Energy Verified  

INSSTE302NP0614  

For further information or to consult this guide online, please visit our website at www.stelpro.com  

VIEW FULL SCREEN PDF MANUAL

General	Details
Name	STELPRO STE302NP Single Programming Electronic Thermostat User Guide
Make	StelPro
Language	English
Filetype	PDF (Download)
File size	0.36 MB

Download PDF

(1 votes, average: 5.00 out of 5)

Loading...

• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• StelPro

STELPRO STE302NP Single Programming Electronic Thermostat User Guide Overview

Summary of Contents

• Page 1: User's guide for the STE302NP single programming electronic thermostat. Energy verified. For further information or to consult this guide online, please visit the website.
• 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. The following instructions must be adhered to in order to avoid personal injuries or property damages, serious injuries and potentially fatal electric shocks. All electric connections must be made by a qualified electrician, according to the electric and building codes effective in your region. Do NOT connect this product to a supply source other than 120 VAC or 240 VAC, and do not exceed the load limits specified. You must regularly clean dirt accumulations on the thermostat. Do NOT use fluid to clean thermostat air vent. Do not install thermostat in a wet place. When a part of the product specification must be changed to improve operability or other functions, priority is given to the product specification itself.
• Page 3: The electronic thermostat STE302NP can control electric heating units such as baseboards and convectors. It maintains room temperature at the requested set point with high accuracy. The product is designed for installations with electrical current ranging from 1.25 A to 12.5 A (120/240 VAC). It features a user-friendly interface for precise temperature control. The thermostat is incompatible with electrical currents higher than 12.5 A or lower than 1.25 A, and central heating systems. The supplied parts include one thermostat, a wall mounting plate, two mounting screws, and two solderless connectors. For installation, the thermostat should be mounted on a wall facing the heating unit, approximately 1.5 m above the floor. It should not be installed in locations where temperature measurements could be affected, such as near windows, external walls, or heat sources.
• Page 4: Thermostat mounting and connection Cut off power supply on lead wires at the electrical panel in order to avoid any risk of electric shock. Ensure that the air vents of the thermostat are clean and clear of any obstruction. Using a screwdriver, loosen the screw retaining the mounting base of the thermostat until you feel a loose. Remove the mounting base at the back of the thermostat by tilting it downward, then towards you. Align and secure the mounting base to the connection box using the two screws supplied.
• Page 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. The thermostat wires do not have polarity. Therefore, the way they are connected is not important. 2-wire installation 4-wire installation
• Page 6: Place all the wires into the connection box. Align the little slots located on the top of the thermostat with those on the mounting base and secure the thermostat to the mounting base. You can also position the thermostat on the left or the right side of the junction box. Tighten the screw at the bottom of the unit. Turn on the power. Set the thermostat to the desired setting.
• Page 7: Operation Ambient temperature Heating power indicator Pictograms Fan mode Frost-free warning Day mode Single programming mode Security mode Initial start up When powering on for the first time, the thermostat is initially set to Day mode displayed in Celsius and is set at 21 degrees by default.
• Page 8: Temperature set points indicate the temperature set point displayed in degrees Celsius or Fahrenheit. To adjust the set point, press the top button to increase or the bottom button to decrease the value. Set points can be adjusted by increments of 0.5°C (1°F), with a minimum set point of 3°C (37°F) and a maximum of 30°C (86°F). In Day mode, the thermostat can be turned off by lowering the set point below 3°C, resulting in a display of --.-. The thermostat includes both Day mode and Night mode, each with independently adjustable set points. The standard factory set point is 21°C (70°F) for Day mode and 18°C (64°F) for Night mode. The current mode is indicated by the Sun or Moon icon on the display. To switch modes manually, press down both buttons simultaneously and release them immediately. The Night mode features a timer that automatically returns to Day mode after a selectable time period, with a standard adjustment of 8 hours. The thermostat will automatically switch back to Day mode at the end of the night, activating the higher Day mode temperature set point.
• Page 9: Night mode timer adjustment procedure Adjust the Day/Night mode set points at the desired temperatures. Switch from one mode to the other by simultaneously pressing down the two buttons. From the Night mode, press down the two buttons for more than 3 seconds until the Moon icon blinks. Adjust the timer by pressing down the top button to increase the value or the bottom button to decrease it. The adjustment range is from 1 hour to 999 hours. Release the buttons and wait for 5 seconds to exit the adjustment function. The Night mode timer will be automatically reinitialized when switching from Day mode to Night mode. The Single programming mode allows alternating between the Day/Night modes over a 24-hour period. Once activated, the Single programming mode allows an automatic return to the Night mode after 24 hours. The thermostat will operate in the Night mode for the duration of the Night mode timer cycle.
• Page 10: Adjustment procedure of the Single programming mode involves several steps for setting the Day/Night temperatures and activating the mode. To switch modes, press and release two buttons simultaneously. In Night mode, hold the two buttons for more than 3 seconds to adjust the timer, which ranges from 1 to 23 hours. Setting the timer beyond 23 hours will deactivate the Single programming mode. Activate or deactivate the Single programming mode by pressing the two buttons for at least 3 seconds. After adjustments, release the buttons and wait 5 seconds to exit the adjustment function. Manual changes to Day/Night mode can be made during a 24-hour cycle without needing to readjust the Single programming mode. After a power failure, the Single programming mode will be deactivated. The thermostat can display temperature in degrees Celsius or Fahrenheit. To switch between Celsius and Fahrenheit, press the two buttons for 3 seconds, then use the top button to toggle the display.
• Page 11: When the adjustment is completed, release the buttons and wait for 5 seconds to exit the adjustment function. 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% 2 bars = 25% to 50% 1 bar = 1% to 25% 0 bar = no heat. The Snowflake icon is displayed when the temperature set point is between 3°C (37°F) and 5°C (41°F). A minimum temperature will be maintained to ensure frost control. It is possible to impose a maximum temperature set point by activating the security mode. To activate the security option, from the Day mode adjust the day set point to the desired maximum temperature. Simultaneously press down the two buttons for more than 13 seconds, until the icon appears. Release the buttons. The thermostat is now locked.
• Page 12: Procedures to deactivate the Security mode involve cutting off the thermostat power at the circuit breaker and waiting at least 20 seconds. To deactivate the Security mode, turn the thermostat power back on and press both buttons simultaneously for 13 seconds. The icon will blink for a maximum of 5 minutes, and after 13 seconds, the icon will disappear, indicating that the Security mode is deactivated. The activation of the Fan mode is similar to the Celsius/Fahrenheit adjustment. To activate or deactivate the Fan mode, press both buttons simultaneously for 3 seconds while in Day mode. When the Fan mode is activated, the stop or minimum heating time for a complete 10-minute cycle is established at 90 seconds. You can adjust the minimum heating time from 90 to 300 seconds to limit the number of times the thermostat turns on or off. The deactivation of the Fan mode will cause the thermostat to revert to the previously programmed heating cycle. You can adjust the minimum time between fan startups and shutdowns by entering the fan adjustment mode. Adjustments can be made from 90 to 300 seconds by increments of 30 seconds.
• Page 13: Parameters saving and power failures The thermostat saves some parameters in a non-volatile memory to recover them after being shut off. These parameters include Day/Night settings, Single programming mode, state of the Security mode, and Fan mode. Parameters are saved every minute if changes are made, except for Day/Night mode and remaining time on the time-switch. The Single programming mode is not automatically reactivated when the thermostat is turned on. The icon blinks to warn the user that the Single programming mode was previously activated but is no longer active. The existing Day/Night mode is recovered only if the Single programming mode was previously deactivated. The Security mode is reactivated if it was previously activated, and the icon will blink for 5 minutes. During the blinking period, the Security mode can be deactivated by pressing both buttons simultaneously for 13 seconds. Night light option allows the backlight to be permanently turned on. To activate or deactivate the Night light mode, the thermostat must be set in Day mode and both buttons pressed simultaneously for 3 seconds.
• Page 14: Troubleshooting In normal operating conditions, the thermostat housing can reach nearly 40°C at maximum load. That is normal and will not affect the effective operation of the thermostat. Check if the thermostat is properly connected. Refer to the installation section. The thermostat is hot. Heating is always on. Heating does not run even if the thermostat indicates it is on. The display does not turn on. Check the power supply at the electrical panel. The thermal protection of the heating unit has opened due to overheating. The display indicates E1 or E2. Faulty thermal sensor. Contact customer service.
• Page 15: Technical specifications Supply voltage: 120/208/240 VAC, 50/60 Hz Minimum electrical current with a resistive load: 1.25 A Maximum electrical current with a resistive load: 12.5 A Temperature display range: 3°C to 40°C (37°F to 99.5°F) Temperature display resolution: 0.5°C (0.5°F) Temperature set point range: 3°C to 30°C (37°F to 86°F) Temperature set point increments: 0.5°C (1°F) Storage temperature: -40°C to 50°C (-104°F to 122°F)
• Page 16: Limited warranty This unit has a 3-year warranty. If at any time during this period the unit becomes defective, it must be returned to its place of purchase with the invoice copy, or simply contact our customer service department. In order for the warranty to be valid, the unit must have been installed and used according to instructions. If the installer or the user modifies the unit, he will be held responsible for any damage resulting from this modification. The warranty is limited to the factory repair or the replacement of the unit. The warranty does not cover the cost of disconnection, transport, and installation.