Introduction
The SEITRON Magictime is a versatile weekly digital chronothermostat designed for precise temperature control in both heating and cooling applications. This device offers advanced programming capabilities to optimize comfort and energy efficiency in your home or office.
It features a large, backlit LCD display for clear readability and user-friendly operation. Key functionalities include weekly programming with two adjustable temperature levels and an integrated anti-freeze function to protect your system.
Product Overview
The Magictime chronothermostat features a clean, white casing with a prominent orange backlit LCD display. Control buttons are strategically placed on both sides of the display for easy access to functions like mode selection and programming.

Image: Front view of the SEITRON Magictime Weekly Digital Chronothermostat, showing the large orange backlit LCD display and control buttons on the left and right sides.
Setup
Battery Installation
The Magictime chronothermostat operates on 2 AA batteries. To install or replace batteries, carefully open the battery compartment, typically located on the rear of the device. Insert the batteries, ensuring correct polarity (+/-) as indicated inside the compartment. Close the compartment securely.
Mounting
Mount the chronothermostat on an interior wall at an appropriate height (approximately 1.5 meters from the floor). Ensure the location is away from direct sunlight, drafts, heat sources (like radiators or appliances), or cold spots, as these can affect temperature readings and device performance.
Operating Instructions
Power On/Off
To power the device on or off, locate the power button, usually marked with a circle and a vertical line symbol. Press and hold for a few seconds if necessary.
Setting Temperature
Adjust the desired temperature using the control knobs or up/down buttons. The current temperature setting will be prominently displayed on the LCD. Rotate the knob or press the buttons until the desired temperature is shown.
Weekly Programming
The Magictime supports weekly programming, allowing you to set different temperature schedules for each day of the week. Use the 'P' (Program) button to enter programming mode. Follow the on-screen prompts to set up to two distinct temperature levels for various time segments throughout the day and week. Consult the detailed programming section in the full manual for specific steps.
Mode Selection (Heating/Cooling)
Switch between heating (often indicated by a flame icon) and cooling (often indicated by a snowflake icon) modes using the dedicated mode selection button. Ensure the correct mode is selected based on your seasonal needs.
Anti-freeze Function
The integrated anti-freeze function automatically activates to prevent the ambient temperature from dropping below a pre-set minimum, typically around 5-7°C. This protects your heating system and pipes from potential damage due to freezing.
Maintenance
- Cleaning: Clean the device regularly with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or chemical sprays, as these can damage the casing or display.
- Battery Replacement: Replace batteries promptly when the low battery indicator appears on the display to ensure continuous and accurate operation. Always use new, high-quality AA batteries.
- Environmental Conditions: Ensure the chronothermostat is not exposed to excessive dust, humidity, or extreme temperatures, which can affect its lifespan and performance.
Troubleshooting
- No Display: If the display is blank, check the battery installation. Ensure batteries are inserted with correct polarity and are not depleted. Replace batteries if necessary.
- Incorrect Temperature Reading: Verify that the device is not exposed to direct heat sources, cold drafts, or direct sunlight. Relocate if environmental factors are influencing readings.
- Programming Issues: If programming does not seem to work as expected, carefully review the operating instructions for detailed programming steps. Ensure all settings are confirmed. A factory reset might resolve persistent programming issues (refer to the full product manual for reset procedures).
- System Not Responding: Check the wiring connections to your heating/cooling system. If you are unsure, consult a qualified technician.
Specifications
| Brand | SEITRON |
| Model Number | 8031025099450 |
| Dimensions | 13.2 x 3.2 x 8.7 cm |
| Weight | 998 g (approximately 2.2 lbs) |
| Power Source | Battery operated |
| Batteries Required | 2 AA (Type of battery needed) |
| Display Type | LCD with Backlight |
| Control Type | Push button / Rotary knob |
| Style | Digital |
Warranty and Support
This product is covered by a standard manufacturer's warranty. For detailed information regarding warranty terms, claims, or technical assistance, please refer to the warranty card included with your purchase or visit the official SEITRON website. You may also contact SEITRON customer service directly for support.





