User Manual Q&AAnswer
Dec 22, 2025 - 02:37 AM
To program the tekmar D 543 Programmable Thermostat, follow these steps as outlined in the operational manual:
1. **Accessing the Programming Mode:**
- Press the "Menu" button on the thermostat to enter the main menu.
- Use the arrow keys to navigate to the "Program" option and press "Select" to enter the programming mode.
2. **Setting Time and Date:**
- In the programming mode, navigate to the "Time" option and set the current time using the arrow keys.
- Move to the "Date" option and adjust the date accordingly.
3. **Programming Schedule:**
- Navigate to the "Schedule" option in the programming menu.
- Use the arrow keys to select the day of the week you want to program (e.g., Monday).
- Set the desired temperature for different time periods (Wake, Leave, Return, Sleep) using the arrow keys.
4. **Adjusting Temperature Settings:**
- To adjust the current temperature setting, press the "Up" or "Down" arrow keys to increase or decrease the temperature.
- You can also set the desired temperature for specific time periods within the programming schedule.
5. **Utilizing Modes:**
- The thermostat offers different modes such as Heat, Cool, Auto, and Off. Select the appropriate mode based on your heating or cooling needs.
6. **Saving Changes:**
- After programming the thermostat settings, press the "Done" button to save the changes and exit the programming mode.
Refer to the tekmar D 543 Programmable Thermostat operational manual for detailed instructions, illustrations, and additional features of the thermostat.
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