1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Aube by Honeywell TH104PLUS/U Programmable Electronic Thermostat. This thermostat is designed for precise temperature control in residential heating applications, specifically for baseboards, convectors, and fan-forced heaters.
Figure 1: Front view of the Aube by Honeywell TH104PLUS/U Thermostat, showing the digital display and control buttons.
Key Features:
- Ultimate Temperature Control: Achieves high accuracy with ±0.15°C / 0.27°F.
- 5+2 Programming: Allows for separate programming schedules for weekdays and weekends.
- Easy Installation: Features a 2-wire non-polarized connection for quick setup.
- Silent Operation: Ensures quiet performance, suitable for all rooms including bedrooms.
- Temporary Bypass: Enables temporary temperature adjustments without altering the programmed schedule.
- Large Backlit LCD: Provides clear visibility with intuitive programming icons.
2. Setup and Installation
Important: Installation should be performed by a qualified electrician in accordance with local electrical codes. Disconnect power to the heating system at the main service panel before installation to prevent electrical shock.
Installation Steps:
- Power Disconnection: Turn off the power to your heating system at the circuit breaker or fuse box.
- Wiring: The TH104PLUS/U thermostat features a 2-wire non-polarized connection. Connect the thermostat wires to your heating system's wiring as indicated in the included wiring diagrams. Ensure all connections are secure.
- Mounting: Mount the thermostat securely to the wall using the provided hardware.
- Power Restoration: Once installation is complete and all connections are verified, restore power to the heating system.
Refer to the "Documentation" and "Wiring Diagrams" included with your product for detailed wiring instructions specific to your heating system type.
3. Operating Instructions
The TH104PLUS/U thermostat is designed for user-friendly operation with its large backlit LCD and intuitive icons.
Basic Operation:
- Display: The LCD shows the current time, day, temperature, and operating mode (e.g., Auto).
- Temperature Adjustment: Use the up/down buttons (often represented by a bar with a line in the middle, or distinct up/down arrows) to manually adjust the setpoint temperature.
- Temporary Bypass: When you manually adjust the temperature during a programmed period, the thermostat enters a temporary bypass mode. It will revert to the programmed schedule at the next scheduled event.
Programming the Schedule (5+2 Days):
The thermostat allows for two distinct programming schedules: one for weekdays (Monday-Friday) and one for weekends (Saturday-Sunday). Each day can have multiple programming periods (e.g., Wake, Leave, Return, Sleep).
- Access Programming Mode: Consult your thermostat's specific button layout (e.g., a "Program" or "Menu" button) to enter programming mode.
- Set Weekday Schedule: Follow the on-screen prompts to set the desired temperatures and times for each period (e.g., 6:00 AM at 21°C, 8:00 AM at 18°C, etc.) for Monday through Friday.
- Set Weekend Schedule: Repeat the process for Saturday and Sunday.
- Save Settings: Ensure you save your programmed schedule before exiting the programming mode.
Detailed instructions for programming specific time periods and temperatures are available in the full documentation provided with the product.
4. Maintenance
The Aube by Honeywell TH104PLUS/U thermostat requires minimal maintenance to ensure optimal performance.
- Cleaning: Periodically wipe the thermostat's exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Avoid Obstructions: Ensure that no objects block the thermostat's vents or sensors, as this can affect temperature readings.
- No User-Serviceable Parts: The thermostat contains no user-serviceable parts. Do not attempt to open or repair the unit yourself.
5. Troubleshooting
If you experience issues with your thermostat, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank. | No power to the thermostat. | Check the circuit breaker or fuse for your heating system. Ensure power is restored. Verify wiring connections. |
| Heating system not responding. | Incorrect wiring, thermostat in "Off" mode, or heating system issue. | Verify thermostat is in "Auto" or "Heat" mode. Check wiring connections. Consult a qualified electrician if the issue persists. |
| Temperature reading seems inaccurate. | Thermostat sensor obstructed or located in a drafty area. | Ensure no objects are blocking the thermostat. Relocate the thermostat if it's in a draft or near a heat source/vent. |
| Cannot program schedule. | Incorrect programming steps followed. | Refer to Section 3: Operating Instructions and the detailed programming guide included with your product. |
If these steps do not resolve the issue, contact customer support or a qualified technician.
6. Specifications
- Model: TH104PLUS/U
- Brand: Honeywell Home (Aube by Honeywell Home)
- Item Weight: 0.4 Pounds
- Color: White
- Controller Type: Push Button
- Special Feature: Programmable
- Specific Uses for Product: Electric Baseboard Heater
- Temperature Control Type: Heating
- Power Source: AC/DC
- Included Components: Documentation, Wiring Diagrams
- Batteries Required: No
- Accuracy: ±0.15°C / 0.27°F
- First Available Date: November 6, 2012
7. Warranty and Support
For information regarding the product warranty, please refer to the warranty card or documentation included with your Aube by Honeywell TH104PLUS/U thermostat. You can also visit the official Honeywell Home website or contact their customer support for assistance.
Online Resources: www.honeywellhome.com
Manufacturer: Aube by Honeywell Home
