1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Innova Heating Co. EFSWTD2 Dimmer Controls with Timer. This device is designed to be used with Innova heaters, offering precise control over heating output and duration. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Important Safety Information
Failure to follow these safety instructions could result in fire, electric shock, injury, or property damage. Always exercise caution when working with electrical devices.
- Professional Installation Recommended: Installation should be performed by a qualified electrician in accordance with all local and national electrical codes.
- Power Disconnection: Always disconnect power at the circuit breaker before installing, servicing, or cleaning the device.
- Voltage Compatibility: Ensure the device's voltage rating matches your electrical supply.
- Environmental Conditions: Do not expose the device to excessive moisture, extreme temperatures, or corrosive environments.
- Children and Pets: Keep the device out of reach of children and pets.
- Modifications: Do not attempt to modify or repair the device yourself. Contact qualified service personnel for assistance.
3. Package Contents
Verify that all components are present before beginning installation:
- Innova Heating Co. EFSWTD2 Dimmer Controls with Timer (1 unit)
- Instruction Manual (This document)
- Mounting Screws (Quantity may vary)
4. Setup and Installation
This section outlines the general steps for installing the EFSWTD2 Dimmer Controls. Due to the electrical nature of this product, professional installation by a certified electrician is strongly recommended to ensure safety and compliance with all applicable codes.
4.1 Physical Installation
- Power Off: Before starting, ensure the power to the circuit where the dimmer will be installed is turned off at the main circuit breaker.
- Remove Existing Switch: Carefully remove the existing wall plate and switch from the electrical box.
- Wiring: Connect the EFSWTD2 dimmer control wires to the corresponding electrical wires in the wall box. Refer to the wiring diagram provided with the physical product for specific connections (Line, Load, Ground, Neutral). This device supports parallel circuit type.
- Mounting: Secure the dimmer control unit into the electrical box using the provided mounting screws.
- Install Wall Plate: Attach the decorative wall plate over the dimmer control.
- Power On: Restore power at the circuit breaker.
4.2 Wi-Fi Connectivity
The EFSWTD2 Dimmer Controls feature Wi-Fi connectivity for advanced control options. Refer to the separate Wi-Fi setup guide (if provided with the product) or the manufacturer's website for detailed instructions on connecting your device to your wireless network.

Figure 1: Innova Heating Co. EFSWTD2 Dimmer Controls with Timer. The image displays a white wall plate featuring a timer module on the left with options for 15 min, 30 min, 60 min, 2 hour, and 4 hour settings, alongside two standard dimmer switches on the right.
5. Operating Instructions
The EFSWTD2 Dimmer Controls offer intuitive touch-based operation for both dimming and timer functions. This unit is designed for automatic operation.
5.1 Dimmer Function
The two larger switches on the right side of the unit control the dimming function for connected Innova heaters. These are touch-sensitive actuators.
- Turning On/Off: Lightly touch the top or bottom of the dimmer switch to toggle the connected heater on or off.
- Adjusting Brightness/Heat Output: Press and hold the top or bottom of the dimmer switch to gradually increase or decrease the heat output. Release when the desired level is reached. The device has 2 positions for control.
5.2 Timer Function
The left module features a timer function with preset durations. This allows you to set your Innova heater to operate for a specific period before automatically turning off.
- Selecting a Timer Duration: Lightly touch the desired time setting (15 MIN, 30 MIN, 60 MIN, 2 HOUR, 4 HOUR) on the timer module. An indicator light next to the selected duration will illuminate, confirming the timer is active.
- Canceling the Timer: To cancel an active timer, touch the currently illuminated timer setting again, or turn off the connected heater using its dimmer switch.
6. Maintenance
The Innova Heating Co. EFSWTD2 Dimmer Controls require minimal maintenance.
- Cleaning: Ensure power is disconnected at the circuit breaker before cleaning. Wipe the surface of the dimmer control and wall plate with a soft, damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish.
- Inspection: Periodically inspect the device for any signs of damage or loose connections. If any issues are found, disconnect power and contact a qualified electrician for inspection and repair.
7. Troubleshooting
If you encounter issues with your EFSWTD2 Dimmer Controls, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power to the dimmer; Incorrect wiring; Faulty heater. | Check circuit breaker. Verify wiring connections (consult electrician). Test heater with another power source if possible. |
| Dimming function not working. | Incompatible heater; Wiring issue; Dimmer malfunction. | Ensure heater is dimmable. Recheck wiring. If problem persists, contact support. |
| Timer function not activating. | Incorrect selection; Device malfunction. | Ensure a timer duration is clearly selected (indicator light should be on). If not, contact support. |
| Wi-Fi connectivity issues. | Incorrect Wi-Fi password; Router too far; Network interference. | Refer to the Wi-Fi setup guide. Ensure correct password. Move router closer or reduce interference. |
If troubleshooting steps do not resolve the issue, please contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | EFSWTD2 |
| Brand | Eurofase (Innova Heating Co.) |
| Product Dimensions (L x W x H) | 4.5 x 2.5 x 4.5 inches |
| Item Weight | 1.5 Pounds |
| Finish Color | Stainless Steel |
| Operation Mode | Automatic |
| Contact Type | Normally Open |
| Circuit Type | Parallel |
| Actuator Type | Touch |
| Contact Material | Stainless Steel |
| Number of Positions | 2 |
| Control Method | Touch |
| Connectivity Protocol | Wi-Fi |
9. Warranty and Support
9.1 Warranty Information
The Innova Heating Co. EFSWTD2 Dimmer Controls are covered by Eurofase Heating's industry-leading 3-year warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
For detailed warranty terms and conditions, please refer to the official Eurofase Heating website or contact customer support.
9.2 Customer Support
If you require further assistance, have questions not covered in this manual, or need to make a warranty claim, please contact Eurofase Heating customer support. Contact information can typically be found on the product packaging or the official Eurofase Heating website.
Online Resources: Visit the Eurofase Heat Store on Amazon