TDR89 Thermostat User Guide
This thermostat is suitable for water heating, electric heating, and boilers.
Welcome
Thank you for your trust and support! We have adopted advanced technology and perfect craftsmanship so that your new thermostat will provide you with a suitable temperature environment every day in the future.
Main Functions and Characteristics
- WIFI connectivity for Android & Apple iOS
- Large screen display and touch screen
- Power-off memory function
- Real-time data save function
- 5+2 or 6+1 or 7-day six-period program schedule
- Anti-freezing function
- 3 sensor modes can be set
- Child lock function
Product Packaging
| Model | TDR89-EP | TDR89-WP | TDR89-WPB |
|---|---|---|---|
| Thermostat | ✓ | ✓ | ✓ |
| User Manual | ✓ | ✓ | ✓ |
| Screws *2 | ✓ | ✓ | ✓ |
| External sensor | ✓ |
Model Specification
| Model | Current Loading | Week Program | Controlled Objects |
|---|---|---|---|
| TDR89-EP | 16A | ✓ | For electric heating appliances |
| TDR89-WP | 3A | ✓ | For water heating appliances |
| TDR89-WPB | 3A | ✓ | For boilers connected via dry contact |
Technical Parameters
| Parameter | Value |
|---|---|
| Power Supply | 100 ~ 240V |
| Current Load | ≤3A (water heating/gas boiler), ≤16A (electric heating) |
| Power Consumption | <1W |
| External Material | PC+ABS (flame retardant) |
| Sensing Element | NTC |
| Set Temp. Range | 5-95°C |
| Floor Set Temp. Range | 5-60°C |
| Temperature hysteresis | ±1°C (Defaults adjustable 0.5-10°C) |
| Dimension | 86x86x14mm |
| Ambient Temp. | 0-45°C, 5-95% RH (Non-condensing) |
| Storage Temp. | -5~55°C |
| Timing Error | <1% |
User Notes
1. Please read this manual carefully. Improper operation may damage the product or cause dangerous conditions.
2. The installation personnel must be well-trained and experienced service technicians.
3. After installation, please read this manual carefully and operate the product according to the instructions.
Caution: Risk of electric shock
Wiring Diagram
Description of wiring diagrams for EP, WP, and WPB models, showing connections for AC100-240V power, L, N, N1 terminals, and NTC sensor. The WP model includes an 'open close' switch, and the WPB model features a 'Dry Contact'. Terminals 1 through 7 are labeled.
Installation Instruction
This product is suitable for standard 86*86mm wall boxes and 60 mm European round boxes.
- Connect the power box according to the wiring diagram.
- Separate the power supply from the control board cable.
- Screw the power supply into the 86-type box.
- Connect the power board to the board line, and align the buckle at 30 degrees to complete the installation.
Description of Display & Icons
The thermostat display includes: Time display, Room temperature, Mode icon, Button icon, WIFI icon, Week icon, Heating icon, and Time icon. The main screen shows the house outline with temperature, set temperature, and various mode icons at the bottom.
Operation Instruction
- Power on/off: Press the ⏻ to turn on/off the power.
- Set Temperature: Press "+" or "-" to set the temperature.
- Set the Clock: Press the ⏰ to set the minute. Press "+" or "-" for adjusting. Then press the ▦ to adjust the hour and the week in turn.
- Switch Modes: Press the ▦ to switch between Manual and Programming mode. Manual mode is a non-programmable mode, indicated by a ?️ on the screen. Press "+" or "-" to set the temperature. Programming mode is indicated by a ⏰ on the screen.
- Set the Child Lock: Simultaneously press and hold the "+" and "-" buttons to add child lock; a ? will display on the screen. Simultaneously press and hold the "+" and "-" buttons again to cancel child lock.
- Set the Programming Mode: Press and hold the ▦ to enter programming mode setting. Time and week period indicators (1-5) will display. The week indicators (1-5) display the position of the week, meaning 5 (working day) + 2 (rest day). Press "+" or "-" to set the time. Press the ▦ to enter temperature adjustment. Press "+" or "-" to set the temperature. Press the ▦ to enter the next period adjustment. Press the ⏻ to exit and save. If you want to make a temporary adjustment in any period, press "+" or "-", then a ?️ will display. It will run according to your manual settings and resume programming mode at the next programming time point. Press the ▦ to switch between manual mode and programming mode.
Programming Schedule
| Period | Period Icon | Defaulted Time | Defaulted Temp. |
|---|---|---|---|
| Working day | 1 | 6:00 | 20°C |
| 2 | 8:00 | 16°C | |
| 3 | 11:30 | 16°C | |
| 4 | 12:30 | 16°C | |
| 5 | 17:00 | 22°C | |
| 6 | 22:00 | 16°C | |
| Rest day | 1 | 8:00 | 22°C |
| 2 | 23:00 | 16°C |
Remark:
1. The defaulted temperature of period 3 and period 4 is the same as period 2. Please change it according to the request.
2. Do not set the last time point of each day beyond 23:59.
Advanced Setting
In the power-off state, press the ▦ and the ⏻ for 5 seconds to enter the advanced option setting. Press the ▦ to enter the next option, press "+" or "-" to adjust, and press the ⏻ to save and exit.
| Display Code | Function | Setting And Options | Factory Defaults |
|---|---|---|---|
| 01 | Temperature calibration | -9.9-9.9°C | -1°C |
| 02 | Sensor selection | IN: Use the internal sensor OUT: Use the external sensor ALL: Use both internal and external sensors. | IN |
| 03 | Limit temperature value modification | 25-95°C | 60°C |
| 04 | Temperature hysteresis | 0.5-10°C | 1°C |
| 05 | Antifreeze function | OFF: Close anti-frozen ON: Open anti-frozen | OFF |
| 06 | Weekly programming mode setting | 7: 7 working days 6: 6 working day+1 rest day 5: 5 working day+2 rest day OFF: turn off programming | 5 |
| 07 | Main and auxiliary reverse selection (optional) | 00: close the main and auxiliary reversal function 01: indicate the auxiliary reversal | 00 |
| 08 | Backlight brightness | 00: turn off the backlight 01: low brightness 02: medium brightness 03: high brightness | 03 |
| 09 | Set temperature upper limit | 15-95°C | 60°C |
| 10 | Reset | Long press "+" key to adjust the display to "---", press ⏻ to restore the factory settings. | - |
| 11 | Sound | ON: turn on the sound OFF: turn off the sound | ON |
Sensor error:
If no external sensor is connected, do not set it to ALL or OUT, otherwise 'Er' will appear on the screen. The thermostat will stop heating until the problem is solved. If there is an error with the sensor, 'Er' will also appear on the screen.
Phone Port Operation Instruction
Preparation before Wi-Fi connection
APP download and account registration:
- Download APP:
For iOS system: Login in App Store, search "Tuya Smart", you can download it on your iPhone.
For Android system: Login in Google Play, search "Tuya Smart", you can download it on your phone.
Or scan the QR code below to download. [QR code description: A QR code with the Tuya logo in the center.]
2. Register Account
If you do not have an APP account yet, you can choose to register or log in via SMS verification code. Click "Create a new account", you will enter the Tuya Smart Platform Privacy Policy page. After you click Agree, you will officially enter the mobile phone registration page.
The system automatically determines the current country/region. You can also select the country/region manually. After entering your mobile phone number or email address, click "get verification code". Enter the received verification code, then enter the password, and click "Finish" to register successfully.
Wi-Fi Connection
- Turn on your mobile phone's Bluetooth and Wi-Fi (please make sure your mobile phone connects to 2.4Ghz Wi-Fi).
- Activate the thermostat Wi-Fi module: When the thermostat is turned on, press and hold the "+" button for 5 seconds. The Wi-Fi icon flashes on the thermostat display, and the thermostat enters the code matching state.
- Add Device: There are 3 ways to add a device.
Method 1: Enter the Tuya APP. The main page automatically pops up "Device to be added" (as picture 1) and click "Add". [Picture 1 description: A screenshot of the Tuya app showing "My devices" and an "Add Device" button.]
Method 2: Enter the Tuya APP. Click "Add Device" or "+" (as picture 2) on the upper right corner of the APP homepage, and enter the "Add Device" interface. It will prompt: find the device to be added (as picture 3) and follow the prompts. [Picture 2 description: A screenshot of the Tuya app showing an "Add Device" button. Picture 3 description: A screenshot showing "Discovering devices..." with an "Add" button.]
Method 3: Enter the Tuya APP. Click "+" on the upper right corner of the APP homepage. Find the temperature control product (Bluetooth + WIFI model) in the "Small household appliance" category (as picture 4). As per picture 5, ignore the content of the page and tap "Next". [Picture 4 description: A screenshot of the Tuya app showing various device categories, highlighting "Small Home Appliances" and a thermostat. Picture 5 description: A screenshot showing a "Reset the device" screen with instructions to power cycle, and a "Next" button.]
As per picture 6, ignore the content of the page and click "Next". As per picture 7, tick "Confirm the indicator is blinking" and click "Next". [Picture 6 description: A screenshot showing "Reset the device" with a prompt to hold the RESET button, and a "Next" button. Picture 7 description: A screenshot showing "Reset the device" with a prompt to confirm the indicator is blinking, and a "Next" button.] - Enter Wi-Fi information: Enter the name and password of the 2.4Ghz Wi-Fi (please make sure that the Wi-Fi name and password contain only numbers and letters and not special symbols). Follow the prompts to the next step. You can see the device is being added, and after a few seconds, you will see that the device is added successfully (the length of time will depend on the strength of the Wi-Fi signal). [Screenshot description: Shows entering Wi-Fi name and password, followed by a success message.]
Display of Temperature Controller APP Interface
The app interface allows users to view the current temperature, set temperature, and switch between manual and settings modes. It also provides access to settings such as Working day setting, Week programming settings, Sound, Backlight brightness, Temperature calibration, Max setting temperature, Temperature control switch difference, External Sensor temperature limit, Sensor selection, Frost protection, output main reverse, and Restore factory settings.
If you encounter any problems during the use of the product, please feel free to contact the seller through the purchase platform for assistance.
