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Interface and buttons
Installation
- Press the battery compartment lock, remove the cover, and insert the batteries.
- To initialize, the mandrel pulls back, then “IN” is displayed and blinking on the screen.
- When “IN” stop blinking, install the TRV union nut with M30*1.5 thread for heating valve, and then tighten the nut.
- Press the middle button,“Ad” start blinking, and the device enter valve adjusting process. After several seconds, the adjustment is completed when the initialized screen is displayed.
How to install the adapter correctly
Usage
Temperature control mode
Press the middle button to switch between Auto mode and Manual mode.
Auto mode
When “Clock symbol” is displayed on the screen, it is under Auto mode.
Four time periods and setting temperature could be programmed
per day, one week as a cycle, based on customized needs.
Manual mode
When “Clock symbol” is not displayed on the screen, it is under Manual mode.
The device will work according to current setting temperature,
without controlled by the time period program.
Temporary mode
Under Auto mode, “Clock symbol” will be blinking after setting temperature,
and then it will enter Temporary mode.The device is switched to Manual mode temporarily,
without controlled by the time period program. It will return to Auto mode by next time period.
Stop heating and pause heating
ON: In summer, rotate the knob clockwise until “ON” is displayed under manual mode
to stop heating. At this time, the heating valve is fully open. This can extend the use life of valve.
OFF: In winter, rotate the knob counterclockwise until “OF” is displayed under manual mode to pause
heating temporarily. At this time, the heating valve is closed and the frost protection is activated.
*Attention: After the antifreeze function is activated, the valve will open when the room temperature is lower than 5°C, and the valve will be closed when the room temperature exceeds 7°C to prevent damage to the radiator thermostatic valve due to freezing
Screen rotation:
Short press the Set button to switch the screen display direction.
Open window function:
The device can detect an open window by registering a temperature drops by more than 1.5°C
within 5 min. Tap“Setting” to turn on “Open Window” function. With the function enabled, when the device is
heating, it will shut-off heating for 30 minutes if an open window is detected, and the screen displays “OP”.
*Attention: The “Open Window” function can be cancelled by:
- Temperature setting operation on the APP or device.
- The detected temperature rises by more than 1.5°C within 4.5 minutes.
- No operation on the APP or device within 30 minutes.
Anti-scale:
TRV executes routine decalcification every Monday at 12:00 to protect the valve from calcification. “CA” will be displayed on the screen during decalcification.
Child lock function:
Long press the middle button for 3 seconds until “LC” is displayed on the screen to activate the child lock. While the device is locked, long press middle button for 3 seconds until “LC” disappear to deactivate the child lock.
Restore factory settings:
Long press the middle button and insert the battery at the same time until “FA” is displayed on the screen and blinking for 3 seconds, the device will be restored to factory settings and restarted.
Join to Network
After you have installed and adapted the device, carry out the following steps:
- Turn the thermostatic head to "OF"
- Press the “Set Button” for 3 seconds until “Wi-Fi Icon” blinks to enter the network pairing state.
- Open your App on your mobile phone and Scan the QR-Code.
 |  Code: 3497-011-2332 |
Troubleshooting:
| Error code | Description | Solution |
| F0 | Temperature sensor abnormality | Contact after-sales staff |
| F1 | Slow valve operation | Check the installation and heating valve |
| F2 | The stroke is too long | Check the fastening of TRV |
| F3 | The stroke is too short | Check the heating valve |
| F4 | Running out of battery | Replace batteries immediately |
| F5 | Valve not detected | To check if the valve is installed |
| Battery symbol | Low battery | Replace batteries within 1 week |
Technical data:
- Power Supply: 3 x 1.5 V alkaline AA batteries (not included)
- Standby Current: 6 μA Min
- Protection Degree: IP20
- Ambient Temperature: 0~50℃
- Surface Temperature: 90℃ Max (at the radiator)
- Connection: M30 x 1.5mm
- Linear Travel: 4.3 mm
- Dimensions(W x H x D): 58.4mm x 95.5mm x 58.4mm
- Net Weight: 145 g
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