Amber DT-One Thermostat Control User Guide

Q: How do I reset the device to factory settings?
- A: Press the AFAC button to reset the device to its default factory settings. The programming parameters will be cleared, indicated by “—” on the display.
Q: What is the Sensor mode selection for?
- A: The Sensor mode allows you to choose between using the built-in sensor only or both internal and external sensors for temperature measurement.
Q: How do I adjust the limitation temperature?
- A: Navigate to the settings and select the LIT option. You can then adjust the limitation temperature value within the specified range.

Before programming your DT-One please ensure you read through all these settings carefully.

Product Overview

Setup And Settings

Time & Date Setup

With the unit on, simply hold the button until the minutes begin to flash (5 seconds)

Set the correct time by using the buttons, using the button to switch from minutes to hours and again to edit the day
Use the buttons to select the correct day: 1 = Monday, 7 = Sunday

Tap the button to complete the process

Initiate Advanced Settings

Advanced settings must be configured before programming, to initiate:

Switch off the unit by tapping thebutton

Simultaneously hold the and buttons until 1ADJ shows on the screen

Sensor Mode

Having initiated the advanced settings, tap the button to switch to Sensor Mode (2SEN) and set to OUT by using the buttons.

There are 3 sensor modes available to choose from, Air Sensor Only (IN), Floor Sensor Only (OUTI and Air Sensor with Floor Limit (ALU, you can scroll through these using the buttons.
Use the button to switch off and save your settings.

We would recommend Floor Sensor Only (OUT) for wetrooms where the thermostat is located outside the heated area or where the heating is only required for floor warming. Air Sensor with Floor Limit (ALU is used where the thermostat is located within the heated room and the underfloor heating is the primary heat source. DO NOT use Air Sensor Only (IN) with underfloor heating.

Set Your Ideal Heating Programme

With 3 different options available, choose the schedule which best suits your lifestyle. Whether that is all 7 days the same (7day), 5 days and the weekend (5/2), or just 6 days and just 1 separate day (6/1).

Having initiated the advanced settings, tap the button until you reach (6PRG) to set your programme.
Use the buttons to set which programme you require.
The image above indicates a 7 day schedule. A 5/2 schedule would only show digits 1-5 & a 6/1 schedule would only show digits 1-6.
Use the button to switch off and save your settings.

Alternatively, you can switch off the heating schedule altogether – simply choose the option Programme off when setting.

Create The Perfect Heating Schedule

Please note down the scheduled times prior to beginning programming
By default, your DT-One will be set to a 5/2 schedule.
To personalise this schedule: Enter schedule mode by pressing the button

5 Day Schedule

You will see one of the 6 period symbols and the symbol
Hold the button until the first period is displayed on the screen
You can then set the start time for period 1 using the buttons
Save your start time by pressing the button, and now use thebuttons to set the desired temperature and press the button

Repeat steps for 3 & 4 to set all 6 periods

Weekend Schedule

After completing the s day schedule, press the button for weekend heating

The time you select will apply for both Sat and Sun
Save your start time by pressing the button, and use the buttons to set the desired temperature
Press the button to advance to period 2

Set the desired start lime and temperature
Finally, press the button to save your 7 day heating schedule.

Frost Protection And Manual Control

Frost Protection

An active frost protection feature will ensure your substrate never falls below 1o·c. Helping to reduce the heat up times and protecting the floor finish from potential damage.

Having initiated the advanced settings, tap the button continuously until you see the frost protection mode (5LrP)
Using the buttons, simply set this to ‘ON’ to activate.

Use thebutton to switch off and save your settings.

Maximum Floor Temperature

Having initiated the advanced settings, tap the button continuously until you see the maximum floor temperature mode (3Lit).

Use buttons to set required temperature
Press thebutton to save

Manual Control

If required you may choose to access manual control of your DT-One. You can easily switch between the manual mode and your custom schedule by tapping the button.
When in manual mode, you will see the manual control mode icon, and can manually set a desired temperature for your room by using the buttons.
The symbol will appear when the desired temperature is set above the ambient room temperature.

Error Codes

ER0

This relates to a fault with the internal temperature sensor, either through damage or disconnection.
This usually requires a replacement thermostat to correct.

ER1

This relates to a fault with the external floor sensor probe.
Contact your electrician, who can isolate the electricity supply and check the sensor is connected and working correctly.

Screen Lock

In some situations where your DT-One is installed into a location where restricted access is necessary, simply: