Manuals+

Wireless Room Thermostat DT92E

Installing the DT92 Room

The device takes 2x AA batteries. ?

Before mounting DT92 onto the backplate:

Diagram shows the front of the DT92E thermostat unit and the rear backplate. The thermostat is a white rectangular device with a screen and buttons. The backplate is a mounting plate. Multilingual labels are provided for the thermostat (e.g., DT92E Room Thermostat, DT92E Termostato de Ambiente, Thermostat d'ambiance sans fil DT92) and backplate (e.g., DT92E Backplate, DT92E Tapa posterior, Socle mural DT92E).

Control Layout

Diagrams illustrate the control layout of the DT92A and DT92E Room Thermostats.DT92A: Features include 'frost protect indicator' (❄️), 'heating demand indicator' (?), 'temperature display' (e.g., 21.5°C), 'setpoint indicator' (?), 'fault indicator' (❗), 'battery low warning' (?), 'RF communications indicator' (?), and 'off/standby indicator' (?).DT92E: Features include 'ECO mode active' (ECO), 'ECO countdown indicator' (⏳), 'setpoint change buttons' (⬆️⬇️), 'ECO button' (ECO), 'off/standby button' (?), and 'ECO mode countdown timer' (⏰).

Locating and Mounting the Room Thermostat

Locating the Room Thermostat

For best performance, install in an open space where DT92 can sense the room temperature, and where the signal strength is high. The Room Thermostat can be mounted on a wall or on the optional table stand. Leave at least 30cm distance from any metal objects and at least 1 metre from any other electrical equipment. Select the preferred location.

Diagram shows an ideal room placement for the thermostat, indicating an open space away from radiators and windows, with a recommended distance of 1.2 meters from other electrical equipment.

Mounting the Room Thermostat

Diagram illustrates wall mounting steps: a. The backplate is attached to the wall using screws (max 3mm depth). b. The thermostat unit clicks onto the backplate. An optional table stand is also shown, allowing the thermostat to be placed on a surface.

Basic System Operation

Pairing and Clearing the Thermostat

How to Clear the memory:

  1. On the Thermostat, press and hold the power button for 2 seconds to put the unit into standby.
  2. Press the TOP AND DOWN arrow buttons together until "Inst" is displayed on the screen.
  3. Press the down arrow once to go to "C0nt".
  4. Press the Up arrow 3 times to get to "Clr", then press the OFF (power) button.
  5. The memory of the Thermostat is now cleared.
A sequence of diagrams illustrates the process for clearing the thermostat's memory, showing button presses and screen displays for standby, "Inst", "C0nt", and "Clr" modes.

How to pair the Thermostat to the Link Plus:

  1. Open the Link Plus app. Press the Plus Icon to Add a device, then select "LINK HONEYWELL HOME DEVICE".
  2. Give the device a name on the app.
  3. On the Thermostat, press and hold the power button for 2 seconds to put the unit into standby.
  4. Press the TOP AND DOWN arrow buttons together until "Inst" is displayed on the screen (Installer mode).
  5. Press the down arrow once to go to "C0nt".
  6. Press the OFF (power) button on the Wireless Thermostat.
  7. On the Link Plus app, press the "LINK" Button; the device should pair.

Make sure the unit is around 1 meter from the Link Plus device while trying to pair it to the app.

A diagram shows a person holding the thermostat approximately 1 meter away from a Link Plus device, emphasizing the recommended pairing distance.

Usage

Set temperature, adjustment

Diagrams demonstrate adjusting the temperature using the up (⬆️) and down (⬇️) arrow buttons on the thermostat.

Switch ON/OFF (frost protection enabled)

Diagrams show how to switch the thermostat ON/OFF. To enable frost protection, press and hold the power button for 2 seconds.

ECO Mode

Pressing the green ECO button gives a timed period at a different, predefined temperature.

A diagram illustrates pressing the green ECO button on the thermostat, showing the ECO indicator and a time setting (e.g., "-1hr").

Specifications

ELECTRICAL

Room thermostat Power supply: 2 x 1.5V IEC LR6 (AA) Alkaline cells.

Battery life: Minimum 2 years (with correctly specified alkaline cells). ?

Battery low warning:

Display indicates when battery power reserve is low. Unit will continue to function for a minimum of 4 weeks after the first indication is given. ❗

Battery replacement:

Configuration settings stored in NVRAM, so are retained during battery replacement. ⚙️

METRICS

Dimensions: 90 x 92 x 27mm (thermostat); 90 x 92 x 30.5 mm (relay box: 157 x 115 x 105 mm (pack)).

Weights: 154g (thermostat with batteries); 96g (relay box); 380g (pack).

Models: DT92E Wireless Room Thermostat, DT92E, Wireless Room Thermostat, Room Thermostat, Thermostat

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