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Lyric T6 Smart Thermostat

Lyric T6 Smart Thermostat

The T6/T6R smart thermostats are designed to provide automatic time and temperature control of heating systems in homes and apartments.

Product Description

The T6/T6R smart thermostats are designed to provide automatic time and temperature control of heating systems in homes and apartments. 

  • Guided setup on Thermostat and App
  • Location based temperature control (Geofencing)
  • Smart Home ready

It is compatible with 24-230V on/off and OpenTherm(R) appliances such as gas boilers, combi-boilers and heat pump.

Also works with zone valve applications but not with electric heating (240V). 

Technical Properties

Modes of operation

Off mode, following schedule, Geofence schedule, Holiday, Permanent Hold

Control functions

Fuzzy logic Proportional + Integral temperature control 

Heating /Cooling application Heating only
Time setting resolution

10 minutes

Programmed on/off periods per day 6
Holiday mode Yes
Optimisation Yes
Temperature setpoints per day

user selectable

Heat anticipator No
  • EMC:2014/30/EU
  • LVD: 2014/35/EU
  • R and TTE: 1999/05/EC
  • WEEE: 2012/19/EU
  • Wireless LAN: IEEE 802.11b,g,n
  • RF communication: ISM 868.0-870.0 MHz Receiver Category 2
ErP Class V
Temp. element place internal
Temp. setpoint range 5 ... 35 oC
Temperature control accuracy 0.5 oC
Setpoint blocking Yes
Setpoint limiting Yes
Control output signal

Switching volt free relay and OpenTherm(R)

Display functions

LCD touch screen

Earthing double insulated
Protection class


Terminal max. wire size 1.5 mm2
Power source

Mains connected

Memory back-up


Ambient temperature 0 ... 50 oC
  • Attractive, ultra-modern styling makes it ideal for any location in any type of home
  • Table stand or wall-box mounting thermostat options to fit a new and replacement installations
  • Wi-Fi communication to connect to the Internet
  • Smart Home and Apple HomeKit ready
  • Honeywell Home mobile App for: Remote view and change of Settings, Schedule changes, Smartphone Geolocation temperature control
  • A dynamic text display on the LCD that gives enhanced feedback to the user/installer
  • High LCD Contrast and backlighting for easier viewing in all light conditions
  • Time out screen with selectable brightness
  • Factory programmed daily or 5+2 default heating schedule
  • Schedule with up to 6 independent time and temperature pairs to suit the comfort needs
  • Hold until temperature override of programmed schedule temperature till the next switch point
  • Schedule off mode for manual operation
  • Set point and room temperature always displayed
  • OFF position has an integral frost protection setting at minimum 5 C so that pipes in the house will never freeze in winter
  • Alert messages to assist in fault-finding
  • Receiver box with clear LED indication and override button
  • A flip up wiring platform for easy wiring
  • On/Off or OpenTherm compatible heating control
  • User menu allows extra functions to be set at the discretion of the user: Language selection, Wi-Fi Setup, Optimisation, Clock Setting, Resetting the heating program to factory Default, Brightness, Temperature Offset, Lock function
  • Advanced menu (Installer Set-Up) allows extra functions to be set at the discretion of the installer to match the consumers applications and needs: Language selection, 5+2 or daily schedule Option, Upper/Lower Set point Limit Adjust, Minimum ON time, Cycle rate, Factory reset, Binding (wireless version)

Certifications and Awards

Related Material


Product Type Product description
Default time display format
Product literature language
Housing (HxWxD)
Power supply
T6 wired, Wall mounted


T6 wired Smart Thermostat kit (UK)



103 mm | 103 mm | 28 mm

20Vdc/300mA by receiver box

T6R wireless, Table stand


T6R wireless Smart Thermostat kit (UK)



108 mm | 103 mm | 68 mm

5Vdc power adapter


Accessories and replacement parts

Accessories for wall mounted Lyric

Image Description Product Type Downloads
Large cover plate ACC400  

Accessories for wired Lyric

Image Description Product Type Downloads
Remote temperature sensor F42010972 001  

Spare parts

Image Description Product Type Downloads
Spare Boiler Relay for Wired T6 R4H810A1004  
Spare Boiler Relay for Wireless T6 R4H910RF1004