Honeywell Home T6 Manual
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Honeywell Home T6 Manual

Compatible with 24-230V on/off and OpenTherm appliances such as gas boilers, combi-boilers and heat pump. Also works with zone valve applications but not with electric heating (240V).

Turn OFF the power and remove the old unit

To ensure your safety, always make sure mains power is switched OFF before accessing wiring.
Before removing the old thermostat take a picture of the old thermostat's wiring as reference then proceed to installation.

Placement recommendations
The T6 thermostat should not be placed near draughts, in direct sunlight or near heat sources. It should be at least 1.2 - 1.5 meters from the floor.

Maximum cable length between Receiver box and thermostat:
15m for 0.5mm² cable or 20m for 1.0mm² cable.

Prepare Receiver Box for installation

Before installation of the Receiver Box
Find a suitable location near to the boiler.

Preparing the Receiver Box for installation
Loosen the front screw to remove cover or tighten it when the cover is back in place.

Needed during installation:

  • Cable with 2 wires from the Receiver Box (R4H810A) to thermostat.
  • Cable with 2 wires from the boiler to Receiver Box.
  • The Receiver Box requires 230V power

Install the Receiver Box

warning Please refer to the wiring diagrams

  1. Wall box or Rear Wiring
    Hinge open the terminal block flap to access the cables and wall box screw holes.
    Installing the Receiver Box - Step 1
  2. Surface wiring
    Use the cable clamps to secure the surface wiring.
    Installing the Receiver Box - Step 2
  3. Replace the cover
    Locate the hinges at the top of the cover and wall plate, close the cover and secure with the screw.

Install the Unit


Remember to use the same wires that you connected to the Receiver Box when connecting to the thermostat.

  1. Using a screwdriver open wallplate terminal cover to connect wires
    Installing the Unit - Step 1
  2. Connect 2 thermostat wires to the T and T terminals and close cover.
    Installing the Unit - Step 2
  3. Attach the thermostat to the wallplate when finished.

Complete installation

Completing the installation - Step 1
Turn ON mains power to the Heating Appliance and Receiver Box.

Completing the installation - Step 2
After power up, SETUP is displayed on the thermostat's screen.

Set Up and configuration

  1. Touch to begin setting up the thermostat.
  2. Select your language.
  3. Set the clock format, time and date.
  4. Touch to finalise setup.
    ( to setup using the App is currently unsupported)

Wiring Diagrams

  1. Basic 230V boiler
    Wiring Diagrams - Basic 230V boiler
  2. Combi boiler
    Wiring Diagrams - Combi boiler
  3. OpenTherm boiler
    Wiring Diagrams - OpenTherm boiler

warning For security reasons: Route this wiring through conduit or in the wall so it is not accessible.

  1. Two-port zone valve or S-plan
    Wiring Diagrams - Two-port zone valve or S-plan

For other wiring diagrams visit:
https://hwllhome.co/uk-wiring

* See boiler specifications for correct terminals


Once setup is completed, if you need to change more settings go to the advanced menu. To access the advanced menu press for 5 seconds.

In the advanced menu the following settings can be adjusted:

Menu Item Default Options
LANGUAGE English
  1. English,
  2. Français,
  3. Español
  4. Deutsch,
  5. Nederlands,
  6. Italiano
OPENTHERM - OpenTherm boiler data when available
CYCLE RATE 6 3, 6, 9 or 12
MINIMUM ON TIME 1 minute 1, 2, 3, 4 or 5 minutes
HEAT RANGE Min = 5.0ºC
Max = 35.0ºC
Min: 5ºC to 21ºC, Max: 21ºC to 35ºC
SCHEDULE OPTIONS Daily
  1. Daily schedule,
  2. 5+2 days schedule
EXTERNAL SENSOR No sensor
  1. No sensor,
  2. Room sensor
OPTIMISE Opt. start OFF
Opt. stop OFF

Opt. start:

  1. OFF,
  2. ON,
  3. Delayed start

Opt. stop:

  1. OFF,
  2. ON
CLOCK Format: 24h
Time: --:--
Date: 01/09/16

Clock format:

  1. 12h,
  2. 24h

Setup time and date

LOW LOAD CONTROL ON
  1. OFF,
  2. ON
TEMPERATURE OFFSET 0.0ºC -1.5 ºC to 1.5ºC
RESET - Factory, schedule, WiFi and HomeKit reset
FAILSAFE OFF
  1. OFF,
  2. ON

Need help? For assistance please visit: getconnected.honeywellhome.com
Resideo, 200 Berkshire Place, Winnersh Triangle, Berkshire RG41 5R
Phone: 0300 130 1299

warning Must be installed by a competent person!
Read these instructions carefully. Failure to follow these instructions can damage the product or cause a hazardous condition

Documents / Resources

References

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Honeywell Home T6 Manual

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