Underfloor Heating DIY

Underfloor Heating - DIY Installation Instructions

Operating Instructions

There are two main elements of control for your underfloor heating:

1. The programmable clock stat.
2. The thermostatic valve.

Programmable clock stat

This stat gives you the ability to set overall time control with two different temperature settings.

As with a more conventional heating system, the first temperature setting is used to provide a comfortable living environment - typically 21°C - for the time you spend in the room.

The second setting can be used to provide a facility called NIGHT SETBACK. Night setback is where the second temperature setting is at a much lower level - typically 16°C.

Setting the clock stat to the night setback temperature will turn the boiler and pumps off until the temperature at the clock stat drops to 16°C.

The night setback stops the room from cooling right down during the night so that the room can be brought up to a comfortable working temperature quicker and more efficiently in the morning. To set the time and temperature on the clock stat refer to the user instructions provided with the stat.

Thermostatic valve

This piece of equipment is situated at the manifold and its purpose is to blend down the high temperature water from the boiler to a lower temperature suitable for underfloor heating.

The maximum temperature setting for the thermostatic valve is 65°C.

Note

Floor heating is not a quickly responsive form of heating (like a gas fire) and can take some time to reach the desired temperature. The opposite is also true in that it takes a while for the floor to cool down.

For example, if you want the room up to temperature by 8am, set the higher temperature to 6am if you stop using at 11pm set the lower temperature setting to 9pm.

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Part of the UK Underfloor Heating Group