Controls

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Controls

Controls are the engine management system of an underfloor heating system, without them it would be like driving a car with the accelerator full to the floor and with no brakes. The controls system you choose will have an impact on running costs, comfort and connivance. The better the control system, the more automated and therefore the less intervention will be required by you allowing you to get on with more important things.

We have split our control systems in to BASIC / BETTER / BEST this allows you to easily choose the system that suits your lifestyle and budget. When asking us to provide a design and quotation, simply let us know your preferred controls options and we will include them in our design. If you are not sure of which controls you would like, that's alright, as we will give you several options to choose from on our quotation to you.

Basic Controls

With the exception of QCDTP, the basic control thermostats require to work in conjunction with a programmer to give time outputs to each circuit and a wiring centre to drive the manifold actuators. Each circuit or group of circuits will require a time channel. Time programmers come in one, two, three and four channels and more than one time programmer can be used on an underfloor circuit, so if you had six circuits you could use a four channel and a two channel time programmer.

Thermostats will control the room temperature that the circuit is serving by opening and closing the circuits actuator on the manifold. Up to four circuits can be controlled via one programmer channel and thermostat if grouped, however all four circuits will operate both time and temperature together and a suitable location for the thermostat may prove difficult to effectively control the four circuits. One exception where this may in fact be desirable is when a room is of a significant size that requires more than one circuit to heat it, then it makes sense to group these circuits together as in this instance you would wish these to work in tandem.

Better

These controls offer a greater flexibility to the programming of each space within you property, which in turn means lower operating costs. Unlike radiator systems which rapidly heat up, when switched on and cool down rapidly when switched off, an underfloor system in a solid floor has a long inertia. What does that mean? Simplistically it means that your underfloor system is lazy, when first switched on the underfloor system has to heat your floor slab, such as the concrete floor, the floor absorbs the heat from the underfloor pipe work and then gives this heat to the room. In effect the floor becomes your radiator, of course the floor is much larger than a radiator and therefore this takes time, and when the system is turned off, this large radiator will continue to give off heat for some considerable time.

This inertia is why you should never switch underfloor heating systems off, during the heating season. Far better to have each room have its own time and temperature settings via thermostats, and allowing rooms to drop a few degrees over night, with a setback temperature for night and a higher daytime temperature e.g. a living space with a daytime temperature of 21°C and a night temperature of 16°C will be far more economical than switching the system off over night and allowing the room to fall to say 10°C, it will take the floor far longer to raise the temperature by 11°C than 5°C

Each space (room) should have its own controls for the spaces function and orientation to be accurately reflected. For instance a South facing room will generally require less heat than a North facing room, and a South facing room with large glazed areas will require significantly less heat than a North facing room with large glazed areas and of course you will want a bathroom warmer than a hallway. There are of course other considerations such as prevailing wind direction, shade caused by trees, other buildings etc. If you have too few controls, you could find rooms over/under heating, which could make your home very uncomfortable.

The RF thermostats in the better section offer an easy installation when compared to hard wired thermostats and in addition save considerable costs in labour. As all the thermostats in this range are programmable with both times and temperatures there is no requirements for a separate time programmer to be used, further simplifying the requirement of installation and use.

Best

These controls offer the very latest in control technology The system is comprised of Wi-Fi ready RF thermostats & programmers which connect to your router via a Wi-Fi gateway. A free App (iOS and Android) is available to download  With this free App it is possible to control multiple zones, add multiple users, boost, change schedules, activate holiday mode and much more.

The new range of 2 way RF controls offer a stylish and reliable alternative to traditional hardwired systems. Room & cylinder thermostats are available with RF signals and a simple user interface. These components are Wi-Fi ready and can be integrated with the heating control App to provide you total control of your heating system anywhere, anytime. This is possible by using the Wi-Fi gateway which may be paired with RF thermostats & programmers. The thermostats have no switching capability, they gather data and send this back to the time programmers, which in turn switch on or off based on this information. The time programmers can be programmed at the unit or via the App, which also allows you to change the temperatures you want in each room. The ability to change times and temperatures without the App means that should you lose the Wi-Fi signal, you will not lose control of your system.

 

As the thermostats are purely sending information, rather than switching, this makes them suitable for use in areas such as bathrooms.  

 

Download the FREE app here, this app is for use with our best control system

apps-image

 

Manifold

compact polymer manifolds

QMAH230 Manifold Actuator 230v:

Each manifold circuit outlet requires to be operated by an electrical motor, known as an actuator.

The actuator requires a signal from either  a programmable room thermostat  or a time programmer to know when to power up and open the manifold circuit and allow heat to pass through it.

When there is no power to the actuator an inbuilt spring, powers the actuator closed. A visual indicator on the side of the actuator, indicates if the actuator is open or closed.