Radiant Heating Panel

DISCREET HEAT FOR DRAMATIC WARMTH.

Safe, unobtrusive, large surface radiant panels are available for use with steam, hot water or thermal oil heating sources. Panels can be installed as an inconspicuous floor, wall or ceiling finish or as a dramatic design feature.

Available in any colour, these single or multi panel options are easy to install and fit any interior.

As the sun radiates warmth and light, thermal radiation is only effective when its rays shine on an object. The air is therefore not warmed directly. Even when the air is very cold it is possible to feel warm.

Turnbull & Scott radiant panels apply this natural principle. The perceived temperature is about 3°C higher than the air temperature, resulting in comfort at a lower room temperature.

Heated by hot water or steam, Turnbull & Scott radiant panels create healthy warmth. They operate without causing air or dust movement. This in turn assists in the prevention of allergies and illnesses.

FEATURES & BENEFITS

• Attractive, slimline appearance, with 15mm diameter tubes.
• Lightweight. Easy to assemble and install.
• No welding required. Threaded or press fit connections simplifies installation and facilitates easy system extension when premises are enlarged.
• High heat emission (tested in accordance with EN 14037). The efficient heat transfer of our radiant panels ensures the highest possible heat output, further reducing costs.
• Rapid reaction time. Thanks to low storage mass and low water content.
• Corrosion prevention. Our radiant panels are corrosion inhibited. The relevant test was carried out in accordance with DIN 50017 “Condensation on Water Test Atmospheres”.

• Special version for damp locations. Turnbull & Scott radiant panels are suitable for washrooms, HGV washing bays, butchers’ premises, etc.
• Modular construction: 2,3,4,5 and 6m lengths. Our modular radiant panel system offers the right solution for any installation situation.
• Easy to store. Only one module width – 320mm – uses storage space effectively.
• Flexible, straightforward fastening system. Simplifies installation as well as reconfiguration or extension.
• Installation. Turnbull & Scott crews are available for UK wide efficient installations further reducing costs and lead times.

Panel Sizes & Combinations
MODULAR PANEL SYSTEM

• Single Panel available in sections 320mm wide x 2000, 3000, 4000, 5000 or 6000mm long.
• Double Panel Combinations available 704mm wide x 2000, 3000, 4000, 5000 or 6000mm long.
• Triple Panel Combinations available 1088mm wide x 2000, 3000, 4000, 5000 or 6000mm long.
• Quadruple Panel Combinations available 1472mm wide x 2000, 3000, 4000, 5000 or 6000mm long.

Resistance Loss Calculation. The resistance loss of our Radiant Panels is calculated as the sum of the tubing-group resistance loss and of the resistance loss in the group connections to the piping system. When volumetric flow controllers are installed, the additional resistance loss as per the graph below (resistance loss/combined volumetric flow controller) must be used.

Heating Water Flow Rate. The thermal output data apply to fully developed turbulent flow regimes within the tubing of the radiant panel. The minimum flow velocity necessary for this purpose is determined by the return temperature tR. The minimum heating-water mass flow per tube group is obtained from the table shown.

Hot-water Flow Rate Less Than Minimum Value. If the minimum flow rate per tube group (4 parallel tubes) cannot be reached and if it is not possible to connect several panels in a series, a heat emission reduction of 15% must be allowed for. This means that an emission correction factor of about 1.18 must be used when designing the panel.

Automatic Hydraulic Equalisation. The volumetric flow is limited and held constant as a result of using the dynamic combined volumetric flow controller. The volumetric flow is maintained at the desired value independently of any resistance loss (pressure drop) through the valve when a controller is used. The controller is set to operate at the maximum desired volumetric flow. A constant volumetric flow in the radiant panel is thereby ensured.

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