Technical specifications of The Box system
General:
| Max supply temperature: | 50 °C |
| Maximum heat output with tiles: | 100 watts per m² |
| Maximum heat output with wooden flooring: | 70 watts per m² |
| Maximum circuit size: | 12 m² |
Panels:
| Building height: | 12.5mm & 20mm. |
| Dimensions of straight panel: | 1175 x 768 mm. |
| Dimensions of U-turn panel: | 768 x 192 mm. |
| Groove’s center-center spacing: | 192 mm. |
| Insulation material: | Compressed expanded polystyrene (EPS) |
| EPS density: | 40 kg/m³ |
| Max short-term load: | 300 kPa (~300 kg/dm²) |
| Max long-term load: | 120 kg/dm² (12 tons/m² distributed load) |
| Heat diffusion material: | Aluminium foil |
| Thermal conductivity of aluminium: | 200 W/(m °C) |
| Foil thickness: | 0.1 mm |
| The foil is laminated onto the EPS with thermally activated adhesive. | |
Pipe:
| Dimensions: | 12 x 1.1 |
| Maximum pressure: | 6 bar. |
| Min. bending radius: | 60 mm. |
| Maximum circuit length: | 70 m. |
| Volume of water in a 70 metre circuit: | 5.3 litres |
| Material: | PEX-EVOH-PEX (oxygen barrier) |
| PEX density: | 944 kg/m³ |
| PEX elongation at break: | 400 % |
| PEX softening point temperature: | 126 °C |
| PEX thermal conductivity: | 0.38 W/(m×K) |
The pump unit with temperature reduction:
| Pump brand: | WILO RS 15/4 – 3P |
| Voltage: | 230 V. |
| Delivered with UK socket, wire length 1.5 m | |
| Dimensions: | length 35 cm, height 13 cm, depth (including bracket) 15 cm. |
| Enclosure class: | IP 44 |
| Maximum pressure: | 10 bar. |
| Pump operation: | Three speeds:(I) 1300 rpm, (II) 1650 rpm, (III) 2050 rpm |
| Electric power: | (I) 30 W, (II) 46 W, (III) 65 W |
| Electric current: | (I) 0.13 A, (II) 0.20 A, (III) 0.28 A |
Pump performance: | |
| Room temperature control: | Delivered with a thermostatic head with capillary tube sensor, length 2 m (may be changed to a wireless room thermostat) |
| Delivered with supply temperature thermometer Delivered with brackets for mounting | |
Wireless room thermostat:
| Max. distance, receiver-thermostat: | 25 m |
| Thermostat frequency: | 433,92 Hz |
| Receiver voltage: | 230 V (cable for connection to mains is not included) |
| Room thermostat: | 2 x Lithium batteries CR 2430/ 3 V (included in delivery) |
| Battery lifespan: | 2 years |
| Enclosure class, receiver: | IP44 |
| Enclosure class, room thermostat: | IP30 |
| Enclosure class, actuator: | IP44 |
| Dimensions, receiver: | Length 170 mm, width 50 mm, depth 28 mm. |
| Dimensions, thermostat: | Length 80 mm, width 80 mm, depth 31 mm. |
| Weight, receiver: | 190 g |
| Weight, thermostat: | 85 g |
| Temperature span: | 5 – 30 °C |
| Night set-back switch: | reduction of 4 °C |
| Actuator type: | Closed when non-energized |
The Box kit contents:
| 6 m²: 6 straight panels 6 U-turn panels 1 roll of aluminium tape 2 pipe fittings 2 bending units 40 m. pipe |  |
| 9 m²: 9 straight panels 9 U-turn panels 1 roll of aluminium tape 2 pipe fittings 2 bending units 55 m. pipe |  |
| 12 m²: 12 straight panels 11 U-turn panels 1 roll of aluminium tape 2 pipe fittings 2 bending units 70 m. pipe |  |
Recommended Box setups for different sizes of floor areas:
| 0-6 m² | 6 m² Box kit + pump. |
| 6.1-9 m² | 9 m² Box kit + pump. |
| 9.1-12 m² | 12 m² Box kit + pump. |
| 12.1-15 m² | 6 m² Box kit + 9 m² Box kit + pump + double outlet manifold. |
| 15.1-18 m² | Two 9 m² Box kits + pump + double outlet manifold. |
| 18.1-21 m² | 9 m² Box kit + 12 m² Box kit + pump + double outlet manifold. |
| 21.1-24 m² | Two 12 m² Box kits + pump + double outlet manifold. |
| 24.1-27 m² | Three 9 m² Box kits + pump + triple outlet manifold. |
| 27.1-30 m² | Two 9 m² Box kits + one 12 m² Box kit + pump + triple outlet manifold. |
| 30.1-33 m² | Two 12 m² Boxes + one 9 m² Box kit + pump + triple outlet manifold. |
| 33.1-36 m² | Three 12 m² Boxes + pump + triple outlet manifold. |
Click here to let floorheater work out the Box set-up that suits your requirements.
