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Underfloor Heating
Application

  • CeraPro: Bathrooms, kitchens, living areas and conservatories. Particularly useful for irregularly shaped floor areas.
  • T2Blue: Bathrooms, stairs, living areas and conservatories.
  • T2Red and T2Red with T2Reflecta: Living rooms, kitchens, bathrooms, dining rooms, bedroom rooms and conservatories.
  • RAYCHEM Custom Mats: Custom built to fit the exact dimensions of the floor areas.
  • Top floor and subfloor: Varies depending on system used, consult literature for details.

Description

A range of electrical underfloor heating system options, including thermostats and accessories.

Features and benefits:

  • Comfortable and safe.
  • Hassle free installation and maintenance free.
  • Energy-efficient and cost saving.
  • Can be installed under all floor coverings.
  • CE marked.
  • Total care warranty.

Underfoor heating range:

  • T2Red: The innovative and unique self-regulating floor heating cable.
  • T2Red with T2Reflecta: The energy-saving underfloor heating system. This system combines the self-regulating heating cable T2Red with T2Reflecta, the grooved, thermally insulated, aluminium-covered plate.
  • T2QuickNet: The ultra-thin heating mat (two power options available).
  • T2Blue: The robust, flexible, pre-terminated (dual wire, and screened) cable system.
  • T2Green: The low output heating cable designed especially for very well insulated and near zero energy houses.
  • RAYCHEM Custom Mats: The pre-fabricated underfloor heating mats are custom built to fit the exact dimensions of the floor area, with dual conductor braided heating wire laminated between two layers of polyester fabric.
  • CeraPro: The 3 mm ultra-thin, robust, under tile heating cable solution with 'tape and mesh' fixing accessories included. Suitable for tiles or natural stone covering.
  • 'Smart' thermostats which offer zoned, programmable heating control, a requirement of the Building Regulations Approved Document L.
  • A complete range of installation accessories and components including: Floor primers, adhesives and fixing accessories.

Consult technical literature for design (power output, cable length etc.) requirements depending on whether installation on new construction or renovation. Packs as well as individual components are available, consult manufacturer for details and insert requirements under 'Product reference'.

Self-regulating heating:

The cable automatically adjusts its power output long its entire length to compensate for temperature changes. This is achieved within the conductive core which is extruded over the two parallel conductors, as the temperature drops, the core contracts microscopically and the number of electrical paths through the core increases resulting in more heat being produced. Conversely the opposite occurs when the core expands and less heat is produced when the ambient temperature rises.

- Benefits:

  • Avoids overheating. The cable can be closely spaced.
  • Maintenance free.
  • The cable can be cut to length and installed directly on to the existing floor.
  • Certified for use on wooden floors.
  • Energy efficient by adjusting the room temperature it can optimize energy consumption.

Applications:

  • CeraPro: Bathrooms, kitchens, living areas and conservatories. Particularly useful for irregularly shaped floor areas.
  • T2Blue: Bathrooms, stairs, living areas and conservatories.
  • T2Red and T2Red with T2Reflecta: Living rooms, kitchens, bathrooms, dining rooms, bedroom rooms and conservatories.
  • RAYCHEM Custom Mats: Custom built to fit the exact dimensions of the floor areas.
  • Top floor and subfloor: Varies depending on system used, consult literature for details.

General information
Uniclass 2015
Ss_60_40_92_27 Electric underfloor heating systemsPrimary
CAWS

T90/475 Underfloor heating systems

T90/63 Underfloor heating systems

Specification data - Electric underfloor heating systems
Product Reference

Electrical Underfloor Heating Systems

Self-regulating, underfloor heating cables

T2Red

T2Red with T2Reflecta (grooved, thermally insulated, aluminium-covered plate)

Constant wattage custom underfloor heating mats

Not required

RAYCHEM Custom Mat

Please provide an accurate drawing of the room, including full onsite dimensions, desired thermostat location and all obstructions identified. Consult manufacturer for further information.

Constant wattage standard underfloor heating mats

T2QuickNet 90

Delivering 90 W/m², available in a range of sizes 1-12 m² (each with 2.5 m cold lead) and capable of 33 m² maximum heating cable area (for 3000W load) per 13 A electrical circuit.

T2QuickNet 160

Delivering 160 W/m², available in a range of sizes 1-12 m² (each with 5 m cold lead) and capable of 18 m² maximum heating cable area (for 3000W load) per 13 A electrical circuit.

Constant wattage underfloor heating cables

CeraPro

T2Blue 10 W

T2Blue 20 W

T2Green

Energy efficient controls

RAYCHEM GREEN LEAF

Digital floor and ambient temperature sensing thermostat with two operation modes.

RAYCHEM NRG-DM

Programmable digital floor and ambient temperature sensing thermostat with three operating modes.

RAYCHEM SENZ

Programmable digital floor and ambient temperature sensing thermostat with seven operation modes.

RAYCHEM SENZ WIFI

Programmable digital floor and ambient temperature sensing thermostat with WIFI.

Standard product features

Design:

The manufacturer shall be able to provide heat loss calculations and corresponding selection of underfloor heating cables, system layout and schematic drawings, electrical schedules indicating cable length and circuit protection, controller configuration listing and wiring diagrams.

Electrical connection:

  • Supply voltage: 230 VAC/ 50 Hz.
  • Connections between the electrical supply, control panel and underfloor heating circuits shall be installed by an approved electrical contractor
  • Circuit breaker protection required by MCB (BS EN 60898 type C or D). Residual current device required, RCD (30 mA sensitivity, tripping within 100 ms).

Installation:

The underfloor heating cables shall be installed in accordance with the design plans, within the defined maximum circuit length, tested and commissioned strictly to manufacturer instructions and closely coordinated with the responsible sub-contractors.

Product Options

Self-regulating, underfloor heating cables:

- T2Red:

  • Power output: 50–100 W/m² [5 -15 W/m] (approximately).
  • Voltage: 230 VAC.
  • Maximum heating cable circuit length: 100 m at 10 A.
  • Cold lead: Not required, direct connection possible in junction box or to thermostat.
  • Electrical protection: 10 A circuit breaker (Type C).
  • Earth leakage current (RCD): 30 mA, 100 ms.
  • Minimum bending radius: 35 mm.
  • Maximum self-generating temperature: 45°C.
  • Maximum exposure temperature: 65°C.
  • Size (w x h): 6.0 mm x 8.7 mm (maximum).

- T2Red with T2Reflecta:

  • As T2 Red, with Reflecta plate.
  • Material: Aluminium (0.5 mm thickness with 12.5 mm EPS).
  • Plate size: 720 x 400 x 13 mm.
  • End plate: 100 x 400 x 12.5 mm.
  • Fire classification: DIN 4102-B1.
  • U-value: 2.33 W/m²K.
  • Thermal conductivity: 0.033 W/(mK).
  • Thermal expansion coefficient: 2.4 x 105 1/K.
  • Long term pressure capability: 140 kPa (14 000 kg/m²).

Constant wattage custom underfloor heating mats:

- RAYCHEM Custom Mat:

Custom designed; consult manufacturer for details.

- Constant wattage standard underfloor heating mats:

Complete with two wire constant wattage cables (to ensure negligible electro-magnetic field generation), Teflon inner and LSZH outer jacket, electrical braid (to provide electrical protection) and a flat cold lead cable (to enable a lower profile installation). Pre-terminated heating cable, fixed within the mat and held in place by the matting itself and not by fixing tape (to avoid air gaps and associated potential hot spots). The overall thickness shall be no more than 3 mm (including the mat base). The heating cable shall be easily detachable from the mat (to lay loose cable around obstacles). The underfloor heating mat shall be self-adhesive and PVC free.

- T2QuickNet:

  • Voltage: 230 VAC.
  • Mat material: 50 mm wide fibre glass (self-adhesive).
  • Heating cable diameter: 3.4 mm.
  • Minimum bending radius: 30 mm.
  • Constant wattage cable: T2QuickNet 90: 8.1 W/m, T2QuickNet 160: 11.2 W/m.
  • Cable spacing: T2QuickNet 90: 90 mm, T2QuickNet 160: 70 mm.
  • Insulation outer jacket: Fluoropolymer.
  • Maximum load without contactor to thermostat: 3000 W.
  • Maximum heated area for 3000 W load: T2QuickNet 90: 33 m², T2QuickNet 160: 18 m².
  • Cold lead length: T2QuickNet 90: 2.5 m, T2QuickNet 160: 5 m.
  • Electrical protection circuit breaker: 13 A (maximum).
  • Earth leakage current (RCD): 30 mA, 100 ms.
  • Thermostat: NRG-DM.

Constant wattage underfloor heating cables:

- CeraPro:

  • Heating cable: 11 W/m.
  • Power output: Dependent on cable spacing, 100–150 W/m² recommended.
  • Voltage: 230 VAC.
  • Minimum heater spacing: 50 mm.
  • Outer jacket material: Robust, durable fluorpolymer.
  • Connecting cable length: 2.5 m.
  • Heating cable external diameter 3.4 mm.
  • Minimum bending radius: 30 mm.
  • Approvals: CE marked, tested to IEC60800 heating cable standard, UkrSEPRO and EAC.
  • Thermostat: NRG-DM, NRG-Temp or GREEN LEAF.

- T2Blue:

  • Voltage: 230 VAC.
  • Circuit breaker: 13 A (maximum).
  • Fault current switch: 30 mA, 100 ms.
  • Maximum load without power contactor: 3000 W.
  • Minimum bending radius: 30 mm.
  • Minimum heater spacing: 50 mm.
  • Maximum heating cable length: T2Blue 10W: 200 m, T2Blue 20 W: 115 m.
  • Cold lead: 2.5 m.
  • Rated maximum temperature: 65°C.
  • Heating cable external diameter: 5.5 mm.
  • Outer jacket material: LSOH.
  • Heating conductor insulation: Fluorpolymer.
  • Length of connecting cable: 2.5 m.
  • Approvals VDE, SEMKO, CE, UkrSEPRO and EAC.

- T2Green:

Consult manufacturer for details.

Energy efficient controls:

- RAYCHEM GREEN LEAF:

  • Suitable for use with the following floor heating systems: T2QuickNet, T2Red, T2Blue and CeraPro.
  • Large and clear display.
  • Easy navigation.
  • Built-in four event programmable function.
  • Three operation modes: Standard comfort, editable and holiday modes.
  • Supply voltage: 230V/ 50 Hz.
  • Relay output: 13 A (maximum).
  • Ingress protection: IP 20.
  • Floor sensor (external sensor): With 3 m cable, type NTC 10K at 25°C. Compatible with existing Raychem NRG-Temp floor sensor.

- RAYCHEM NRG-DM:

  • Large dot matrix display (1.8") with blue backlight.
  • Two sensors, four sensing modes: Floor sensing, room sensing, room sensing with floor limiter or no sensor mode.
  • Three working modes: Constant, event or boost mode.
  • Various setting options: Event, user or engineer settings.
  • Ingress protection: IP21.
  • Floor sensor: Compatible with floor sensors from 2–30 kΩ.
  • Supply capacity/ Voltage: 13A/ 230 VAC.
  • Temperature range: 5–40°C.
  • Ambient temperature-operation: 0–25°C.

- RAYCHEM SENZ WIFI:

  • Seven operating modes (three economy programs plus constant/ flexible boost/ holiday and OFF).
  • Adaptive to the environment and floor construction, calculating when to start heating.
  • Includes window open function.
  • Optimum heat management with both ambient and floor sensors.
  • Operating in floor sensing mode, room sensing mode, room sensing mode with floor temperature limiter or in regulator mode without using any sensor.
  • With dual navigation, swipe and touch, large icons in central menu.
  • Scroll for list selection and wheels for temperature selection.
  • WIFI connectivity to control, program and monitor efficiency through the SENZ-WIFI app (iOS and Android).
  • Change of program and temperature via smart phone or tablet.
  • Controls up to 32 zones (rooms and/ or houses).

- RAYCHEM SENZ:

Includes all the features of RAYCHEM SENZ WIFI, but without the Wi-Fi connectivity.

Third party certifications
  • CE marked : Applies to underfloor heating cables, controls and system components