Henrad 300 x 1500 HENRAD SINGLE 11

Distinctive Appearance and Outstanding Performance

Features:

• Slim, unobtrusive appearance.
• Will blend with any décor
• Fast, economic heat up
• High performance with efficiency
• 149 models for sizing flexibility
• Stylish top grille and end panels
• 10 year warranty
• Excellent quality from leading manufacturer
• Top grill designed to reduce dust accumulation

Temperature table

The outputs shown in this information have been derived from a set test procedure as required under European test standards BS EN 442 (75C flow; 65C return; 20C room temperature). As with all manufacturers the radiator’s true output needs to be recalculated If the installation differs from the above parameters. It is common practice, though this may vary, to install radiators with an 82C flow and 70C return, ie a mean water temperature (MWT) of 76C.

The room temperature requirement will also differ around the home for example a bedroom will be heated to 18C and the lounge may be heated to 21C; by subtracting the room temperature requirement from the MWT (76C – 21C = 55C) you will be able to use the correction table to identify the factor that needs to be applied to gain the correct output for the radiator.

For example, at 55C a correction factor of 1.132 is required, multiply the radiator output by this factor to gain the new output. If you have calculated a heat requirement for a room, divide the heat requirement by the factor to give the correct radiator output from the Henrad range.

Temperatures – differences between man water temperature and room temperature in C and F other than 50C (90F).

Testing and operating pressures

All models are high pressure tested to withstand 10.5 bar (152.3 psi), to perform at a maximum working pressure of 8 bar (116 psi) at a maximum temperature of 95C. Higher working pressures are available by request.

Connections

Each Henrad radiator has 4 X 0.5 inch connections as standard. There is also a 0.75 inch valve adaptor available, which provides a 0.75 inch connector option to the valve without reducing performance.

Applications

Henrad radiators are suitable for two pipe installations. For single pipe applications, it is advisable to use diversion tees in the pipework, as this will assist in obtaining design performance from the radiators.

Although Henrad radiators are suitable for Microbore pipework, the back tappings make it unsuitable for twin entry valves.

Installation

Everything required for installation can be found within the robust packaging.

Brackets are of a strong design, with open top and deep slots, which facilitate easy and secure installation. Plastic inserts seat the radiator precisely on the bracket minimising expansion and contraction noise. The neat nickel plated plug and vent provide a watertight joint, whilst complementing the superior finish.

To facilitate easy one off replacement nickel plated brass  extension pieces are also available complete with sealing washer in 20mm, 30mm and 40mm options.

Recommended height from the floor to the base of the radiator is 150mm minimum. This allows adequate airflow when the radiator is placed on the bracket.

Caution

When designing for domestic systems we recommend that the Henrad Radiators be used on in heating systems complying with the BS code of practice for Central Heating and Domestic Premises BS5449 Part 1.

Single feed, indirect cylinders are not recommended as should interchange of water occur, fresh aerated water would enter the heating system, resulting in corrosion.

Water Treatment

On completion of the installation the system should be properly flushed and filled in accordance with the BS Code of Practice for Treatment of Water in Domestic hot Water Central Heating Systems BS 7593.

This will remove flux residues and installation debris, which might promote corrosion and damage within the system. If it is  decided to apply a corrosion inhibitor to maximise the working life of the system it should be applied in accordance with the manufacturers instructions and should be suitable for the particular metals within the product.

Two Coat Paint Process

Each Henrad Compact Radiator is subjected to a multi stage cleaning and paint process. However unlike the other manufacturers the first coat of paint is applied cataphoretically, this technology is used extensively in the automotive industry. The process ensures a more even and deeper penetration of paint, especially in hidden areas thus proving maximum protection against corrosion. The final powder coat is warm white (RAL 9010) which is stoved and cooled to give a perfect finish.