Intelligent low-temperatur radiator.
Perfect comfort concerning heat at a supply temperature even lower than 40°C.
Every year this coveted, internationally renowned trophy singles out innovative design products. These products are submitted from all around the world and are nominated by an international jury of leading experts, in an evaluation process that takes several days.
The low temperature radiator ULOW-E2 combined with E2 technology is a unique concept that gives high heat outputs even with low water temperatures without compromising style. The ULOW-E2 low temperature radiator can easily be used at a supply temperature of even lower than 40°C with modern and conventional energy sources, such as oil or gas but also with renewable energy sources such as heat pump or a solar spring.
Not just the high efficiency is a huge advantage of the E2-technology but also the unique and successful design points out: That’s a high-tech heat emission system, which introduces a new age and will be the new generation of heat emission.
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The key feature of the ULOW-E2 is the fans, which assist the natural convection. The intelligent control panel will automatically switch between static and dynamic operation depending upon the room condition. The radiator is at its highest efficiency during static operation, therefore the fans will only be active when necessary.
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The ULOW-E2 provides radiant heat via the water filled front panel, however enhanced convection will also come from the fans. Due to the intelligent control between static and dynamic operation heat-up times will be rapid. Maximum thermal comfort can be achieved even with water supply temperatures as low as 40°C. |
Flexible pre-piped construction methods are here to stay, therefore the ULOW-E2 central connection will make a significant contribution to reduce the installation costs. This will give more freedom for design and planning.
The ULOW-E2 is supplied as a ready-to-fit product and is as easy, flexible and economical to install as a standard radiator.
All installation devices are freely accessible. This method of installation saves money and time at every service and cleaning. The cleaning at an ULOW-E2 is the same than at every other radiator. The fans are removable to the right and to the left.
In comparison to many other products in the current market the ULOW-E2 has high energy saving potential due to the possible reduction of the water temperature.
With E2-technology the entire heating system can be operated a lot more efficient.
Due to a high proportion of radiant heat as well as convection demand optimization from the fans, the ULOW-E2 ensures rapid heat-up times. In winter or night setback periods heat losses are rapidly compensated.
Ideal for renovation and new construction
After the installation of a modern heating source the conditions are perfect for the use of ULOW-E2. In a reconstructed building the use of low temperature radiator ULOW-E2 is recommended, it is also recommended for a new buildings and can be used with a combination of other heat emitters.
The key feature of the ULOW-E2 is the fans, which assist the natural convection. The intelligent control panel will automatically switch between static and dynamic operation depending upon the room condition.
The radiator is at its highest efficiency during static operation, therefore the fans will only be active when necessary.
In comparison to a fan convector the ULOW-E2 benefit from a much higher percentage radiant heat, this is due to the water filled panels at the front and back.
The ULOW-E2 is supplied as a ready-to-fit product and is as easy, flexible and economical to install as a standard radiator.
The low temperature radiator ULOW-E2 combined with E2 technology is a unique concept that gives high heat outputs even with low water temperatures without compromising style.
Regardless of whether it is “Comfort” or “Boost mode”, the supply flow temperature must be at least 3°C higher than the measured room temperature, and at the same time the measured room temperature has to be lower than the pre-set target room temperature. If either of these conditions are not met then the fans will not activate / switch off.
The supply flow temperature must be 3°C lower than the measured room air temperature, and at the same time the measured room temperature has to be higher than the pre-set target room temperature. If either of these conditions are not met the fans will not activate / switch off.
The default factory settings such as duration of boost operation, offset of the measured room air temperature and/or offset between output flow and room temperature can be changed to suit individual user requirements.
The ULOW-E2 is available in the following dimensions.
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double-layer with two convection sheets |
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 Height |
500 | 600 | 900 | ||
 Length |
400 to 2000 | ||||
 Depth |
107 | ||||
Steps: all overall length starting with 400 mm available in steps of 200 mm
Connections: 4 x G ½ internal thread and 2 x G ¾ external thread, underside centre.
Thermostat valve top right (can be swapped to top left problem-free).
Maximum positive operating pressure: 10 bar
Maximum operating temperature: 60 °C (because of the fan units)
Safety class: IP24
The ULOW-E2 LOW TEMPERATUR RADIATOR is - with its welded in set of T-shaped valves - suitable for double-pipe installations as well as single-pipeinstallations, using a single-pipe manifold. Additionally to the central connection from the bottom, the sophisticated design makes possible other connections used at compact radiators, such as the single-sided and two-sided connection.
Radiators are delivered ready for double-pipe installation and with a factory-adjusted kv-setting, appropriate to the radiator output.
For district heating installations with a big difference between water supply and return temperature, a valve unit that allows a precise and stepless adjustment is available on request.
Of course it is also possible to change the pre-adjusted valve setting when the equipment is operating at pressure.
Setting instructions:
VOGEL&NOOT valve radiators are factory-fitted for double-pipe installations. Each individual radiator is fitted with a pre-adjusted valve insert, appropriate to the radiator output. The preset kv-value is also marked in colour on the front surface.
Please note:
Should customised adjustments be required, the pre-set kv-values can be altered as needed. Swapping the right-hand side built-in valve to the left-hand side is no problem at all at any time. Radiator are delivered with protective caps. After removing the protective cap (pos. A) the following thermostat heads can be fitted directly to the builtin valve (pos. B): “RA 2000”, “RAW” by Danfoss, “VK” by Heimeier, “D” by Herz, “thera DA” by MNG and “UNI XD” by Oventrop.
In single-pipe operation, setting the built-in valve on N.
The radiator will be delivered with a protective cap. After removing the protective cap (item A) the following thermostat heads can be installed directly onto the built-in valve (item B): „RA 2000“ and „RAW“ by Danfoss, „VK“ by Heimeier, „theraDA“ by MNG, as well as „UNI XD“ by Oventrop.
Caution: During the installation take care that the return element (2) has been installed at the water return, and the supply element (1) at the water supply. Changing the built-in valve from the right- to the left-hand side can easily be done at any time.
Here you can download all relevant data in different file formats.
VDI-DATASET
Download our new VDI-Dataset "Radiators and Fanconvectors" from the BDH-Portal.
| Fan convectors generally provide either no radiant warmth or only very little. The ULOW-E2 combines convection and radiant heat, thanks to its water-charged panels. | With its high performance specifications, the ULOW-E2 offers top of the range price-for-quality value. |
| In static operation the ULOW-E2 is superior to commercially available fan convectors on account of its high level of basic performance. This is because aluminium heat exchangers without fan support are less efficient. | Fan convectors are made up of very many individual parts, some of which are complex and can only be fitted on-site. By comparison, the ULOW-E2 is delivered as a ready-to-plug-in product. |
| With most fan convectors, the fans are switched on whenever the heater is in service. The ULOW-E2 has an intelligent control mechanism, which switches automatically between static and dynamic operation. It only starts the fans when it is turned full-on, or when additional output is required. | Fan convectors do not have central connections. With the ULOW-E2 these come as standard across the range, guaranteeing maximum flexibility for planning and installation. |
| Fan convectors are strictly limited in their designer- and architectural pretensions, because of their clumsy construction. With its distinctive ‘round-hole-look’, the ULOW-E2 sets new standards in radiator design. Its slim profile and elegant plane surfaces are the perfect complement to any modern living environment. | Installation of fan convectors is expensive and time consuming. The ULOW-E2 can for the most part be installed with no tools needed. |
| Maintenance and cleaning of fan convectors is usually an unpleasant, time-consuming chore. The ULOW-E2, by contrast, can be cleaned just like a standard flat radiator. The rows of fans just pull out to the side, with no tools required. |
Thermostat head
Temperature scale THERMOSTAT
Main switch ON/OFF
Heating icon, RED
Cooling icon, BLUE
UP button
DOWN buton
Temperature icon
Boost button
Heating/Cooling button 
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