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Author: v | 2025-04-25

WindowMaster products Connection WindowMaster window actuators must only be connected to genuine WindowMaster power supplies. If power supplies other than WindowMaster are used for connection to WindowMaster window actuators then this will invalidate in full any warranty or guarantee for WindowMaster window actuators. contact WindowMaster, see telephone list. sich bitte an WindowMaster, siehe WindowMaster. Telefonliste. English Deutsch Dansk WMS i409M install UK-D-DK WindowMaster A/S 2025, 2025 WindowMaster is a registered trademark used under licence by WindowMaster Group UK Installation instruction:

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Environmentally friendly. Many window profiles are certified with our products for smoke ventilation See here which Let us help you find a ventilation solution suitable for your projectAt WindowMaster, we understand that every building project is unique, with its own set of challenges and requirements. That is why we are here to offer smoke ventilation systems that fit your project and allow freedom for design. Whether you are designing a commercial office space, a residential project, or a public facility, our team of smoke ventilation system specialists is dedicated to find the most suitable smoke control system for your project.With our extensive range of indoor solutions and decades of experience in the industry, we are proud to provide you with different kinds of effective smoke control solutions and indoor air quality control. From smoke control systems to natural and mixed mode ventilation, we have the expertise to customise professional solutions that fit your project. Let WindowMaster help you create a healthier, safer, and more comfortable environment for your building project.Do you have more questions about smoke and heat ventilation work? Feel free to contact our specialists for more information.

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The DGNB's criteriaThe DGNB System is a sustainability certification that evaluates projects on three fundamental paradigms:Life cycle assessmentHolistic approachEmphasis on performanceThis allows the system to take economic, operational, and social factors into account, in addition to environmental impact when evaluating the building. This also follows DGNB’s key objective that the built environment should be accessible to everyone.The DGNB’s criteria are organized into 6 different qualities, though the qualities are equally weighted in connection with certification. It is thus a holistic approach where it is not possible to live up to one or two criteria at the expense of the others.Our ventilation solutions for hybrid and natural ventilation influence the DGNB qualities and help meet the framework’s goal for holistically planned projects. The 6 qualities of DGNB Environmental Economic Sociocultural and functional Technical Process Site Natural Ventilation has a significant influence on Sociocultural criteriaThe criteria where natural and hybrid ventilation can have the greatest influence lie within Social quality, especially if they are designed and implemented properly.WindowMaster solutions are engineered with the latest technology, and can address many of the sociocultural criteria. This is because our solutions are designed with a focus on improving the indoor climate experience for users.The specific criteria where natural and hybrid ventilation can earn points:Thermal comfortIndoor air qualityAcoustic comfortUser controlQuality of indoor and outdoor spacesSafety and securityDesign for all Natural ventilation's influence on the other criteria Natural ventilation can also influence the other DGNB qualities. Engineered natural and hybrid ventilation solutions from WindowMaster can make a direct impact on Environmental quality because they help buildings reduce CO2 emissions, contributing positively to the total LCA of the construction. In relation to CO2 emissions, our cleantech ventilation strategies also contribute positively to Economical quality and the building related LCC because they reduce energy expenses from operation. With regards to Technical quality, WindowMaster solutions are well-positioned to meet these criteria because of our unique technology. Our window actuators, for example, are equipped with a communication technology called MotorLink® which enables communication between the building management system and the actuators. This makes the use and integration of building technology more straightforward for planners and installers. WindowMaster control systems and actuators are also used in smoke and heat ventilation solutions for building fire safety approaches. Intelligent control of windows: MotorLink® MotorLink® is a communication technology that enables 2-way control and feedback between window actuators and the Building Management System via the MotorController. All WindowMaster control systems are MotorLink® capable with many of our actuators. Click below to learn more and see related products. Read more How we can help To assist potential and current customers, our Building Performance Engineers are available to help as early as the pre-design and concept phases. They can provide initial advice on ventilation strategy and approach at no obligation.Free services they offer include:• Advice on building ventilation design• Determining opening areas• Air change calculations• Pre-design building performance guidance• CO2 level calculations Learn more Demand for DGNB certified buildings is increasing As of Q1 2020, there are

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Reduce their CO2 emissions in our sustainability report.Compliance to demanding regulationsWindowMaster's natural smoke ventilation solutions ensure compliance with strict building codes and regulations, providing assurance to architects, engineers, and decision-makers involved in building projects. It is not always easy to stay fully in sync with relevant laws, but we have made it easier for you by always designing our systems to comply with the regulations.By choosing natural smoke ventilation from WindowMaster, expert advice is never far away. Do not hesitate to contact us about your project. Smoke vent plus comfort ventilation Natural smoke ventilation not only creates safety and security for the users of the building, but it also provides the opportunity for comfort ventilation. The openings in the facade and roof can ventilate every day to provide a pleasant indoor climate. In combination with weather stations and/or sensors, the actuators can be intelligently operated. This reduces the demand for building cooling and ventilation systems, reducing energy consumption and improving air quality. In a comfort ventilation system, both indoor and outdoor climate conditions are monitored. This ensures that the windows open and close at the appropriate moments and that the indoor CO2 levels stay within optimal levels. Thermal comfort of the indoor occupants is also a key focus of this type of system. So, a smoke safety solution is not just an investment in the protection of building occupants in case of fire. It also becomes an active part of providing users with a balanced day-to-day indoor climate that is. WindowMaster products Connection WindowMaster window actuators must only be connected to genuine WindowMaster power supplies. If power supplies other than WindowMaster are used for connection to WindowMaster window actuators then this will invalidate in full any warranty or guarantee for WindowMaster window actuators. contact WindowMaster, see telephone list. sich bitte an WindowMaster, siehe WindowMaster. Telefonliste. English Deutsch Dansk WMS i409M install UK-D-DK WindowMaster A/S 2025, 2025 WindowMaster is a registered trademark used under licence by WindowMaster Group UK Installation instruction:

Controls for natural ventilation - WindowMaster

Areas.Triangles at the side of the opening should not be included if it is a string of opening windows (adjacent open vents effectively cancel out the triangles).Many window suppliers, or WindowMaster, offer support with these calculations.Window orientationResearch suggests that high level (typically two metres and above from floor level) top-hung outward opening windows are the most effective overall solution for natural ventilation.Their opening areas can be supplemented by manual low level windows if required for operation on hotter days. These are often limited to 100mm openings due to the risk of falling, and the risk of obstruction if opening onto a thoroughfare.Selecting high level openings minimises a number of risks. Draughts when controlling CO2 in winter are reduced because a small amount of cold air introduced at high level mixes with warm air and carries further into the room before falling to body height.Security risks are reduced because insurance companies generally prefer small openings at higher level if night cooling. The risks from entrapment are lowered because while intelligent actuators have pressure safety functionality, they can still pinch, so it’s best to locate these at higher level.Avoiding side-hung windows removes the risk of a scissor action at body height which can present a safety hazard. In addition, the lower element of the opening can introduce cold air at body height.Window handles and actuatorsIt is important to note that different window profiles have differing requirements for the number of operating handles. This applies to window actuators too. This is normally associated with the rigidity, or flex of the window profile around the pull point(s) and the frame’s capacity to maintain a seal around the perimeter of the vent.It is less associated with window actuator power or opening/closing ability and is therefore dictated by the vent fabricator or profile supplier. The vent width limit for a single window actuator can vary from profile to profile from 700mm to 1.500mm (eg Velfac @ 1.500), though for aluminium profiles 1.200mm is normally used as a rule of thumb.It is important to get confirmation of this if more window actuators are required because this not only impacts on actuator costs but also on associated power supplies and wiring. If in doubt, consulting WindowMaster or fabricators early on may prove worthwhile.Compiling a specification to avoid common complaintsMost quality window actuators look similar but how the actuator looks, while aesthetically important, has no bearing on how successfully

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5,000 projects worldwide that are certified under the sustainability certificate DGNB. This translates to 57,5 million square meters of certified floor space, and everything indicates that the demand for certified sustainable construction will continue to increase. There are many different techniques and materials that designers can specify to help a building achieve DGNB certification. Cleantech ventilation strategies, like natural and hybrid ventilation, are chosen by many planners because of the positive impact they can make on the framework’s criteria. That is because they reduce the energy consumed by building ventilation and improve the overall quality of the indoor climate for people. In Europe’s largest economies, DGNB is the market leader for the certification of sustainable construction. At WindowMaster, our cleantech ventilation products and systems have been in many DGNB certified buildings. In addition to providing ventilation solutions, our Building Performance Engineers can also assist with guidance on ventilation approach before, during, and after the construction of your project. We are your sparring partner At WindowMaster, we know that there are many factors to keep in mind when building new projects or refurbishing existing buildings using green approaches. That’s why, it’s important to us to be available for potential and current customers as sparring partners through all stages of a project, from pre-design to after care. In this way, we can be assured that the solution that our clients have chosen meets their expectations and performs optimally.Find a Cleantech Specialist in your area Contact a Specialist The DGNB's align your building with the UN SDG's The DGNB system can contribute to as many as 14 of the 17 UN Sustainable Development Goals. The two SDGs to which DGNB's criteria contribute the most are Goal 11 and 13. Goal 11 stands for Sustainable Cities and Communities while Goal 13 stands for Climate Action. Cleantech natural and hybrid ventilation solutions can also contribute to fulfilling both of these goals. You can read more about DGNB certification and the SDGs below. See more City of Glasgow Colleges - an engaging and energizing building City of Glasgow Colleges took a definitive commitment to the environment by embracing several sustainable design strategies such as automated natural ventilation.To reduce heat loads and maintain air quality, the atrium acts as a natural stack to drive cross ventilation through the building. See the full case HouseZero on Harvard University's campus raises the bar for energy efficiency HouseZero of Harvard University was renovated to inspire others by how older, existing structures can be altered to become ultra-efficient facilities. The older indoor climate systems were fully replaced with a new indoor climate paradigm which relies on the addition of thermal mass and radiant surfaces. See more UCL Student Centre at Gordon Street - a BREEAM building with a holistic IAQ approach The new Student Centre of the University College London is a flagship for sustainable development in the urban environment.UCL’s strategy was to focus on a “passive first” approach to the indoor climate to reduce energy use and thereby carbon emissions.

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What is natural smoke ventilation? Natural smoke ventilation – or SHEV – involves the automatic opening of high-level smoke vents (skylights, windows, or proprietary smoke vents) to quickly remove smoke during a fire incident. As the high-level smoke vents let out the smoke, the low-level openings allow fresh air to enter, causing smoke evacuation through the high-level smoke vents. These systems typically utilise smoke vents for high-level venting, complemented by low-level openings for intake. Our natural smoke ventilation systems ensure rapid smoke extraction, enabling people to evacuate safely through escape routes and reducing the risk of fatality. By harnessing the principles of natural airflow, WindowMaster's solutions offer effective smoke management without relying only on mechanical systems, providing a safe and energy-efficient approach to smoke control. We always strive to implement sustainable solutions in your project. Why you should choose natural smoke ventilation from WindowMasterThere are several reasons to choose a natural smoke ventilation system from WindowMaster for your building project. We offer high-safety smoke ventilation systems without compromising on your sustainability efforts.SafetyFirst and foremost, our high-quality systems are developed to enhance safety. Our smoke control systems are made to keep occupants safe and swiftly evacuate smoke during fire incidents. By mixing technology with the power of nature, we offer innovative safety solutions for your project.SustainabilityOur natural ventilation systems align with sustainable building practices, reducing energy consumption and promoting environmental responsibility. Our systems are made with both safety and sustainability in mind. Dive into how we help the commercial building industry

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--> --> --> --> WMU 831 Actuators for large and heavy windows – an elegant alternative to spindle actuators. For comfort - / smoke ventilation. For top hung, bottom hung, turning and pivot window. Get a quote Natural ventilation The product is suitable for comfort ventilation to ensure that the building’s users enjoy a comfortable indoor climate Smoke ventilation The product is suitable for smoke ventilation and use natural driving forces for the efficient exhaust of smoke and heat 24V Nominal voltage The product is to be connected to a ±24V power supply MotorLink® The product communicates with power supplies with MotorLink® – an intelligent patented digital communication from WindowMaster TrueSpeed™ The product can with the TrueSpeed™ technology slow down the actuator movement (down to 1mm per second), which enables the actuators to run completely silent. UL certified The product is UL certified according to UL325 for US and CSA C22.2 no.247-14 for Canada The actuator is a high-performance, medium chain actuator specially designed for large and heavy windows – an elegant alternative to spindle actuators.Complete opening of the window within 60sec.Description – to be used together with ±24V control units or control units with MotorLink® – can be used with espagnolette WMB – synchronization of up to 4 window actuators - no need for an external synchronization module – genuine position feedback and 3 speeds when using control unit with MotorLink® – soft close function – the electronics in these actuators can be programmed to suit specific requirements – i.e. pressure- and traction force, stroke, speed/sound level with the WAT 100 programming box, this is also possible following installation – built-in electronic load switch-off/end stop – electronic actuator with micro controller – the actuator has an integrated reverse function to ensure a prolonged life span of the window gaskets – easy mounting – New processor designed – The TrueSpeed™ feature enables an opening of 1 mm per second, can control several motor lines simultaneously and ensure higher degree of control – New five-pole plug solution for easy installation – Ability to connect pressure safety strips Installation TypeSurface mountedWindow typesTop hungBottom hungTurning windowsPivotChain stroke options400 mm500 mm600 mmPressure Force300NTraction force300NLocking force3000 NOperating speedProgrammable from 1mm/s to 12mm/s with TrueSpeed™Sound pressure level≤21 dBA (operational speed: 0.2°/s)dBA≤45 dBA (operational speed: 10 mm/s)dBAPower Supply24 VDCCurrent consumption1 ANominal Voltage24V DC (max. 10% ripple)Life spanTested with 10,000 opening and closing movementsSize42 x 623 x 57 (H x W x D)mmColour optionsGrey (RAL 9006)MaterialAluminium housing with steel chainTo be ordered separatelyBrackets and standard extension cables type WLL Delivery includes Actuator with 5m cable Intelligent control of windows: MotorLink® MotorLink® is a communication technology that enables 2-way control and feedback between window actuators and the Building Management System via the MotorController. All WindowMaster control systems are MotorLink® capable with many of our actuators. Click below to learn more and see related products. Read more Contact Get in touch. WindowMaster products Connection WindowMaster window actuators must only be connected to genuine WindowMaster power supplies. If power supplies other than WindowMaster are used for connection to WindowMaster window actuators then this will invalidate in full any warranty or guarantee for WindowMaster window actuators.

Wind and rain sensor - WindowMaster

--> --> --> --> WSK 501 Primary break glass unit With an audible signal Plastic housing Get a quote Smoke ventilation The product is suitable for smoke ventilation and use natural driving forces for the efficient exhaust of smoke and heat Primary glass break unit, plastic housing, for manual activation of smoke ventilation system.The glass break unit is suitable for smoke ventilation panels type WSC 310, WSC 320, WSC 520, WSC 540, WSC 560.Smoke detector and keypads can be connected directly to the break glass unit - this saves cabling.Break glass unit with:data communication (break glass unit bus)connection for smoke detector and keypadsan audible signal - when opening the door the signal will be interrupted.coloured LEDs for indicating fire triggering or if a fault is present on the systemSpare parts (glass, keys etc.) can be ordered separately. MaterialPlastic housingBreak glass unit typePrimaryRated Voltage27 V DCData communicationYesIP ratingIP 40Size125 x 125 x 36 (H x W x D)mmColour optionsGreyOrangeRedYellow Delivery includes Break glass unit with key and "SMOKE VENT" text labels. Intelligent control of windows: MotorLink® MotorLink® is a communication technology that enables 2-way control and feedback between window actuators and the Building Management System via the MotorController. All WindowMaster control systems are MotorLink® capable with many of our actuators. Click below to learn more and see related products. Read more Contact Get in touch

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Also allow this solution but low profile systems often offer little room to hide the window actuators, which are therefore likely to be surface mounted. This is where you might also want to consider actuator colour and finishes in the specification.On high load applications such as large roof lights with pitched opening, spindle actuators are usually used. The solid spindle housing hangs down into the space when closed, which many designers and clients find unsightly. New high capacity WMU 888 chain actuators from WindowMaster can address this issue and offer a powerful and neater solution.Most window openers used for natural ventilation are 24V DC which give higher torque capacity and makes them electrically safer when using the window profile for containment. There are 240V actuators on the market, but these are generally designed for occasional use and are prone to overheating if used regularly, so are therefore normally avoided.Opening areasWindow actuators come with different standard chain lengths: 265, 400, 500, 600 and 1.000mm.Using the smallest window actuator possible will keep the unit size and cost down. The longer the chain, the bigger the links need to be to maintain integrity and therefore the bigger the housing to hide it when it is withdrawn.To reduce the size and cost and improve aesthetics, use a 265mm chain where possible.There are many schools of thought on calculating the opening or free area.Generally, a typical profile will use around 40mm of chain to bridge the profile from the actuators fixings to the sash. Therefore, a 265mm chain will give around 225mm clear opening depending on the profile and mounting arrangement.Do you have questions about the opening areas for your project? Feel free to contact us. We can help you choose the right window openers. Use a common sense approach for natural ventilation. The following tips should help:Calculate the geometric free area just using the rectangle or throat at the leading edge of the opening sash first. If slightly bigger areas are required then consider the triangles at the sides if they are allowed to be included. For example, a standard 265mm chain gives approximately 0.225m clear opening x 1m window width gives 0.225m2 clear opening per opening window.Take into account any reveal or sill that might limit the real clear opening achieved (Building Regulations, Approved Document B, 2007). High level top-hung outward opening windows can avoid the reveal or sill limiting the achievable opening. WindowMaster products Connection WindowMaster window actuators must only be connected to genuine WindowMaster power supplies. If power supplies other than WindowMaster are used for connection to WindowMaster window actuators then this will invalidate in full any warranty or guarantee for WindowMaster window actuators. contact WindowMaster, see telephone list. sich bitte an WindowMaster, siehe WindowMaster. Telefonliste. English Deutsch Dansk WMS i409M install UK-D-DK WindowMaster A/S 2025, 2025 WindowMaster is a registered trademark used under licence by WindowMaster Group UK Installation instruction:

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