Domestic Hot Water (DHW) Systems for Commercial Buildings
One of life’s luxuries that is mostly taken for granted in modern society, domestic hot water is an essential part of what we experience at some point each and every day of our lives.
From a commercial perspective, domestic hot water, and plenty of it, plays a vital role in every institution. Whether it be showers at a gymnasium, hotel bathrooms and kitchens, or the myriad of uses in a healthcare facility; hot water on tap is part of our expectations and comfort, day in and day out.
Little wonder then that commercial facilities managers and building owners are looking for cost effective and reliable ways of meeting this insatiable demand for vast quantities of hot water. It is with this in mind that we would like to share with you our range of Domestic Hot Water Packages that we have designed and engineered to provide a reliable and highly efficient means of servicing the domestic hot water needs of commercial usage.
Meridian Condensing Boiler
Meridian Condensing Hot Water Heaters work at very high and constant efficiencies reaching up to 98% Gross Efficiency (108.6% Net) enabling seasonal savings up to 25%. Compact, versatile and highly efficient, Meridian Condensing Hot Water Heaters are packed with features that save on space, installation time and energy.
Thermex® Stainless Steel Tank
Thermex tanks are constructed from Duplex Stainless Steel and have a maximum operating pressure of 700kPa (PTR valve rating). Highly insulated with various capacities available, Thermex Tanks offer a durable, energy efficient hot water storage systems suited to a wide range of applications. A 316 stainless steel heat exchange coil option is also available.
Domestic Hot Water Packages for Commercial Buildings
Automatic Heating Global offer a range of heavy duty, high efficiency Domestic Hot Water (DHW) heating systems specifically designed for scalability and ease of installation in demanding commercial applications.
Systems supplied by Automatic Heating Global feature proven high efficiency, closed loop condensing boiler technology coupled with robust, heavy duty, high capacity hot water storage to provide the efficiency and longevity expected in premium projects.
Mechanical boiler closed circuit design maintains lifetime boiler efficiency due to elimination of contaminants from mains cold water.
The DHW packages are fully customisable and each is designed to meet the specific requirements of the project. They have been successfully deployed in many types of commercial properties and public venues, including Hotels, Hospitals, Aged Care Facilities, Shopping Centres, Office Towers, Sporting and Recreational facilities.
Energy efficiency is achieved through the use of condensing boiler technology coupled with low heat loss hot water storage tanks with advanced control systems. Packages are designed for optimum efficiency in both peak demand and low-load conditions.
Importantly, all system components are designed and built to provide long-lasting reliable service, in demanding high usage commercial environments – including those where extended operating hours are required.
Domestic Hot Water Guide
|DHW Package||High Efficiency Condensing Boiler||kW||MJ||First hour @50°C rise||Recovery Litres/hr||Tank Litres||Height (H)||Width (W)||Depth (D)||KG|
|DHW-M240||2 x Meridian 120||230||896||4956||3956||1000||2100||2300||1200||615|
|DHW-M300||2 x Meridian 150||300||1120||6660||5160||2×750||2100||3400||1200||809|
|DHW-M450||3 x Meridian 150||450||1680||9740||7740||2×1000||2100||4500||1200||1004|
|Hot side comprises a mechanical boiler offering||All hot side to include:|
|Controller – basic|
|Scope of supply options|
2 x Meridian Condensing Boilers in cascade supplying heating to Thermex twin coil stainless steel tank
Meridian and Moorea boilers can be set up in several configurations:
- Draw combustion air from plant location. Power flued with inbuilt combustion fan.
- Room sealed – fresh air supply directly connected to air inlet port in boiler utilising inbuilt combustion fan. Power flued with inbuilt combustion fan.
- Power flue – interlocked to external power flue or flue dilution fan.
|316 SS Tank||5 Years|
|Duplex SS Tank||10 Years|
|Parts and Labour||1 Year|
* Boiler 5 Year Warranty limited to Heat Exchanger
Grosvenor Place, Sydney
At Grosvenor Place in Sydney’s CBD, a recently completed building refurbishment has included the addition of luxurious end of trip facilities that have been likened to a 6-star hotel.
Designed by Harry Seidler & Associates as part of a $20 million upgrade; the luxurious end-of-trip facilities in this 1980s-built skyscraper occupy a space of 800 square metres and feature a marble-tiled ‘Camerino’ (Italian for dressing room) with individual shower cubicles and changing facilities. This magnificent facility includes 30 shower rooms, 400 lockers and storage for 170 bicycles for those riding to and from work each day.
Key Project Points
No Access to Natural Ventilation
A key consideration that guided the use of Meridian Condensing Water Heaters in this project was that natural ventilation was impossible to achieve due to the plantroom serving the ‘Camerino’ being located in the basement and fully sealed.
Fortunately, the design of the Meridian provides for the connection of an air inlet duct which completely resolved the ventilation issue. In addition to this, the built-in burner fans were able to expel the exhaust gases through the flue without the use of any additional fans.
High Capacity Tanks in a Compact Size
The Thermex tanks were chosen for their compact size and high capacity coils which enable maximum heat transfer and fast re-heat time. This ensures ample hot water supply even at the busiest times of the day.
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