Run around coil 3-way mix
Call us on 01634 729 690
RAC3MX run around coil 3-way mix
Your run around coil system will be made up of two or more multi-row, finned tube coils connected to each other by a pumped pipework circuit. The pipework is charged with water which acts as a heat exchange fluid, picking up heat from the exhaust air coil and giving up heat to the supply air coil before returning. Heat from the exhaust air stream is transferred to the supply air stream via these pipework coils and circulating fluid. The specific heat output capacity depends on the temperature difference between these two air streams. This makes the run around coil ideal for both heat recovery in the winter, and coolth recovery in the summer.
The three-way mixing plenum combines two air streams: fresh air and recirculated air. You’ll have an extremely fine level of control over this mix with a system of dampers to suit the needs of your building’s occupants. The exhaust and fresh air dampers can be set anywhere from 0% to 100% open, and the mixing damper will be driven from 100% to 0% open to match, ensuring the constant availability of supply and extract air. A three-way mix system will also save you money in the long run as it operates with smaller boilers and pumps, requires less pipework, and has a shorter installation time.
Get in touch with the experts
To find out more about what we can do for you, contact our professional design engineers. You can call 01634 729 690 or send an email to sales@eceuk.com to begin the process towards your bespoke air handling solution. You can also fill out our enquiry form to give our engineers a more detailed idea of your project’s requirements.
Heat recovery
efficiency
The right level of efficiency for your RAC3MX unit will depend on the conditions at your site and written guidelines such as the Eco Design Commission Regulation (EU) No 1253/2014. Operating data such as energy prices, useful life, running times, temperatures, maintenance costs, and interest rates. When you take into account (EU) No 1253/2014, profitability, and environmental protection, the heat recovery efficiency should be no less than 68%. This can reach around 73% under the right circumstances.
This is a system best suited for buildings in which the occupancy rate can vary greatly throughout the day or experience seasonal occupancy. Additionally, when the outside air conditions are correct – usually during mid-season weather – the ambient temperature may be suitable for free cooling. In these conditions the mixing damper will close, and the system will use full fresh air for optimum energy efficiency. When fresh air is not required such as during periods of non-occupancy, the mixing damper can be automatically set to full recirculation.
Ancillary items
All our air handling units are available with a range of additional features to ensure that it is perfectly meeting the needs of your site.
Filtration
A standard part of our AHUs, our filtration systems ensure that the air at your site is free of dust and other particulate maintaining the health and wellbeing of occupants.
Direct heating
Direct heat exchangers including gas-fired fuel-burning heaters or electric air heater batteries that are placed directly in the air stream to provide warmth.
Indirect heating and cooling
A more complex system in which coils of hot water, steam, or DX are used to heat and cool the air respectively, all fed from central plant.
Humidification
Often required if heating is drying out the air at your site, we provide vaporiser, evaporative, spray mist, or wetted medium to restore moisture to the air.
Dehumidification
This process involves over cooling the space to increase the moisture, then reheating the air to remove the moisture to maintain the correct temperature and relative humidity.
Intelligent energy controls
It is possible for your air handling unit to come equipped with our intelligent energy controls. They give you a fine control over your system, helping you monitor air quality, recoverable energy, and CO2 levels while still maintaining your site’s fresh air requirements. You will also find that ambient temperatures will sometimes be enough to free-cool your system’s air. When fresh air is not required, the dampers can be automatically set to re-circulate air. With proper controls you can automate these processes to achieve optimum energy efficiency.
Net zero carbon
Achieving net zero carbon will require actions to be taken to offset carbon emissions. Making buildings, especially larger facilities, energy efficient will be a major part of achieving this goal. Your new AHU will enable you to precisely control and regulate your building’s air to ensure you receive the ventilation and temperature you require as efficiently as possible.
Factory acceptance test
Your AHU will receive a Factory Acceptance Test (FAT) from our expert engineers. This constitutes a series of checks and tests to verify that your unit is made up of the right components, has been assembled according to the specification, and will operate according to designs. You’ll be able to access all results and reports through our client portal:
- Completed FAT protocol
- Installation, Operation, and Maintenance (IOM) manual
- Recommended spare parts lists
- Certificates of compliance
- As-built certified drawings
- Air tightness certificate
- Filter DOP certificate
Contact our experts
Get in touch with our professional team here at ECE UK for your custom air handling solution. Just call 01634 729 690 or send us an email at sales@eceuk.com to get started.