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MANUFACTURER – NAVIEN
NAVIEN UK TECHNICAL DIRECTOR SEAN KELEHER HIGHLIGHTS THE BENEFITS OF USING A CASCADE SYSTEM IN LARGER BUILDINGS FOR INSTALLERS… Heating multi-occupancy buildings made simple
WHY THIS MATTERS TO INSTALLERS
Cascade systems simplify the installation process. Thanks to their modular design, these systems are highly flexible, allowing units to fit into tight spaces that are common in multi-occupancy buildings. Another significant advantage is expandability. Installers can begin with a basic system and add more units as the property grows. This ability to scale up without overhauling the entire system ensures that the solution remains future proof. It also creates opportunities for installers to provide long-term service and maintenance as the system expands. Maintaining cascade systems is made simpler due to the communication between units. This enables easier identification and isolation of issues, leading to faster troubleshooting and more efficient repairs. NAVIEN’S OFFERING Navien’s offering, the NPE-A cascade system, delivers a robust, future- proof solution for large residential and commercial properties, connecting up to 16 units to ensure reliable hot water delivery. Navien has added ComfortFlow® technology to its NPE-A water heater series, helping to reduce the risk of the ‘cold water sandwich’ - a common issue caused by fluctuating water temperatures. At the same time, the NCB700 ON Combi Crossover features NaviCircTM technology, allowing the system to deliver hot water consistently throughout larger properties with multiple hot water outlets, without the need for a bulky cylinder. Navien’s cascade systems combine high energy efficiency, advanced technology and long-term cost savings. To learn more about how the NPE-A cascade system can benefit you and your customers in multi-occupancy buildings, visit www.navien.co.uk/professional
Cascade systems are ideal for multi-occupancy buildings such as this holiday park with spa facilities.
WHY CASCADE SYSTEMS ARE CRUCIAL FOR MULTI- OCCUPANCY BUILDINGS When called out to large properties, as an installer, you should consider using cascade systems for multiple units. They are designed to meet the needs of many people in one building through scalability and adaptability. With scalability, additional units can be easily integrated into the existing system as demand for hot water or heating grows. A major advantage of cascade systems for installers is their redundancy. With traditional setups, if one unit fails, it can result in total service loss. However, with a cascade system, the other units can continue operating if one fails, thus ensuring uninterrupted service. Likewise, cascade systems are highly energy efficient. Unlike traditional systems that may run all units at once, cascade systems activate only when there is a need to meet current demand, extending the lifespan of each unit.
Multi-occupancy buildings, such as hotels, apartment complexes and commercial spaces, require significant effort to manage their heating and hot water requirements. Dependable and efficient systems are needed to be able to adjust to changing demand levels throughout the day. While traditional systems often struggle to meet these dynamic needs, a lesser- known but highly effective solution is available - a cascade system. A cascade system connects several heating units such as water heaters and boilers, enabling them to work together seamlessly, spreading the demand across multiple units instead of depending on a single unit to handle the load. For example, during peak times for hot water demand, such as in the morning and evening, a cascade system can distribute this demand across multiple units, ensuring everyone has access to consistent temperatures.
28 | PLUMBING & HEATING MAGAZINE
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