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Rinnai - Hot Water Heating Systems

20 June 2016 | Updated 22 November 2018

Rinnai are manufacturers of energy and cost efficient hot water heating systems said to be more effective than traditional stored systems.

The technology ensures that water is delivered at pre-set temperatures accurate to within 1 degree Celsius, therefore the temperature can be set at 60 degrees plus so no bacteria can multiply eradicating Legionella proliferation.

Another major feature for the FM is new technology that seamlessly integrates continuous flow hot water systems into Building Management Systems protocols. The move allows control and maximises energy efficiencies in large buildings, even in multi-tenanted sites.

The launch of smart controls allowing ready interface with BMS brings the prospect of higher energy efficiencies for commercial buildings.

The Rinnai smart controller offers on/off status as well as fault codes to facilitate first hit repair. For example, the BMS can communicate a precise error code to the central system meaning that in the event of a breakdown the user can communicate the correct parts and information to the engineer for a first time fix, limiting down time and improving Rinnai service response.

The controller allows the FM and staff to remotely monitor and change system temperatures and also to monitor and adjust burners for maximum efficiencies. In effect, the controls monitor gas usage to dictate business periods and energy savings. Rinnai units modulate the gas supply in relation to the amount of heat input required to optimise gas usage meaning high energy efficiency is delivered at all times. This is monitored and visualised by the controls.

The Rinnai smart controls also monitor running hours and service requirements. As Rinnai units are on-demand, operating only when a tap is turned on, suggested service periods can be ascertained from running hours, as well as early warning of scale build up.  Rinnai HDC units now contain smart lime scale notification systems to maintain system integrity and prevent in-efficiencies from scale accumulation.

For more details on RINNAI products visit

To register to see this company at the Facilities Show, Click Here 


Article written by Show Editor | Published 20 June 2016


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