Oventrop modular HWS generation installed for hotel refurbishment

pipes, pipework, piped services, Oventrop, DHW, domestic hot water

The refurbishment of the Holiday Inn Express hotel at Edinburgh Airport has its hot-water requirements met by Oventrop Regumaq Cascade units. There are four wall-hung units that heat cold water as required by drawing heat from thermal stores — in this case two electrically heated buffer tanks — through a plate heat exchanger.

Brian Philbin, a director with Romech, installed this equipment to minimise the space required and avoid storing large amounts of potable water, thereby reducing legionella risks. The installation includes automatic thermal balancing valves on the HWS circulation throughout the building.

Only a small plant area was needed to house the electrical systems and the hot-water plant, enabling an adjacent bedroom to be kept in use, worth a potential £42 000 a year in bookings.

An intelligent cascading set selects how many Regumaq units are needed to meet demand by controlling the flow of cold water. A 23-hour master-and-slave principle ensures equal wear.

For more information on this story, click here: February 2016, 104
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