Rinnai: can commercial heat pumps be used for commercial DHW?

The term Domestic hot water requires some definition as it can be misleading.  DHW (Domestic Hot Water) is considered as hot water used solely for domestic properties and dwellings. This is not entirely accurate,
 
DHW is used for domestic purposes such as showers, sinks, bathing, and general ablutions. DHW heating means that hot water is used in both domestic and commercial DHW purposes.