| 摘要 |
<p>A heating system having a common boiler for supplying heated water to a number of apartments or offices. Each apartment has a thermal store (48) which is rechargeable with hot water when the temperature therein falls. An integrated store controller (40) controls heating requests as well as calculating the heat usage. It also has access to a prepayment unit (55) which allows credit to be provided. Requests for heat from the integrated store controller (40) can be sent to the common central controller (45) operating the boiler via a bus (42). A hand held unit (56) allows access by authorised persons to the integrated controller (40) and prepayment unit (55) for set up and checking purposes.</p> |
