SIEMENS QAA74 ROOM UNIT |
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Siemens QAA74 room designed for controlling Siemens RVS controllers. The room unit has a backlit display and all control is done by the rotary button. The room temperature sensor is integrated into the device. The room unit allows changing of the mode of a heating circuit as follows:
It allows also the changing of the desired room temperature and displays the actual room temperature. It allows operation of domestic hot water heating including recharging mode of DHW storage tank. It can visualize more figures of the installation while providing to the end user the ability to changes the various time schedules. It displays the functions and settings of the basic unit (RVS controller), making them convenient and easy to operate. Furthermore it allows the parameterization of the RVS heating controller. |
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