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INSTRUCTIONS PERTAINING TO THE INSTALLER
12.5 CONNECTING THE QAA73 ROOM TEMPERATURE REGULATOR
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The settings of the domestic hot water temperature and domestic hot water production schedule must be made
using this device.
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panel.
See the instructions provided with the QAA73 temperature regulator for the user parameter programming
procedure.
QAA73: parameters which can be set by the installer (service)
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meters that the installer can display and/or set.
Press either of these buttons to change the parameter to display or change.
Press the [+] or [-] key to change the value displayed.
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Press the information button (i) to quit programming.
Here follows a list of the most commonly used parameters:
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Voltage (VDc)
Boiler heating performance according to the voltage on the connector (with voltage above 5V).
NB: Demand active = 10
Demand inactive = 0