15.1.3Block 12
maximum average DT of supply and return sensor for hot water is repeatedly exceeded. Operation is normally possible for the central heating installation during the block. The pump continues to operate at minimum capacity during the block.
check flow through the boiler and DHW fascility
see the installation instructions for the hydraulic connections to the boiler
possible causes: (radiator)
resistance (coil) in DHW fascility to high (see pump height)
check
15.1.4Block 60
incorrect parameter setting for the minimum or maximum power
Execute
an incorrect setting has been detected. The factory settings are activated after the "green key function" is executed:
Make sure that the text can be seen on the display. Continue to press the Store
key until appears on the display. The factory settings are now copied and the boiler will come into operation normally.
Installation & Servicing Instructions Rinnai
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