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RFRP-OT OpenTherm® Instructions
This menu allows the installer to view information received from the
OpenTherm® boiler. It may take a few seconds to load information
relating to each parameter. The information that can be shown from the
boiler is outlined in the table below.
PO 7 OpenTherm® Information
Displayed on screen Description Remark
tSEt Target water temp
tFLO Outlet water temp
trEt Return water temp
tdH DHW temperature
This is only visible if DHOP
is On (P08 OT Installer menu)
tFLU Flue gas temperature Dependent on boiler
tESt Outdoor temperature Dependent on boiler
nOdU Modulation percentage
FLOr Water ow
This is only visible if DHOP
is On (P08 OT Installer menu)
PrES Water pressure Dependent on boiler
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