9 2551868AB
Connection Configurations
The ModuSat® XR heat interface unit comes with a variety of connection combinations to ease the
installation and the aesthetics of the installation. Please find the options below.
PF – Primary flow (in) CW – Cold water (in) SF – Secondary heating flow (out)
PR – Primary return (out) HW – Hot water (out) SR – Secondary heating return (in)
DR – Secondary heating drain (safety relief discharge)
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