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The d.h.w. sensor is connected to an LGM (Terminal ST 30)
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- D.h.w. production with a selector valve,
- absolute D.H.W. priority,
- a single LGM for d.h.w. production (1 high tem-
perature LGM only) the other LGM continues to
ensure heating.
- limited heat carriage, only the d.h.w. loop is at a
high temperature,
- it is possible to control a floor heating system di-
rectly via the pump circuit of the RVA 47 thanks
to the limited heat carriage.
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- D.h.w. heating power limited to 50 KW.
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The d.h.w. request must be communicated using
the button (d.h.w. on) of the RVA 47.
- the d.h.w. temperature setting is set either
• in line 13 of the RVA 47,
• in line 3 of the QAA 70 of the RVA 47.
• the d.h.w. potentiometer of the LGMs’ control
panel is inactive,
• during a d.h.w. request, the relevant LGM is in
d.h.w. mode (6 on the control panel display)
• the d.h.w. time programme of the RVA 47 is
active.
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