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The d.h.w. sensor of tank No.1 is connected to LGM
No.1 (Terminal ST 30).
The d.h.w. sensor of tank No.2 is connected to LGM
No.2 (Terminal ST 30).
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- D.h.w. production with a selector valve,
- absolute d.h.w. priority,
- limited heat carriage: only the d.h.w. loops are 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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- same d.h.w. setting for both tanks,
- same time programme for both tanks.
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The d.h.w. request must be communicated with the
button (d.h.w. on) on the RVA 47.
- the d.h.w. setting is set either
• in line 13 of the RVA 47,
• or in line 3 of QAA 70 of the RVA 47.
It is the same setting for both boilers.
- the d.h.w. setting potentiometers of the LGMs’
control panel are inactive,
- during a d.h.w. request, the relevant LGMs are in
d.h.w. mode (6 on the control panel display).
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