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We reserve the right to modify technical specifications without prior notice.
83053600bUK – Translation of the operating manual
© Alpha-InnoTec GmbH
installation / hydrauliC ConneCtion to heating
CirCuit
The connections for the heating circuit are located on
the underside of the unit.
The connection for the safety assembly is on the top of
the unit:
note.
dimension heating system so that the free com-
pression of the circulating pumps integrated in
the unit always ensures the minimum heating
water flow rate.
Always take into account the connection pipes
between the heat pump and the hydraulic mo-
dule.
planning manual.
Danger!
Before opening the unit, disconnect the
system from the power supply and prevent
it from being switched back on!
attentIon
When installing the connections, always
secure the connections on the unit against
twisting, to prevent damage to the copper
pipes inside the unit.
flush heating circuit thoroughly before connecting
the unit to the heating circuit…
see “flushing, filling and bleeding the system”,
note.
contamination and deposits in the heating cir-
cuit can cause malfunctions.
Install filling and draining devices, shut-off valves and
non-return valves at the required locations in the
heating circuit.
“Hydraulic connection” documents.
saFety assembly
The safety assembly for the heating circuit is in the extra
box.
mount the safety component on the connection provided
on the top of the assembly.
The safety drain of the safety valve must lead into
the drain via a funnel siphon in accordance with the
applicable standards and regulations!
The safety drain must be connected!
expansion vessels
The expansion vessel for the heating circuit is integrated.
Always check whether the size of the expansion vessel is
large enough for the system. If necessary, an additional
expansion vessel must be installed on site according to
the relevant standards and guidelines.
note.
The admission pressure of the expansion vessel
must be adjusted to the system (approx. 0.5 bar
less than the system filling pressure) according
to the calculation to the relevant standards (EN
12828).
Summary of Contents for HMD 1
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