29We reserve the right to make technical changes | 83055600dUK – Translation of the original instruction manual (HMD 2) | ait-deutschland GmbH
Pump ow
NOTE
Changing settings requires installer or customer service ac-
cess.
Pump ow ZUP
Pump ow additional circulation pump
Second heat gen. 1
Selected additional heat generator 1
(ZWE 1)
Type
No no ZWE 1 connected, system operates
monovalently
El.Rod Electric heating element with bivalent
level control for heating element (not
released during the El. sup. blockade)
Boiler Heating boiler with bivalent level
control for the boiler (in bivalent level 3
is on continuously, until switched back to
bivalent level 2)
Thermal Water heater with bivalent level control
for water heater (control behaviour is
analogous to that of a heating element;
however, is also active during El. sup.
blockade)
Function
No without function
Heating Heating
HW a SW Heating and Service water (Domestic
hot water)
Position
Tank Integrated in the heat generator (=
heat pump or associated hydraulic
component)
Integrated Integrated directly in or on the heating
or hot water storage tank
– – – no ZWE 1 connected
Outlet The corresponding output contact
for electrical connection of the ZWE
is displayed automatically. If a type of
preparation is selected under “Type”
and it is displayed here as outlet “---““,
the wiring has already been laid in the
factory.
Second heat gen. 2
Selected additional heat generator 2
(ZWE 2)
Type
No no ZWE 2 connected
El.Rod Electric heating element with bivalent
level control for heating element (not
released during the El. sup. blockade)
Function
No without function
Heating Heating
SW Service water (Domestic hot water)
If activated, no ZWE 1 used for
domestic hot water heating
Position
Tank Integrated directly in or on the heating
or hot water storage tank
– – – no ZWE 2 connected
Outlet The corresponding output contact
for electrical connection of the ZWE
is displayed automatically. If a type of
preparation is selected under “Type”
and it is displayed here as outlet “---““,
the wiring has already been laid in the
factory.
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