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SDC / DHC Hydraulic Components
EN2H-0221GE51 R0808 219
In case of simultaneous access to a heating circuit, the following
rules apply:
• If multiple variable inputs are configured to the same heating
circuit, the priority is as follows: variable input 1, variable input
2, variable input 3.
• If a variable input is assigned to ALL, it has a higher priority
than a heating circuit assignment
• If multiple variable inputs are configured to ALL, the priority is
again as follows: variable input 1, variable input 2, variable
input 3.
ATTENTION
Short-circuit or terminating resistor may be connected to
GND (ground) only.
7.3.10.5 External information
A temperature value sensed by a standard sensor is displayed as
an information value in the information display. This function is
controller-independent and is for information only
7.3.10.6 Demand contact
This function is active for a demand contact if "demand contact"
was selected for a variable contact and a heating circuit function
was assigned to the associated output. The heating circuit
functions are: mixed heating circuit, direct heating circuit, constant
controller and fixed-value controller.
If a variable input (see note) was defined as a demand contact,
the corresponding parameter for assigning the contact to the
respective heating circuit (i.e. the heating circuit to be addressed
by the demand contact) is displayed in the "System" menu.
The setting range includes all control circuits within a controller
(DC, MC1, MC2, HW or ALL) so that the demand contact can be
assigned either to each individual heating and hot-water circuit or,
if required, to all circuits.
Function
NOTE
Function