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10 Heating
In this menu, all adjustments for the heating part of the arrangement or for the
heating circuits respectively can be made.
Demands can be activated, heating circuits can be parameterised and optional func-
tions can be selected and adjusted.
10.1 Demands
Heating / Demands
Adjustment
channel
Description
Adjustment range /
selection
Factory setting
Dem. 1 (2)
Demand 1
Activated, Deactivated
Deactivated
Relay
Relay selection
system dependent
system dependent
In this menu, up to 2 heating demands can be activated and adjusted.
Activated demands will be available for selection in the relay allocation
channels of the corresponding optional functions of the Heating menu.
This way, several optional functions can demand the same heat source.
If, for example the potential-free relay R5 is allocated to Demand 1, the selec-
tion AH-Dem.1 will then become available in addition to the free relays in the
adjustment channels Demand of the optional functions for the heating part of the
arrangement (see page 63). This way, e. g. the DHW heating function can demand
the same boiler for afterheating as the thermal disinfection function.
10.2 Heating circuits (with EM Extension Modules only)
The controller is able to control 2 external, weather-compensated heating circuits
by means of extension modules.
If one or more extension modules are connected, they have to be registered with
the controller. Only registered modules are available in the heating circuit selection.
In the menu appearing when New heating circuit is selected, it is possible to
choose between the internal heating circuits and, if available, registered modules.
Extension modules can be registered in the In-/Outputs / Modules menu (see
page 71).
If an internal or external heating circuit has been selected, a new menu opens. In
this menu, all sensors and relays required for the heating circuit can be allocated,
and all adjustments can be made.
The controller calculates the set fl ow temperature for each heating circuit by
means of the outdoor temperature and the selected heating curve. If the measured
fl ow temperature deviates from the set fl ow temperature, the mixer is activated in
order to adjust the fl ow temperature correspondingly.
If the outdoor temperature falls below the point where the calculated set fl ow
temperature would exceed the maximum fl ow temperature, the maximum fl ow
temperature is treated as the set temperature for as long as the condition remains.
If the outdoor temperature sensor is defective, an error message is indicated. For
the duration of this condition, the maximum fl ow temperature -5 K is assumed as
set fl ow temperature.
With the timer, the day / night operation can be adjusted. During day phases, the
set fl ow temperature is increased by the adjusted day correction value, during night
phases it is decreased by the night correction value (night setback).
Summary of Contents for SC5.14
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