18 Operating and installation instructions 0020288151_04
Room temp. mod.: The installed temperature sensor measures the current room tem-
perature. The system control calculates a new target room temper-
ature that is used to adjust the flow temperature.
– Difference = Set target room temperature - current room tem-
perature
– New target room temperature = Set target room temperature +
difference
Prerequisite: In the Zone assignment: function, the system control
and/or the remote control is assigned to the zone in which the sys-
tem control or remote control is installed.
The Room temp. mod.: function is ineffective if No assignmt is
activated in the Zone assignment: function.
Factory setting: Inactive
Inactive
Active Adjusting the flow temperature based on the current room temper-
ature.
Expanded Adjusting the flow temperature based on the current room temper-
ature. The system control also activates/deactivates the zone.
–
The zone is deactivated: Current room temperature + 2/16 K >
set room temperature
– Zone is activated: Current room temperature < set room tem-
perature - 3/16 K
Cooling possible: Prerequisite: A heat pump is connected.
Factory setting; No
Dew point monitoring: The system control compares the set minimum cooling target flow
temperature with the current dew point + set dew point offset. The
system control selects the higher temperature for the target flow
temperature in order to prevent condensate.
Prerequisite: The Cooling possible: function has been activated.
Factory setting: Yes
Min. cooling targ. flow temp.: °C The system control regulates the heating circuit to the Min. cool-
ing targ. flow temp.: °C.
Prerequisite: The Cooling possible: function has been activated.
Factory setting: 20 °C
Dew point offset: K Safety margin that is added to the current dew point. Prerequisite:
– The Cooling possible: function has been activated.
– The Dew point monitoring: function has been activated.
Factory setting: 2 K
Ext. heat demand: Display showing whether a heat demand is present at an external
input.
When installing an FM5 or FM3 functional module, external inputs
are available, depending on the configuration. You can connect an
external zone controller, for example, to this external input.
DHW temperature: °C Desired temperature of the domestic hot water cylinder. The heat-
ing circuit is used as a domestic hot water circuit.
Actual cylinder temperature: °C Current temperature in the domestic hot water cylinder.
Pump status: Display of the current control command at the heating pump.
Mixing valve status: % Display of the current control command at the mixing circuit.
Zone
Zone activated: Deactivate zones that are not required. All existing zones appear
in the display. Prerequisite: The existing heating circuits are activ-
ated in the Circuit type: function.
Factory setting: Yes
Zone assignment: Assign the system control and/or remote control to the selected
zone. The system control and/or remote control must be installed
in the selected zone. The control system also uses the room tem-
perature sensor for the assigned unit. The remote control uses all
of the values for the assigned zone. The Room temp. mod.: func-
tion is ineffective if you have not assigned any zones.
Zone valve status: Display of the current control command at the zone valve
DHW
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