6 720 820 872 (2016/12)CR 400 | CW 400 | CW 800
Service menu | 29
7.1.1 System data menu
Settings for the entire heating system can be made in this
menu. For example, the value for the minimum outside
temperature or the thermal storage capacity of the heated
building can be set here. Additional settings for heating
circuit 1 and DHW system I are available in this menu (if directly
connected to the heat source).
Menu item Adjustment range Description
Low loss hdr. sensr.
instll.
No low-loss header No low loss header is installed
At the boiler Low loss header installed, temperature sensor connected to heat source (boiler)
At the module Low loss header installed, temperature sensor connected to module
Header w/o sensor Low loss header installed, no temperature sensor is connected. If a heat
requirement is present, the heating pump is in permanent operation.
Config. DHW at
boiler
No DHW Hydraulic connection of DHW system I to heat source (boiler)
3-way valve
Primary pump
Config. of HC1 at
boiler
(only with heat
source with EMS 2)
Hydraulic and electrical connection of heating circuit 1 to heat source (boiler)
No heating circuit Heating circuit 1 not directly connected to heat source (boiler)
No own heating
circuit pump
Internal boiler pump serves also as heating pump in heating circuit 1
Own pump Heating circuit 1 is supplied by a separate heating pump (connected to a wall
mounted boiler)
Boiler circuit pump None The heat source pump operates purely as a heating circuit pump.
System pump The pump in the heat source must be running for every heat requirement. If a low
loss header is present, the internal pump is always a system pump.
Min. outdoor
temperature
– 35 ... – 10 ... 10 °C With weather-compensated control the minimum outside temperature affects the
heating curve (Æ Minimum outside temperature, page 30 and Menu for setting of
the heating curve, page 35).
Damping Yes The set building type affects the measurement of the outside temperature. The
outside temperature is delayed (adjusted).
No The measured outside temperature is included unadjusted in the weather-
compensated control.
Type of building Measure of the thermal storage capacity of the heated building
(Æ Type of building, page 30).
Heavy High storage capacity
Medium Medium storage capacity
Light Low storage capacity
Table 11 Settings in the system data menu
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