0020334316_02 Operating and installation instructions
31
Sensor assignment
Configuration
S1
S2
S3
S4
S5
S6
S7
FM3+FM5
–
–
–
–
VR 10
VR 10
–
FM3
VR 10
–
–
–
VR 10
VR 10
–
4.7
Settings for the basic system diagram codes
The systems are roughly grouped according to their connected system components. Each grouping contains a basic system
diagram code that you must enter in the
Basic system diagram code:
function in the system control. The system control
requires the basic system diagram code in order to enable the system-related functions.
4.7.1
Gas- or oil-fired boiler as a single unit
System property
Basic sys-
tem dia-
gram code:
allSTOR
cylinder system incl. domestic hot water station
1
Boilers with solar domestic hot water support
1
All boilers without solar
–
Connecting the domestic hot water cylinder temperature sensor to the boiler
1
Exceptions:
Boilers without solar
–
Connecting the domestic hot water cylinder temperature sensor to the functional module
2
1)
Boiler with solar heating and hot water support
2
1)
1) Do not use the integrated prioritising diverter valve from the
ecoTEC VC
boiler (permanent position: Heating mode).
4.7.2
Cascade with gas- or oil-fired boilers
Maximum seven boilers possible
As of the second boiler, the boilers are connected via
VR 32
(address 2 to 7).
System property
Basic sys-
tem dia-
gram code:
Domestic hot water generation provided by a selected boiler (isolating circuit)
–
Domestic hot water generation provided by the boiler with the highest address
–
Connecting a domestic hot water cylinder temperature sensor to this boiler
1
Domestic hot water generation provided by the whole cascade (no isolating circuit)
–
Connecting the domestic hot water cylinder temperature sensor to the FM5 functional module
2
1)
allSTOR
cylinder system incl. domestic hot water station
2
1)
1) Do not use the integrated prioritising diverter valve from the
ecoTEC VC
boiler (permanent position: Heating mode).
4.7.3
Heat pump as a single unit (monoenergetic)
With immersion heater in the flow as a back-up boiler
System property
Basic system diagram
code:
Without
heat ex-
changer
1)
With heat
exchanger
1)
Without solar
–
Connecting the domestic hot water cylinder temperature sensor to the heat pump control module
and/or heat pump
8
11
With solar domestic hot water support
8
11
allSTOR
cylinder system incl. domestic hot water station
8
16
1) E.g.
VWZ MWT
Summary of Contents for sensoCOMFORT VRC 720/3
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