Wolf ART Installation And Operating Instrictions page 11

Automatic summer and winter
changeover
The ART will automatically change over to
summer mode (heating circuit pump is switched
OFF), if the room temperature rises 1K above
the set room temperature. The system
automatically reverts to heating mode (heating
circuit pump is switched ON), when the actual
room temperature falls below the set room
temperature. Note: In summer mode, the status
display shows or
i
Fault codes
Any fault of the gas fired boiler will be
indicated by a flashing fault code number and
the warning symbol
C
i
Fault code display
Fault code Explanation
91 Wrong address set - ART
Fault code 91: In systems with several controllers,
two (e.g. AWT, ART) are set to the same BUS
address. Correct the address settings using the
DIP switches on the respective controllers.
Check the installation instructions of the
respective boiler for an explanation of all other
fault codes.
If the device will not operate properly after the
boiler has been reset twice, or if the boiler
cannot be reset, inform your heating
contractor of the fault code displayed.
.
in the ART display.
Room temperature dependent frost
protection
Heating mode commences with a set room
temperature of +5 °C if the room temperature
in summer mode drops below 5 °C. The frost
protection functions ends if the actual room
temperature rises above +6 °C. Even during
frost protection, the status display remains
i
at .
Set DHW temperature (P 03)
Setting the desired DHW temperature for eBUS
interfaces.
For SCOM interfaces, the DHW temperature will
only be displayed. Adjustments are made at the
boiler.
Pasteurisation (P 04) (only with eBUS
in conjunction with a boiler with DHW
cylinder)
Pasteurisation is switched OFF when factory
settings are active (parameter P 04 = 00).
Pasteurisation is active if parameter P 04 is set
to 01.
The DHW cylinder will be heated to 65 °C once
every day for one hour after DHW loading has
been enabled, if pasteurisation has been
activated.
Parameter P 04 will be displayed during eBUS
communication.
Controller reset
The ART processor is restarted by pressing
"Reset". The display indicates the software
number, version and all symbols in sequence.
Loading the standard configuration
q
Hold down key and briefly press "Reset". The
software number and version and then EEP
are displayed. The ART is then reset to its factory
settings.
Contractor level
11