2.2.1. System screen
only system screen
Collector 1
Valves
Pumps
Store heat exchanger
2.3. Blinking codes
2.3.1. System screen blinking codes
44
Sensors
Collector 2
Store
Collectors
with collector sensor
Store 1 and 2
with heat exchanger
3-way-valves
The flow direction or the
current breaking capacity are
always shown.
The system screen (active system scheme)
shows the schemes selected on the controller. It
consists of several system component symbols,
which are - depending on the current status of
the system - either flashing, permanently shown
or hidden.
Sensor store up
Heating circuit
Store 2 or after-heating
(with additional symbol)
• Pumps are blinking during starting phase.
• Sensors are blinking if the respective sensor-in-
dication channel is selected.
• Sensors are quickly blinking in case of sensor
defect.
• Burner symbol is blinking if after-heating is
activated.
GB
Valve
Sensor
Additional symbol
for operation of
the burner
Temperature sensor
Heating circuit
Pump
After-heating
with burner symbol