Viessmann SCU224 Instrukcja Obsługi Pobierz pdf (Strona 11)

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SCU224

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.

Sensors

Collector 1

Collector 2

Pumps

Heating circuit

Sensor

Additional symbol for

operation of the burner

Valve

Tank

Tank heat-exchanger

Tank 2 or afterheating (with

an additional symbol)

upper sensor tank

Valve

Pump

3-way-valve

The ﬂow direction or the

current breaking capacity

is always shown.

Heating circuit

Tanks 1 and 2

with heat-exchanger

Afterheating

with burner symbol

Temperature sensor

2.2.3 System screen

System Screen only

Constantly green: everything all right

Red/green blinking: initialisation phase

manual operation

Red blinking: sensor defect

(sensor symbol is quickly blinking)

2.3 Blinkingcodes

2.3.2 LED blinking codes

2.3.1 System screen blinking codes

• Pumps are blinking during starting phase

• Sensors are blinking if the respective sensor-indication

channel is selected.

• Sensors are quickly blinking in case of sensor defect.

• Burner symbol is blinking if after-heating is activated

Collectors

with collector sensor

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 23 24

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