Viessmann SCU224 Manual de Serviço descarregar pdf (Página 33)

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SCU224

The system screen (active system layout) shows the system

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 backup heating (with

an additional symbol)

tank sensor

at the top

valve

Pump

3-way valve

The ﬂow direction or the

actual switching position is

shown

Heating circuit

Tanks 1 and 2

with heat exchanger

Backup heating

with burner symbol

Temperature sensor

System screen

system screen

green: everything OK

red/green ﬂashing initialization phase

manual operation

red ﬂashing: sensor fault

(sensor symbol is ﬂashing quickly)

2.3 Flashing codes

LED ﬂashing codes

System screen ﬂashing codes

• Pumps are ﬂashing during initialization phase

• Sensor symbols are ﬂashing if the corresponding sensor

display channel is selected.

• Sensors are ﬂashing in the case of a sensor fault.

• Burner symbol is ﬂashing if the backup heating is active

Collectors

with collector sensor

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 51 52

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Viessmann SCU224 Manual de Serviço Página 33

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