Viessmann SCU224 Instrukcja Obsługi Pobierz pdf (Strona 7)

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SCU224

1.2.5 Wiring connections for system 4

1.2.6 Wiring connections for system 5

S2

R1

S3

R2

S1

Solar system and tank charge in layers with 1 tank,

3 sensors, 1 solar pump and 3-way-valve for tank charge

in layers. Sensor S4 / TRF can optionally be used for heat

quantity balancing.

2-tank-solar system with valve logic with 2 tanks,

3 sensors, 1 solar pump and 1 3-way-valve. Sensor S4 / TRF

can optionally be used for heat quantity balancing.

R2

S4 / TRF

S1

R1

S2 S3

S4 / TRF

Arr 4

Arr 5

Tank 1 Tank 2

Symbol Speciﬁcation

S1 Collector sensor

S2 Tank sensor lower

S3 Tank sensor at the top

S4 / TRF Sensor for heat quantity

balancing (optionally)

R1 Solar pump

R2 3-way-valve

Symbol Speciﬁcation

S1 Collector sensor

S2 Tank sensor 1

S3 Tank sensor 2

S4 / TRF Sensor for heat quantity

balancing (optionally)

R1 Solar pump

R2 3-way-valve

1 2 3 4 5 6 7 8 9 10 11 12 ... 23 24

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