Viessmann SCU224 Wartungshandbuch PDF herunterladen (Seite 9)

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SCU224

S1

S3

S2

S4

R2

R1

S1

S4

S2

S3

R1

R2

1.2.8 Wiring connections for system 8

1.2.9 Wiringconnectionsforsystem9

Solar system with after-heating by solid fuel boiler

with 1 tank, 4 sensors, 1 solar pump and 1 pump for after-

heating.

Solar system and heating circuit reverse raising with

1 tank, 4 sensors, 1 solar pump and 1 3-way-valve for heating

circuit reverse raising.

Arr 8

Arr 9

Symbol Speciﬁcation

S1 Collector sensor

S2 Lower tank sensor

S3 Upper tank sensor

S4 Tank for solid fuel boiler

R1 Solar pump

R2 Pump for solid hot

fuel boiler

Symbol Speciﬁcation

S1 Collector sensor

S2 Lower tank sensor

S3 Upper tank sensor

S4 Heating circuit return

R1 Solar pump

R2 3-way-valve

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 23 24

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