Download Viessmann SCU224 Technical data

SCU224
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.
1.2.5 Wiring connections for system 4
Arr 4
S1
R1
Symbol
S1
S2
S3
S4 / TRF
S3
R2
S2
S4 / TRF
R1
R2
1.2.6 Wiring connections for system 5
Specification
Collector sensor
Tank sensor lower
Tank sensor at the top
Sensor for heat quantity
balancing (optionally)
Solar pump
3-way-valve
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.
Arr 5
S1
R2
R1
Tank 1
Tank 2
© 08284 SCU224.monus.indd
S2
S4 / TRF
S3
Symbol
S1
S2
S3
S4 / TRF
R1
R2
Specification
Collector sensor
Tank sensor 1
Tank sensor 2
Sensor for heat quantity
balancing (optionally)
Solar pump
3-way-valve
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