Viessmann SCU224 Manual de Serviço descarregar pdf (Página 5)

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SCU224

S4 / TRF

1.2.2 Wiring connections for system 1

Standard solar system with 1 tank, 1 pump and 3 sensors.

Sensor S4 / TRF can optionally be used for heat quantity

balancing.

Arr 1

1.2.1 Datacommunication/Bus

The controller comes with a VBus

for data communication

and energy supply of external modules. The modules are

connected independently of the polarity to the connections

marked with „VBus

“. Via this data Bus you can install one

or more VBus

modules, e.g.:

• heat quant. measurement module WMZ

• large display GA3

• data logger, DL2

• smart Display SD3

Additionaly, the controller can be connected to the PC with

the help of a USB Adaptor cable. With the Service Center

Software (RCS) the controller parameters can be changed,

measurements can be read out, processed and visualised.

The software enables an easy function control and adjust-

ment of the system.

1 2

S1 S2 S3

3 4 5 6

Temp. Sensor Pt1000

LNR1NR2N

201918171615

7 8

141312

DE - 45527 Hattingen

DeltaSol BS Plus

2 (1) A 115

(1) A 115 V~

T4A

115 V~

CU 72060171 01

UL 60730-1A:2002

CSA E60730.1:2002

VBus

910

VBus

connection terminals

Symbol Speciﬁcation

S1 Collector sensor

S2 Tank sensor below

S3 Tank sensor at the top

(optionally)

S4 / TRF Sensor for heat quantity

measurement (optionally)

R1 Solar pump

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

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