Caleffi solar iSolar 2 Manuel - Sayfa 6

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1.2.1

Data communication / Bus

VBus

connection clamps

1.2.2

Allocation of terminals for system 1

Arr 1

S4 / TRF

| 6

The controller comes with a VBus

and energy supply of external modules. The connection

is effected with optional polarity at the clamps marked

with„VBus

". Via this data Bus you can install one or more

VBus

modules, e.g.:

• heat quant. measurement module WMZ-M1

• large display GA3

• Data logger, DL1

• Smart Display SD3

Additionaly, the controller can be connected to the PC with

the help of a RS-COM adapter. 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 adjustment

of the system.

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

The sensor S4 / TR can be optionally used for heat quantity

measurement.

for data communication

Symbol

Specification

collector sensor

tank base sensor

tank top sensor, (optional)

S4 / TR

sensor for heat quantity

measurement (optional)

solar pump