Overview Of Electrical Connections; Solar Circuit Pump - Viessmann Vitosolic 100 Installation And Service Instructions Manual

Installation sequence

Overview of electrical connections

A
S1 S2 S3
1 2 3 4 5 6
B
A Wiring chamber of the solar control
unit
B Sensor inputs
C PWM signal for the solar circuit
pump

Solar circuit pump

Note
■ The "RPM" parameter is factory-set
according to the type of inbuilt pump.
This setting only needs to be changed
when replacing the control unit or pos-
sibly when replacing the pump.
■ In the delivered condition, the power
cable for the solar circuit pump (power
supply) and the PWM cable (if instal-
led) are connected.
12
PWM 145
GND +
9 10 11 12
C D
R1
R2
?
13 14 15 16 17 18 19 20 21
D KM BUS
E Fuse, 4.0 A (slow)
R1 Semi-conductor relay (suitable for
speed control)
R2 Electromechanical relay
!
Please note
If the "RPM" parameter is set
incorrectly, this may damage the
appliance or cause faults.
Note the relevant value shown in
the following table.
T 4 A
E
250 V
P = 2 VA
AC 250 V 0,8 A
AC 250 V 4(2) A
230 V
IP 20, l, T40
50 Hz
N R2 N R1 N L