Pumps - Viessmann VITOSOLIC 200 Installation And Service Instructions Manual

Overview of electrical connections
D Zero volt relay output
E KM BUS
F V BUS (e.g. connection to a large
display or to the datalogger, acces-
sories)
G PWM signals for pumps at R1 to
R4
Sensor inputs
S1, S9 NTC sensors, 20 kΩ
(collector temperature sen-
sor)
S2–S8 NTC sensors, 10 kΩ
(cylinder temperature sensor)
S10–S12 NTC sensors, 10 kΩ
(cylinder temperature sensor)

Pumps

Possible pumps
Standard solar circuit pumps
■ Without individual speed control (with integral
auxiliary capacitor)
■ With individual speed control
High efficiency pumps
Pumps with PWM input
Note
Use only solar pumps, not heating circuit
pumps.
■ WILO pump
■ GRUNDFOS pump
For information regarding speed control,
see page 139
Installation sequence
(cont.)
H Pulse counter input for connection
of flow meters
K Solar cell CS
L Sensor inputs
Parameter "Control"
Make settings in menu "Con-
tractor" (see page 165).
"Pulse"
"ON/OFF"
"ON/OFF"
"PWM A"
"PWM B"
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