Activating Speed Control; Changing The Minimum Speed - Viessmann VITOSOLIC 200 Installation And Service Instructions Manual

Function description
Speed control
2. Main menu
■ "Solar"
■ "Contractor"

Activating speed control

Make the following settings at the
solar control unit:
Main menu
■ "Contractor"
■ "Outputs"
– "Control"
Set the required value (see the fol-
lowing table).
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

Changing the minimum speed

Make the following settings at the
solar control unit:
Main menu
■ "Contractor"
■ "Outputs"
– "Min speed"
Select the corresponding relay and
set the value.
140
(cont.)
– "Control unit"
– "Rise"
Set a value.
Parameter "Control"
"Pulse"
"ON/OFF"
"ON/OFF"
"PWM A"
"PWM B"