Connecting Actuators - Viessmann VITOTRONIC 300 Installation And Service Instructions Manual

Connecting actuators

Extension connections for heating circuits 2 and 3, each with mixer
Plug Component
M2/M3 Mixer motor, mixer extension kit
gS
Connections on the 230 V~ PCB
Plug Component
One of the following functions:
gS A1
Motorised butterfly valve, boiler
■
Mixing valve for boiler return temperature
■
control
Mixing valve, heat exchanger set
■
M
1~
52
Fig. 19
OPEN
CLOSE
Connecting a central fault message facility
Plug gÖ
■ Vitotronic 300: All system faults are transferred.
■ Vitotronic 100: Faults from the respective boiler are
transferred.
L N
50
Fig. 20
Vitotronic 300
X
Vitotronic 300
X
X
X
Rated voltage 230 V~
Rated current Max. 0.2 (0.1) A~
Runtime 5 to 199 s
Setting runtime
The runtime can be set by means of the following
parameters:
■ in conjunction with plug
"56" in the "General" group
–
"0F" in the "DHW" group
–
■ in conjunction with plug
"16" in the "Heating circuit..." group
Rated voltage
Rated current
Electrical connections
Vitotronic 100
—
Vitotronic 100
X
X
—
A1:
gS
gS M2/M3:
230 V~
Max. 4(2) A~
31