5 - MANUAL CONTROL
6 - VALVE POSITION AND FLOW OF FLUID
When the terminal 1 (brown wire) is energized, the actuator turns clockwise, i.e. the path A-AB
opens. When the terminal
3 (black wire) is energized,
the actuator turns counter-
clockwise, i.e. the path
B-AB opens. As soon as the
path B-AB fully opens, 230V
tension appears on the
terminal 4/6 (red wire).
|3
90°
90°
N Y1 Y2
1 2 3
ACTUATOR
VZK - S...
L
OUTPUT
L - 1(1) A, 230 V AC
B
AB
6
4
CONTROLLER
1
2 BLUE
3 BLACK
4/6 RED
BROWN
PUMP
L
CIRCULATION PUMP WIRING
N
N
CONTACTOR COIL
1 A / 250 V
N
L
MAN
AUTO
A
AB
B
A
AB
MAN
AUTO
A
AB
B
B
AB
brown
(L)
blue
(N)
black
(L)
output signal
B
AB
1
2
3
red
(L)
4
6
brown
(L)
blue
(N)
black
(L)
output signal
1
2
3
red
(L)
4
6
7 - ACTUATOR WIRING
The actuator is controlled by a switch contact from
a controller or thermostat (single-pole wiring).
WARNING
The actuator shall be protected by
a 1A fuse. Disconnect it from power
prior to opening the housing. When
the actuator is in a fully open posi-
tion, 230V tension appears on the
terminal 4/6. This output can be
used to control a circulation pump if
connected via a contactor.
Respect safety rules when working on
an electric device. Wire the actuator
to the mains in compliance with the
valid standards.
