5. 2-WAY MOTORIZED VALVE
5.1 Servomotor technical data.
Power supply:
230 V / 50 Hz
Consumption:
4 VA
Degree of protection:
IP 55
Insulation class:
II
Max torque:
14,5 Nm (230 V)
Rotation angle:
90°
Manoeuvre time:
60 sec
Auxiliary contact:
1 - free 5 A, 230 V (on/off)
Operating temperature:
from 0 °C to 50 °C
Indicator:
open valve
Continuous manoeuvre frequency: 1/5 min
5.2 Valve technical data.
Brass body:
ST UNI EN 12165 CW617N nickel-plated
Sfera in ottone:
ST UNI EN 12165 CW617N chrome-plated
Operating limits:
from -40 °C a 100 °C (circulating fluid)
Operating pressure:
PN 40
Differential pressure:
max 6 bar
Sphere housing seal:
PTFE
Rod seal:
HNBR
5.3 Installation.
Use a fixed wrench to perform one complete turn of the manoeuvre rod
of the valve.
Check and align, if necessary, the metal joint at the outlet of the servo-
motor with the manoeuvre rod of the valve; check that the servomotor is
perpendicular to the valve.
5.4 Wiring diagrams.
Wiring diagram for connection of a user U powered at 230 V (5 A max)
through the valve motor.
Wiring diagram for connection of a user U with independent power sup-
ply (max 230 V - 5 A).
Key
a Room thermostat
b User
c Auxiliary contact
d Electrical bridge
22
/ IP 50
Note
The servomotor is provided with an auxiliary contact to manage the
enabling of a user (e.g., boiler, meter, circulation pump).
GRAY
GRAY
BLACK
BROWN
BLUE
GRAY
GRAY
BLACK
BROWN
BLUE
GB
GB
230V
F N
TA
230V
F N
TA