Regulus VZK S 3 230-2P Series User manual

www.regulus.eu
VZK S 3xx-230-2P
VZK S 3xx-230-2P
EN
Installation and Operation Manual
THREE-WAY ZONE BALL VALVE
VZK S 3xx-230-2P

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CONTENTS
1. Introduction .................................................................................................................... 3
2. Technical Data ............................................................................................................... 3
3. Actuator.......................................................................................................................... 5
3.1. Actuator Electrical Wiring ................................................................................ 5
3.2. Actuator Control .............................................................................................. 6
3.3. Actuator Placing .............................................................................................. 6
4. L-bore Valves ................................................................................................................. 7
4.1. Valve Adjustment Options ............................................................................... 7
5. T-bore Valves ................................................................................................................. 8
5.1. Valve Adjustment Options ............................................................................... 8
6. Permissible and Prohibited Positions ............................................................................ 10

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1. Introduction
A 3-way zone valve with electric actuator (230V, 50Hz), permitting manual control. It is usually
used in heating and solar thermal systems. The actuator is attached to the valve with four M5 nuts
(spanner size 8) and can be removed without the need to remove the valve. The valve does not
interrupt the ow of uid through the common port during switching. The direction of uid ow is
indicated by the actuator control knob. Fluid can ow in either direction through the valve (common
port can be used either as inlet or outlet).
2. Technical Data
L-bore Valves
Marking
Code
Connecting thread A
(3x)
Dimension B
Dimension C
Open/close time. [s]
Kvs [m3/h]
Weight [kg]
VZK S 325-230-2P-60 L 3/4F 11286 3 x G 3/4" F 104 52 60 13.1 1.6
VZK S 325-230-2P-60 L 1F 11287 3 x G 1" F 104 52 60 14.3 1.7
T-bore Valves
Marking
Code
Connecting thread A
(3x)
Dimension B Dimension C
Open/close time [s]
Kvs straight [m3/h]
Kvs 90 deg. [m3/h]
Weight [kg]
VZK S 325-230-2P-60 T 3/4F 18674 3 x G 3/4" F 104 52 60 20.0 13.1 1,6
VZK S 325-230-2P-60 T 1F 18675 3 x G 1" F 104 52 60 28.3 14.3 1,7

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Technical Data
Max. working pressure 10 bar
Max. uid working temperature 110 °C
Valve open/close time 60 s
Angle of rotation 90°
Ambient working temperature 5 °C to 40 °C
Max. relative humidity 80% non condensing
Max. pressure di󰀨erence 10 bar
Electric Data
Power supply 230 V 50 Hz
Max. power consumption 2.5 VA
Max. current 17 mA
Torque 5 Nm
IP rating IP42
Protection class II
Power cable cross section 3 x 0.5 mm2
Power cable length 2 m
Materials
Valve housing brass CW617N
Valve spindle brass CW617N
Valve ball chrome-plated brass
O-rings EPDM, FPM
Seal PTFE
Power cable PVC

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Direction of ow through the valve
Direction of ow through the valve is indicated by the actuator control knob or by the groove on the
valve spindle visible after removing the actuator:
L-bore Valve T-bore Valve
More info can be found in Chapters 4 and 5.
3. Actuator
3.1. Actuator Electrical Wiring
The actuator is controlled by the switch-over contact of a controller (three-point wiring), 230 V, 50
Hz. When one controller output closes, the valve rotates clockwise, when the other output closes, it
rotates anti-clockwise. The actuator is equipped with end stops so the controller can be permanently
switched through one of the outputs into the actuator. However, the controller must never close both
the outputs for valve control simultaneously, otherwise the actuator will get damaged.
Wiring diagram
blue
black
brown

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3.2. Actuator Control
The actuator can be switched between automatic and manual mode. In automatic mode, its direc-
tion of rotation is indicated by light indicators. In manual mode, the valve can be turned using the
control knob.
The control knob shows the position of the valve using the coloured eld. The colour of the uid ow
direction on the label corresponds to the colour indicated by the control knob.
Indicators
Control knob
Label
Automatic mode
Manual mode
3.3. Actuator Placing
The default position of the actuator is such that the valve can be installed in the piping without
removing the actuator. If required, the actuator can be removed and tted in a di󰀨erent position
(in quarter turns) - see the g. The label shall be then carefully removed and rotated to the correct
position according to the ports arrangement.
Default position
of the valve
actuator

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4. L-bore Valves
4.1. Valve Adjustment Options
A) Factory adjustment
The default setting of the actuator is with the knob turned to show blue field. After the contact is
switched in a controller or a thermostat, the valve turns clockwise and the red field is shown by the
knob. After the contact is switched again, the valve returns to its default position. A label showing
the fluid flow direction in colour corresponding to the colour shown by the knob position is placed on
the actuator.
Default position Default position Label on the actuator
Blue indicator Red indicator
Warning: Other settings than the default factory adjustment are not possible.

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5. T-bore Valves
5.1. Valve Adjustment Options
A) Factory adjustment
The default setting of the actuator is with the knob turned to show blue field and the fluid flows
straight through the valve. After the contact in a controller is switched, the valve turns clockwise.
The red field is shown by the knob and the fluid is directed through 90 degrees in the valve. After
the contact is switched again, the valve returns to its default position. A label showing the fluid flow
direction in colour corresponding to the colour shown by the knob position is placed on the actuator.
Default position Position after turning Label on the actuator
Blue indicator Red indicator

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B) Changing the common port of the valve
If necessary, the common port of the valve can be changed. In the default position the knob will
show the red eld and the uid will ow straight through the valve. After the contact in a controller
is switched, the valve turns anti-clockwise. The blue eld will be shown and the uid will be directed
through 90 degrees in the valve. After the contact is switched again, the valve returns to its default
position.
How to change the default position of the valve
1. Switch the valve to manual mode and turn the knob to the default factory position (blue eld).
2. Unscrew the four M5 nuts (spanner size 8) and remove the actuator from the valve.
3. Turn the knob by a quarter turn to show the red eld.
4. Fit the actuator on the valve and tighten it with the four M5 nuts.
5. Switch the actuator to automatic mode.
6. Remove the label from the actuator and replace it with the enclosed label showing the
corresponding setting.
Default position Position after turning Label on the actuator
Red indicator Blue indicator

6. Permissible and Prohibited Positions
WARNING - Important
Installation of the valve in a position where the actuator is located below the valve
is prohibited.

©2021 We reserve the right to errors, changes and improvements without prior notice.
REGULUS spol. s r.o.
E-mail: [email protected]
Web: www.regulus.eu
v1.0-09/2021