1
24 V
230 V
A
A
B
B
32 mm
3
2
4
73691180 DH-SMT/SI
VI.KU.N2.1J
© Danfoss 01/2008
2
safety Note
Prior to assembly and commissioning
to avoid injury of persons and damages
of the devices, it is absolutely necessary
to carefully read and observe these
instructions.
Necessary assembly, start-up, and
maintenance work must be performed
only by qualified, trained and authorized
personnel.
Prior to assembly and maintenance work
on the controller, the system must be:
- depressurized,
- cooled down,
- emptied and
- cleaned.
Please comply with the instructions of the
system manufacturer or system operator.
Mounting
1
The actuator should be mounted with the
valve stem in either horizontal position or
pointing upwards.
Wiring
2
Do not touch anything on the PCB!
Lethal voltage!
24 V
Grey
Stem down
Black
Common
Red
Stem up
230 V
Black
Stem down
Blue
Common
Brown
Stem up
Installation
3
1. Check the valve’s neck. The actuator
should be in stem up position (factory
setting). Ensure that the actuator is
mounted securely on the valve body.
2. Energise the actuator according to the
wiring diagram - see above.
3. The direction of stem movement can be
observed on the position indicator
.
Manual override
4
Press and hold the button
(on the
bottom side of the actuator) during manual
override.
Remark:
A ”Click” sound after energizing the actuator
means that the gear wheel has jumped into
normal position.
ENglIsh