User Manual
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Siemens Building Technologies Elctromotoric Actuators CA1N4865en
HVAC Products 20.04.2011
Notes
The admissible temperatures (see "Technical data", page 5) must be observed.
• The actuator may be operated only with alternating current (AC 230 V for SFP21/18
and AC 24V for SFP71/18)
• Phase cut and pulse-width-modulated signals are not suitable.
• Recommended number of opening/closing operations: approx. 50 per day, with
200 heating or cooling days
Mounting instructions are enclosed with the packaging. Mount ring AL50 prior to
mounting the actuator onto V..P47.. valves.
85° 85°
• Check the wiring.
• Check the functioning of the actuator and of the auxiliary switch, if fitted.
The valve can be opened manually by use of a lever on the actuator. When the valve is
approximately 90% open this locks into position. When electrical operation is resumed,
the locking mechanism is released automatically.
Opening the valve manually Locking the lever into position at a
valve opening of approx. 90%
01600
01602
Releasing the lever manually
01601
Rotate lever as far as the mechanical stop, and release.
Engineering
Electrical connection
Caution
Mounting
Orientation
Commissioning
Operating
Manual adjustment