User Manual

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Siem ens Modulating control valves with magnetic actuators, PN 16 CA1N4455en
Building Technologies 2018-02-05
Installation notes
∂ The MXG..461.. valves are flat-faced allowing sealing with the gaskets provided with
the ALG..3 set of 3 threaded fittings.
∂ Do not use hemp for sealing the valve body threads.
∂ The actuator may not be lagged.
For notes on electrical installation, see "Connection diagram".
Maintenance notes
The valves and actuators are maintenance-free.
The low friction and robust design make regular servicing unnecessary and ensure a
long service life.
The valve stem is sealed from external influences by a maintenance-free gland.
If the red LED is lit, the electronics must be recalibrated or replaced.
If the valve electronics prove faulty, the electronics module must be replaced by the
ASE1 (DN 15…32) or ASE2 (DN 40…65) replacement electronics module.
Mounting instructions no. 35678 are included.
Always disconnect power before fitting or removing the electronics module.
After replacing the electronics module, calibration must be triggered in order to
optimally match the electronics to the valve (refer to "Calibration", page 5).
Under operating conditions within the limits defined by the application data, the
actuator will become hot, but this does not represent a burn risk. Always
maintain the minimum clearance specified, refer to "Dimensions", page 14.
Disposal
The valve is considered electrical and electronic equipment for disposal
in terms of the applicable European Directive and may not be disposed
of as domestic garbage.
∂ Dispose of the valve through channels provided for this
purpose.
∂ Comply with all local and currently applicable laws and
regulations.
Warranty
Observe all application-specific technical data.
If specified limits are not observed, Siemens will not assume any responsibility.
Repair
Caution
Caution