Siemens SKB62 Series Handmatig - Pagina 17
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Manual operation
For manual operation, swing out the crank [2] so that the display window [3] becomes visible.
By rotating the crank or the manual adjustment knob [1], the display window shows the
engagement bar and/or the scale dial [4] with stroke indication.
Engaged crank [2] on the manual adjustment knob [1]
Swung-out crank; display window [3]
Maintenance
The actuators are maintenance-free.
When servicing the control device:
Risk of burns from hot actuator brackets
The actuator brackets on heating plants can also become hot from the contact with the hot
valve during operation. The temperature of the actuator bracket can reach 100 °C.
When servicing the actuator:
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Risk of injury
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Siemens
Smart Infrastructure
WARNING
Switch off both pump and operating voltage.
Close the main shutoff valve in the piping.
Release pressure in the pipes and allow them to cool off completely.
WARNING
Disconnect electrical connections from the terminals as neede.
The actuator must be properly installed prior to recommissioning the valve.
Display window with invisible scale dial and crank
engagement bar
Display window with scale dial [4] and stroke indication
in mm
17
CM1N4564en
2023-10-17