Commissioning - Siemens Sinamics S120 Manual

Cooling circuit and coolant properties
13.1 Cooling circuit requirements
13.1.6

Commissioning

When commissioning the cooling water circuit, the following sequence must be observed:
● Ventilate the heat sink the first time the devices are filled.
● Remove the fixing glands located in front of the vent valve.
● Perform ventilation.
● Close the vent valve.
● Screw the fixing glands tight again.
● Check the seals.
● Set the operating pressure according to the flow conditions of the cooling water system in
the supply and return lines.
● Set the required cooling water flow rate per time unit.
802
WARNING
Danger to life through electric shock due leaking coolant
Death or serious injury can result when coolant is touched that is at a specific voltage
(i.e. is live).
• Before venting, switch the plant or system into a no-voltage condition.
Booksize Power Units
Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6