SIEMENS
SINAMICS G180
SINAMICS G180 cabinet units
SINAMICS G180 cabinet units
liquid-cooled
3/75
Siemens D 18.1 · 2014
3
■
Design
(continued)
Closed cooling circuit for a SINAMICS G180 liquid-cooled converter
The following diagram shows a typical example of a closed cooling circuit with an explanation of all the main cooling circuit
components.
SINAMICS G180 liquid-cooled cabinet unit – recommended layout for a closed cooling circuit
Open cooling circuit for a SINAMICS G180 liquid-cooled converter
The following diagram shows a typical example of an open cooling circuit with an explanation of all the main cooling circuit
components.
SINAMICS G180 liquid-cooled cabinet unit – recommended layout for an open cooling circuit
G_D024_EN_00039
Pressure
compensation
vessel
Inlet connection: hose
Outlet connection: hose
Solenoid valve, positively driven -Y1
Air-to-water heat exchanger with fan for cooling internal area
Cooling plate with modules
Shut-off for venting -Y3
Hose for venting; 2 m overlap
Total venting from the cooling circuit
must be ensured
Overpressure
valve < 6 bar
Pressure
display
Intake
Return
Mesh size
approx. 50 μm
SINAMICS G180 -
Liquid-cooled cabinet unit
Pump
Inspection
window
Dirt filter
(screen)
Heat
exchanger
1
2
3
4
5
6
7
1
2
7
4
3
6
5
-M1,
-M2,
-M3
-Y3
-Y1
G_D024_EN_00040
Inlet connection: hose
Outlet connection: hose
Solenoid valve, positively driven -Y1
Air-to-water heat exchanger with fan for cooling internal area
Cooling plate with modules
Shut-off for venting -Y3
Hose for venting; 2 m overlap
Total venting from the cooling circuit
must be ensured
Return
Mesh size
approx. 50 μm
SINAMICS G180 -
Liquid-cooled cabinet unit
Pressure
display
Intake
Pump
Coolant
reservoir
Dirt filter
(screen)
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
7
4
3
6
5
-M1,
-M2,
-M3
-Y3
-Y1
© Siemens AG 2014