Siemens SINAMICS G180 Installation And Operating Instructions Manual page 181

In the case of units with frame size S3, the cabinet width when compared to the air-cooled
version increases as follows:
Cabinet increase for water cooling
Units with one system
Units with two or three systems
Units with four systems
Water cooling - Ambient conditions
Frame size
Degree of protection
Water quality
Permissible coolant temperature
Permissible ambient temperature
Water cooling - Water pressure and amount of water
Frame size
Water flow rate [l/h]
Min. operating pressure [bar]
Max. operating pressure [bar]
Pressure loss [approx. bar]
Test pressure [bar]
Water cooling - Connection hoses
Frame size
Inlet DN "...^..."
Return DN "...^...
Venting DN "...^..."
Cabinet height [mm]
Installation and operating instructions Sinamics G180
Operating Instructions, 05/2013, 4BS0751-001
BG SW2, BG SW21, BG SW3
IP55
IP54 with operator panel in the door
For industrial water, see section "Permissible substance values for the cooling
water" (Page 180)
+ 10 °C ... + 25 / 30°C (depends on the power, see inverter documentation)
In operation: + 1 °C ... + 55 °C
BG SW2
720
1
6
0.5
10
BG SW2
13 ^ ½ "
13 ^ ½ "
13 ^ ½ "
2000
C.9 Technical data of the direct water cooling
200 mm
400 mm
600 mm
BG SW2/21
1200
1
6
0.7
10
BG SW2/21
13 ^ ½ "
13 ^ ½ "
13 ^ ½ "
2200
Technical data
BG SW3
2000
2.5
6
1.4
10
BG SW3
19 ^ ¾ "
19 ^ ¾ "
13 ^ ½ "
2200
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