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SYSTEM AND MODULE DATA
Observe coolant flow rate
► Fall below => no sufficient cooling.
► Exceeding => heat sink is washed out.
Coolant connection
Coolant
Amount of coolant in the device
Minimum amount of coolant (system length A)
Maximum amount of coolant (system length F)
Coolant inlet temperature
Minimum volume flow
Maximum volume flow
Rated volume flow
Max. operating pressure in the cooling system
Pressure drop
Conditions
Volume flow in l / min
Pressure drop in bar
Table 18:
Technical data coolant
The coolant inlet temperature must always be ≥ than the ambient temperature. A temperature difference
1)
between drive inverter and ambient temperature can lead to condensation at high humidity. Moisture con-
densation is dangerous for the drive inverter. The drive inverter can be destroyed through occuring short-cir-
cuits. The user must guarantee that any moisture condensation is avoided!
constant, minimum
1)
constant, maximum
Ambient temperature
Temperature cooling medium
Cooling medium
System length A
System length B
System length C
System length D
System length E
System length F
Water-glycol (45:55)
The amount of coolant is
depending on the system length
0.125 l
0.410 l
30°C
65°C
5 l/min
15 l/min
10 l/min
2 bar
30°C
30°C
Demineralised water
mixed with Longlife
radiator antifreeze C 040
5
10
0,037
0,126
0,042
0,140
0,051
0,171
0,054
0,180
0,060
0,202
0,066
0,221
15
0,256
0,284
0,348
0,367
0,412
0,449
45
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