ABB ACS880-307LC, Hardware Manual

Page: 80 / 106

A/L
HS HS
a c
d b
a
d b
c
A/L A/L
A/L
HS
HS
A/L
1
2
3
2
Supply modules. The drawing shows the configuration of a diode supply unit, ie. there is a common
air-to-liquid exchanger in the cubicle. With an IGBT supply unit, each module has a dedicated air-to-
liquid exchanger as shown for item 2. 1
Inverter modules 2
To/From cooling unit 3
Air-to-liquid heat exchanger A/L
Heat sink HS
Inlet valve a
Inlet-side drain valve b
Outlet valve c
Outlet-side drain valve d
The coolant used with ACS880 liquid-cooled drive systems is Antifrogen® L 25% or 50%
mixture. See
Coolant specification (page 84) .
80 Internal cooling circuit