Fronius FK 4000-R Installation Instructions page 6

Procedure 7.
(continued)
8.
Fig.2
Fig.3
Connect the adapter plug (6) to the 400 V blade connector lug on the autotransfor-
mer.
Depending on the mains voltage, connect the 400-450-500V interconnecting cable
(from Molex X10/Pin 8) to the 400V, 450V or 500V blade connector lug on the
autotransformer.
FK 4000-R autotransformer fitted
Excerpt from TS 4000/5000, TPS 4000/5000 overall circuit diagram
Note:! The 450V tap is suitable
for 440V and 460V mains
voltage.
9. Connect the centrifugal pump supply
cable 3-M2/Pin 2 (brown wire) on the
autotransformer to the adapter plug
on the 400V blade connector lug.
10. Secure the autotransformer (3) cover
with plastic rivets (4).
11. Refit the side panel on the cooling
unit.
2