REFU REFUsol 100K, Руководство по эксплуатации

Страница: 47 / 66

Maintenance 47
Replacement
REFUsol 100K
982059/02
2020-11
En
gl
is
h
D
eu
ts
ch
9.2 Replacement
9.2.1 Replacing the PowerUnit Fan
The fan can be easy replaced without opening the
inverter.
✅ Electrical systems are disconnected according to
the 5 safety rules.
1. Loosen the 2 screws of the fan plate.
2. Remove the fan plate from the inverter.
3. Remove the plug connectors.
4. Connect the new fan plate to the inverter using the
connectors.
5. Tighten the 2 new fan plate screws crosswise with a
tightening torque of 0.6 Nm.
6. Check fans for function.
9.2.2 Replacing the Central ConnectionBox Fan
✅ Electrical systems are disconnected according to
the 5 safety rules.
1. Loosen the 4 PowerUnit fixing screws. Make sure
that the PowerUnit is pressed slightly in the direc -
tion of the ConnectionBox when the last screw is
loosened.
2. Slowly pull the PowerUnit into the opposite direc -
tion. Make sure that the hydraulic rod is hooked in
the ConnectionBox.
3. Lift the PowerUnit with the help of 2 people with one
hand on the handle and one hand on top of the inver -
ter.
4. Place the PowerUnit carefully on a dry and clean
surface.
5. Remove the four expanding rivets of the Connecti -
onBox fan with suitable tools.
6. Pinch off both cable ties on the ConnectionBox rear
wall.
7. Remove the plug connector to the adapter board
and remove the defective fan.
8. Mount the new ConnectionBox fan with four new
expanding rivets (4 x 9 mm). Pay attention to the
orientation of the power supply cable.
9. Use two cable ties to secure the supply, Ethernet
and sensor cables to the rear of the ConnectionBox.