Fronius FK 4000, Руководство по эксплуатации, Страница: 24 / 52

Fitting coolant connections to the front of the unit
Safety
WARNING!
An electric shock can be fatal.
Before starting work:
▶
turn the power source mains switch to the "O" position
▶
disconnect the power source from the mains
▶
ensure that the power source remains disconnected from the mains until all work
has been completed
After opening the device, use a suitable measuring instrument to check that electrically
charged components (e.g. capacitors) have been discharged.
WARNING!
An inadequate ground conductor connection can cause serious injury or damage.
The housing screws provide a suitable ground conductor connection for earthing the
housing and must NOT be replaced by any other screws that do not provide a reliable
ground conductor connection.
General The coolant connections can be installed either at the front of the cooling unit or at the
rear, thanks to the different central connectors.
When using the cooling unit with a TPS 2700, the coolant connections are to be moved
from the rear to the front of the cooling unit.
Fitting coolant
connections to
the front of the
unit
NOTE!
Make sure that no coolant enters the device.
If there is any coolant on the exterior of the device, remove it immediately.
1
Disconnect the cooling unit from all system components and ensure that it remains
so for the duration of all work
2
Unscrew the three screws from the right side panel (as seen from the front) of the
cooling unit and remove the side panel
3
Unscrew the plastic nuts from the coolant connections (1) and (2)
4
Route hoses for coolant return (3) and coolant flow (4) to the front panel
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