And Finally; Note On Connecting The Coolant Filter Option - Fronius OPT/i CU Duo Installationsanleitung

And finally...

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Note on connect- IMPORTANT! When using the OPT/i CU Filter mounting / Duo option, connect the coolant
ing the coolant fil- filter option to the cooling unit as follows:
ter option -
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Fit the cover
Secure the cover with five TX25 screws
Tightening torque = 3 Nm
Fit the side panels
Secure the side panels with six TX25 screws
Tightening torque = 3 Nm
Put the cooling unit back into the welding system
(see the cooling unit Operating Instructions)
Always connect the coolant filter option to the side of the cooling unit with the black
plastic nut
Connect the coolant filter option to the red connection socket
Connect the coolant filter option to the red connection socket
Connect the hose supplied with the OPT/i CU Filter mounting / Duo to the coolant filter
Connect the other end of the hose to the black connection socket