Lincoln Electric LF 52D Operator's Manual page 8

Controls and Operational Features
Front panel LF 52D
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4
2
Figure 1
Front panel LF 56D
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4
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2
Figure 2
1. EURO socket: For connecting a welding gun
(for GMAW, FCAW process).
2. Quick coupling socket:
(supplies cool coolant to the welding gun).
3. Quick coupling socket: Coolant inlet (takes
warm coolant from the welding gun).
English
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3
1
3
Coolant outlet
Maximum coolant pressure is 5 bar.
4. Output Socket for the Welding Circuit: For
connecting a wire with an electrode holder.
5. U0 User Interface (LF 52D): See „User Interface"
section.
6. Remote Control Connector Plug (LF 56D
only): For connecting a Remote Control Kit
or Cross Switch welding gun.
7. U7 User Interface (LF 56D): See „User Interface"
section.
Back panel LF 52D, LF 56D
8. Gas quick coupling socket: For connecting a
gas pipe.
WARNING
The machine allows the use all suitable shielding gases
with a maximum pressure of 5 bar.
9. Control Socket: 5 pins socket for connecting
the power source. The CAN protocol is used
for communication between the power
source and wire feeder.
10. Current Socket:
For connecting a welding cable.
11. Quick coupling
(supplies cool coolant from cooler to the
welding machine).
12. Quick coupling socket: Coolant outlet (takes
warm coolant from welding machine to
cooler).
13. Gas Flow Regulator Plug: Gas Flow Regulator can
be purchased separately. See "Accessories" section.
14. Switch: wire feed / gas purge: This switch allows wire
feeding (wire test) and gas flow (gas test) without
switching on the output voltage.
6
WARNING
Figure 3
socket: Coolant inlet
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English