Operation; Connections And Control Devices, Mig U4000I - ESAB Arc 4000i Service Manual

OPERATION

General safety regulations for the handling of the equipment can be found in the instruction
manual. Read through before you start using the equipment!

Connections and control devices, Mig U4000i

1 Connection for cooling water from the TIG
torch -- RED
2 Connection with ELP* for cooling water to
the TIG torch -- BLUE
3 Cooling water filler
4 Connection for welding current cable (+)
at MMA welding or for return cable at TIG
welding
5 Connection for remote control adapter
6 Connection for return cable (--) or for wel-
ding current cable at TIG welding
7 Connection for start signal from the torch.
8 Connection for gas to the TIG torch
9 Main power supply switch, 0 / 1 / START
* ELP = ESAB Logic Pump, see Cooling unit on page 75.
cu20i1
10 White indicating lamp -- Power supply ON
11 Orange indicating lamp -- Overheating
12 Connection for control cable to the wire
feed unit or to the terminating resistor
13 Connection for gas hose
14 Connection for welding current to the wire
feed unit
15 Connection for cooling water to the wire
feed unit -- BLUE
16 Connection for cooling water from the wire
feed unit -- RED
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S0740 800 191/E080229/P78