Design and function
Transport and installation
099-007033-EW501
4.1.2022
31
5.1.8 Welding torch cooling system
5.1.8.1 Cooling unit connection
Figure 5-8
Item Symbol Description
0
1
Welding torch cooling unit
2
Quick connect coupling (red)
coolant return
3
Quick connect coupling (blue)
coolant supply
4
5-pole connection socket
Cooling unit voltage supply
5
8-pole connection socket
Cooling unit control lead
• Lock connecting nipples of the cooling water tubes into the corresponding quick connect couplings:
Return line red to quick connect coupling, red (coolant return) and
supply line blue to quick connect coupling, blue (coolant supply).
• Insert and lock the 5-pole supply plug on the cooling unit into the 5-pole connection socket on the
welding machine.
• Insert and lock the 8-pole control lead plug on the cooling unit into the 8-pole connection socket on the
welding machine.
