Kemppi Protig 501L - Manual (Page 16)

16 – PROMIG 501, PROMIG 511/0537 © KEMPPI OY
P21 R21 P22 R22 P23 S22
S21 S24 S25 S26 R23 S22
2.11. MAIN SWITCH I/O
When you turn the main switch of the PRO power source into I-position, pilot lamp close to it is lighted
and the equipment is ready for welding. The equipment is returned to that welding method with which
the welding was last carried out before the main switch was turned to zero position.
Always start and switch off the machine with the main switch, never use the
mains plug as a switch.
2.12. OPERATION OF COOLING UNIT
(PROCOOL 10, PROCOOL 30)
Operation of cooling unit is controlled in such a way that pump is started when welding is
started. After welding stop pump is rotating for approx. 5 min cooling the liquid to ambient
temperature.
Read in operation instructions for the PROCOOL 10 / 30 unit the trouble situations of the liquid
circulation system and protection against torch etc. damage.
3. CONTROL PANELS OPERATIONS
3.1. MC CONTROL PANEL 6263501
MIG basic operations
Welding method selection (S21): MIG two-sequence procedure, MIG four-sequence
procedure, MMA
Control mode selection (S22): local, remote, gun
Local controls: wire feed speed/MMA current (R21), welding voltage (R22)
Controls for MIG and MMA welding dynamics (R23)
Digital displays: wire feed speed (P21), current (P22), voltage (P23)
Retrieval of last used welding values (S23)