20Ap2 Relay Board; 20Ap2:1 Power Supply; 20Ap2:2 Power Supply To The Cooling Unit - ESAB Aristo Mig 3001i Service Manual

20AP2 Relay board

The relay board handles hardware-connected inputs and outputs to/from control board
20AP2. In the event of a relay fault, the entire board must be replaced.
20AP2:1 Power supply
The relay board is supplied at +24 V from control circuit board 20AP1.
Power supply of the relay board for MIG power sources
Power supply of the relay board for TIG power sources
20AP2:2 Power supply to the cooling unit
The cooling water pump is controlled by the software in the welding data unit.
ca41_20_2 - 37 -
S0740 800 196/E101019/P76