I have received a second hand Rio Grande VIC 12 2’nd hand vacuum
assist casting unit. Unfortunately the investment/casting switch (
P&B W33-S4B1Q-15) had been removed, It would be helpful to understand
the correct wiring setup for the replacement switch. The four wires
Main loom - white neutral phase, orange power phase,
From “Power switch” on front panel - white from left hand "Line"
switch terminal, black from right hand “Line” switch terminal.
A definition of the correct connection sequence to the “Line” and
"load" connections of the “Investment/Casting” switch would be