pump down

[-1994]

how do you pump down a system cooler ect.

[bama 101]

need more info what are we working on

[-1994]

how is a pump down performed on a walk in cooler or any thing that has a receiver.

[bama 101]

first install gauges then front seat liquid line or king valve ,then watch suction pressure until it drops till zero . this sometimes requires bypassing the low press. switch but after it reaches zero you might want to front seat the suction service valve