Describe how to remove a gauge manifold set from a system and put most of the trapped refrigerant back into the system
What will be an ideal response?
Leave the unit running and backseat only the discharge service valve. Crack open both manifold valves. This will allow the high-pressure gas in the discharge side of the manifold to pass into the low side of the refrigeration system. The pressure on the gauges will then be equal to the low side operating pressure. After the pressures in the gauge manifold has come down to the operating low-side pressure, backseat the suction service valve. The pressure trapped in the gauges can now be bled off through the middle hose.
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