On compressor sheets where the compressor discharges into the reservoir (list follows), the absolute discharge pressure is calculated as reservoir pressure+delta pressure+14.7. The reservoir pressure is already in absolute pressure, so I think the addition of the 14.7 term is erroneous.
On compressor sheets where the compressor discharges into the reservoir (list follows), the absolute discharge pressure is calculated as reservoir pressure+delta pressure+14.7. The reservoir pressure is already in absolute pressure, so I think the addition of the 14.7 term is erroneous.