Ingersoll-Rand Xe-145M, Pocket Manual

Page: 84 / 116

83

Check temperature probe with a cup of ice.

Ensure metering device is not damaged.

Check refrigerant charge.

Calculate superheat and subcooling.
Change HE Filter
Xe Software Logic for R & RS machines:
The HE filter is located between the aftercooler
discharge and the inlet to the dryer and is only on
compressors with an integrated dryer. The drop across
the HE filter is measured by subtracting the package
discharge pressure from the aftercooler discharge
pressure. If the compressor is running, the measured
drop across the HE filter is at or above 10 psi (0.7 bar),
the compressor is hot (injected coolant temp above
120 °F), and the package discharge pressure (4APT) is
above 90 psi (6.21 Bar), this warning can occur. The
condition must exist for at least 3 seconds before the
warning will occur. This is not a dryer fault. If this
happens, the warning will be displayed, but the dryer
will continue to run.