Ingersoll-Rand Xe-145M, Pocket Manual

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Recommended Checks

For machines in low ambient conditions, offer the
customer the Low Ambient Kit. Search in Passport
for low ambient kits or contact Parts ID.

Ensure 2ATT is reading more than 35°F. Check for
loose/broken sensor.

For machines with low ambient kits ensure the heat
trace option is connected and the thermostat is set
no less than 50°F.

For more info, see Tech Note 7998.
High Inter Stage Pressure
Xe Software Logic for R & RS 2 stage units:
This will occur if the compressor is running and the
inter stage pressure (2APT) is greater than 75 psi (5.17
Bar). This trip will only occur in 2-stage compressors.
Recommended Checks

Is 2APT reading 0 psi when the machine is not
running? Calibrate sensor/check connection.