Doc. No. 003259 En Issue: X-1 BREAS MEDICAL 4–5
PV 101+/PV 102+ Service Manual CALIBRATION INSTRUCTIONS
4.6 Calibrating the high pressure limit
1 Start the PV 101+/PV 102+ by pressing the I/O button.
2 Connect a pressure gauge to the patient air inlet and arrange a leakage with a
4 mm flow restrictor nipple (see figure).
3 Remove the casing (see section 3.2). Disconnect the CPU board from the MDA
board.
4 Connect the manual fan control unit to the X202 connector on the MDA board.
5 Use the fan control unit to start the PV 101+/PV 102+ blower at full speed.
6 Adjust the screw on the P205 potentiometer on the MDA board until the pressure
measured on the pressure gauge is 40 mbar (±1 mbar).
7 Remove the equipment and reassemble the casing.
Pressure gauge
4 mm leakage
Patient circuit
Plug
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