Parker Porter Matrix MDM Quick Start Manual

®
Matrx MDM
1. Pre-Check
Note: To perform these tests, gas supply cylinders or gas supply shutoff valves are required in order to isolate the
gas supply form the device. Attempting to perform these tests with central pipeline supplied gas without a
local shut off mechanism is not recommended.
WARNING: Proper inspection and maintenance of this device is essential to prevent gas leaks. All
hoses, fittings, and connections should be inspected regularly, and all leaks should be repaired
immediately.
WARNING: If precheck test cannot be executed successfully, do not use this device and contact
distributor.
Failsafe Test
1 Open N O and O
2 2
2 Set Mixture Dial to 50%.
3 Set Flow Control Knob to 5 LPM.
4 Shut off O gas supply to MDM Flowmeter.
2
Confirm N O and O
2
5
the same rate.
If ball floats do not fall at the same rate, contact
6 your authorized distributor for service and
troubleshooting.
Total Flow Test
1 Adjust Mixture Dial to 50% O
2 Adjust Flow Control Knob until O
flowmeter tubes show approximately 5 LPM for each
gas.
Without adjustment of the Flow Control Knob,
3
adjust the Mixture Dial to lowest O
position, then to the 100% O
While adjusting the Mixture Dial to various O
4
positions, total combined flowrate must be 10 LPM
±0.5 LPM.
If total combined flowrate is not 10 LPM ±0.5 LPM,
5
contact your authorized distributor for service and
troubleshooting.
Non-Rebreathing Valve Test
1 Turn off flowmeter by pressing the On/Off Switch.
2 Connect a breathing circuit to the bag tee.
Disconnect the nasal hood from the rest of
Breathing Circuit.
3 Blow into the inhalation line of the breathing circuit,
the breathing bag should not inflate.
4 If breathing bag inflates, contact your authorized
distributor for service and troubleshooting.
FM-1528, Rev -
13JAN2025
Nitrous Oxide/Oxygen Sedation Flowmeter Quick Start Guide
gas supply
flowmeter ball floats fall at
2
position.
2
and N
2
percent
2
position.
2
100% O Test
2
1 Adjust Mixture Dial to 100% O
Flow Control Knob until 10 LPM is indicated on O
flowmeter tube.
Observe N O tube and ball float. The ball float may
2 2
show some indication of motion, but the top of the ball
float must remain below the 1 LPM mark on the tube.
If the N O ball float floats above 1 LPM, contact your
3 2
authorized distributor for service and troubleshooting.
O Flush Test
2
1 Press and hold O
O
2
2 Observe that the breathing bag quickly inflates.
3 If the breathing bag does not inflate quickly, contact
your authorized
troubleshooting.
2
Emergency Air Intake Valve Test:
1 Turn the flowmeter off by pressing the On/Off Switch.
2 Connect a breathing circuit to the bag tee. Disconnect
the nasal hood from the rest of breathing circuit.
3 Remove the breathing bag from the bag tee and
create a seal by placing hand over the bag port on the
bag tee.
4 Inhale through the breathing circuit. Air intake valve
should open allowing you to breath in room air.
5 If you can not breahting in room air, contact your
authorized distributor for service and troubleshooting.
Parker Hannifin Corporation
245 Township Line Road
Hatfield, PA 19440 USA
Office 215-723-4000
position, and rotate
2
Flush Button.
2
distributor for
Page 1 of 3
2
service and