Precision Trading PM5200 Manuale Utente

10

1. The Air-Oxygen Blender is installed and the flowmeter is turned 

on. Disconnect or turn off the air supply line to the Air-Oxygen 

Blender.

2. The Blender should alarm with a loud whistle noise. The whistle 

indicates the alarm is operating correctly.

3. Reconnect and activate the air supply line to the Blender, the 

alarm should stop whistling.

4. Disconnect or turn off the oxygen supply line to the Blender.

5. The Blender should alarm with a loud whistle noise. The whistle 

indicates the alarm is operating correctly.

6. Reconnect and activate the oxygen supply line to the 

Blender, the alarm should stop whistling.

7. If alarm fails to function properly, DO NOT USE.

(

CE Requirements ONLY)

1. Disconnect the oxygen hose from the gas source. Remove all 

outlet connections from the Blender to ensure that there is no 

outlet flow.

2. Place the free end of the oxygen supply hose under water. While 

gradually increasing the air supply pressure from 30-75 psi (2.07-

5.17 bar) check for leakage past the oxygen inlet check valve.

3. Replace the Duckbill Check Valve in the oxygen inlet if 

bubbles indicate leakage. Reference Air-Oxygen Blender 

Service manual (P/N 504827.)

4. Repeat steps 1-3 to check for leakage past the air inlet check 

valve.

Inspect the Air-Oxygen Blender for visual damage before 
use, DO NOT USE if damaged.

1. Turn “ON” the Air and Oxygen supply.
2. Adjust the Oxygen Concentration Dial to the prescribed 

concentration.

NOTE: The Oxygen Concentration Dial does not rotate 

360°.

 dO NOT force dial less than 21% or over 100% 

oxygen, this will damage the Blender.