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Alarm An audible alarm that sounds due to an excessive pressure drop or deletion of either gas supply. Manifold Outlet (Optional) manifold with 3 primary outlets. Rear Slide Mount with dove tail. iNSTALLATiON WARNiNg • • Read this User manual before installing or operating the Air-Oxygen Blender. Confirm the concentration of air/oxygen with an Oxygen Analyzer/monitor. 1. Secure the Air-Oxygen Blender to a wall or pole bracket in an upright position. 2. It is recommended to install a condensation trap in the air supply line. 3. Connect the air and oxygen supply lines to the appropriate inlet fittings on the bottom of the Blender. 4. Attach a flowmeter, or other metering device to one of the outlet ports. Primary Outlets Flow capacity: • High Flow Blender (Pm 5200 model) 15 lpm to 120 lpm • Low Flow Blender (Pm 5300 model) 3 lpm to 30 lpm Auxiliary Outlet: This will bleed off some of the air/oxygen mixture to maintain concentration accuracy at the Low Flow setting. • High Flow Blender (Pm 5200 model) 15 lpm or less • Low Flow Blender (Pm 5300 model) 3 lpm or less 5. Attach a supply line to the outlet port of the flowmeter. Blender Air-Oxygen 9 ALARM TEST 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. REVERSE gAS FLOW PROCEdURE (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 (2.075.17 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. OPERATiNg iNSTRUCTiONS CAUTiON 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. Blender Air-Oxygen 10 3. To activate the bleed, turn the knurled collar until the bleed pin is engaged. Then slide the collar back until it contacts the cover. 4. Confirm the concentration of air/oxygen with an Oxygen Analyzer/monitor. 5. Confirm the flow of air and/or oxygen mixture to the patient. 6. Turn “OFF” the Air and Oxygen supply when deactivating the Auxiliary bleed, and no device is attached to the outlet port. 7. To deactivate the bleed, pull the collar out away from the cover while rotating the collar until the slot engages the pin. Then slide the collar past the pin and turn an additional 1/4 turn to lock in place. NOTE: This Procedure is completed with ease when all gas supplies to the Blender are turned “OFF”. 8. Turn “OFF” the Air and Oxygen supply or disconnect when the Blender is not in use. 9. Operational Verification listed below should be done before the Blender is placed in service. Verification consists of: • Alarm Test • Verify FiO2 Concentration with a Oxygen Analyzer/monitor • Reverse Gas Flow Procedure PERFORMANCE CHECk A detailed description of the tests listed below can be found in the Blender Service manual (P/N 504827), available on the Internet; • Reverse Gas Flow Procedure • Operational Verification Procedure (OVP) CLEANiNg CAUTiON • dO NOT steam autoclave. • dO NOT immerse the Air-Oxygen Blender into any liquid. • dO NOT use any strong solvent or abrasive cleaners. • dO NOT gas sterilize with (ETO) Ethylene Trioxide. • dO NOT clean with aromatic hydrocarbons. Blender Air-Oxygen 11 1. Disconnect all gas connections and equipment before cleaning. 2. Clean exterior surfaces with a cloth dampened with mild detergent and water. 3. Wipe dry with a clean cloth. MAiNTENANCE The following maintenance on the Air-Oxygen Blender must be performed by a trained service technician: • Every month verify proper functioning of alarm. • Every year conduct the Operational Verification Procedure (OVP). • Every 2 years the Air-Oxygen Blender should be serviced. PM5200 (P/N 505407) PM5300 (P/N 504932) • RefertotheAir-OxygenBlenderServicemanual(P/N504827) for complete details regarding further maintenance and testi...

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