When the bleed flow is activated, some of the heliox mixture will vent to atmosphere to maintain FIO2 concentration accuracy at the low flow settings. •High Flow Blender (PM 5500 Model) 15 lpm or less • Low Flow Blender (PM 5400 Model) 3 lpm or less 4. Attach a supply line to the outlet port of the flowmeter. ALARM TEST 1. Connect the HELIO2 Blender to respective heliox and oxygen sources, pressurize the Blender and turn “ON” the flowmeter. 2. Set Oxygen Concentration Dial to 50% FIO2. 3. Discon

300 Held Drive Tel: (+001) 610-262-6090 Northampton, PA 18067 USA Fax: (+001) 610-262-6080 CONTENTS RECEIVING / INSPECTION................................................................1 INTENDED USE..................................................................................1 READ ALL INSTRUCTIONS BEFORE USING ...................................1 ExPLANATION OF ABBREVIATIONS ................................................2 SAFETY INFORMATION - WARNINGS AND CAUTIONS..................2 SPE