60
50
40
30
21
70
80
90
100
%O
2
Instructions for Use
E N G L I S H
Max
Blend
™
L O W F L O W / H I G H F L O W
R229M01 REV. H
Page 1: ...60 50 40 30 21 70 80 90 100 O2 Instructions for Use E N G L I S H MaxBlend 2 L O W F L O W H I G H F L O W R229M01 REV H ...
Page 2: ...uency energy If not installed and used in accordance with the instructions in this manual electromagnetic interference may result The equipment has been tested and found to comply with the limits set forth in IEC 60601 1 2 for medical products These limits provide reasonable protection against electromagnetic interference when operated in the intended use environments described in this manual MRI ...
Page 3: ...xBlend 2 with clean dry medical grade gases Contaminants or moisture can cause defective operation Oxygen should have a minimum dewpoint of 80 F 62 C or moisture content less than 7 9 PPM 0 0059mg L Oxygen purity should be at least 99 0 and the air used should be medical grade Water vapor content must not exceed a dew point of 5 F 15 C below the lowest ambient temperature to which the delivery sys...
Page 4: ...al Power Supply Operation 9 2 8 Calibration Procedures 9 2 8 1 Calibration to 100 Oxygen 9 2 8 2 Calibration to Room Air 9 2 9 Flowmeter Operation 9 3 0 PERFORMANCE CHECK 9 3 1 Blender Safety Check 10 4 0 TROUBLESHOOTING 10 5 0 CLEANING AND DISINFECTING 11 6 0 SERVICE AND MAINTENANCE 11 6 1 Maintenance 11 6 2 Replacing O2 Sensor 11 6 3 Monitor Alarm Testing 11 7 0 ABBREVIATION GUIDE 12 8 0 SPECIFI...
Page 5: ...c to oxygen the current generated is proportional to the amount of oxygen present in the sample gas When no oxygen is present there is no electrochemical reaction andtherefore negligiblecurrentisproduced Inthissense thesensorisself zeroing CAUTION The MAX 550E oxygen sensor is a sealed device containing a mild acid electro lyte and lead Pb These materials are hazardous waste constituents and shoul...
Page 6: ... is used to help set the High Low Alarm win dow quickly See section 2 3 3 for instructions on using the Smart Alarm setting y DOWN LOW ALARM KEY The down key is used in setting the low FiO2 alarm limit The device must be in the unlocked state for the key to operate See section 2 3 1 for instructions on setting the low FiO2 alarm limit u BACKLIGHTKEY Thebacklightkeywillmanuallyactivatethebacklightf...
Page 7: ...ES 2 1 Setup and Installation 2 1 1 Battery Installation AllMaxBlend2unitsarepoweredbyfour AA alkalinebatteries 4x1 5Volts andareshipped without the batteries installed Only name brand batteries should be used Batteries should be replaced by trained service personnel To install the batteries Open the battery drawer by squeezing inward on both tabs as shown in the figure below If you have difficult...
Page 8: ...indicate two dashes This special condition turns off or deactivates the high alarm 5 When the high alarm value is set press the Unlock again to accept the high alarm setting and return to normal operation NOTE The default high alarm setting is 50 O2 Removing the batteries will reset the high alarm limit to 50 2 3 3 Smart Alarm Mode 1 Press the Unlock Key to unlock the keypad Note the LOW SMART ALA...
Page 9: ...s for the reading to stabilize 4 Press the Unlock key to unlock the keypad Note the LOW SMART ALARM CAL and HIGH icons will begin to flash indicating the SET OPERATING MODE 5 Press the CAL Calibration key on the keypad The word CAL will appear on the display for approximately 5 seconds and then finish with 100 0 6 The unit is now calibrated and in the normal operating mode 2 8 2 Calibration to Roo...
Page 10: ...ed alarm cap damaged or defective Contact Maxtec for repair PROBLEM Selected oxygen concentration accurate only when gas pressures are equal POTENTIAL CAUSES AND SOLUTIONS MaxBlend 2 balance module not functioning properly Contact Maxtec for repair PROBLEM Blank display POTENTIAL CAUSES AND SOLUTIONS Batteries not installed Install batteries Refer to section 2 1 1 Battery Installation Battery comp...
Page 11: ... the device and its accessories Be sure to closely inspect and remove contamination from seams and recesses on the device that may trap contaminants Wipe with clean paper towel to remove debris and bioburden 3 After all visible contamination is removed use a second germicidal wipe to thoroughly wet the surfaces of the device and accessories Allow to remain wet for 4 minutes Use additional wipes if...
Page 12: ... High Oxygen Alarm Range 16 100 1 higher than low alarm according to IEC 60601 1 8 Audible Alarms in Medical Equipment 8 3 O2 Sensor Specifications Total accuracy 3 actual oxygen level over full operating temperature range Oxygen Measurement Accuracy 1 oxygen Linearity 1 at constant temperature and pressure Error Over Operating Temp Range 3 oxygen maximum Response Time to 90 of Final Reading 77 F ...
Page 13: ...everse gas flow from either the air or the oxygen supply systems Thetwogasesthenpassthroughatwo stagebalanceregulator Thepurposeofthisregulator is to equalize the operating pressures of the air and oxygen gas sources Once these pres sures have been balanced the gases are proportioned according to the oxygen concentration selected on the oxygen concentration selection knob The oxygen concentration ...
Page 14: ...High Flow Blender 0 5 10 15 20 25 0 5 10 15 20 25 30 35 Pressure drop PSIG Flow Rate LPM 75 psig 50 psig 30 psig For Low Flow Blender 13 0 ELECTROMAGNETIC COMPATABILITY The information contained in this section such as separation distances is in general specifi cally written with regard to the MaxBlend 2 The numbers provided will not guarantee fault less operation but should provide reasonable ass...
Page 15: ...er manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propogation is affected by absorption and reflection from structures objects and people This equipment is intended for use in the electromagnetic environment specified below The customer or the user of this equipment sho...
Page 16: ...2305 South 1070 West Salt Lake City Utah 84119 800 748 5355 www maxtec com ...
