Perfecto Oxygen Concentrator ® (HomeFill Compatible) Model IRC5PO2AW (Sensored) Model IRC5PAW (Non-Sensored) DEALER: Keep this manual. The procedures in this manual MUST be performed by a qualified technician. For more information regarding Invacare products, parts, and services, please visit www.invacare.eu.com...
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WARNING Invacare products are specifically designed and manufactured for use in conjunction with Invacare accessories. Accessories designed by other manufacturers have not been tested by Invacare and are not recommended for use with Invacare products. PERFECTO PARTS COMPATIBILITY The Platinum concentrator and the Perfecto concentrator share many similar components.
TABLE OF CONTENTS TABLE OF CONTENTS SPECIAL NOTES ................5 FEATURES ..................6 TYPICAL PRODUCT PARAMETERS ............ 7 SECTION 1—IMPORTANT SAFEGUARDS ..........9 Important Safeguards ..........................9 Radio Frequency Interference .......................10 SECTION 2—INSTALLATION/SEQUENCE OF OPERATION ....11 Verification of Battery Free Power Loss Alarm ................11 Sequence of Operation ...........................11 SensO Oxygen Sensor Technology - Ceramic Zirconia Sensor ..........12...
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TABLE OF CONTENTS TABLE OF CONTENTS SECTION 13—CONTROL PANEL ............52 Removing Control Panel.........................52 SECTION 14—COOLING FAN ............54 Replacing Cooling Fan ..........................54 SECTION 15—P.C. BOARD .............. 57 Replacing P.C. Board..........................57 SECTION 16—TRANSFORMER ............60 Replacing the Transformer........................60 SECTION 17—ON/OFF SWITCH ............61 Replacing On/Off Switch.........................61 SECTION 18—FLOWMETER ..............
SPECIAL NOTES SPECIAL NOTES Signal words are used in this manual and apply to hazards or unsafe practices which could result in personal injury or property damage. Refer to the table below for definitions of the signal words. SIGNAL WORD MEANING Danger indicates an imminently hazardous situation which, DANGER...
Southern, 1145806 - Scandinavian, for connection and operating instructions. When not in use, the plug provided with the concentrator should be inserted into the outlet fitting. For more information about the HomeFill, contact your Invacare dealer. Outlet Fitting* Power Inlet Perfecto ™...
Flow Range: 0.5 to 5 L/min For flowrates less than 1 L/min, we recommend the use of the Invacare Pediatric Flowmeter IRCPF16AW Accessory Potential Obstruction Alert: The concentrator detects a condition that may indicate a poten- tial obstruction of the output oxygen.
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TYPICAL PRODUCT PARAMETERS Electrical: No extension cords Placement: No closer than 30,5 cm (12 inches) from any wall, furniture, drap- eries, or similar surfaces Tubing: 2.1 m (7 ft) cannula with a maximum 15.2 m (50 ft) of Crush-Proof Tubing (DO NOT pinch) Relative Humidity: 20 to 60% Time of Operation:...
NOT use any lubricants unless recommended by Invacare. Operating Information For optimum performance, Invacare recommends that each concentrator be on and running for a minimum of 30 minutes at a time. Shorter periods of operation may reduce maximum product life.
SECTION 1—IMPORTANT SAFEGUARDS Radio Frequency Interference This equipment has been tested and found to comply with EMC limits specified by IEC/ EN 60601-1-2. These limits are designed to provide a reasonable protection against electromagnetic interference in a typical medical installation. Other devices may experience interference from even the low levels of electromagnetic emissions permitted by the above standards.
SECTION 2—INSTALLATION/SEQUENCE OF OPERATION SECTION 2—INSTALLATION/ SEQUENCE OF OPERATION Verification of Battery Free Power Loss Alarm Check the Perfecto concentrator for proper operating conditions. 1. If the unit has been in below-freezing temperatures, allow it to warm up to room temperature before operating.
SECTION 2—INSTALLATION/SEQUENCE OF OPERATION The electrical activation of the 4-way Valve is accomplished every 8 to 15 seconds by the pressure sensor and P.C. Board electronics when the pressure reaches a set point of 144.79 kPa (21 p.s.i.) output flows 4 L/min and above or 110.32 kPa (16 p.s.i.) output flows 3 L/ min and below.
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SECTION 2—INSTALLATION/SEQUENCE OF OPERATION After five minutes, if the oxygen purity exceeds 85% ± 2%, the GREEN light will continue to illuminate. If the oxygen level is not above 85% ± 2% after the first five minutes, the system will continue to monitor the O and wait for a maximum of 30 minutes from start-up to reach 85% ±...
If the breaker does not trip, run unit for approximately two hours. The circuit breaker should be less than 10 ohms. If breaker trips again, there is an internal problem. Contact Invacare Technical Service. Part No 1154245 Perfecto ™...
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SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION Power Loss: P.C. board. (Continued) a. P.C. board damaged. a. Replace P.C. Board. Refer to Internal Status Indicators: Replacing P.C. Board on page 57. RED: Off b. Loose or damaged connector. b. Repair or replace connector. GREEN: Off Unit plugged in, power switch, alarm off.
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SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION LOW PRESSURE: Compressor inlet filter dirty or Replace compressor inlet filter. Refer to Internal Status Indicators: plugged. Replacing the Compressor Inlet HEPA RED: One Flash Filter on page 25. GREEN: One Flash Compressor: a. Leaks at fittings or tubing a.
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SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION Unit not operating: Alarm: P.C. board Failure. Replace P.C. board.Refer to Replacing P.C. On or Off Board on page 57. Internal Status Indicators: RED: Two Flashes GREEN: Four Flashes Or RED: Two Flashes GREEN: Five Flashes Low Concentration: NOTE: Cabinet filters dirty.
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SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION Low Concentration Flowmeter: (Continued) a. Flowmeter opened beyond a. Return flow to maximum setting. maximum flow rate. b. Cracked or broken fitting. b. Replace fitting. c. Input tubing leaking or loose. c. Repair or replace. Refer to Replacing Flowmeter on page 62.
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SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION Unit Overheats: Base exhaust vent plugged or Place unit at least 30,5 cm (12-inches) restricted. from any wall. DO NOT place unit on pile or shag carpeting that may restrict air flow. Cabinet filters dirty or blocked. Clean or replace.
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SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION Unit Not Operating, Transformer assembly: Internal Status Indicators: a. Assembly connector a. Reattach connector. RED: Off disconnected. GREEN: Off b. Faulty transformer assembly. b. Replace transformer assembly. Refer Control Panel Indicators: to Replacing the Transformer on RED: Off page 60.
SECTION 5—CABINET SECTION 5—CABINET Removing Cabinet DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 5.1. 1. Unplug unit. 2. Remove the four mounting screws that secure cabinet assembly to the base assembly. 3.
To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. WARNING The Invacare concentrators are specifically designed to minimize routine preventive maintenance. Only qualified personnel should perform preventive maintenance on the concentrator. NOTE: At a minimum, preventive maintenance MUST be performed according to the maintenance record guidelines.
SECTION 6—PREVENTIVE MAINTENANCE Filter FIGURE 6.1 Cleaning the Cabinet Filter Replacing the Outlet HEPA Filter Check the Outlet HEPA Filter NOTE: The outlet HEPA filter can be checked during preventive maintenance or between patients by performing the following procedure. 1. Turn the concentrator on and adjust the flowmeter to the maximum flow of the unit. 2.
SECTION 6—PREVENTIVE MAINTENANCE Tubing Outlet HEPA Filter Tubing FIGURE 6.2 Replace the Outlet HEPA Filter Replacing the Compressor Inlet HEPA Filter NOTE: For this procedure, refer to FIGURE 6.3 on page 25. NOTE: Perform this procedure as needed depending upon the environment the concentrator is used in.
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SECTION 6—PREVENTIVE MAINTENANCE NOTE: Perform this procedure as needed depending upon the environment the concentrator is used in. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3. Cut tie wrap that secures the bottom of the manifold exhaust tube to the “F” tube. 4.
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SECTION 6—PREVENTIVE MAINTENANCE 12. Reinstall cabinet. Refer to Removing Cabinet on page 22. Top of Manifold Exhaust Tube Sound Box Rubber Grommet Tie Wraps Throttling Muffler Exhaust Canister DETAIL “A” Muffler Body 8” Tie-Wrap Throttling Muffler Exhaust Muffler Assembly Muffler Grommet Grommet Exhaust...
SECTION 6—PREVENTIVE MAINTENANCE Cleaning the Heat Exchanger DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 6.6 on page 28. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. CAUTION Use care not to deform heat exchanger when installing, removing or cleaning.
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SECTION 6—PREVENTIVE MAINTENANCE MODEL NO. IR C SERIAL NO. FIGURE 6.7 Preventive Maintenance Record Part No 1154245 Perfecto ™...
SECTION 7—COMPRESSOR SECTION 7—COMPRESSOR DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. Replacing Compressor Assembly NOTE: For this procedure, refer to FIGURE 7.1 on page 31 and FIGURE 7.2 on page 32. 1. Unplug unit. 2.
SECTION 7—COMPRESSOR Replacing Capacitor NOTE: For this procedure, refer to FIGURE 7.2. 1. Unplug the unit. 2. Remove the cabinet. Refer to Removing Cabinet on page 22. 3. Using needlenose pliers, disconnect the spade connectors from the capacitor terminals. 4. Cut the tie wrap that secures the capacitor to the base of the concentrator. 5.
SECTION 7—COMPRESSOR Rebuilding the Thomas Model 2660 Compressor DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: This kit is designed for rebuilding the Thomas Model 2660 Series compressor. The model number is located on the front of the compressor. Compressor number for this kit is 2660CHI39- 111.
SECTION 7—COMPRESSOR Removing Compressor and Compressor Heads Compressor 1. Unplug concentrator and carefully remove compressor from concentrator. Refer to Replacing Compressor Assembly on page 30. Compressor Head Plate NOTE: For this procedure, refer to FIGURE 7.3. 1. Clean loose dirt from the outside of the Head Screws compressor.
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SECTION 7—COMPRESSOR NOTE: For this procedure, refer to FIGURE 7.4. 1. Using two flat blade screwdrivers, pry the fan off of the motor shaft under the center housing. DO NOT pry under the fan blades. NOTE: Note position/orientation of fan for reassembly. Connecting Rod and Eccentric Assembly NOTE: For this procedure, refer to FIGURE 7.4.
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SECTION 7—COMPRESSOR O-ring, Intake Valve Keeper and Valve Keeper Strip NOTE: For this procedure, refer to FIGURE 7.5. 1. Remove the O-ring, intake valve Valve Flapper flapper and valve keeper strip from the Screw bottom of the valve plate. Discard all. 2.
SECTION 7—COMPRESSOR Rebuilding the Compressor NOTE: Before reassembly, wipe any residue from all components with a clean soft cloth. Gasket NOTE: For this procedure, refer to FIGURE 7.6 on page 36. 1. Install new gasket; seating the gasket firmly in the groove at the top of the valve plate with your finger or blunt object.
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SECTION 7—COMPRESSOR CAUTION DO NOT lubricate or use oil on any moving parts. The compressor eccentric uses a precision sealed bearing. DO NOT crimp the piston cup when you replace the sleeve. If the cup is crimped, it MUST be replaced. 3.
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SECTION 7—COMPRESSOR Compressor WARNING To avoid personal injury or property damage, rotate the fan by hand prior to connecting the unit to a power source. Check for suction at the air inlet by placing your finger over the port as you rotate the fan. You should feel a slight suction with each rotation of the fan.
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SECTION 7—COMPRESSOR NOTE: Compressor is shown assembled. Compressor parts are shown exploded along direction of arrows. COMPRESSOR PARTS LEGEND 1. Connecting Rod, Eccentric & Bearing Assembly 10. Valve Restraint 2. Piston Cup 11. Valve Keeper Strip 3. Screw - Piston Cup Retainer 12.
SECTION 8—P.E. VALVE SECTION 8—P.E. VALVE Replacing P.E. Valve DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 8.1 on page 42. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3.
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SECTION 8—P.E. VALVE P.E. Valve Tie-Wrap P.E. Valve Tie-Wrap Tubing Assembly P.E. Valve Tubing “Out” Port Barb Sieve Bed P.E. Valve Terminals (Spade Connectors Attach Here are not shown) FIGURE 8.1 Replacing P.E. Valve Perfecto ™ Part No 1154245...
SECTION 9—SIEVE BEDS SECTION 9—SIEVE BEDS Replacing Sieve Beds DANGER To prevent electrical shock, AWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 9.1 on page 44. NOTE: ALWAYS replace sieve beds in pairs to ensure that both beds are in optimum condition. 1.
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SECTION 9—SIEVE BEDS P.E. Valve Check Valve Tubing Assembly Tie-Wraps Check Valve Tubing Tie-Wraps Tie-Wrap P.E. Valve Tubing P.E. Valve Tubing Tie Wraps Tie-Wrap Clamp Sieve Bed Reinforced Tubing attaches HERE (not shown) NOTE: Compressor Inlet HEPA Filter removed from illustration for clarity.
SECTION 10—CHECK VALVES SECTION 10—CHECK VALVES Replacing Check Valves DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 10.1 on page 46. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. NOTE: Replace one or both check valves when performing this procedure.
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SECTION 10—CHECK VALVES 9. Reinstall compressor inlet HEPA filter. Refer to Replacing the Compressor Inlet HEPA Filter on page 25. 10. Run units and check for leaks. Refer to Leak Test on page 75. 11. Reinstall cabinet. Refer to Removing Cabinet on page 22. Location of Product Tank Upper ¼...
SECTION 11—REGULATOR SECTION 11—REGULATOR Replacing Regulator DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 11.1 on page 48. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3.
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SECTION 11—REGULATOR DETAIL “A” - REGULATORS AFTER Pressure Pressure 07/01/12 (SENSORED) AND 09/01/12 Regulator (Top) Adjustment Screw (NON-SENSORED) (5/32-inch Allen Pressure Wrench) Regulator Mounting Pressure Screws Sensor Tubing Product Tank NOTE: For adjusting the regulator there is no need to remove the control panel.
SECTION 11—REGULATOR Adjusting Regulator NOTE: For this procedure, refer to FIGURE 11.1. 1. Turn unit on ( ). 2. Install pressure gauge onto oxygen outlet. NOTE: Use a 0 - 3.4 N-M (30 p.s.i.) pressure gauge. NOTE: Check O pressure at oxygen outlet. It should read a steady 34.5 ± 3.45 kPa (5 ± 0.5 p.s.i.). If pressure is not in specification, proceed to STEP 3.
SECTION 12—HEAT EXCHANGER ASSEMBLY SECTION 12—HEAT EXCHANGER ASSEMBLY Replacing Heat Exchanger Assembly DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 12.1 on page 51. NOTE: The heat exchanger assembly contains three components: heat exchanger, nine inch vinyl tube and connecting component.
SECTION 13—CONTROL PANEL SECTION 13—CONTROL PANEL Removing Control Panel DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. Before handling any P.C. boards, you need to be properly grounded to prevent static damage to the components of the board. A Static Cuff MUST be worn and properly grounded using an alligator clip.
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SECTION 13—CONTROL PANEL 11. Remove the On/Off switch. Refer to Replacing On/Off Switch on page 61 12. Remove the circuit breaker by twisting the locknut on the outside of the control panel. 13. Discard existing control panel. 14. Install new control panel by reversing STEPS 3-12. 15.
SECTION 14—COOLING FAN SECTION 14—COOLING FAN Replacing Cooling Fan DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 14.1 on page 56. 1. Unplug unit. 2. Remove cabinet. Refer to Cabinet on page 22. 3.
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21. Plug unit in and check for leaks. Refer to Leak Test on page 75. 22. Run unit for at least 30 minutes. If unit runs properly, replace cover. If not, call Invacare Technical Service. 23. Reinstall cabinet. Refer to Cabinet on page 22.
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SECTION 14—COOLING FAN DETAIL “B” DETAIL “A” Rubber Back View Side View Cooling Fan Grommet Mounting Screws Intake Hose Compressor Assembly Mounting Screw Fan Terminals Soundbox (Spade Connectors attach here) Resonator Housing DETAIL “D” Cooling NOTE: Sieve Beds are not shown for clarity. DETAIL “C”...
SECTION 15—P.C. BOARD SECTION 15—P.C. BOARD Replacing P.C. Board DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. CAUTION Follow these pre-cautions to prevent damage to the P.C. boards: Before handling any P.C. boards, you need to be properly grounded to prevent static damage to the components of the board.
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SECTION 15—P.C. BOARD 7. Secure new P.C. board in place with existing mounting screws. Be sure all tie-wraps removed from tubing connections are replaced. 8. Do the following: A. Connect wiring harnesses to P.C. board. B. Connect pressure sensor tubing to product tank. C.
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SECTION 15—P.C. BOARD Control Panel Wiring Harnesses Connect Here Oxygen Sensor Tubing (IRC5PO2AW only) P.C. Board Mounting Screw Mounting Screw Pressure Sensor Tubing FIGURE 15.1 Replacing P.C. Board Part No 1154245 Perfecto ™...
SECTION 16—TRANSFORMER SECTION 16—TRANSFORMER Replacing the Transformer DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 16.1 on page 60. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3.
SECTION 17—ON/OFF SWITCH SECTION 17—ON/OFF SWITCH Replacing On/Off Switch DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 17.1 on page 61. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3.
SECTION 18—FLOWMETER SECTION 18—FLOWMETER Replacing Flowmeter DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 18.1 on page 62. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3.
SECTION 19—HOUR METER SECTION 19—HOUR METER Replacing Hour Meter DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 19.1. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3.
SECTION 20—4-WAY VALVE/MANIFOLD ASSEMBLY SECTION 20— 4-WAY VALVE/ MANIFOLD ASSEMBLY DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. CAUTION This is a maintenance free valve. Opening the valve will void any and all warranties applicable to the valve. Replacing 4-Way Valve and/or Manifold Assembly NOTE: For this procedure, refer to FIGURE 20.1 on page 66.
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SECTION 20—4-WAY VALVE/MANIFOLD ASSEMBLY CAUTION Torque sequence and specification MUST be adhered to or possible damage to the 4-way valve could result. 15. Tighten mounting screws in the sequence described below (Detail “B”). 16. Pre-torque the mounting screws to 1.1 N-M ± 0.2 N-M (10 inch-lbs ± 2 inch-lbs) using the torque sequence.
SECTION 20—4-WAY VALVE/MANIFOLD ASSEMBLY Replacing Pilot Valve Poppets and O-Rings DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 20.2 on page 69. 1. Unplug unit. 2. Remove cabinet. Refer to Cabinet on page 22. 3.
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19. Plug power cord in and turn concentrator ON (I) to ensure proper operation. 20. Reinstall cabinet. Refer to Removing Cabinet on page 22. 21. If any difficulties are encountered in this installation, contact Invacare Technical Service at (800) 832-4707.
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SECTION 20—4-WAY VALVE/MANIFOLD ASSEMBLY Manifold DETAIL “A” Opening O-Ring Air Flow Passage Exploded View Assembled View NOTE: DO NOT disassemble. Spade Connectors attach here Locknut (Leave Wire Connectors Intact) Coil Valve Pilot Valve Stem Slotted Pilot Valve Poppet Yoke Stem Tapered Valve Label...
SECTION 21—PURITY INDICATORS SECTION 21—PURITY INDICATORS SensO Alarm Indicators DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 21.1 on page 71. Operation The Perfecto with SensO Concentrator is equipped with an oxygen purity indicator. This feature monitors the purity level of the oxygen generated by the concentrator.
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SECTION 21—PURITY INDICATORS Model IRC5PO2AW Model IRC5PAW Auto Shut Down Below Normal Normal FIGURE 21.1 Display Control Panel Part No 1154245 Perfecto ™...
SECTION 22—TIMING SECTION 22—TIMING DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. Use extreme care when making adjustments to the timing switch. DO NOT allow screwdriver or your hands to contact the P.C. Board when unit is plugged in and/or on. Turn unit off and unplug before adjusting timing switch.
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SECTION 22—TIMING 10. Turn the unit off and then back on. The timing value is stored in memory for future use. 11. If the unit is turned off before an autotune cycle is completed, the P.E. valve timing will not be stored or updated. If the board is new, autotuning MUST be successfully completed before the unit can be placed into service.
SECTION 22—TIMING Manual Tuning (Model IRC5PAW Only) NOTE: For this procedure, refer to FIGURE 22.2. 1. Turn power off ( ) and unplug the unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3. Plug unit in but DO NOT turn on ( ) until instructed to below. 4.
SECTION 23—LEAK TEST SECTION 23—LEAK TEST DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. Leak Test NOTE: For this procedure, refer to FIGURE 23.1 on page 76. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 22. 3.
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SECTION 23—LEAK TEST DETAIL “A” P.E. Valve Hose P.E. Valve Hose Connections (STEP 6D) Connections (STEP 6D) Hose Connections Hose Connections to to Top Fittings Top Fittings of Sieve of Sieve Beds Beds (STEP 6C) (STEP 6C) Sieve Bed Hose fitting on Sieve Bed Center Port of 4- way Valve/...
SECTION 23—LEAK TEST 4 Way Valve Function Test NOTE: For this procedure, refer to FIGURE 23.1 on page 76. The 4-way valve used in the Perfecto Series Concentrators does have an acceptable ® tolerance of leakage per RexRoth By nature of the valve design it is possible for the valve to experience small leaks, and still operate without affecting the overall performance of the unit.
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SECTION 23—LEAK TEST Check each end cap for cracks and for major leaks. You should NOT use leak detector on the valve. 4 - Way Valve Use a 0-206.84 kPa (0-30 p.s.i.) pressure gauge to monitor system pressure swings, and also record the amount of time it takes to achieve a shift (full charge and full purge).
SECTION 24—ALARM TEST SECTION 24— ALARM TEST Alarm and Sensor Tests DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. Check alarms periodically for proper function. Power Loss Alarm With the unit running, remove the line cord from power source. The power loss alarm mode should sound the audible alarm IMMEDIATELY or within 30 seconds.
3. The Time-Out Failure alarm should activate within 40 seconds. Refer to SensO2 Alarm Threshold on page 82 for shutdown mode. 4. Replace tubing and tie wrap. NOTE: If any alarm fails to perform to specification, contact Invacare Technical Service. Relief Valve (Pull Out Stem to Simulate Leak) Compressor FIGURE 24.1 Low Pressure Test - Time-Out Test...
SECTION 24—ALARM TEST Location of In-Line Connector In-Line Connector FIGURE 24.2 High Pressure Test Oxygen Sensor NOTE: For this procedure, refer to FIGURE 24.3 on page 82. Alarm sequence occurs when concentration levels fall below a preset value, typically 73% ±...
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SECTION 24—ALARM TEST 4. Slowly adjust flow beyond maximum rated flow until you can achieve a concentration level greater than 75% but less than 84%. Within 30 minutes, the YELLOW panel indicator light will illuminate and the unit will continue to run. 5.
FIGURE 24.4 P.E. Valve Coil Test NOTE: If problems arise during test, contact Invacare Technical Service for further assistance. Use the chart in Preventive Maintenance on page 23 to record date and number of hours when preventive maintenance was performed on the concentrator or any repairs made.
SECTION 25—SIEVE BED PRESSURE CHECK SECTION 25— SIEVE BED PRESSURE CHECK Checking Sieve Bed Pressure DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. Disassembly NOTE: For this procedure, refer to FIGURE 25.1. 1. Turn power off ( ) and unplug unit. 2.
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SECTION 25—SIEVE BED PRESSURE CHECK 4. Check each connection to make sure it is tight. 5. Turn the concentrator On ( ). NOTE: Adjust the concentrator to MAXIMUM rated liter flow to 5 L/min. NOTE: Wait approximately five minutes to allow system pressures to achieve proper equilibrium before testing.
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Republication, duplication or modification in whole or in part is prohibited without prior written permission from Invacare. Trademarks are identified by ™ and ®. All trademarks are owned by or licensed to Invacare Corporation or its subsidiaries unless otherwise noted. EU Representative...
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