Invacare Perfecto 2 Series Service Manual
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Invacare Perfecto 2 Series Service Manual

Homefill compatible, sensored/non-sensored
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Service Manual
™
Perfecto
2
Oxygen Concentrator
®
(HomeFill
Compatible)
Model IRC5PO2 (Sensored)
Model IRC5P (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.com

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Maxine Ruth Dupre
June 3, 2025

Where can I take Perfect2 for repair that is close to Fairborn OH

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Summary of Contents for Invacare Perfecto 2 Series

  • Page 1 Perfecto Oxygen Concentrator ® (HomeFill Compatible) Model IRC5PO2 (Sensored) Model IRC5P (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.com...
  • Page 2 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS SPECIAL NOTES ................6 FEATURES ..................7 TYPICAL PRODUCT PARAMETERS ............ 8 SECTION 1—IMPORTANT SAFEGUARDS .......... 10 Important Safeguards ..........................10 Radio Frequency Interference .......................11 To Reduce The Risk Of Burns, Electrocution, Fire Or Injury To Persons.........11 SECTION 2—INSTALLATION/SEQUENCE OF OPERATION ....
  • Page 4 TABLE OF CONTENTS TABLE OF CONTENTS SECTION 10—CHECK VALVES ............47 Replacing Check Valves...........................47 SECTION 11—REGULATOR .............. 49 Replacing Regulator..........................49 Adjusting Regulator..........................51 SECTION 12—HEAT EXCHANGER ASSEMBLY ........52 Replacing Heat Exchanger Assembly ....................52 SECTION 13—CONTROL PANEL ............54 Removing Control Panel.........................54 SECTION 14—COOLING FAN ............
  • Page 5 TABLE OF CONTENTS TABLE OF CONTENTS SECTION 23—LEAK TEST ..............77 Leak Test ..............................77 4 Way Valve Function Test ........................79 SECTION 24— ALARM TEST ............81 Alarm and Sensor Tests..........................81 Power Loss Alarm ..........................81 Low Pressure Test..........................81 Time-Out Test............................82 High Pressure Test ..........................82 Oxygen Sensor .............................83 P.E.

  • Page 6: Special Notes

    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...

  • Page 7: Features

    1100873, 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 Cord ™ Part No 1148070...

  • Page 8: Typical Product Parameters

    Perfecto 5 - 0.5 to 5 L/min For flowrates less than 1 L/min, we recommend the use of the Invacare Pediatric Flowmeter IRCPF16 Accessory. Potential Obstruction Alert: The concentrator detects a condition that may indicate a poten- tial obstruction of the output oxygen.
  • Page 9 TYPICAL PRODUCT PARAMETERS Regulatory Listing: Double Insulated Product ETL certified complying with UL 1097 ETL certified to CSA C22.2 No. 68. Electrical: No extension cords. Placement: No closer than twelve inches from any wall, furniture, draperies, or similar surfaces. Tubing: 7 ft cannula with a maximum 50 ft of Crush-Proof Tubing (DO NOT pinch).

  • Page 10: Section 1-Important Safeguards

    Fill humidifier with water to the level shown by the manufacturer. DO NOT overfill. Move oxygen concentrator at least 12 inches away from walls, draperies or furniture. Invacare recommends that Crush-Proof oxygen tubing be used with this product and not exceed 50 ft. (15.2m) in length. ™...

  • Page 11: Radio Frequency Interference

    SECTION 1—IMPORTANT SAFEGUARDS Radio Frequency Interference Most electronic equipment is influenced by Radio Frequency Interference (RFI). Caution should be exercised with regard to the use of portable communications equipment in the area around such equipment. To Reduce The Risk Of Burns, Electrocution, Fire Or Injury To Persons.

  • Page 12: Section 2-Installation/Sequence Of Operation

    SECTION 2—INSTALLATION/SEQUENCE OF OPERATION SECTION 2—INSTALLATION/ SEQUENCE OF OPERATION Verification of Battery Free Power Loss Alarm Check the Perfecto2 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.

  • Page 13: Senso Oxygen Sensor Technology - Ceramic Zirconia Sensor

    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 21 p.s.i. (144.79 kPa) output flows 4 L/min and above or 16 p.s.i. (110.32 kPa) output flows 3 L/min and below.
  • Page 14 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% ±...

  • Page 15: Section 3-Pneumatic Diagram

    SECTION 3—PNEUMATIC DIAGRAM SECTION 3—PNEUMATIC DIAGRAM Perfecto2 Oxygen Concentrator Ouput Output HEPA Filter Check Valve Flowmeter Patient Output Oxygen Sensor Pressure (SensO models Only) Regulator Pressure Sensor P.S.I. P.C. Board Product Tank Check Valves Air Inlet Cabinet Filter Compressor Inlet Filter Sieve Sieve P.E.

  • Page 16: Section 4-Troubleshooting

    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. ™ Perfecto Part No 1148070...
  • Page 17 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 59. RED: Off b. Loose or damaged connector. b. Repair or replace connector. GREEN: Off Unit plugged in, power switch, alarm off.
  • Page 18 SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION LOW PRESSURE: Compressor: Internal Status Indicators: a. Leaks at fittings or tubing a. Replace or repair. b. Leaking or defective relief valve. b. Repair leak or replace. RED: One Flash c. Insufficient voltage at outlet. c.
  • Page 19 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 59. Internal Status Indicators: RED: Two Flashes GREEN: Four Flashes Or RED: Two Flashes GREEN: Five Flashes Low Concentration: NOTE: Cabinet filters dirty.
  • Page 20 SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION Low Concentration P.C. board: Check pressure at product tank. Pressure (Continued) a. Shifts at wrong pressures. should rise to 21 p.s.i. at shift point. If not, replace P.C. Board. Refer to Replacing P.C. Board on page 59. Flowmeter: a.
  • Page 21 SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION Unit Overheats: Base exhaust vent plugged or Place unit at least 12 inches from any restricted. wall. DO NOT place unit on pile or shag carpeting that may restrict air flow. Cabinet filters dirty or blocked. Clean or replace.
  • Page 22 SECTION 4—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTION Unit Operating, Internal repairs required. Replace SensO circuit board. Refer to Internal Status Indicators: Replacing P.C. Board on page 59. RED: Three Flashes GREEN: One Flash Control Panel Indicators: RED: Off YELLOW: Flashing GREEN: On Potential Obstruction Alert System leak.

  • Page 23: Section 5-Cabinet

    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.

  • Page 24: Section 6-Preventive Maintenance

    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.

  • Page 25: Replacing The Outlet Hepa Filter

    SECTION 6—PREVENTIVE MAINTENANCE 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.

  • Page 26: Replacing The Compressor Inlet Hepa Filter

    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 27. NOTE: Perform this procedure during preventive maintenance or between patients depending upon the environment the concentrator is used in.

  • Page 27: Replacing The Muffler Assembly

    SECTION 6—PREVENTIVE MAINTENANCE Compressor Inlet HEPA Filter Center Tab Filter Access Panel Rubber Base FIGURE 6.3 Replacing the Compressor Inlet HEPA Filter Replacing the Muffler Assembly NOTE: For this procedure, refer to FIGURE 6.4 on page 28 and FIGURE 6.5 on page 29. NOTE: Perform this procedure as needed depending upon the environment the concentrator is used in.
  • Page 28 SECTION 6—PREVENTIVE MAINTENANCE Top of Manifold Exhaust Tube Tie-Wrap Rubber Grommet Bottom of Manifold “F” Tube Exhaust Tube FIGURE 6.4 Replacing the Muffler Assembly 6. Push the muffler assembly down through the opening in the sound box. 7. Cut the two tie wraps around the muffler assembly. 8.
  • Page 29 SECTION 6—PREVENTIVE MAINTENANCE 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 Canister 8” Tie-Wrap FIGURE 6.5 Replacing the Muffler Assembly ™...

  • Page 30: Cleaning The Heat Exchanger

    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. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 23. CAUTION Use care not to deform heat exchanger when installing, removing or cleaning.
  • Page 31 SECTION 6—PREVENTIVE MAINTENANCE MODEL NO. IR C SERIAL NO. FIGURE 6.7 Preventive Maintenance Record ™ Part No 1148070 Perfecto...

  • Page 32: Section 7-Compressor

    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 33 and FIGURE 7.2 on page 34. 1. Unplug unit. 2.
  • Page 33 SECTION 7—COMPRESSOR DETAIL “A” DETAIL “B” Tie-Wrap Brass Nut Capacitor Compressor Capacitor Wires Compressor attach here Intake Hose DETAIL “C” DETAIL “D” Mounting Screws Mounting Screws Grommets Vinyl Tube Clamp Manifold Assembly FIGURE 7.1 Replacing Compressor Assembly ™ Part No 1148070 Perfecto...

  • Page 34: Replacing Capacitor

    SECTION 7—COMPRESSOR Replacing Capacitor NOTE: For this procedure, refer to FIGURE 7.2 on page 34. 1. Unplug the unit. 2. Remove the cabinet. Refer to Removing Cabinet on page 23. 3. Using needlenose pliers, disconnect the spade connectors from the capacitor terminals.

  • Page 35: Rebuilding The Thomas Model 2660 Compressor

    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 numbers for this kit are 2660CE32, 2660CE37, and 2660CE50.

  • Page 36: Removing Compressor And Compressor Heads

    SECTION 7—COMPRESSOR CAUTION DO NOT lubricate or use oil on any moving parts. The compressor eccentric uses a precision sealed bearing. Therefore, additional lubrication is not necessary. Removing Compressor and Compressor Heads Compressor 1. Unplug concentrator and carefully remove compressor from concentrator. Refer to Replacing Compressor Assembly on page 32.
  • Page 37 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.
  • Page 38 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.

  • Page 39: Rebuilding The Compressor

    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 38. 1. Install new gasket; seating the gasket firmly in the groove at the top of the valve plate with your finger or blunt object.
  • Page 40 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.
  • Page 41 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.
  • Page 42 SECTION 7—COMPRESSOR 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. Valve Flapper - Intake & Exhaust 4. Piston Cup Retainer 13. Valve Plate 5.

  • Page 43: Section 8-P.e. Valve

    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 44. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 23. 3.
  • Page 44 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 1148070...

  • Page 45: Section 9-Sieve Beds

    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 46. NOTE: ALWAYS replace sieve beds in pairs to ensure that both beds are in optimum condition. 1.
  • Page 46 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. FIGURE 9.1 Replacing Sieve Beds ™...

  • Page 47: Section 10-Check Valves

    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 48. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 23. NOTE: Replace one or both check valves when performing this procedure.
  • Page 48 SECTION 10—CHECK VALVES 9. Run units and check for leaks. Refer to Leak Test on page 77. 10. Reinstall cabinet. Refer to Removing Cabinet on page 23. Location of Product Tank Upper ¼ PVC Inlet Tubing (Connect to barb on sieve bed) Check Valves Regulator Outlet Tubing Check Valves...

  • Page 49: Section 11-Regulator

    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 50. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 23. 3.
  • Page 50 SECTION 11—REGULATOR Pressure Regulator Adjustment Screw (5/32-inch Allen Wrench) Mounting Screws O-Rings Pressure Product Sensor Tubing Tank Location of Product Tank NOTE: For adjusting the regulator there is no need to remove the control panel. NOTE: Regulator shown was used before 07/01/12 for sensored concentrators and before 09/01/12 for non-sensored concentrators.

  • Page 51: Adjusting Regulator

    SECTION 11—REGULATOR Adjusting Regulator NOTE: For this procedure, refer to FIGURE 11.1 on page 50. 1. Turn unit on ( ). 2. Install pressure gauge onto oxygen outlet. NOTE: Use a 0 - 30 p.s.i. pressure gauge. NOTE: Check O pressure at oxygen outlet.

  • Page 52: Section 12-Heat Exchanger Assembly

    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 53. NOTE: The heat exchanger assembly contains three components: heat exchanger, nine inch vinyl tube and connecting component.
  • Page 53 SECTION 12—HEAT EXCHANGER ASSEMBLY DETAIL “A” Heat Exchanger Assembly Sound Brass Nut Compressor DETAIL “B” Vinyl Tube Manifold Assembly Clamp Sound Box FIGURE 12.1 Replacing Heat Exchanger Assembly ™ Part No 1148070 Perfecto...

  • Page 54: Section 13-Control Panel

    SECTION 13—CONTROL PANEL SECTION 13—CONTROL PANEL Removing Control Panel DANGER To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet before servicing. NOTE: For this procedure, refer to FIGURE 13.1 on page 55. Tools Required: • Diagonal cutters • Flathead screwdriver •...
  • Page 55 SECTION 13—CONTROL PANEL 15. Run unit and check for leaks at pressure sensor tubing on product tank cap. Refer to Leak Test on page 77 16. Reinstall cabinet. Refer to Removing Cabinet on page 23. DETAIL “B” DETAIL “A” Mounting Screws Control Wrap (STEP 5)

  • Page 56: Section 14-Cooling Fan

    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 58. 1. Unplug unit. 2. Remove cabinet. Refer to Cabinet on page 23. 3.
  • Page 57 21. Plug unit in and check for leaks. Refer to Leak Test on page 77. 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 23.
  • Page 58 SECTION 14—COOLING FAN DETAIL “B” DETAIL “A” Rubber Cooling Fan Grommet Mounting Screws Mounting Screw Fan Terminals Intake Soundbox (Spade Connectors Hose Resonator attach here) Housing Compressor DETAIL “D” Assembly Cooling NOTE: Sieve Beds are not shown for clarity. DETAIL “C” Cooling Soundbox Rubber...

  • Page 59: Section 15-P.c. Board

    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.
  • Page 60 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.
  • Page 61 SECTION 15—P.C. BOARD Control Panel Wiring Harnesses Connect Here Oxygen Sensor Tubing (IRC5PO2 only) P.C. Board Mounting Screw Mounting Screw Pressure Sensor Tubing FIGURE 15.1 Replacing P.C. Board ™ Part No 1148070 Perfecto...

  • Page 62: Section 16-Transformer

    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 62. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 23. 3.

  • Page 63: Section 17-On/Off Switch

    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 63. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 23. 3.

  • Page 64: Section 18-Flowmeter

    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 64. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 23. 3.

  • Page 65: Section 19-Hour Meter

    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 23. 3.

  • Page 66: 4-Way Valve/Manifold Assembly

    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 68.
  • Page 67 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 10 ± 2 inch-lbs using the torque sequence. 17.
  • Page 68 SECTION 20—4-WAY VALVE/MANIFOLD ASSEMBLY Wrap Manifold Vinyl Tube Exhaust “F” Tube Tube Clamp Tie Wrap Clamp Wrap 4 Way Valve/ Manifold Assembly Vinyl Tube DETAIL “B” DETAIL “A” 4-Way Valve/ Manifold Manifold Assembly Assembly 4-Way Valve NOTE: The Numbers above indicate the MOUNTING SCREW TORQUE SEQUENCE: Mounting...

  • Page 69: Replacing Pilot Valve Poppets And O-Rings

    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 71. 1. Unplug unit. 2. Remove cabinet. Refer to Cabinet on page 23. 3.
  • Page 70 19. Plug power cord in and turn concentrator ON (I) to ensure proper operation. 20. Reinstall cabinet. Refer to Removing Cabinet on page 23. 21. If any difficulties are encountered in this installation, contact Invacare Technical Service at (800) 832-4707.
  • Page 71 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...

  • Page 72: Section 21-Purity Indicators

    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 73. Operation The Perfecto2 with SensO Concentrator is equipped with an oxygen purity indicator. This feature monitors the purity level of the oxygen generated by the concentrator.
  • Page 73 SECTION 21—PURITY INDICATORS Model IRC5P02 Model IRC5P Auto Shut Down Below Normal Normal FIGURE 21.1 Display Control Panel ™ Part No 1148070 Perfecto...

  • Page 74: Section 22-Timing

    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.
  • Page 75 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.

  • Page 76: Manual Tuning

    SECTION 22—TIMING Manual Tuning 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 23. 3. Plug unit in but DO NOT turn on ( ) until instructed to below. 4.

  • Page 77: Section 23-Leak Test

    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 78. 1. Unplug unit. 2. Remove cabinet. Refer to Removing Cabinet on page 23. 3.
  • Page 78 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/...

  • Page 79: Way Valve Function Test

    SECTION 23—LEAK TEST 4 Way Valve Function Test NOTE: For this procedure, refer to FIGURE 23.1 on page 78. The 4-way valve used in the Perfecto2 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.
  • Page 80 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 0-30 psi 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).

  • Page 81: Section 24- Alarm Test

    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.

  • Page 82: Time-Out Test

    3. The Time-Out Failure alarm should activate within 40 seconds. Refer to SensO Alarm Threshold on page 84 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...

  • Page 83: Oxygen Sensor

    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 84. Alarm sequence occurs when concentration levels fall below a preset value, typically 73% ±...
  • Page 84 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.

  • Page 85: P.e. Valve Coil Test

    P.E. valve coil. The P.E. valve coil alarm should activate within 10 seconds. 2. Reinstall cabinet. Refer to Removing Cabinet on page 23. NOTE: If any alarm fails to perform to specification, contact Invacare Technical Service. NOTE: If problems arise during test, contact Invacare Technical Service for further assistance.

  • Page 86: Section 25- Sieve Bed Pressure Check

    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.
  • Page 87 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.

  • Page 88: Limited Warranty

    LIMITED WARRANTY For warranty information, please refer to the original owner's manual which came with this product, or contact Invacare for more information. www.invacare.com Invacare Corporation Canada © 2014 Invacare Corporation. All rights One Invacare Way 570 Matheson Blvd E Unit 8 reserved.

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