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AirSep visionaire Service Manual

Manual is about: oxygen concentrator

Summary of visionaire

  • Page 1

    Mn138-1 rev j oxygen concentrator service manual for visionaire, visionaire 2 & visionaire 3 models.

  • Page 2

    Ii mn138-1 rev j ____________________________________________________________________________________ expedited product warranty check service is available at 800-482-2473.

  • Page 3: Table Of Contents

    Iii mn138-1 rev j table of contents section 1.0 introduction 1.1 equipment provider responsibility 1 1.2 important notice and symbol explanations 2 1.3 functional specifications 5 section 2.0 operation check and oxygen concentration test 2.1 description of operation 6 2.2 operation check 6 2.3 alarm...

  • Page 4

    Iv mn138-1 rev j 4.3.2 capacitor replacement 12 4.4 solenoid valves 12 4.4.1 valve manifold replacement 12 4.4.2 solenoid valve coil replacement 14 4.5 sieve beds 14 4.5.1 sieve bed replacement 14 4.6 cabinet fan 15 4.6.1 cabinet fan replacement 15 4.7 circuit board 16 4.7.1 circuit board replacemen...

  • Page 5: Section 5.0

    V mn138-1 rev j section 5.0 troubleshooting 5.1 operation pressure test 26 5.1.1 high operating pressure 26 5.1.2 low operating pressure 26 5.2 general troubleshooting 27 5.3 troubleshooting chart 28 5.4 tool kit and pressure test gauge 31.

  • Page 6: 1.0 Introduction

    1 mn138-1 rev j 1.0 introduction 1.1 equipment provider responsibility all equipment providers of the visionaire™ oxygen concentrator must assume responsibilities for handling, operational check-out, patient instruction, and oxygen concentration checks. These responsibilities are outlined below and ...

  • Page 7

    2 mn138-1 rev j 1.2 important notice and symbol explanations as you read the manual, pay special attention to the warning, caution, and note messages. They identify safety guidelines or other important information as follows: describes a hazard or unsafe practice that can result in severe bodily inj...

  • Page 8

    3 mn138-1 rev j symbol description symbol description consult the accompanying documents keep unit and accessories dry use no oil or grease proper disposal of waste of electrical and electronic equipment required oxygen outlet connection to the cannula do not expose to open flames caution: federal l...

  • Page 9

    4 mn138-1 rev j classification type of protection against electric shock: class ii protection from electric shock is achieved by double insulation. Protective earthing or reliance upon installation conditions is not required. Degree of protection against electric shock: type bf equipment providing a...

  • Page 10

    5 mn138-1 rev j 1.3 functional specifications oxygen concentration: 1-5 liters per minute at 90% +5.5/-3% 1-3 liters per minute at 90% +5.5/-3% (visionaire 3) ⅛ -2 liters per minute at 90% +5.5/-3% (visionaire 2) (based on 70°f [21°c] at sea level) accuracy: ± 10% of indicated flow setting, or ± 200...

  • Page 11: 2.2  Operation Check

    6 mn138-1 rev j 2.0 operational check and oxygen concentration test 2.1 description of operation air is drawn into the visionaire oxygen concentrator. For overall, sound efficiency, before air enters the compressor, it passes through the unit’s intake muffler. Pressurized air then exits the compress...

  • Page 12: 2.4

    7 mn138-1 rev j visionaire intermittent alarm indicators condition no power low o2 low pressure high pressure high temperature no flow audible alarm one beep two beeps three beeps four beeps five beeps six beeps if the high pressure alarm is activated, the compressor and valves will shut down, and t...

  • Page 13: 3.0  General Instructions

    8 mn138-1 rev j 3.0 general instructions 3.1 instructions it is important that patients thoroughly understand how to operate the airsep visionaire unit. This enables proper treatment as prescribed by a qualified, licensed health care provider/physician. If patients experience any discomfort or the u...

  • Page 14

    9 mn138-1 rev j do not use liquid directly on the unit. Clean the exterior of unit and power cord only with a mild household cleaner applied with a damp cloth or sponge, and then wipe all surfaces dry. 3.2 patient, provider, and routine maintenance airsep does not require any preventative or routine...

  • Page 15: 4.0  Main Components

    10 mn138-1 rev j 4.0 main components 4.1 components the design of the visionaire oxygen concentrator allows for easy access and removal of most components. This allows you to perform repair and replacement of parts with minimal time and effort. To prevent accidental electric shock or burn, be sure t...

  • Page 16

    11 mn138-1 rev j sound level the condition of the compressor’s cup seals, bearings, and other components can result in an increased sound level. If the compressor’s cup seals or bearings wear to the point that they become noisy, the concentrator may become noticeably louder, therefore compressor ser...

  • Page 17: 4.4  Solenoid Valves

    12 mn138-1 rev j 4.3.2 capacitor replacement the capacitor starts the compressor. If the compressor cannot start, the capacitor may be defective and require replacement. To replace the capacitor, follow the steps below: 1. Set the unit’s i/ 0 switch to the “0” position and unplug the power cord. 2. ...

  • Page 18

    13 mn138-1 rev j attached to coils for easier installation. ( please refer to the valve wire harness drawings wh105-1 located on page c in the appendix section of this manual as needed) care must be taken when removing and installing valve coil retainer clips. 10. Using 1/8-inch allen wrench, remove...

  • Page 19: 4.5  Sieve Beds

    14 mn138-1 rev j a. Care must be taken not to pinch any wires or tubing between the compressor enclosure and center section before final installation. B. The wire harness for both the left feed valve and the equalization valve, along with the wire harness for the right feed valve, must be routed out...

  • Page 20: 4.6  Cabinet Fan

    15 mn138-1 rev j leaks can be so small in air loss that oxygen concentration is not affected immediately. The sieve material can become contaminated gradually. Careful leak testing is important as the sieve material can become contaminated gradually with very small leaks. If replacement is necessary...

  • Page 21: 4.7  Circuit Board

    16 mn138-1 rev j 5. Disconnect the wire connectors labeled ac power and powersw from circuit board. (if equipped with an o2 oxygen monitor, also disconnect wire connectors labeled o2 led and sensor). 6. With adjusting compressor enclosure (alternating pulling out top and bottom), gently remove the c...

  • Page 22

    17 mn138-1 rev j the printed circuit boards (pcbs) contain components that are sensitive to electrostatic discharge (esd) and can damage the board if not handled properly. As when handling any esd-sensitive pcb, observe standard esd safety procedures. 4.7.1 circuit board replacement circuit board re...

  • Page 23

    18 mn138-1 rev j 6. Leak test fitting connections of sieve beds. 4.8 product regulator check and setting the product regulator enables you to set the maximum flow of oxygen output by the visionaire unit. To check for proper adjustment of the regulator, take the following steps: 1. Set the i /0 power...

  • Page 24

    19 mn138-1 rev j when the lockout adjustment is no longer required, follow the normal regulator setting procedure as described in section 4.8.1. 4.8.3 back pressure correction at maximum flow rate in some cases, additional lengths of oxygen tubing with a humidifier bottle can increase back pressure ...

  • Page 25: 4.10   I/

    20 mn138-1 rev j 8. With the spring behind the seat, screw the diaphragm stem guide back into the body of the regulator. (do not over tighten.) 9. Install a clean or replacement diaphragm. 10. Put the large spring and slip ring into the bonnet, and screw the bonnet onto the regulator body. 11. Reset...

  • Page 26

    21 mn138-1 rev j 4.11 hour meter replacement for p/n: hm009-2 only: hm009-2 is a dual timer hour meter. To toggle between the two display screens - press the pinhole reset switch once to display “tmr1” mode. To reset the timer display – confirm that “tmr1” is displayed in the upper left corner. Pres...

  • Page 27

    22 mn138-1 rev j flowmeter installation 1. To install a new flow meter, follow the flow meter removal procedure in reverse order. Leak test the tubing connections. 2. Assure flow meter reads ½ liter above the maximum flow rate when fully opened. (refer to section 4.8 product regulator check and sett...

  • Page 28

    23 mn138-1 rev j 4.14 oxygen monitor circuit board replacement (in equipped units) oxygen monitor circuit board removal to remove the circuit board, follow the steps below: care must be taken when removing and installing tubing to circuit board sensor to prevent damaging sensor. 1. Set the unit’s i ...

  • Page 29: 4.17  Caster Replacement

    24 mn138-1 rev j to replace the exhaust muffler, follow the steps below: 1. Follow steps 1-7 in the compressor assembly removal procedure outlined under section 4.3.1. 2. Locate exhaust muffler assembly in back of compressor enclosure, cut tie-wrap securing it in place. 3. Remove tie-wrap from tubin...

  • Page 30

    25 mn138-1 rev j 5. Gently position the entire concentrator on its back and separate the base from the center section. (power cord is still attached to base.) 6. From the underside of base, secure caster nut (located just above the wheel of caster) using a 1/2-inch combination wrench. 7. While secur...

  • Page 31: 5.0

    26 mn138-1 rev j 5.0 troubleshooting 5.1 operating pressure test testing the operating pressure is a useful diagnostic tool when a concentrator has low oxygen concentration and requires servicing. Units functioning normally do not require operating tests. Use the following procedure to test the oper...

  • Page 32

    27 mn138-1 rev j check compressor intake path for obstruction. Clean/remove obstruction and verify normal operating pressure returns. An improperly operating circuit board or solenoid valve. Confirm that the circuit board and solenoid valve function properly. A leak in the unit, which allows system ...

  • Page 33: 5.3 Troubleshooting Chart

    28 mn138-1 rev j 5.3 troubleshooting chart problem probable cause solution unit does not run. I/0 power switch in “i” position. No power to unit. Unit circuit breaker tripped/faulty faulty electrical connections. Faulty circuit board. Faulty i/0 power switch. Check wall outlet for power. Reset or re...

  • Page 34: Problem

    29 mn138-1 rev j problem probable cause solution compressor relief valve activates (popping sound) faulty electrical connection at waste valve. Faulty solenoid valve coil. (acceptable rating: 713-837 ohms) contaminated sieve beds. Faulty circuit board. Faulty relief valve. Repair electrical connecti...

  • Page 35: Problem

    30 mn138-1 rev j problem probable cause solution low oxygen concentration. Ambient or unit’s temperature is too high. Leak. Reduced air intake (suction) restriction in exhaust muffler contaminated sieve beds weak compressor. Faulty circuit board. Faulty solenoid valve unit operating above temperatur...

  • Page 36

    31 mn138-1 rev j 5.4 tool kit and pressure test gauge the tools needed for you to properly service the visionaire unit are listed below: multi-adjustable pliers, small wire cutters, small needle-nose pliers, slotted-head screwdriver, phillips- head screwdriver, adjustable wrench, 1/2-inch combinatio...

  • Page 37

    Mn138-1 rev j caire inc. 2200 airport industrial dr., ste 500 ball ground, ga 30107 www.Chartindustries.Com/respiratoryhealthcare caire reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications and/or, processes to its products ...