FAQ SOLO2 DC POWER
Contents
1. INVACARE Yes you can FAQ SOLO2 Concentrator on DC Power PLEASE READ PRIOR TO PRODUCT USE Q1 At which settings can the SOLO2 concentrator run when using external DC power A In most vehicles All pulse settings 1 5 and Continuous flow settings up to 2 LPM INVACARE recommends that the operation of SOLO2 be checked in vehicles planned to utilize the product prior to purchase Vehicle modification may be necessary where vehicle electronics not designed to supply the SOLO2 s power requirements Consult your motor vehicle dealer or auto electrician for further advice Q2 So on external DC Power the SOLO2 will not run at continuous flow settings higher than 2 LPM A Correct the SOLO2 system as it is currently configured can never be run higher than 2 LPM when running on external DC power Even if it has been set a higher flow rate on AC or battery power the unit will automatically drop to 2 LPM when external DC power input is sensed Q3 Why the continuous flow restriction on DC Power A In short because of the limited DC power source in an automobile i e car battery alternator and charging systems a limit has been put in place to protect both the concentrator and or the vehicle from overloads To generate more than 2 LPM of oxygen flow the SOLO2 compressor will typically demand more power than the automobile accessory outlet fuses can allow Without restricting the flow to 2 LPM the accessory outlet fuse2. would likely open and discontinue power to the accessory outlet until the fuse is replaced In some cases the failure of certain accessory fuses could cause the car to shutdown Q4 In the answer to question 1 it was stated that in most vehicles the SOLO2 can be used up to 2 LPM on DC power What does this mean A 2 LPM is upper limit of continuous flow range on the SOLO2 concentrator using external DC power However if a vehicle has shortcomings or restrictions in the supply of power it can provide the SOLO2 concentrator may not run at 2 LPM in this vehicle Q5 Can more information be provided on this point A An auto battery system is limited in terms of how much power it can provide The total power available is dependant upon the strength and age of the battery and the performance of the alternator and battery charging systems Also certain vehicles now restrict the amount of power that can be drawn through DC accessory outlets if the outlet restricts the amount of power available to the SOLO2 concentrator the unit may not be able to run at 2 LPM The power available could require the continuous flow setting be reduced to 1 5 or 1 0 liters Q6 How would one determine if an automobile has difficulty powering the SOLO2 when running on continuous flow A Run the SOLO2 at 1 5 LPM or 1 0 LPM if the unit runs without issue no warning or error message at these lower settings but the unit alarms when running at 2 0 LPM chan
3. ces are good that the automobile has some type of power limitation accessory outlet limit battery degradation that will keep the SOLO2 concentrator from running without issue at 2 0 LPM Q7 Isn t there a list of autos that have power port restrictions or other issues that could limit the ability of the SOLO2 concentrator to run on continuous flow that could be developed A Unfortunately with the multitude of manufacturers models and varying specifications in the different vehicles in use around the world it is impossible to develop a comprehensive list of vehicles where power restrictions could limit the continuous flow capability of the SOLO2 concentrator Also as stated above in some vehicles where the unit might run on 2 LPM when a car is new the SOLO2 might not run at 2 LPM if the car battery is worn down or the alternator and charging systems are not at optimal levels etc These possibilities make the development of a list of vehicles that can run the SOLO2 at 2 LPM without issue impractical Q8 Is there any tip that can be offered to providers that might help to alleviate this problem A One action could help to correct the problem have the user remove the battery pack when using the SOLO2 on external DC power Vehicle battery power being diverted to charging the concentrator battery could instead provide additional power for running the concentrator itself and possibly boost the achievable flow rate up to the 2 LPM maximum Anoth
4. er suggestion would be to review their automobile Owner s Manual and accessory outlets to see if there are some with higher power ratings compared to others PLEASE NOTE Always remember to properly restrain the SOLO2 before using in a moving vehicle INV DOC 1604 Page 1 of 2 Revision 0 INVACARE Yes you can Display indicators in response to Low DC Power being detected by the SOLO2 software Further details are available in the User Manual provided LCD DISPLAY INDICATORS f WARNING Triple audible beep every 10 sec EXT PWR LOW YELLOW indicator Flashing A See Manual DESCRIPTION SOLUTIONS I Make sure that car boat or motor External DC Power is lower than optimal pe home etc is running Excessive current draw could be present 2 Make sure DC Power Cable is firmly Warning will continue every 3 minutes as connected at both ends long as condition exists 3 Switch to external AC or battery power ACKNOWLEDGEMENT REQUIRED Press Return Highlight button Display will either show additional warnings alarms or revert to normal operating screens LCD DISPLAY INDICATORS A ALARM Continuous audible beep every half second 02 EXT PWR TOO LOW Find New Power RED indicator is On n GREEN indicator is Off DESCRIPTION SOLUTIONS Make sure that car boat or motor home etc is running External DC Power is too low to allow 2 Make sure DC Power Cable is firmly continued operat
5. ion connected at both ends Excessive current draw present 3 Switch to external AC or battery power 4 Change to another source of oxygen if no other power source is available ACKNOWLEDGEMENT REQUIRED Press and hold the On Off button to power down the unit and restart Manufacturer Distributor Invacare Corporation Invacare Australia Invacare New Zealand USA 1 Lenton Place 4 Westfield Place One Invacare Way North Rocks NSW 2151 Mt Wellington Auckland Elyria Ohio USA Freephone 1800 460 460 Freephone 0800 468 222 www invacare com Fax 1800 814 367 Freefax 0800 807 788 1 440 362 125 Email sales invacare com au Email sales invacare co nz 1 440 329 6000 Web www invacare com au Web www invacare co nz 1 800 333 6900 INV DOC 1604 Page 2 of 2 Revision 0
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