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Left water in my humidifer
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diamaunt Offline

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Posts: 436
Joined: May 2012

Machine: S9 VPAP Auto 36006
Mask Type: Full face mask
Mask Make & Model: mirage quattro/pilairo q
Humidifier: none
CPAP Pressure: 9-20ish
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: texas

Post: #21
RE: Left water in my humidifer
(07-05-2014 08:58 PM)Sleepster Wrote:  
(07-05-2014 08:46 PM)macamon Wrote:  (I'll put in a request wit sleepster)

Hey, I got your PM, but I'm not the Admin, SuperSleeper is.

No worries, though. That manual is available by email request. Follow instructions here for sending an email request:

http://www.apneaboard.com/adjust-cpap-pr...tup-manual

Scroll down to SECTION THREE.

actually, the service manual isn't available by mail, it's linked out of the member files page that's down at the very very bottom of the page you linked.
07-05-2014 10:04 PM
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archangle Offline
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Advisory Members

Posts: 3,159
Joined: Feb 2012

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed S9 H5i
CPAP Pressure: 16-20
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments: Happy PAPper

Sex: Undisclosed
Location: USA

Post: #22
RE: Left water in my humidifer
(07-05-2014 10:02 PM)diamaunt Wrote:  the flow sensor is the rectangular block with the two posts near the top, one post on each side of the baffle that's in the airflow, and the pressure sensor is the chip on the bottom left with the clear gasket squidgy bit stuck to it.

I believe that part mates with a plastic tube air restriction (venturi?) device that sits in the airflow path inside the unit.

Get the free SleepyHead software here.
Useful links.
Click here for information on the main alternative to CPAP.
If it's midnight and a DME tells you it's dark outside, go and check it yourself.
07-05-2014 10:57 PM
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diamaunt Offline

Members-b

Posts: 436
Joined: May 2012

Machine: S9 VPAP Auto 36006
Mask Type: Full face mask
Mask Make & Model: mirage quattro/pilairo q
Humidifier: none
CPAP Pressure: 9-20ish
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: texas

Post: #23
RE: Left water in my humidifer
(07-05-2014 10:57 PM)archangle Wrote:  
(07-05-2014 10:02 PM)diamaunt Wrote:  the flow sensor is the rectangular block with the two posts near the top, one post on each side of the baffle that's in the airflow, and the pressure sensor is the chip on the bottom left with the clear gasket squidgy bit stuck to it.

I believe that part mates with a plastic tube air restriction (venturi?) device that sits in the airflow path inside the unit.

you sir, are correct. there's a grid inside the plastic tube that provides a restriction, and the differential pressure sensor pokes in on either side of that.
07-05-2014 11:20 PM
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Sleepster Offline
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Posts: 4,989
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #24
RE: Left water in my humidifer
So there's a venturi between the two pressure sensors? There would be a change in pressure due to that, and from the two pressure readings and the known diameters on both sides I can see how they might get the flow rate. Interesting.

It seems to me that a couple years ago or so I read something about CPAP machines using a low-inertia flow rate meter. Maybe Respironics does it that way.

Sleepster
Apnea Board Moderator
www.ApneaBoard.com


INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
07-06-2014 03:58 PM
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archangle Offline
Wiki Editor
Advisory Members

Posts: 3,159
Joined: Feb 2012

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed S9 H5i
CPAP Pressure: 16-20
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments: Happy PAPper

Sex: Undisclosed
Location: USA

Post: #25
RE: Left water in my humidifer
(07-06-2014 03:58 PM)Sleepster Wrote:  So there's a venturi between the two pressure sensors? There would be a change in pressure due to that, and from the two pressure readings and the known diameters on both sides I can see how they might get the flow rate. Interesting.

It seems to me that a couple years ago or so I read something about CPAP machines using a low-inertia flow rate meter. Maybe Respironics does it that way.

Diamaunt's description and pictures make it sound like an airflow restriction device, not a venturi, although I'm not sure the difference matters that much.

PRS1 machines use a "Thermal Anemometric Flow Sensor. " That probably is some sort of a hot wire anemometer device. It connects to the airflow path similarly to the S9. The S9 might be a dual port pressure sensor or it might be an airflow sensor.

Get the free SleepyHead software here.
Useful links.
Click here for information on the main alternative to CPAP.
If it's midnight and a DME tells you it's dark outside, go and check it yourself.
07-06-2014 04:37 PM
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diamaunt Offline

Members-b

Posts: 436
Joined: May 2012

Machine: S9 VPAP Auto 36006
Mask Type: Full face mask
Mask Make & Model: mirage quattro/pilairo q
Humidifier: none
CPAP Pressure: 9-20ish
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: texas

Post: #26
RE: Left water in my humidifer
(07-06-2014 03:58 PM)Sleepster Wrote:  So there's a venturi between the two pressure sensors? There would be a change in pressure due to that, and from the two pressure readings and the known diameters on both sides I can see how they might get the flow rate. Interesting.

It seems to me that a couple years ago or so I read something about CPAP machines using a low-inertia flow rate meter. Maybe Respironics does it that way.

suggest you google 'differential pressure flow meter'
07-06-2014 04:42 PM
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Homerec130 Offline

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Posts: 444
Joined: Mar 2012

Machine: Philips/Resperonics BiPAP auto SV Advanced System One (950P)
Mask Type: Full face mask
Mask Make & Model: ResMed Quatro FX
Humidifier: Philips Respironics System 1
CPAP Pressure: 6-16
CPAP Software: SleepyHead

Other Comments: But it is a dry heat.

Sex: Male
Location: Tucson, AZ

Post: #27
RE: Left water in my humidifer
A little late to the party, but one option to remove moisture is rice. Put the unit an rice in a large sealable bag and let it sit for a couple of days. This is one method used to dry out cel phones. If it is an odor (and not from mildew) trying putting the unit in a sealable bag and include a one to two cups of unused coffee grounds (the cheaper the better). The coffee will absorb the odor (works quite well for cigarette smoke).
07-06-2014 06:08 PM
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macamon Offline

Members

Posts: 7
Joined: Jul 2013

Machine: Resmed S9
Mask Type: Nasal pillows
Mask Make & Model: Resmed Swift LT
Humidifier: H5i
CPAP Pressure: 9.7/16.8
CPAP Software: ResScan

Other Comments:

Sex: Male
Location: City of the Angels

Post: #28
RE: Left water in my humidifer
I'M HIJACKING MY THREAD BACK!!!
My gosh you guys have hijacked this so bad Tongue

Anyway, regarding my backup BIPAP,
RESMED VPAPIII (NOT S9)

I have taken Vsheline's recommendation and downloaded the service manual from the user file area. I have disassembled the unit, taken out the motor from the volute and went crazy with Lysol and 91% isopropyl. Diamaunt's recommendation of turning off the auto off option has been priceless. End result... the unit is back together, running, and smelling a lot better.
Since the methods I've used may not be good for someone with a sensitive respiratory system I have left out the details of what I've done.
Thanks
Your feedback has been very valuable in navigating my way through this problem.
07-06-2014 06:10 PM
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archangle Offline
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Advisory Members

Posts: 3,159
Joined: Feb 2012

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed S9 H5i
CPAP Pressure: 16-20
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments: Happy PAPper

Sex: Undisclosed
Location: USA

Post: #29
RE: Left water in my humidifer
(07-06-2014 06:08 PM)Homerec130 Wrote:  A little late to the party, but one option to remove moisture is rice. Put the unit an rice in a large sealable bag and let it sit for a couple of days. This is one method used to dry out cel phones. If it is an odor (and not from mildew) trying putting the unit in a sealable bag and include a one to two cups of unused coffee grounds (the cheaper the better). The coffee will absorb the odor (works quite well for cigarette smoke).

I've heard varying reports on whether the rice idea really works. There are a lot of reports of success, but maybe the device is just drying out the same as it would have without rice.

I took some dry rice, carefully weighed it with a sensitive scale and let it sit out for a while. It never gained even 1% in weight.

There was a joke about someone using cooked rice instead of dry rice.....

You can buy sealed containers of desiccant at Home Depot and similar places. It might be a good idea to buy some and keep it on hand for emergencies.

Get the free SleepyHead software here.
Useful links.
Click here for information on the main alternative to CPAP.
If it's midnight and a DME tells you it's dark outside, go and check it yourself.
07-06-2014 08:01 PM
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Sleepster Offline
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Moderators

Posts: 4,989
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #30
RE: Left water in my humidifer
(07-06-2014 08:01 PM)archangle Wrote:  You can buy sealed containers of desiccant at Home Depot and similar places.

They are far more effective than rice.

When I lived in this humid climate without air conditioning (something I could never do now) we noticed that putting rice in the salt shaker kept the salt from clogging.

I would bet that if I weighed a cup of dry rice that's been in my air conditioned home for awhile, and then set it outside in the summertime humidity of Houston for several hours, it would weigh more.

Let me go get that scale ...

Sleepster
Apnea Board Moderator
www.ApneaBoard.com


INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
07-06-2014 08:16 PM
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