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Cool or "passover" Humidification
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SideSleeper Online

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Posts: 226
Joined: Oct 2015

Machine: PR DS560HS REMstar Auto-A Flex+ +
Mask Type: Nasal mask
Mask Make & Model: Wisp & Dreamwear
Humidifier: Respironics System One
CPAP Pressure: APAP 11-11
CPAP Software: SleepyHead

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Sex: Female
Location: Western Oregon, USA

Post: #1
Cool or "passover" Humidification
I have a BPS C-100 battery pack to use while camping. It says it isn't for use with heated humidification or heated hose--I understood that when I bought it.. It also says using cool or passover humidification will not reduce expected run time. I find nothing in my PR manuals for the power unit or humidified about cool humidification. Can I use it on my machine? If so, how? I'm trying out not using the humidifier tonight for the first time but am looking for a backup if I can't get along without some humid air!

Thanks for any fairly quick responses. We head out in the trailer Thursday morning--no internet for a couple of days.
05-03-2016 01:03 AM
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JWR Offline

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Posts: 455
Joined: Sep 2013

Machine: DreamStation DSX700 , PR 760 bipap auto
Mask Type: Nasal mask
Mask Make & Model: Resmed mirage FX
Humidifier: DreamStation DSXH , system one
CPAP Pressure: min EPAP = 17.5max IPAP = 21
CPAP Software: SleepyHead

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Sex: Male
Location: .

Post: #2
RE: Cool or "passover" Humidification
HI sidesleeper . On the PR it is easy to turn off the humidifier and heated hose by just turning the control knob counter clockwise until the 0 on the indicator lights 0. By doing that you will be using what is called passover humidification or some will call it cool humidification. I actually use passover humidification a lot in the summer when I horseback ride in the mountains of West Virginia, also using battery power. Hope this helps. Coffee

05-03-2016 01:32 AM
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PoolQ Offline

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Posts: 986
Joined: Jul 2015

Machine: AirCurve 10 VAUTO
Mask Type: Full face mask
Mask Make & Model: Amara View
Humidifier: Integrated
CPAP Pressure: 6.2, 15, PS4.0
CPAP Software: SleepyHead

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Sex: Male
Location: Sillicon Valley

Post: #3
RE: Cool or "passover" Humidification
If you want to know for sure get a Kill A Watt EZ Meter for $28 from the big box and plug your CPAP into it and then play with the settings. For my Resmed I turn the temperature down to 61 degrees and the humidity off, then fill the tank with water, sometimes I even add a few ice cubes.

There is some disagreement if setting a CPAP for a low temperature just keeps the heater form coming on until the temperature drops to that level or if the unit can actually cool the tank as well as heat it. One will consume battery power and the other won't.

Personally I would want to know for sure before I went off grid and maybe ran out of power before the night was up, but that's me belt and suspenders.
05-03-2016 01:36 AM
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SideSleeper Online

Advisory Members

Posts: 226
Joined: Oct 2015

Machine: PR DS560HS REMstar Auto-A Flex+ +
Mask Type: Nasal mask
Mask Make & Model: Wisp & Dreamwear
Humidifier: Respironics System One
CPAP Pressure: APAP 11-11
CPAP Software: SleepyHead

Other Comments:

Sex: Female
Location: Western Oregon, USA

Post: #4
RE: Cool or "passover" Humidification
As I understand by reading my manual, the control knob just controls the heated hose temperature. I would think I would have to go into the humidifier settings and turn it off. I will poke around in the settings tomorrow--I know how to get to the clinician settings. Thanks for your replies, guys.
05-03-2016 01:57 AM
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OMyMyOHellYes Online

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Posts: 915
Joined: Mar 2013

Machine: Respironics 560 Auto
Mask Type: Nasal mask
Mask Make & Model: Resmed Mirage FX
Humidifier: Respironics System One (no heated hose)
CPAP Pressure: 08.0-15.0 cm/H2O
CPAP Software: EncoreBasic

Other Comments:

Sex: Male
Location: Texas

Post: #5
RE: Cool or "passover" Humidification
It will provide some humidifcation with just the heat turned off, but it doesn't have much surface area. Respironics makes a bigger cold humidifier box that you plug the machines hose into and then another hose out to the mask. Google "REMstar Passover Humidifier" for it. Several online suppliers sell it. In no AC, battery power situations, I intend to just go without humidification, but it would be cool to have one, just in case. I think it would be more effective than just turning the System ONE heater to -0-.

Oh, and I am not sure that just turning the system settings to "0" completely turns off the humidification. IIRC you have to take the machine out of the System ONE Humidification mode and set it back into "Classic" humidification mode? I don't have the clinician manuals handy....

OMMOHY
05-03-2016 02:43 AM
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SideSleeper Online

Advisory Members

Posts: 226
Joined: Oct 2015

Machine: PR DS560HS REMstar Auto-A Flex+ +
Mask Type: Nasal mask
Mask Make & Model: Wisp & Dreamwear
Humidifier: Respironics System One
CPAP Pressure: APAP 11-11
CPAP Software: SleepyHead

Other Comments:

Sex: Female
Location: Western Oregon, USA

Post: #6
RE: Cool or "passover" Humidification
I did fine with no humidification last night--and had the lowest AHI, 0.5, that I've had in a long time. I usually have to sleep on my back part of the night due to shoulder problems, and it is possible I did stay on my side last night. I didn't have the congestion problems I thought I would have without humidification.
05-03-2016 02:40 PM
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OMyMyOHellYes Online

Advisory Members

Posts: 915
Joined: Mar 2013

Machine: Respironics 560 Auto
Mask Type: Nasal mask
Mask Make & Model: Resmed Mirage FX
Humidifier: Respironics System One (no heated hose)
CPAP Pressure: 08.0-15.0 cm/H2O
CPAP Software: EncoreBasic

Other Comments:

Sex: Male
Location: Texas

Post: #7
RE: Cool or "passover" Humidification
(05-03-2016 02:40 PM)SideSleeper Wrote:  I did fine with no humidification last night--and had the lowest AHI, 0.5, that I've had in a long time. I usually have to sleep on my back part of the night due to shoulder problems, and it is possible I did stay on my side last night. I didn't have the congestion problems I thought I would have without humidification.

I am of the belief that the benefits of humidification are overblown for many users. I do quite well when traveling with no humidity. Used to forgo humidification most of the time in the summer. Currently run humidification at lowest level - most nights don't see much if any evaporation from chamber water levels.

OMMOHY
05-03-2016 06:55 PM
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trish6hundred Offline

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Posts: 6,430
Joined: May 2012

Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

Other Comments: I started CPAP in 2008. Totally blind since birth.

Sex: Female
Location: Missouri, USA

Post: #8
RE: Cool or "passover" Humidification
Hi SideSleeper
I hope you have a great time on your camping trip.

trish6hundred
05-03-2016 07:57 PM
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SideSleeper Online

Advisory Members

Posts: 226
Joined: Oct 2015

Machine: PR DS560HS REMstar Auto-A Flex+ +
Mask Type: Nasal mask
Mask Make & Model: Wisp & Dreamwear
Humidifier: Respironics System One
CPAP Pressure: APAP 11-11
CPAP Software: SleepyHead

Other Comments:

Sex: Female
Location: Western Oregon, USA

Post: #9
RE: Cool or "passover" Humidification
Thanks, all, for answering. I'm going to give the no-humidification thing a try all week. Got my C-100 battery pack charged up--haven't used it before--and we'll see what happens for 3 nights out in the trailer. We have a generator to charge the C-100 and the trailer batteries--my husband runs his RedMed off of them through a cigarette lighter type plug.
05-03-2016 08:22 PM
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surferdude2 Online

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Posts: 1,077
Joined: Jul 2014

Machine: ResMed S9 AutoSet
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro & Optilife
Humidifier: ResMed H5i @ #3 if nose breathing & #5 if mouth breathing
CPAP Pressure: 12 ~ 20 & 11 ~12 if nasal mask
CPAP Software: ResScan SleepyHead

Other Comments: Late stage 2 emphysema

Sex: Male
Location: Mousetown, Southern Illinois

Post: #10
RE: Cool or "passover" Humidification
You may find that the humidity level (ambient RH) will be somewhat higher if you will be camping where the foliage and trees are more abundant. I doubt you'll miss the humidifier. Enjoy your outing adventure!

Dude
05-03-2016 08:39 PM
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