Reply
 
Thread Tools Search this Thread Display Modes
 
Old 06-11-2015, 03:06 PM   #1
Lt. Commander
 
gmc60's Avatar
 
Join Date: Dec 2014
Location: Mass
Posts: 160
Default CO2 in Cabin

how can the gen co2 fumes get in the cabin only with ac on??? AC off no prob with co2 from gen ???
1996 32 scr
__________________

gmc60 is offline   Reply With Quote
Old 06-11-2015, 04:57 PM   #2
Admiral
 
mmwjr's Avatar
 
Join Date: Feb 2012
Location: Perry Hall, Maryland
Posts: 5,468
Default

Quote:
Originally Posted by gmc60 View Post
how can the gen co2 fumes get in the cabin only with ac on??? AC off no prob with co2 from gen ???
1996 32 scr

Old post; only one of these members has posted in the past year so I doubt you will get a response from these folks.
Also one is no longer with us

No one in this thread mention having the A/C on or off having any impact on CO2 build up, frankly should make a difference unless you are building up CO2 near the A/C air intake and it just spreading it to where your monitor is.
__________________

__________________
Mike
mmwjr is offline   Reply With Quote
Old 06-12-2015, 01:52 PM   #3
Moderator

 
Join Date: Apr 2008
Posts: 3,618
Default

I've moved this from a very old thread to its own.

I would guess that it isn't directly related to the A/C. Rather it is due to increased load. The Genny should be have a variable RPM to conserve energy and only ramp up when load is increased.

A/C is expensive in regards to power draw. I would bet when the genny rpm's are down the cabin vents fast enough to keep the levels down. When the generator ramps up to meet the draw from the A/C the CO2 rise is faster than the cabin can vent it, triggering the CO2 detector.

This can only come from two places:

1) Some leak in the exhaust system (unlikely).

2) Drafting (think tractor trailor). If you're anchored or on a mooring, the boat will almost always be bow to the wind (unless it is overwhelmed by tide, in which case the breeze isn't that strong). The boat blocks the wind and aerodynamics caused the wind to 'eddy' behind the boat, blowing back in. Are there cabins or hatches open at the time?
__________________
Shhhhhh!!! Please lower your voice, the boat is sleeping.
shrew is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Powered by vBadvanced CMPS v3.2.3

All times are GMT. The time now is 08:50 PM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2017, vBulletin Solutions, Inc.