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AC issue
Sept 6, 2019 22:43:53 GMT -5
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Post by Absolut91LTD on Sept 6, 2019 22:43:53 GMT -5
Had the whole week off... awesome... spent the whole week on the boat. Weather has turned cooler at night up where we are so AC usage is slowing down. Turned on the AC to cool the boat down and we threw a code, forgot exactly but when I looked it up it said clean the filter. Strange because I had just cleaned it the day before. Checked it... clean, but there was water, quite a bit of water in the compartment behind the filter. I had never noticed it before but figured it might have something to do with the code. I got a towel and drained all the water out of the compartment. Sure enough AC kicked on w no issue... until morning. Entire inside of the boat was wet. Windows had major condensation and even the ceiling liner was wet. Almost like a morning dew, but inside the boat. Checked the area again, sure enough water had built back up in that area. Checked for a drain, couldn’t locate one. Ask our service guys, they are not AC professionals so they are suggesting bringing them in.
Has anyone ever had this issue?
Is there a drain in that area they may be clogged?
2013 28 Express
Sorry for the wordy explanation. Hope I explained the issue well enough.
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AC issue
Sept 7, 2019 8:28:49 GMT -5
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Jon likes this
Post by lg260ss on Sept 7, 2019 8:28:49 GMT -5
Never had any issue with the ac, there should be a drain for the condensate pan, which if I remember correctly drains into the gray water shower sump system. Make sure the drain at the sump is clear of debris. I usually clean the sump a few times a season.
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Post by gofast24 on Sept 8, 2019 11:25:59 GMT -5
Never had any issue with the ac, there should be a drain for the condensate pan, which if I remember correctly drains into the gray water shower sump system. Make sure the drain at the sump is clear of debris. I usually clean the sump a few times a season. If cabin is wet (damp) most likely evaporator coil is frosted over due to low refrigerant. Also, there should be a drain pan below AC unit to collect evaporator condensate and drain it out, either to thru a hull, or in or case, to the sump pumps (one fwd, one aft, on both AC units) .Depending on your make/model AC unit control it should indicate a fault code, if so, what was (is ) the fault code? The "clean air filter" I believe just comes on every 50/100 hours regardless if you have a filter or not. That should not shut off AC unit? |
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Jon
Full Member
Posts: 32
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Post by Jon on Sept 11, 2019 15:08:15 GMT -5
Never had any issue with the ac, there should be a drain for the condensate pan, which if I remember correctly drains into the gray water shower sump system. Make sure the drain at the sump is clear of debris. I usually clean the sump a few times a season. x2. I bet the pan drain is clogged. Not sure if it has a float switch cutoff by my home A/C does. To prevent the pan from overflowing. |
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Post by gofast24 on Sept 13, 2019 9:04:18 GMT -5
X2 also. Only thing is that if the evaporator coil isn't frozen (due to low refrigerant) the cabin shouldn't get fogged up, just the water in the condensate pan not draining out and causing it to over flow into bilge. This could be difficult but I would get a wet vac and try to get at the condensate pan drain port and "suck" it out. Could be a plugged drain line to the sump pump (or a thru hull if that is how the boat was plumbed?). if that clears it out then pour a pint or so of H2O2 (hydrogen peroxide) into the pan and just let it set for a day or so, then flush out with clean water. If that doesnt work and a thru hull discharge turn the vac into the "blower" function and blow back thru the thru hull fitting to se if it can be cleared doing that. If not , default to a qualified marine AC tech to find problem. Good luck.
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Post by Absolut91LTD on Sept 13, 2019 12:13:14 GMT -5
Thank you for all of the suggestions. The guys in the shop finally had a chance to take a look. At the end of the day it was a clogged drain. They think the water from the pan was being pulled through the vents, making everything wet. I will be on the boat this weekend and will test it out and see what happens. I will also find out where this drain was because I could not find it, another boater at the marina couldn't find it and the tech that first came down to the boat could not find it so I am curious as to where it is. I also had checked the sump. It was clean and moving other liquid that was being dumped in there freely.
Trust me no complaints when its an easy fix! Now just curious so I can prevent or fix it quickly if and when it happens again. |
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Post by gofast24 on Sept 15, 2019 5:34:39 GMT -5
Thank you for all of the suggestions. The guys in the shop finally had a chance to take a look. At the end of the day it was a clogged drain. They think the water from the pan was being pulled through the vents, making everything wet. I will be on the boat this weekend and will test it out and see what happens. I will also find out where this drain was because I could not find it, another boater at the marina couldn't find it and the tech that first came down to the boat could not find it so I am curious as to where it is. I also had checked the sump. It was clean and moving other liquid that was being dumped in there freely.
Trust me no complaints when its an easy fix! Now just curious so I can prevent or fix it quickly if and when it happens again. Thanks for advising on the actual cause of your problem. I would still suggest pouring a half pint of H2O2 into condensate pan(s) every couple of months. I also do this with all sink and shower drains to keep the slimy stuff under control and the sump pumps and box clean. The advantage of H2O2 is that it doesn't hurt rubber or plastic parts (pump impellers/check valves/drain or discharge hoses) which bleach will. FYI = Dont use bleach anywhere on the boat plumbing system. Good luck and enjoy the rest of summer! |
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