Hi folks,
I am having a problem with my salon air-conditioning (Cruisair) aboard our 42 LRC.
I have air flow through the unit and good discharge waterflow. The compressor has become louder than the other units and kicks in when I switch from fan to AC. about five seconds in, the compressor makes a "clunk" sound, stops, then starts again.
Any ideas as to where to begin?
Thanks
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01-17-2024 12:34 PM #1Senior Member
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- Aug 2021
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Cruisair Compressor Troubleshooting
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Re: Cruisair Compressor Troubleshooting
I'm assuming in heat mode? Works great in cool mode?
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Re: Cruisair Compressor Troubleshooting
Sounds like a high or low pressure sensor kicking in and shutting down the compressor.
Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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Re: Cruisair Compressor Troubleshooting
Put your hands on the coils. Are they warm or scorching hot?
That is a fast starting point for diagnosis of the compressor side of a split.
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Re: Cruisair Compressor Troubleshooting
Indeed it sounds like a hi or lo pressure sensor kicking in. Is the good water discharge you see only for this unit or is it for multiple units? If you have one pump for multiple air cons, the salon coils could be obstructed and you d still see normal discharge
Pascal
Miami, FL
1970 53 MY #325 Cummins 6CTAs
2014 26' gaff rigged sloop
2007 Sandbarhopper 13
12' Westphal Cat boat
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01-20-2024 05:28 AM #6Senior Member
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- Aug 2021
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- 73
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01-20-2024 05:31 AM #7Senior Member
- Join Date
- Aug 2021
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- 73
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Re: Cruisair Compressor Troubleshooting
if not enough water flow it will shut down on high pressure. Depending on the controls it may try to restart automatically a couple of times.
Easy to check, feel the coils when it starts. If they get very hot before it shuts down, that’s your problem
If you have multiple air cons on a single pump going in a single discharge, the one that trips could be clogged. Pull out the discharge hose, and put it in bucket or jug to check flow
Monitoring coil temperatures helps you diagnose flow issues before they become bad enough to trip the compressor. I added wireless sensors on mines but you can also use an IR gun to check once in a while. If you use an IR fun, mark the coils so you always measure in the same spot.Pascal
Miami, FL
1970 53 MY #325 Cummins 6CTAs
2014 26' gaff rigged sloop
2007 Sandbarhopper 13
12' Westphal Cat boat
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Re: Cruisair Compressor Troubleshooting
Wow, I may have to move where your at. Got pretty cool here again last night.
I had to ask what mode, One of my units over pressured in heat mode when this cold weather started.
Head pressures run a lil bit higher in heat mode vs cool mode.
We may have overcharged that unit just a bit last summer.Last edited by Captain Ralph; 01-20-2024 at 10:28 AM.