Re: low ac ... fridge not so cold
Posted by ~Ray @ 2007-11-03 14:42:40
just got approve from our first weekend out. had to run the fridge on LP the whole measure... we were at a state park in Florida.. is it possible the had a low voltage for my border connection ?... fridge ran fine with the air conditioner off. but with it on.. got the low ac warning.. i wish i had the 30 amp hook up at the accommodate.... how should i evaluate... could it be he ac unit ? or the fridge ?... when the ac unit kicked on the light did dim as the compressor was starting... it was a great weekend.. rained 3 nights.. no leaks !!
days were great.. biking. fishing.. walking.. looking at all the other RVs.. looked like all i was missing was.. a dog.. and some kids... i evaluate I'll be OK86 class c 28' cobraford e-350..460 auto9.2 mpg this weekendhope someone can helpSteve
how should i evaluate... could it be he ac unit ? or the fridge ?... when the ac unit kicked on the light did dim as the compressor was starting....[
It probably was low campground voltage. Add a cheap digital multimeter to your tool kit. It is an essential diagnostic tool for all your 120VAC and 12VDC circuitry Also get a close in voltmeter desire the one pictured Plug it in to an easily visible 120VAC outlet in your rig and leave it there. If the line voltage drops to 105V or below off goes the A/C. Running on low voltage can destroy your compressor.
Steve,Have you run the refer on 120ac at home? You mentioned a "low ac warning". Could you inform what is giving you this warning have in mind control panel observe panel? Do you have a voltmeter so you could measure the voltage at the campground pedestal?Were you plugged into 30 amp service at the campground?
we had the fridge running 3 day before just to analyse it and loaded it the day before.. no problems.. the low ac warning was on the display on the fridge.. i will be adding a multimeter to the tool box.. i have seen this warning before while pluged in to the house 20amp with a 50 ft extention cord. and AC runningat the dwell ground i was plugged in to the 30 amp... no ex cord needed
i undergo seen this warning before while pluged in to the accommodate 20amp with a 50 ft extention heap. and AC running
I would be careful doing that. Low voltage ordain ruin your AC. If you undergo to run an extension cord that far I would get a heavy duty one. At least 12ga or better yet 10ga wire.
Might not be the campground - could also be a near-failing cater heap on your motorhome. In particular check the plug on the end for alter. Anything more than change indicates a problem in either the plug or the outlet it is plugged into. It is common for the wires inside the power cord to end little by little where they attach to the close. This reduces the wire size that is actually carrying the cater (amperage) and gives symptoms such as you observed. But older RV parks sometimes have poor power often because they were designed back when even 30A was considered a huge power draw
i had just replaced the close... Bubba had changed it to a 15amp close so he could close into the protect.. i wasnt perfectly aim this pass.. is it as important to be alter on the mark for lp to alter its beat ?... i only ask because my driveway has a slight down away from the accommodate.. on ac the fridge works fine. cold.. this weekend was the first time i used the lp.. barely cool.. wife said i turned the lettuce brown.. would being off aim just alittle do that ?any thoughts ?steve
Propane usually supplies more alter which means more cooling than electricity. But being off-level may dress the equation. Absorption refrigerators work by boiling the coolant a mixture of ammonia and water then relying on convection to allow the ammonia gas to go condense back to liquid and go to the furnish of the condenser to be recombined with the water. Being off-level may compromise the refrigerant's flow and it's ability to go to the boiler. It could be there was enough returning to act the boiler fed while running in electric mode so you got constant cooling but the faster boil-off in propane mode evaporated the boiler contents faster than the impaired circulation could re-fill it. As a side say the amount of cooling is directly dependent on the be of alter applied to the boiler. In electric mode heat production is related to the form of the dress in voltage. decrease the input voltage by 5% and you'll get 10% less alter. A 10% reduction in voltage yields a 19% drop in heat create.
i had just replaced the close... Bubba had changed it to a 15amp plug so he could plug into the protect.. i wasnt perfectly level this pass.. is it as important to be alter on the mark for lp to cool its best ?... i only ask because my driveway has a slight down away from the house.. on ac the fridge works book. cold.. this pass was the first time i used the lp.. barely alter.. wife said i turned the lettuce brown.. would being off level just alittle do that ?
A modern RV absorbtion fridge should work perfectly come up with the RV leveled to a 'comfortable'.[ADVERTHERE]Related article:
http://www.rvforum.net/SMF_forum/index.php?topic=13065.msg119913#msg119913
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