foxy Posted June 13, 2006 Share Posted June 13, 2006 Anyone out there got the new Waeco roof air dual voltage air conditioning unit fitted.If so is it all it`s cracked up to be.ie can be used on the move. Foxy *-) (?) Link to comment Share on other sites More sharing options...
scoutse Posted June 14, 2006 Share Posted June 14, 2006 Hi I looked at that make of air con unit was told it only works on 240volt it looks a bit cheap so have gone for the dometic b2100 it,s not fitted yet . Link to comment Share on other sites More sharing options...
smifee Posted June 14, 2006 Share Posted June 14, 2006 hi foxy i had quite a bit of Waeco gear fitted on my van last year. Waeco was chosen on the advice of Vanbitz who fitted it all. the reason given was that they have an excellent customer service section both for technical advice & replacement of any faulty goods. i can vouch for the advice and read on another forum a couple of days ago of their instant replacement of a faulty item. all the stuff fitted to my van works perfectly. it's expensive but sometimes you do get what you pay for. you could always run the aircon from a Waeco inverter particularly if you have a smart regulator or battery to battery charger ensuring that the leisure batteries are fully charged on the move. mike Link to comment Share on other sites More sharing options...
Dave Newell Posted June 15, 2006 Share Posted June 15, 2006 Hi, the Waeco AC/DC air conditioners come with a thumping great inverter to enable them to run from 12 Volts while driving. Also included is a heavy duty charge controller to enable the required current to be passed from the alternator to run the unit. As Smffee says Waeco do give excellent backup. D. Link to comment Share on other sites More sharing options...
Bernard Posted June 15, 2006 Share Posted June 15, 2006 Have had a Weaco air con unit for 2 years and am very happy with it. It functions well on the move and if used economically will function whilst stationary for some time. Do fit the large inverter recommended make sure you have 2 large good leisure batteries, l have also had fitted a larger alternator. Great setup. Link to comment Share on other sites More sharing options...
scoutse Posted June 15, 2006 Share Posted June 15, 2006 Hi Bernard what modle air con do you have ? cheers mark Link to comment Share on other sites More sharing options...
Double Posted June 18, 2006 Share Posted June 18, 2006 Hi you helpful people out there. A 'Easy Cool' by Waeco as already fitted on the van when I bought it last year and have never been able to get it to work on 12 v when stationary. No problems with it on 240v. It has the thumping great inverter which Dave Newell mentions as well as its own leisure battery. Reading the replies, am I expecting too much from it and it is only meant to work off 12v whilst driving? John L Link to comment Share on other sites More sharing options...
Dave Newell Posted June 18, 2006 Share Posted June 18, 2006 Hi Double, it's unusual for the Easycool to have it's own leisure battery. The 12 Volt system is intended for use while driving not stationary because of the current drawn. The 1500 Watt Easycool takes arond 80 Amps on 12 Volt which will knock the guts out of a leisure battery in no time at all. Better to have another cold one. D. Link to comment Share on other sites More sharing options...
Bernard Posted June 19, 2006 Share Posted June 19, 2006 Hi Mark Sorry for delayed reply been away! My model of Easy Cool is the 1500 AC/DC complete with Inverter & charging current distributor works very well when stationary on 12v for a limited time. Couple up two leisure batteries (do not as someone else has done reserve a bettery for air con alone.) The auto cut out to protect low battery is a must , for starting after prolonged use. I installed mine myself with the assistance of an Auto Electrician friend. The larger Alternator was part exchanged by a local Alternator repair specialist ( The mounting bracket also needed to be altered. I do have the benefit of an on board Teleco petrol Generator for when rough camping over longer periods which assists the air con. Hope this information is helpfull - good luck Bernard Link to comment Share on other sites More sharing options...
olley Posted June 19, 2006 Share Posted June 19, 2006 [QUOTE]Dave Newell - 2006-06-18 10:09 PM The 1500 Watt Easycool takes arond 80 Amps on 12 Volt which will knock the guts out of a leisure battery in no time at all. Better to have another cold one. D.[/QUOTE] Hi Dave I always work on 100watts=10 amps at 12v as a rough rule of thumb, that gives a figure nearer 150 amps not 80. But I certainly agree with the last line :-D Olley Link to comment Share on other sites More sharing options...
enodreven Posted June 19, 2006 Share Posted June 19, 2006 Hi, Olley From the limited knowledge i have about Air Con units i may be speaking a lot of rubish but i think that most of them have a ratio of about 2:1 or is 1:2 ? i.e. you need approximatly 800 to 1000 watts input to effect a cooling load of approximatly 1800 to 2000 watts output ? and that the output is measured against the relative humidity ?? i beleive these calculations are based upon date provided by ASHRA , google should find their web site if you are interested ? That proberbly didn't help at all ?? and it was apity that we didn't get to speak at the Stratford Show Brian Link to comment Share on other sites More sharing options...
foxy Posted June 19, 2006 Author Share Posted June 19, 2006 Hi people thanks for your replies to the original question, just another quickie, has the units you have, been used on the move abroad and if so did it cool as adequate as an installed cab air unit. Foxy :$ Link to comment Share on other sites More sharing options...
Dave Newell Posted June 20, 2006 Share Posted June 20, 2006 Hi Olley and Brian, I quoted 80 Amps (approx) for the 1500 Watt Easycool because I've measured several of them running (I used to install them at my previous employers). 1000 divided by 12 equals 83.3r, 1000 divided by 14 (the near voltage provided when the engine is running) equals 71.43, so with the engine running the current drawn will be slightly less. Waeco claim the 1500 Watt cooling capacity as being made up of 1000 Watts powered and 500 Watts evaporative performance. I've never been in a position to measure this claimed performance. If that sounds a bit confusing it means that the 1500 Watt Easycool actually takes 1000 watts of electrickery to operate, the other 500 watts of cooling performance is claimed to come from evaporative performance. Always sounded a bit of a bold claim to me but if the system works then I'm not going to split hairs over a few Watts. D. Link to comment Share on other sites More sharing options...
olley Posted June 20, 2006 Share Posted June 20, 2006 Hi Dave sorry I was thinking that the 1500watts was a straight current draw, didn't know about there claims. I can't argue with your maths but without the engine running or on tick over, with the efficiency losses in the inverter (10%?) i would think my rule of thumb ain't far out, and it gives you a safety margin when sizing fuses/wire. Hi enodreven are you going to lincoln? See you there maybe Olley Link to comment Share on other sites More sharing options...
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