Want to run a car air con on 240 volt; Help!

Submitted: Thursday, Oct 16, 2014 at 17:57
ThreadID: 109837 Views:1583 Replies:2 FollowUps:0
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Hello. Purchased an ex booze bus. VW lt35. This has two air cons, both running (separately) off the engine. The rear one I want to run off 240 volt-only and all at the rear of the van. Possibly underneath? what HP 240 volt motor do I need. Thanks Joe
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Reply By: olcoolone - Thursday, Oct 16, 2014 at 18:17

Thursday, Oct 16, 2014 at 18:17
To do it properly you need a 7-8 hp motor (based on R134a refrigerant) and you also need a 240 volt to 12 volt 25-40 amp constant duty power supply (or battery charger) to drive the evaporator fan, condenser fans and compressor clutch coil.

If the system uses R404a refrigerant you will need a 9-10 hp motor.

You will then have to get the 240 volt electrics certified.
AnswerID: 540451

Reply By: Alan K - Thursday, Oct 16, 2014 at 20:06

Thursday, Oct 16, 2014 at 20:06
Hello, you will need to much HP to run the engine driven unit, previous poster is in the correct area for HP i feel, or about 50amp power needed with 240v, you will also need to add fans, recommend you buy a household air conditioner, much cheaper to run, quiet and will probable end up costing less that a big electric motor , see my question on the forum about " Air Conditioner, home type split " , air con running off a honda generator , some interesting info been posted there about doing it to my caravan.
AnswerID: 540455

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