The unit is hermetically sealed with neutral, run, and start leads coming out of sealed can. Vasile Surducan wrote: > On old days that was solved by a Y to delta switch. Starting on Y with > a lower current and switched to delta after get some speed. > Assuming the motor is tri-phased (as it should be at powers larger than 9KW). > > Vasile > > On 9/16/08, Bob Blick wrote: > >> Hi Carl, >> >> The starting load of the air conditioner, 83 Amps, is higher than the >> rating of the generator. >> >> So it doesn't surprise me that the voltage dips when the A/C starts. >> >> If your generator is rated for a 300% temporary overload, that does not >> mean it will be producing rated voltage and frequency at that time. >> >> Boosting the engine speed in anticipation of the air conditioner >> starting is asking for trouble, please don't do it. You'll be stressing >> your whole system even more. >> >> The solutions I suggest are this: >> >> If your HVAC contractor has a factory-approved kit that solves the >> problem, do that. Or else: >> >> Get a bigger generator. >> >> Or just get a few small UPS units for the critical devices you have in >> your house. >> >> Cheerful regards, >> >> Bob >> >> >> >> >> On Tue, 16 Sep 2008 12:38:04 -0400, "Carl Denk" said: >> >> >>>>> We have a 12.5 KW standby generator, and while online and the house air >>>>> conditioner starts up, there is a brief voltage drop with lights >>>>> dimming, but not enough to have to reset clocks, while the carburetted >>>>> gasoline engine's mechanical governor opens the throttle to the demand >>>>> of the new load. Otherwise the generator handles the load fine. Looking >>>>> for a soft start controller or other way to flatten the peak. My HVAC >>>>> contractor indicates there is a kit available that includes a capacitor, >>>>> >>>>> and he's checking that out with the manufacturer. Apparently the device >>>>> acts like the capacitor on a capacitor start motor. >>>>> >>>>> Here's the data on the exterior unit: >>>>> Model: Rheem RAML-036JAZ >>>>> Voltage: 220 VAC 60 hertz >>>>> Breaker: 30 amp >>>>> RLA: 15.4 AMP (running amperage) >>>>> LRA: 83 AMP (locked rotor amperage) >>>>> Scroll type compressor >>>>> >>>>> I am able to build a electronic device, familiar with PIC's, not that >>>>> great with design though, in particular AC. >>>>> >> -- >> http://www.fastmail.fm - Or how I learned to stop worrying and >> love email again >> >> -- >> http://www.piclist.com PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> >> -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist