Our Dolphin HVAC has two stages of comptessor activity: the one that uses the second stage only workd in 50 Amps, but the other works OK on 30 (even 20)/ Look to see if you have the "mystery switch" as shown in the image in the rear-most bay on the drivers side, you're in business.
The "up" position is for 50 amp and "down" for 30 Amp service to the HVAC.
After using it on the 30A service, be sure to switch back to 50 when you get back to 50 service.
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J.J. Hayden (KN4SH)
Covington, GA
2005 National Dolphin 5342
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