When an A/C is blowing out hot air, a refrigerant or Freon leak is the culprit. If there isn't enough Freon in the google chances are it will freeze out. It is best to leave this until your local HVAC building firm.
Which wiring style an individual use? Well, that rrs dependent upon the system that you wish to charge. Let's say, for example, that you like to use solar capability charge your own RV while camping. An RV, because know, any 12-volt system; therefore, would likely want your solar panel system outputting 12 volts. So, if you have two solar panels and each produces 12 volts at 3.5 amps, you may want to wire them in parallel, which would keep the volts at 12 and increase the amperage to 7.0. If, on the other hand, you have two individual panels and each produces 6 volts at 3.
To see more on Water heater replacement stop by the page.