...defrost board today still does not work. checked voltage at the condencer and air handler the thermostat wires have at least 24 volts at each wire . what could be the problem? thanks Tim Did you ...
...24 to 27 volts going to it if so replace the contactor. To test this using a voltage meter and touch after waiting 5 min. both sides of the coil. Remember voltage is deadly so ..When in doubt call a ...
...defrost. if you jump it you may have to speed up the board to diagnose. usually jumping test pins together throws it into a 5 sec in 20 seconds out cycle. kind of like turning a 24 hour days into 24 ...
Question about Heating & Cooling
24 volts on defrost board change board .if you dont have 24volts from r and c you have to go to indoor unit and look at low voltage wireing . Check wire nuts or when replace ing motor might have knock
...going in). With the unit runnig for a couple minuits does the large copper line coming into the outdoor unit from the indoor coil get cold to the touch? If not you have lost your refrigerant if it ...
...board could be the problem because when its cooler than 45 outside it wont come on by itself. But when i measured voltage at the thermostat no wire had 24volts.When it runs it runs good and cools or ...
24 volts going to the coil, but I did not check it in cool for 24 volt. What should the pressure be in temp of 50's to 30's, so I know what to do. The first thing you need to do is fix the hole in the
...24 volts after changing out all parts: defrost board, contactor, cap, fan relay, transformer and heat sequence Set the thermostat so that the a/c should be on. Make sure you have 24vac at the ...
...24 volt relay in the heat pump. Wire the coil with a common and remove the hot wire from the reversing valve and land it on the coil of the relay. Next wire 24volt hot to oneside of contacts on relay ...
...24 volts for the control circuits.The 230v will enter on the contactor,some use 1 leg, some both, some use the start winding as a crancase heater and will not be opened by the contactor.That said the ...
55 questions posted
Usually answered in minutes!
1,056 Questions
416 Questions
195 Questions
147 Questions
138 Questions