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  1. K

    carrier model 50js--048--301

    Take off the panel right above where your lineset connects on the unit. The capacitor should be in there. Remember to kill the power before digging around in there. Have fun!
  2. K

    New House, New Problems

    Shut the power off to your furnace. Get a volt meter and head outside to your a/c condensing unit. Shut off the disconnect and gain access to the electrical. Remove the two wires going to the contactor coil and seperate them so they arent touching each other. Now head to the thermostat, set...
  3. K

    No power to my thermostat

    Those darn condensate pumps and their safety features! Usually don't see this issue unless furnace/air handler is installed in an attic or upstairs area. But good post about what could be a possibly overlooked cause of the problem.
  4. K

    Opinion on service charge

    Thats sounds about right to me. As stated by kok328, the price of R22 has gone way up due to it being phased out. The other option would be to take this oppurtunity to update your system to a R410A compatible one so down the road you will be ahead of the game. Eventually if you want a/c you...
  5. K

    Size of intake vent?

    I take it this isn't the only return air for the furnace? You need to have the same square inches of return as you do of supply. So say you are bringing 2 6" runs into your bedroom, this calculates to around 56 square inches of supply. You need 56 square inches (or preferably more) of return...
  6. K

    Looking for new HVAC and move furnace?

    Oh and upgrade that dinosaur furnace to an energy efficient one while your spending the money. It will be a lot quieter as :D
  7. K

    Looking for new HVAC and move furnace?

    Centralizing in the attic is a viable option as long as it is installed correctly. Drip pan under the entire unit with a drain, everything insulated properly, unit supported properly with proper bracing to compensate for additional weight on the ceiling. How much duct work would need to be...
  8. K

    Carrier furnace short cycling

    4 minutes is way too long between when the burners ignite and when the blower motor comes on. Sounds like its shutting down on high limit, cooling down when the blower comes on, closing the limit switch, and then going through the ignition process again. You either have a capacitor on the motor...
  9. K

    Help with Trane Model 2TWB3030A1000A

    Anyway if that's the case it sounds like your reversing valve coil may have failed in the winter heating months. If this is the case it usually fails open which would still allow it to heat fine. Your fan may not be running because its still in heat mode, in which the fan doesn't run all the...
  10. K

    Help with Trane Model 2TWB3030A1000A

    So you are saying that the condenser fan will start up again after it comes to a stop if you spin it manually? And that you changed the capacitor without testing it and it didnt help the situation? Also when you change the tstat to heating mode the condenser fan works properly?
  11. K

    disconnecting summer/winter hookup

    You need to draw a schematic/picture diagram of what the piping arrangement is and also post a picture of the inners of the controller. Too many different setups out there and your explanation of the system is kind of confusing. If you can do this maybe we can help you out better.
  12. K

    lennox compressor 13hpd-060 one year old

    Not enough information to diagnose a problem. Does the compressor run at all? Is it tripping the breaker? How do the refrigeration lines feel? Condenser fan running? Is the condenser coil clean? Clean air filter? Recieving good airflow through the evaporator? High side and low side...
  13. K

    Central AC questions

    The best HVAC system is one that is properly sized and properly installed. The brand really doesnt matter. They all offer the same features and they all have lower and higher priced models to choose from so you can tweek your system and get what you want. You can purchase the cadillac of hvac...
  14. K

    Furnace in the attic?

    Concentric piping is when they run both intake and exhaust out the same hole. Exhaust comes out the middle and intake pulls from around the edges of the cap. Keep 4-6 feet away from windows and doors. Windows tend to fog up if the exhaust is blowing near them. Also remember to slope the...
  15. K

    Cant figure this out! Not getting 24v at the board or thermostat

    Get a qualified person to service this unit. Electricity is nothing to mess around with and it will save you from damaging other components of your system and possibly costing you more money in the long run.
  16. K

    Furnace won't ignite

    Glad you got it figured out. Enjoy the heat!
  17. K

    Trane XE 90 occasionally short cycles until system lockout ( 2 flashes)

    Hey oldFixer, I agree with kok328, i've seen spider nests cause this as well. I've seen these transfer rails on the inshot burners rusted up many times also. This is caused by the impurities in your gas supply reacting with the galvanized burner causing it to rust. This is a pretty common...
  18. K

    Heat Pump Compressor: Bad Run cap and start assist

    Hi y2k600f4, Definetely test the resistance of the compressor windings (test each terminal to ground, test terminal to terminal, etc.). Also check your wiring over to make sure nothing rubbed through and came in contact with the heat pump cabinet. Also possible a couple wires came in contact...
  19. K

    How many HVAC air intakes do I need in the basement?

    Good advice here by everyone. Also if you are putting supplies in the ceiling of your basement, then put the returns as close to the floor as possible and opposite the supply diffuser. This will exchange the cold air on the floor with the warm air from the ceiling as it pulls it down and...
  20. K

    Furnace won't ignite

    Hey farmkid, On a call for heat the inducer motor should start up, prove the pressure switch, energize the ignitor for a period of time, energize the gas valve which in turn should light the burners. The flame should come in contact with the flame sensor which proves the flame. After a delay...
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