I have a 4 year old intertherm 3 ton heat pump electric package unit.I turned on the heat the other night and it blew warm for several minutes then it blew cold for several minutes then back to warm again and the same thing keeps happening.I thought it was the indoor thermostat so i replaced it its doing the same thing. please help!!!
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Re: Intertherm heat pump blows hot then cold then hot
You may have a problem with a temperature safety system. Before changing anything else, check to see if the unit is clean!!! Dirt/dust can fool the safety system into an overtemperature status. Inspect the heat coils for damage and dirt. Gently clean.
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very good possibility that it is low on freon. If indoor unit is blowing ambient air, not cooling is happening. If this is the case and you are sure the compressor is running and then shutting off, the compressor could be overheating and the internal overload is taking out the compressor. If outdoor fan runs and compressor runs, probably cause. If capacitor is bad, unit would most likely not run that long. While unit is running, feel the large line at the condensing unit. If it is cold, and stays cold, could be something else going on. If stays warm, most likely low on freon.
There should be a square sticker or metal plate that tells you the model # the #'s that comes close to the multiplecation of 12 =to tonnage,example ( asbv036g-1 the 36 = 3 tons 12x3=36 (gdhe420-1 = ==3-1/2 tons cooling 12x3 plus 6-1/2 ton = 3-1/2 tons the serial # tells the year it was made.....080808 , the first 4-#'s tells you the month--- for 4 #'s this is aug.- year 08 !
you have a missmatched system, for it to work try removing the orfice on the high side txv it is not allowing the evaperator coil to fill with refrigerant properly coleman and intertherm dont like each other since they control a large market in the manufactured housing heating and cooling units electricaly connecting the componets together no issue prefromance sometimes is the issue hope this helps
FIRST YOUR OUTSIDE UNIT PROVIDES HEAT BY USING A REVERSING VALVE TO CHANGE THE REFRIGERANT FLOW.THERE IS NO HEAT STRIPS OUTSIDE SECOND YOUR EMERGENCY HEAT TURNS ON ELECTRIC ELEMENTS INSIDE YOUR AIRHANDLER UNIT.IT SOUNDS LIKE SOMEONE HAS WIRED YOUR UNIT WRONG OR HAS THE THERMOSTAT SET IMPROPERLY.WHEN THE HEAT PUMP CANNOT SATTISFY THE SETPOINT THE THERMOSTAT IS SUPPOSED TO TURN ON YOUR ELEC. HEAT UNTILL THE LOAD HAS BEEN REACHED AND THE HEAT PUMP CAN CONTINUE TO MAINTAIN IT.