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What cause condenser coil to freeze when heat was turned on?
Sounda like you have a heat pump, more than likely you are low on refigerant
What can a dirty evaperator and indoor fan cause?
A dirty evaporator coil can cause your air conditioning system to freeze due to decreased air flow threw the coil, it will continue to get colder and colder from lack of proper air flow freezing the condensation. It also decreases the entire ac systems efficiency. A dirty indoor fan motor blower wheel can cause damage to the motor as it adds weight and again restricts air flow causing the motor to possibly overheat. For a long hvac system lifespan, clean evaporator and condenser coils with a properly changed filter makes all the difference.
What is wrong with your air conditioner when the low side pressure is 90 and the high side is 240?
What is the outdoor temp? If above 90 this is typical pressures. It sounds as if you have a dirty filter or some other restriction. Possibly a dirty condenser coil or evap coil. >>>>> This means it is HOT in the house, assuming R-22 is the refrigerant. A dirty filter would not cause this.
When a heat pump is in the cooling mode the heat is rejected through the Outdoor Fan or The Condenser Coil or The Evaporator Coil?
Condenser coil
Why does home airconditioning coil freeze?
The big question is which coil are you referring to? A couple of causes are 1-Low on freon 2-Filter dirty and not enough air flow across coil.
What would cause a Air Conditioning unit to freeze?
the outside air unit connection from unit into my house freeze up we can feel a little cold air flow but not enough to cool the house and then the connections freeze up so we shut dirt unit off.
Why did your ac coil ice over?
Usually there is two things that cause coils to freeze up....Air flow restrictions (dirty coils), or Low on freon....Before you ever add freon you must make certain there is no dirty coils....Chris Anderson AlienAC.com
Why your ac coil ice over?
Usually there is two things that cause coils to freeze up....Air flow restrictions (dirty coils), or Low on freon....Before you ever add freon you must make certain there is no dirty coils....Chris Anderson AlienAC.com
What damages air conditioners?
-dirty filters. -low refrigerant. -dirty evaporator coil and condenser. -too much refrigerant in the system. -poor installation, no vacuum. -clogged up copper lines. -no dryer filters.
Can a wrong filter on house ac unit cause in to freeze up?
A filter with high resistance to air flow, as in high efficency types, may cause the coil to freeze. This is dependant on the system air flow. A more restrictive filter will reduce the airflow and MAY cause the airflow to be insufficent and cause the coil to freeze. Note: coil freeze ups will cause compressor damage. An expensive repair. A knowlegeable service technician can check your system air flow and determin if a high efficency type will be an issue or not.
Why would you run high head and normal suction pressures?
Dirty condenser coil, high ambient temperature, problem with condenser fan, overcharge, non condensibles, high indoor load are the first places I would look. In that order.
Would a dirty evaporator coil cause high humidity levels in a home?
Yes.
