Can you add R134a to an RV air conditioner compressor?

If you have an older R12 based system you cannot simply add R134a to it although the system can be upgraded and modified to accept R134a. The compressor provides the basic circulation of the refrigerant through the system. It creates pressure differentials by compressing the refrigerant to high pressure.

What are the most common RV air conditioner problems?

7 Most common RV Air conditioner problems and how to fix them. 1. The AC Does Not Turn “O N”. 2. The Air Conditioner Blows Out Hot Air. 3. The Air Conditioning Unit Motor is Unusually Loud. 4. There is Ice on Your Air Conditioner. 5. The Air Conditioner Has a Foul Smell.

How to test an RV air conditioner capacitor?

Capacitance Testing Step 1. Turn off the main AC circuit breaker to the RV. The circuit breaker is located in the RV’s electrical load… Step 2. Climb on to the RV roof and remove the air conditioner protective housing by unscrewing all Phillips head screws… Step 3. Locate the motor run and start …

What kind of AC do I need for my RV?

Most RV’s are equipped with AC’s from atwood, coleman, dometic or advent. We recently replaced our old ac with a Dometic Brisk II Rooftop Air Conditioner (check current price and reviews on amazon).

What to do when your RV air conditioner is not coming on?

When the RV air conditioner compressor not coming on, a clamp-on ammeter is a perfect tool to check its health. The compressor has an ampere rating and the reading on the ammeter should not cross that number. If it does, the compressor is toast. Examine the compressor with a clamp-on ammeter.

How does an air conditioner compressor work in an RV?

A thermostat turns the compressor and fan on and off. Other components required for that on/off mechanism is a thermometer and capacitor (s). A 12-volt electrical system supplies power to these parts. The AC system in your RV is combined with the heating system. RV AC Compressor Not Starting: How Does the Problem Look Like?

How can I tell if my air conditioner compressor is running?

When you switch on the air conditioning, the capacitor supplies the required electricity for running the compressor and the A/C fan. You can check the compressor with a voltmeter to see if there is AC voltage on it when the A/C system starts.

What kind of air conditioning does a motorhome have?

Motorhomes come with the usual house air conditioners to provide cooling for the coach but an automotive air conditioning system is also supplied to provide cooling when driving. It’s very similar to the system you have in your passenger car, truck, or SUV.

Where is the PCM on a 1999 Ford F53?

1999 ford f53 motorhome, battery shorted out and tried to jump with battery charger. Turned key on and dash gauges bounced,checked the polarity (was okay ) and tried the key again. Same thing. Replaced … read more

Is the R134a air conditioner still banned in California?

R134a is available in small disposable cans as well as in larger tanks. As of this writing disposable cans are still banned for sale in, or shipping to, either Wisconsin or California, even though the environmental issue has been done away with once the switch from R12 was done long ago.

Where is the evaporator located on a country coach?

They put the evaporator unit (cooling coils) in the dash, just like you find in a car/truck. They shouldn’t be any harder to fix than on a car or truck. It is the same type setup. It could be the Country Coach is set up differently if you have a rear a/c cooled by the compressor on the engine.

Is there an evaporator unit in the dash?

It is the same type setup. It could be the Country Coach is set up differently if you have a rear a/c cooled by the compressor on the engine. You may have two evaporator units, one in the bedroom and one in the dash. You are most likely correct. We do have an evaporator unit under our bed that supplies the rear AC when under way.

Where do you put the evaporator unit in a car?

They put the evaporator unit (cooling coils) in the dash, just like you find in a car/truck. They shouldn’t be any harder to fix than on a car or truck.