As the refrigerant is added the temperature differential between the air within the unit and the air in the rv should be monitored and recorded numerous times.
Adding refrigerant to rv air conditioner.
Much of this is accomplished through how you pack.
Recharging the freon in an rv air conditioner should be left to the professionals for a number of reasons.
They are sealed systems and the freon inside is made to last the life time of the unit.
Adding more refrigerant to a unit with dirty parts can damage the ac.
If your technician suspects a freon leak your costs will also have to go up.
Since refrigerant is a regulated substance than can be harmful to the atmosphere the epa demands that a leak check be.
The air conditioner works by passing air over an evaporator coil which is cooled by the use of a refrigerant.
A drop in the level of refrigerant translates into a drop in the machine s efficiency.
That is if it doesn t spring a leak.
Refrigerant is fairly standard in automotive air conditioning systems but the rooftop units on your rv while still using the same basic design of air conditioning do not use r134a and typically use r22.
Make sure you use an outlet rated for 30amps to prevent failure but when it comes to repair it s not really a diy job.
Coleman is also a sealed system and the only way to recharge them is to buy access valves and a rv air conditioner recharge kit.
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.
You can expect your air conditioner to weigh at least 40 pounds.
As has been stated already most rv air conditioners are designed to not be recharged.
If you re an experienced rv or camper user then you know how important it is to keep your vehicles balanced.
But on the other hand with a large house comes a large air conditioning unit and this will cost more to refill when it inevitably runs low.
The most common refrigerant is freon a brand name owned by dupont that is universally albeit mistakenly used as a generic term.
Your ac s air filter blower wheel evaporator coil and condenser coil need to be cleaned before you charge your unit with more refrigerant.