Automotive Ac System Flow Chart

R 134a temperature pressure chart tabla de temperaturas y lecturas.

Automotive ac system flow chart.

It can be used for recharging refrigerant or to diagnose an a c system based on pressure readings from your gauges. The ac system could be low on refrigerant an electrical problem may not be allowing the compressor to turn on there could be an internal problem in the system or perhaps there is a problem with the heater ac controls. We have an air conditioner troubleshooting flow chart if you would like a step by step approach to air conditioner troubleshooting. The most ideal pressure readings are around 150 high and 30 low.

The typical complaint for an ac problem is the ac blows warm air. The following table presents the possible inferences and the actions that can be taken based on the level of pressure registered by the high and low pressure gauges. Keep in mind that this is a very basic overview of the. System pressure chart get a quick look at what an average a c system looks like along with the compressor manufacturer and what the specific r 134a requirements are for your car.

This chart details how ambient temperature correlates with the system refrigerant charge pressure and how it affects high and low side psi readings. In 1954 the nash ambassador was the first american automobile to have a front end fully integrated heating ventilating and air conditioning system. The metering device component 3 on this air conditioning circuit and cycle diagram is the dividing point between the high pressure and low pressure sides of the system and is designed to maintain a specific rate of flow of refrigerant into the low side of the system. This condition has a few possible causes.

For auto air conditioning r134a systems. Remember venting 134a refrigerant into our atmosphere is illegal and bad for our environment. At idle condenser inlet temp 170 to 180 condenser outlet temp 135 to 150 usually a 30 to 40 degree drop in temperature across the condenser evaporator outlet temp 45 to 55 compressor suction temp 60 to 70 usually a 15 to 20 degree drop in temperature from the evaporator outlet to compressor suction port. Please click here if you would like to see a pdf air conditioner troubleshooting flow chart.

Automotive air conditioning system diagram.