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.
Automotive ac system flow chart.
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.
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.
For auto air conditioning r134a systems.
Keep in mind that this is a very basic overview of the.
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.
The most ideal pressure readings are around 150 high and 30 low.
Wonderful central air conditioning system pdf yp53 documentaries flow chart of the radiant heating and cooling system using natures car lighting.
This chart details how ambient temperature correlates with the system refrigerant charge pressure and how it affects high and low side psi readings.
R 134a temperature pressure chart tabla de temperaturas y lecturas.
This is a kind of video response to a question i got from radicalcomedy about servicing her ac system.
We have an air conditioner troubleshooting flow chart if you would like a step by step approach to air conditioner troubleshooting.
This condition has a few possible causes.
We hope this chart will help you quickly troubleshoot and repair your air conditioner or heat pump.
Automotive air conditioning system diagram.
Remember venting 134a refrigerant into our atmosphere is illegal and bad for our environment.
It can be used for recharging refrigerant or to diagnose an a c system based on pressure readings from your gauges.