R22 pressure chart high and low side pdf This is a very old unit. Definition of air conditioner high side and low side pressures.
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It can be used for recharging refrigerant or to diagnose an a c system based on pressure readings from your gauges.
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R134a pressure gauge chart this chart details how ambient temperature correlates with the system refrigerant charge pressure and how it affects high and low side psi readings.
R22 vapor pressure at sea level. R 134a high side pressure 3. The head high side pressure depends on the temperature at which the the low side needle should point between 35 and 40 degrees in.
R 22 refrigerant is the major refrigerant or it was. The evaporator obstruction was superficial and cleaned easily. 65 71 f 18 c 65 psig.
Example r 22 refrigerant temperature vs pressure data. R 22 low side pressure 2. R 22 high side.
Temperature pressure chart for fyi 289 9 17 2009 r 22 r 410a r 407c r 134a r 404a refrigerants advantage engineering inc 525 east stop 18 road greenwood in 46142 317 887 0729 fax. Factory charge was 14 lbs. 22 4 80 8 190 2 372 5 23 2 82 4 193 377 1 20 9 77 6 184 6 363 5 21 7 79 2 187 4 368 19 4 74 5 179 1 354 6 20 1 76 1 181 8 359 17 9 71 5 173 7 345 9.
R 134a low side pressure 2. In it all together. In my 2 r22 based hvac systems the low pressure side is 40 and 45 degrees fahrenheit f while the high side is 110 and 115 degrees.
Along with air conditioning. R 22 was invented by a partnership with general motors and dupont back in the 1930 s. See these complete refrigerant pressure temperature charts as pdf files that you can download.
Troubleshooting charts for air conditioners and heat. I ended up with a low side pressure of 70 psi and a high side of like almost 270 psi on the high side. And i put around 5 lbs.
After cleaning the coils i re attempted to charge the system and it was very low. Generally it should be around 225 on the high side and near 70 on the low. See these complete refrigerant pressure temperature charts as pdf files that in f1 r22 vapor pressure at sea level r 22 low side pressure2 r 22 high side pressure3.
In the 1950 s the use of r 22 exploded and for nearly sixty years it was the refrigerant to be used in home office and commercial air conditioning. Ambient temperature in f 1. A c help less than optimum performance 2000 2017 silverado automotive r134a vs refrigerator r22 refrigerant chart premium temperature pressure r 134a 410a head pressure chart caska zeror ac refrigerant charging hose and can tap r12 r22 air hvac systems new normal operating pressures for r22 system.
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