Engine Size: 2000
Refrigerant Type: R 134a
Ambient Temp: 30 c
Pressure Low: 20 psi
Pressure High: 200 psi
Country of Origin: Saudi Arabia
Today I was in a traffic, I felt that AC is not blowing well cold air when idling (i.e. at 800 rpm) while the compressor is starting and stopping, but when I speed up to 1500 rpm air blown is cold enough. I recorded these readings when output temperature stabilizes:
at RPM 800 (idle) with highest fan speed, compressor turns on for 25 seconds then off for 5 seconds
at RPM 800 (idle) with lowest fan speed, compressor turns on for 5 seconds then off for 12 seconds
at RPM 1500 with highest fan speed, compressor turns on for 8 seconds then off for 7 seconds
at RPM 1500 with lowest fan speed, compressor turns on for 17 seconds then off for 11 seconds
Please Experts, well consider these numbers because they are accurate. Is this a sign of high or low refrigerant in the system? as mentioned before my problem is less cold air at idling, at speeding very cold air; or this is normal?? if normal, why compressor is cycling while air is not cold enough?
Best to post the current pressure readings and related cycle points. One pressure reading with multiple cycle points and varying RPM is not common.
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