What causes high pressure in ac unit?

lpollard2fa903 Posts: 2, Reputation: 1

New Member

May 26, 2011, 05:51 AM

What causes high pressure in ac unit?

What causes high pressure in a ac unit?

smoothy Posts: 25,490, Reputation: 2853

Uber Member

May 26, 2011, 06:49 AM

High temperatures, or a blockage of the expansion valve or orifice, but you need to be more specific in your question.

Add your answer here.

Check out some similar questions!

The high pressure side and low pressure side of my ac unit are at 115 lbs, what do I [ 4 Answers ]

I have a Goodman ac unit at my house,the high pressure side and low pressure side are equal at 115 lbs. How do I solve this problem, or what do I do to fix this problem.

Pressure regulator works okay, but with water off, has very high back pressure [ 4 Answers ]

I went to check my home's water pressure. When I did this, it read off the charts at 100psi. Adjusting the pressure regulator did nothing apparent. But in the shower, the adjustment definitely had an affect - even thought he pressure meter didn't show a change. I tried a second pressure meter...

Water pump pressure builds too high and trips the pressure valve [ 1 Answers ]

First I had to replace the breaker for the water pump because the breaker must have went bad because I had no power to the pump. Fixed that and everything worked fine. I had to shutoff the water supply to repair a leak in a pipe. After I repaired the pipe I turned the water back on and got no water...

Low water pressure causing high blood pressure [ 1 Answers ]

I have low or no hot water pressure to the downstairs bathroom. I've replaced the cartridges, valves and hot water heater, still no pressure... help.

Do you add 30 410a freon pressure like you do r22 and r12 for high side pressure in c [ 1 Answers ]

Do you have to add 30 to the ambeint air temp. like you do for r22 and r12 to R410a freon to get the proper high side pressure reading