Aqua Air V100 Pressure Tank Online Manual

Tempwise 2001 Direct Expansion Digital Thermostat Manual Page 1 INTRODUCTION The Tempwise 2001 Control is designed for use with Aqua-Air Direct Expansion, reverse cycle Air Conditioning Systems. The Tempwise 2001 has a universal power supply that operates on 115V or 230V, 50 or 60 Hz AC power. Hi, we have a V100 and have had pressure problems lately in the house we just moved into last year (it's been fine until the other day). Tom stated that the tank pressure should be 2 psi below the pump cut-in. Our cut-in is about 38-40 psi but the tank pressure is 60 psi (the previous owner said this is what they kept it at and it worked fine).

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I have a well 425' from 1977 with a 220 volt Gould 5SE10 submersible pump from 1988 and an A O Smith Aqua Air V100 pressure tank. I am trying to set the charge pressure in the tank and adjust the cut in and cut out pressure points.

I set the pressure tank to 38# empty. The cut in is 43#.

The cut out is 61# at the pressure gauge at the bottom of the air pressure tank inlet-outlet T. This pressure gauge was replaced about 8 years ago and is not water logged. I spoke with a well person who installed the pump. He said not to trust this pressure gauge and to just measure the water pressures at the top of the air pressure tank with a tire gauge.

This is the same place used to regulate the charge pressure of 38#. The pump cut in shows 38# and the cut out is 52#. Custom western chinks. So you can see the two sets of measurements do not coincide. Does this mean I should change the well pump pressure switch to show 40-60# at the top of the pressure tank and ignore the pressure gauge at the bottom of the pressure tank inlet-outlet T? Please advise.

Thanks for your reply. It was my understanding the water pressure gauge at the inlet-outlet T was an accurate one. I purchased it based on a previous thread here regarding which gauge to buy. The tire pressure gauge I use is an accurate one.

I realize I was not clear with my original question. What I want to know is IF I have accurate gauges would the water pressure gauge at the inlet-outlet T and the air pressure gauge at the top of the pressure tank both read the same? Meaning that if I get 40# at the inlet-outlet T water pressure gauge as the cut in pressure should I also expect to see 40# at the air pressure gauge from the top of the pressure tank? And, similarly would both read 60# as the cut out pressure?