High Pressure: STARITE 1.5 hp pump designed to generate 20psi, system is jumping to 40 psi within hours of cleaning cartridge filters. Filters don't look to dirty, but we replaced them anyway and still have the same pressure problem. Is it an impeller issue?
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Re: High Pressure: STARITE 1.5 hp pump designed to
It is a cartridge issue in my opinion. I dont recommend cartridges ... Sand is so much superior as a filter medial. If this is an option for you ... I recommend it. If not an option, you might be able to get a different type cartridge that will filter at a lower rate and not get as dirty as fast ...
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The 34 psi of the pressure tank sounds high, but it depends on what the cut-in pressure is set at in the pump pressure switch. Typically the pressure switch is for 20-40 psi or 30-50 psi. To establish what the pre-charge of tank should be , you need to establish what the pressure switch setting are (i.e 20 - 40 psi , etc.) Run the water and watch the pressure gauge and note at what pressure the pump comes on. The pressure tank needs to be pre charged 2 -4 psi below that cut-in pressure. So if the cut-in pressure is say 30 psi, then the tank needs to be pre charged to 28 psi.
To pre charge the pressure tank, turn the pump off. Drain the pressure tank of water to relieve all pressure in the tank. Then check the pressure of the tank at the air valve. Set the pressure to 2 psi below what the cut-in pressure is.
If you adjust the pressure switch, say from 20-40 to 30-50, you will need to go through the procedure of re adjusting the pressure in the tank. I hope this helps....
DOES THIS SYSTEM FEED YOUR HOME.DOES IT HAVE PSI TANK. WHAT COULD BE HAPPENING.IS.THERE IS A PRESSURE SWITCH (fyg-2) THAT WAS INSTALLED ON YOUR SYSTEM. THIS ITEM, DEPENDING ON IT'S MANUFACTURE.COME PRESET AT 20/40 PSI OR 30/50 PSI OR 40/60 PSI. THAT MEANS ON START/OFF START PSI. SO IF YOUR PUMP CONTINUES TO PUMP AND WON'T TURN OFF.YOUR SYSTEM PUMPS MAY HAVE SOME WEAR TO IT OR A POSSIBLE HOLE IN THE DROP PIPE THAT IS NOT ALLOWING YOUR SYSTEM TO REACH PSI THAT IT SET FOR. ALL U HAVE TO DO IS READJUST THE PRESSURE SWITCH TO THE PSI READING THAT IS ON PSI GAUGE.
It all depends on the outside (ambient) air temperature. Your A/C low pressure switch is designed to turn the compressor off at 24 Psi. and turn it back on at 45 Psi. Most systems will normally run at between 25 and 40 Psi when the system is running on HIGH blower and "MAX" or "RECIRCULATE". A system that is fully charged may run at 25 Psi when the ambient temperature is 75 Deg. (F) and may run at 40 Psi when the ambient temperature is at 90 Deg. (F). (it can be even higher if ambient temperatures are higher than 90 Degrees.)
To properly diagnose a malfunctioning A/C system, the HIGH side pressure must also be checked. Restrictions in the system can make the low side pressure look normal while the high side pressure is high enough to blow hoses apart. (400+ Psi.)
A piston in any engine should be around 100 psi I would guess. A Chevy 350 used to be around 150 psi. An air compressor that only pumps enough air to reach 20psi is obviously too low on compression. Nailers and the like need 80 or more psi. The intake valves may be shot, the unloader might be stuck or piston rings are worn.
You have a defective pressure switch.But replacing the switch. Do the following; Open the pressure switch cover, and find the two adjusting nuts. One is for the cut-off pressure (40psi) and the other is for the cut-in pressure (20 psi). Adjust the the nut with a longer stem counter clockwise (loose) with the pump running. Take care not to touch the power line attach to it. Continue the adjustment until the pump stops, at 40 psi. Then, observe - Pump must stop once the pressure is attained. Then, open the valve until it start (20psi).. Then you can adjust the other nut to cut in at 20 psi. To prime the pump; open and fill the priming port full with water.and replace the priming port plug. Set the water flow control valve at full close position. Switch the power on to run the pump and slowly open the control valve to appropriate setting such that the pump doesn't lost the suction. Send your e- mail for further comment. God bless u