has someone taken the valve part recently? And which model hayward valve do do you have?has someone taken the valve part recently? And which model hayward valve do do you have?
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you dont need a lot of pressure to backwash just make sure water is clean coming out then rinse for 30 sec then put back on filter do not turn valve while filter is running you will ruin multiport gasket
When the filter get clogged the pressure in the filter increases and there is less water flow returning to the pool. If your filter is a sand filter, when you turn the valve to backwash and turn on the pump it reverses the water flow in the sand filter to flush the dirt out of the filter to waste. Look at the window openning in the waste pipe and keep the backwashing goinging until you see clear water. Then turn off the pump and move the control valve to Rinse, turn on the pump for a few minutes, this returns the water flow back to normal but the water goes to waste to make sure the sand filter is clean. Turn off the pump and move the control valve to filter and turn on the pump. This mode is the normal operating mode and the pressure gauge in the sand filter will show a drop in pressure. Some pressure gauge shows a red section to indicate when backwashing should be carried out.
FILTER is the valve position when the system is in the normal filtering mode. When you backwash the filter you first need to turn off the pump, place in BACKWASH position, and run the motor for 45 seconds (or until the backwash water is clear). Turn off pump and run in the FILTER position for 15 seconds. Repeat twice more. The RINSE position is to clear any dirt in initial start-up cleaning, plus resetting
filter bed after backwashing. The WASTE position is for
vacuuming directly to waste, lowering pool level, or draining the pool. The CLOSED position is for shutting off all flow through the valve. The RECIRCULATE position allows water to flow from the pump through the valve and directly to the pool.
You will probably only to use the FILTER, BACKWASH and maybe the RINSE valve position. The RINSE position is not as important as indicated by the fact that many backwash valves don't have a RINSE position.
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VALVE SETTINGFUNCTIONS OF VALVE POSITIONSFLOW DIRECTION THROUGH VALVEFILTER
PUMP - TOP - THROUGH FILTER - BOTTOM - RETURN
For normal filtration and vacuuming pool through filter.
BACKWASH
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PUMP - BOTTOM - THROUGH FILTER - TOP - WASTE
For reversing flow for cleaning filter.
RINSE
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PUMP - TOP - THROUGH FILTER - BOTTOM - WASTE
For initial start-up cleaning, plus resetting filter bed after backwashing.
WASTE
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PUMP - WASTE
For vacuuming directly to waste, lowering pool level/draining pool.
CLOSED
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NO CIRCULATION PAST PUMP PORT
For shutting off all flow to filter and pool.
RECIRCULATE
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PUMP - RETURN
For bypassing filter, but circulating pool water. May be plumbed for "off-system" pool
water access. Ideal for Jet-Air® fittings.
WINTER
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VALVE NOT IN USE Ifthis answer does not fix your problem, please comment with additional detailsprior to rating the answer. Positive feedback is appreciated once your problemis solved! Thank you.
The sightglass is designed for backwash only, it allows you to see the degree of clarity in the effluent water. There should not be flow through the sightglass when the filter is in normal operation. Sometimes the pump will be alot louder when you backwash because there is alot less back pressure and it sometimes causes pump cavitation. The pump should quiet down when in normal filter mode. If not, there may be problems with the bearings and/or cavitation.
1st Green water is algee. Kill the algee in the pool. 2nd when you're finished backwashing the filter. Stop pump and move valve handle to rinse position. Then restart pump. Run in rinse mode until glass is clear. Then stop pump again, and move lever to filter position. When you're backwashing, you're reversing the flow of the water through the filter. When you switch directly back to filter, anything left loose in the filter flows back to the pool. When you select rinse, it reverses the flow back to normal, but keeps the water going to the waste outlet until clear, that way that green puff of water will go out the drain. You can get complete manuals from www.haywardnet.com
Disassemble the valve and check the O rings or the spider gasket. If a multi-port ... you are suppose to turn it ONLY in a clock-wise direction.
Since yo mention rinse, Im guessing you have a multiport valve. You will not see much evidence of activity in this mode ... this blows the last little bit of backwash water out the waste line.
You will simply remove the old sand from your pool filter and follow the instructions from your users manual like you are adding sand for the first time. In case you don't have it, I am going to paraphrase it for you below.
1. Be sure correct amount of filter sand media is in tank and
that all connections have been made and are secure.
IMPORTANT: To prevent unnecessary strain on piping system and valving, always shut off pump before switching Filter Control Valve positions.
The correct amout of sand can be determined with this link: http://www.backyardcitypools.com/pool-filters/Filter-Sand-Requirements.htm
2. Set your controls to the backwash position.
3. Prime and start pump according to pump instructions. (be sure all suction and return lines are open), allowing the filter tank to fill with water.
4. Once water flow is steady out the waste line, run the pump
for at least 2 minutes. This initial backwashing of the filter is recommended to remove any impurities or fine sand particles in the sand media.
5. Turn pump off and set valve to RINSE position. Start pump and operate until water in sight glass is clear—about 1/2 to 1 minute. Turn pump off, set valve to FILTER position and restart pump. Your filter is now operating in the normal filter mode, filtering particles from the pool water.
6. Adjust pool suction and return valves to achieve desired
flow. Check system and filter for water leaks and tighten connections, bolts, nuts, as required.
has someone taken the valve part recently? And which model hayward valve do do you have?
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