Hayward Perflex Extended-Cycle Models: EC65A EC75A - Page 9

of 12, IS65ING Rev A, Pomona, CA, Clemmons, NC, Nashville, TN - systems

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Page 9 of 12 IS65ING Rev A cleaner-type preparations) to IMPORTANT - Testing a new pool plumbing chemically dissolve system without adding D.E. will cause this contaminates. Consult your type of clogging. pool dealer for chemical cleaning instructions. 1. Opening or tear in one or more Flex-Tubes. 1. Replace Flex-Tube. D.E. leaking to pool via the return lines 2. Rip or hole in diaphragm gasket. 3. Worn or loose fitting diaphragm gasket (chemicals fed thru suction lines may shorten life of this part). 2. Replace gasket. 3. Replace gasket. 4. Tighten bolts. 4. Loose bolts on tube nest plates. 1. Caking of D.E. under tube sheet. Sometimes 1. Bump-Drain-Recharge more caused by accumulation of sun tan oils, hair or often and reduce the use of oils. floating particles that bind together in a clay- Hard bumping. like form. 2. Overloaded with D.E. Sometimes happens 2. Bump-Drain-Recharge with proper amount of D.E. when last charge of dirty D.E. was not properly 3. Bump more frequently. drained. 3. Filter runs too long between bumping. D.E. leaking Filter check valve worn or stuck open. Clean and/or replace. back to pool via skimmer or main drain. Normal if pool contains: 1. Bump-Drain-Recharge more often. Very short cycles when 1. Very dirty water. 2. Presence of live, vigorously growing algae. vacuuming. Presence of alum or floccing agents, which will 2. Add enough chlorine to control this growth - then vacuum. 3. Vacuum so as to by-pass filter. Avoid using floccing agents. clog filter. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, TN www.haywardpool.com

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Page 9 of 12
IS65ING Rev A
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA
Clemmons, NC
Nashville, TN
www.haywardpool.com
IMPORTANT —
Testing a new pool plumbing
system without adding D.E. will cause this
type of clogging.
cleaner-type preparations) to
chemically dissolve
contaminates. Consult your
pool dealer for chemical
cleaning instructions.
D.E. leaking to
pool via the
return lines
1. Opening or tear in one or more Flex-Tubes.
2. Rip or hole in diaphragm gasket.
3. Worn or loose fitting diaphragm gasket
(chemicals fed thru suction lines may shorten
life of this part).
4. Loose bolts on tube nest plates.
1. Replace Flex-Tube.
2. Replace gasket.
3. Replace gasket.
4. Tighten bolts.
Hard bumping.
1. Caking of D.E. under tube sheet. Sometimes
caused by accumulation of sun tan oils, hair or
floating particles that bind together in a clay-
like form.
2. Overloaded with D.E. Sometimes happens
when last charge of dirty D.E. was not properly
drained.
3. Filter runs too long between bumping.
1. Bump-Drain-Recharge more
often and reduce the use of oils.
2. Bump-Drain-Recharge with
proper amount of D.E.
3. Bump more frequently.
D.E. leaking
back to pool via
skimmer or main
drain.
Filter check valve worn or stuck open.
Clean and/or replace.
Very short cycles
when
vacuuming.
Normal if pool contains:
1. Very dirty water.
2. Presence of live, vigorously growing algae.
Presence of alum or floccing agents, which will
clog filter.
1. Bump-Drain-Recharge more often.
2. Add enough chlorine to control this
growth — then vacuum.
3. Vacuum so as to by-pass filter.
Avoid using floccing agents.