Hayward Perflex® Extended-Cycle Owners Manual - Page 9

of 12, IS50C, REV C

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PROBLEM PROBABLE CAUSE REMEDY Running at high pressures. 1. D.E. coated with normal accumulation of pool dirt, algae, etc. 2. Overcharge of D.E. 3. Restriction in return line caused by small eyeball fitting. 1. Bump. 2. Bump-Drain-Recharge. 3. Change to larger size fitting. 4. Partially closed valve on return line. 4. Open valve. 1. D.E. coated with normal accumulation of pool dirt, algae, etc. 1. Bump. 2. Pump strainer basket clogged. 2. Clean. 3. Skimmer basket clogged. 3. Clean. 4. Pump impeller vanes clogged. 4. Cleaning with a stiff wire thru the pump strainer opening will usually work. Alternate would be to disassemble-and clean. Drop off of return flow. 5. Air leak on suction side of pump. 5. Check cover gasket, hand knobs, hose, clamps, etc. Replace or tighten as necessary. 6. Electric motor running less than maximum R.P.M. (under 6. Consult pump and motor trouble shooting speed) guide. NOTE: Most motor problems are due to: 1.Undersized or improper wiring. 2. Power cut-backs or a combination of both. 1. D.E. loaded to capacity with pool dirt, algae, etc. 1. Bump-Drain-Recharge. Short cycles. 2. Bumping incorrectly. 3. Bump handle bent. 4. Pump output exceeds design flow rate of filter. 5. Presence of algae. 2. Slow down stroke - brisk upstroke. Repeat 6 times. 3. Check and straighten or replace. 4. Check GPM/LPM output. Regulate pump GPM/LPM output to max. filter GPM/LPM rating. 5. Super-chlorinate; Bump-Drain-Recharge as needed. Contaminated (clogged) Flex-Tube braids caused by: Clean Tube Nest Short cycles -- even after proper bumping, draining, and recharging a. Natural accumulation of chemical deposits (accelerated if chemicals are fed thru skimmer). b. Running D.E. charge too long with excessive amount of live algae present in pool. c. Operating filter without D.E. d. Operating too long without D.E. after starting pump. D.E. must be added as soon as filter is full of water and pump is putting out a steady stream. IMPORTANT - Testing a new pool plumbing system without adding D.E. will cause this type of clogging. a) Cleaning: Remove tube nest and hose down with forceful stream of clean water. Brush to remove fine particles. b) Detergent Cleaning: Remove tube nest and hose down with forceful stream of clean water. Soak tube nest in strong solution of laundry detergent (such as Cheer) and warm water. Hose down again. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 9 of 12 PERFLEX™ Filtration Series IS50C REV C

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USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Page 9 of 12
PERFLEX
™ Filtration Series
IS50C
REV C
PROBLEM
PROBABLE CAUSE
REMEDY
Running at high
pressures.
1. D.E. coated with normal accumulation of pool dirt, algae,
etc.
2. Overcharge of D.E.
3. Restriction in return line caused by small eyeball fitting.
4. Partially closed valve on return line.
1. Bump.
2. Bump-Drain-Recharge.
3. Change to larger size fitting.
4. Open valve.
Drop off of return flow.
1.
D.E. coated with normal accumulation of pool dirt,
algae, etc.
2.
Pump strainer basket clogged.
3.
Skimmer basket clogged.
4.
Pump impeller vanes clogged.
5.
Air leak on suction side of pump.
6.
Electric motor running less than maximum R.P.M. (under
speed)
1. Bump.
2. Clean.
3. Clean.
4. Cleaning with a stiff wire thru the pump
strainer opening will usually work.
Alternate would be to disassemble-and
clean.
5. Check cover gasket, hand knobs, hose,
clamps, etc. Replace or tighten as
necessary.
6. Consult pump and motor trouble shooting
guide.
NOTE:
Most motor problems are due to:
1.Undersized or improper wiring.
2.
Power cut-backs or a combination of
both.
Short cycles.
1. D.E. loaded to capacity with pool dirt, algae, etc.
2. Bumping incorrectly.
3. Bump handle bent.
4. Pump output exceeds design flow rate of filter.
5. Presence of algae.
1.
Bump-Drain-Recharge.
2.
Slow down stroke - brisk upstroke.
Repeat 6 times.
3.
Check and straighten or replace.
4.
Check GPM/LPM output. Regulate pump
GPM/LPM output to max. filter GPM/LPM
rating.
5.
Super-chlorinate;
Bump-Drain-Recharge
as needed.
Short cycles --
even after proper
bumping, draining,
and recharging
Contaminated (clogged) Flex-Tube braids caused by:
a. Natural accumulation of chemical deposits
(accelerated if chemicals are fed thru skimmer).
b. Running D.E. charge too long with excessive amount
of live algae present in pool.
c. Operating filter without D.E.
d. Operating too long without D.E. after starting pump.
D.E. must be added as soon as filter is full of water and
pump is putting out a steady stream.
IMPORTANT —
Testing a new pool plumbing system
without adding D.E. will cause this type of clogging.
Clean Tube Nest
a)
Cleaning: Remove tube nest and hose
down with forceful stream of clean
water.
Brush to remove fine particles.
b)
Detergent Cleaning: Remove tube nest
and hose down with forceful stream of
clean water. Soak tube nest in strong
solution of laundry detergent (such as
Cheer)
and warm water.
Hose down
again.