EasyPro PA90AD Owner's manual

Rocking Piston Aeration Systems
Diused Aeration Systems
Installation • Operation
Maintenance Guidelines
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2
Thank you for your purchase!
This aeration system will be a great benet to the aquatic ecosystem in which
you are placing it. Please read though the following guidelines completely before
installation and operation of your aeration system.
Safety Warnings
• Use extreme caution when operating in winter. Danger due to thin ice can
cause drowning. Unseen currents can cause thin ice in areas long distances
away from diuser operation. Provide adequate warning for others using a
pond with a diused aeration system.
• The surface of the compressor will be hot during operation. This is normal —
be careful not to touch the compressor while it is running.
• Units must be connected to GFCI protected outlets.
• Avoid using extension cords to operate compressor.
• Keep children or pets away from operating units
• Always disconnect power when servicing system.
• Relieve pressure from system before servicing.
Operation
• All of our compressors are designed for continuous operation. It is not uncom-
mon for these compressors to run 24 hours per day for three to ve years. The
only maintenance required is replacement of wearable items (diaphram, piston
ring, vanes, etc.) when needed and keeping lter clean.
CAUTION: All compressors in these kits are designed for oil-free opera-
tion. Never oil or lubricate the compressors.
• In addition to adding oxygen to your pond, an aeration system creates a circu-
lation action. It takes hours for the maximum eect to be achieved, therefore
we recommend running these systems continuously so that maximum circula-
tion is sustained.
Summer Time Start Up
CAUTION: If you are installing this system at a time when your pond
is already stratied (warm on surface, cold on bottom), you should be
careful when rst starting the aeration system. If the stagnant water on the pond
bottom is stirred up too fast, a temporary increase in oxygen demand will occur
and, in rare cases, a sh kill could result. If your pond is severely stratied, you
should only run your system one to two hours the rst day. Each day after that,
increase the run time by one to two hours during the rst week, run continuously
after that. This will slowly mix the bottom water without a sudden depletion of
oxygen.
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Installation Precautions
• The air diuser should not be placed in the deepest part of the pond. Try to
locate the diuser at approximately
2
/
3
to
3
/
4
of the deepest point (a 15' deep
pond would have the diuser at approximately 10' to 12' deep). This allows
the deepest water to remain cool in the summer and stay warm in the winter.
• If you purchased your aeration system without weighted tubing, you will need
to supply small weights such as chimney bricks, pipe or rerod. Strap the
weights securely around the tubing to bring it to the bottom.
• If your pond freezes during the winter, be sure the tubing is buried leading
into the pond. If not, the ice can form around the tubing, kinking it or possibly
shearing it o.
CAUTION: Locate all utilities before digging to ensure safety of installer
and others.
Aeration System Details
Base Kit Maximum* Maximum Diffuser Cabinet
Part # Pond Size Depth Assembly Compatibility
PA34 1 acre 40' (1) EPMD1 SC18, SC22, SC25
PA34-2 1
1/2
acres 40' (2) EPMD1 SC18, SC22, SC25
PA66 3 acres 40' (3) EPMD2 SC18, SC22, SC25
PA86 4 acres 40' (4) EPMD2 SC22
PA90 4 acres 40' (2) EPMD4 SC22
*Factors such as pond depth and pond shape will aect maximum pond size
Note: Kits are available with multiple tubing options (non-weighted, quick sink, mix and match).
Part # column reects generic kit type.
Compressor Specications
Base Kit Maximum Operation Cost
Part # Compressor* Horsepower Cfm per 24 Hours**
PA34 ERP25 1/4 hp 2.5 37¢
PA66 ERP50 1/2 hp 5.2 $1.00
PA86 ERP75 3/4 hp 7.5 $1.38
PA90 ERP75 3/4 hp 7.5 $1.38
*Compressors all carry a two year warranty from date of purchase. See compressor instructions
for warranty details.
**Cost calculated at 9¢ per kwh, continuous operation at 10' depth. Actual operational cost will
depend on unique application.
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Compressor Placement
It is critical that the air compressors be protected from the weather. You will
need to provide a shelter for your compressor to protect it from rain, snow and
other harsh elements.
• Be sure your shelter is adequately ventilated.
• Be sure the compressor does not sit directly on the ground, as the vibration
from the motor will cause dust and dirt particles to be pulled into the motor
and may cause premature failure.
• If operating compressor in freezing climates do not place compressor in
“heated” buildings. Warm air holds more moisture. This warm air may conden-
sate and freeze in the colder outdoor line.
• Ensure that compressors are placed where they will not become ooded with
water.
• If possible, shaded areas are preferred.
• In areas with limited electrical supply, com-
pressors can be placed long distances from
the pond edge. A remote access valve as-
sembly can be fed from the compressor with
properly sized tubing.
Cabinet Placement
• If installing a Sentinel Deluxe Aeration System, place the cabinet on a level,
unobstructed base to ensure the compressor does not overheat.
• A post mounted cabinet should be kept free from high weeds and other ob-
structions.
Diuser Placement
The amount of surface area an aeration system will eectively cover is greatly
dependent on two factors - DEPTH and SHAPE. The deeper an air diuser is
located, the more boiling action it will create and a larger area will be aerated.
The diagram below shows how much surface area is eectively aerated per
air diuser at various depths. Ponds that are irregular or odd shaped will also
reduce size of aeration area — call our technical department for additional help.
Example:
Our PA34 pond aerator
would aerate only 1
/8
of an acre if operated
in 4' deep water, while
aerating up to 1 acre
if operating in 12' - 16'
deep water.
The shape of a pond aects
the amount of diusers
needed. Irregular shaped
ponds often require multiple
diusers to adequately aerate
entire water column.
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AirDiffuser
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General Assembly Instructions
1. Unpack the aeration system to ensure all parts were received. If a shortage
occurs, please notify EasyPro immediately.
2. Assemble diusers, detailed instructions included with each diuser assembly.
NOTE: Video walkthrough of diuser assembly and installation found at:
easypropondproducts.com/diuser-assembly
Diuser Assembly
1. Barbed check valve is designed to
be used with
1
/
2
" and
3
/
8
" tubing.
Remove end of barb if installing
1
/
2
"
tubing.
Cut barbed tting here
for 1/2" I.D. tubing
Check valve shown
here, do not remove.
4. Remove plug on the top of the base
and ll about half full (3 to 5 lbs.) with
sand, rock or gravel.
2. Slip hose clamp over barbed check
valve and push tubing tightly onto
the tting.
3. Use washer on both sides of base.
Insert bolt and tighten nut to clamp
down tubing and provide strain relief.
General Assembly Continued
3. Unroll the entire roll of tubing. It is recommended that the pond diuser be
installed at this point. This will allow you to trim any unused tubing before at-
taching to the compressor outlet assembly.
4. Connect the valved outlet assembly to the compressor. Once tubing is in
place and trimmed, attach the other end of the tubing to the exible hose on
the compressor.
5. Open the valves on the outlet assembly to their full open position. Plug the
compressor into a GFCI outlet and adjust each valve to equal the air ow to
each diuser. This corrects the dierence in air ow caused by a dierence in
operating depth and/or tubing lengths.
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Maintenance Guidelines
• Keep your compressor clean. Any excess dust and debris on motor or air
intake may signicantly shorten the life of the compressor.
• Diusers may need regular cleaning in certain water conditions. This may be
every two to ve years.
• Compressors may need to be rebuilt if running but no longer “pumping air.”
Contact your EasyPro dealer for compressor rebuild kits.
• If lines become frozen, a small amount of denatured alcohol can be run down
the frozen line to thaw it out. The small amount of alcohol will not harm sh or
biological processes in your pond.
After one or two years of operation, you will possibly notice a sudden drop in air
bubbles. This is a sign the compressor needs new piston cup or vanes. Rebuild
kits are available to restore like-new performance. Be sure to keep the air lter
clean. Filters can be washed in soapy water. Replacement lters are available.
Kit Replacement Compressor
Part # Compressor* Filter/Element Repair Kits
PA34 ERP25 ERPF1/ERPF12E ERP25K
PA66 ERP50 ERPF1/ERPF12E ERP50K
PA86 ERP75 ERPF2/ERPF12E ERP75K
PA90 ERP75 ERPF2/ERPF12E ERP75K
*Compressors all carry a two year warranty from date of purchase. See compressor instructions
for warranty details.
Troubleshooting
Compressor Troubleshooting
Low High Compressor Excess
Pressure Pressure Overheating Noise Cause and Solution
• • Dirty air lter, clean or replace
• Valves closed too much, open valves
• • Worn piston cup, rebuild compressor
• Plugged/frozen tubing, inspect and repair
• • Leaky tubing or check valve, inspect and repair
Compressor will not start • Wrong voltage, check power source
Compressor will not start • Miswired electrical components, check wiring
Diffuser Troubleshooting
Low High Uneven Burping
Air Flow Air Flow Air Flow Bubbles Cause and Solution
• • Leak in system, check connections and repair
• • • Manifold not set correctly, adjust placement
• Damaged or torn membrane, replace
• Compressor issue, see above
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Limited Warranty
This limited warranty is against any mechanical or material defects
for a period of (see below) from the date of purchase. Warranty only
covers properly installed and maintained units.
Compressors carry a two year warranty - covered by manufac-
turer’s warranty (consult owners manual for full details).
Air diusers have a ve year warranty.
Weighted tubing has a ve year warranty.
The limited warranty does not cover normal wear and tear, nor any
deterioration suered through overloading, improper use, negligence
or accident. Similarly, any modication made by the purchaser to the
product will cause the warranty to be null and void.
All returned items will be inspected to determine cause of failure
before warranty is approved.
Warranty does not cover any cost associated with the installation or
removal of the product subject to warranty claim.
An RA number must be obtained by calling EasyPro Pond Products
at 800-448-3873. It is your responsibility to pay the return shipping
charges. Be sure to include the RA number, original receipt (in the
form of an invoice or sales receipt), name, return address and phone
number inside of the package. No warranty claims will be honored
without the original receipt.
Ensure the product is properly packaged and insured for the re-
placement value. Damage due to improper packaging is the respon-
sibility of the sender.
The manufacturer or supplier shall not be held liable for any dam-
ages caused by defective components or materials of this product;
or for loss incurred because of the interruption of service; or any
consequential/incidental damages and expenses arising from the
production, sale, use or misuse of this product.
The manufacturer or supplier shall not be held liable for any loss of
sh, plants or any other livestock as a result of any failure or defect
of this product.
Jolie Products, Inc

Boost the Benets of Aeration
EasyPro’s benecial bacteria treatments are proven to work
in conjunction with aeration systems to improve the natural
biological balance and overall water quality. The bacteria
work along the pond bottom, breaking down organic matter
such as leaves, grass clippings, dead algae and sh waste.
[phone] • Grant, Michigan • easypropondproducts.com
4-14
EasyPro bacteria
treatments are
Made in the USA.
“Safe for sh, pets,
wildlife and family!”
Base Kit Part #
Compressor Serial #
Please keep a copy for your records
EasyPro Pond-Vive
The natural, biological way to revive your pond
This special blend of benecial bacteria is designed to:
• Reduce oxygen demand and sludge buildup
• Eliminate excess nutrients and pond odors
• Improve water clarity
Available in 10 lb. and 25 lb. pails with 8 oz. water soluble packs
or as loose powder in bulk 100 lb. drums.
EasyPro Sludge Remover Pellets
Bacteria specically designed to reduce sludge on the
pond bottom
• Great for spot treating around docks and beach areas
• Available in 10 lb. and 25 lb. pails, one ounce of pellets
covers approximately 200-250 square feet of shoreline or
beach area
EasyPro Lake Colorant
Add EasyPro Lake Colorant to give your pond a beautiful look
• Available in blue or black one quart containers
• Nontoxic and compatible with most aquatic herbicides, wa-
ter can be used for swimming and irrigation once dispersed
• Concentrated formula, one quart treats one acre of
water 3' - 6' deep
Jolie Products, Inc