Doheny's 7816 Guide

Silencer Pumps
Item #s 7816 & 7817
10411 80th Avenue Pleasant Prairie,WI 53158|Orders and Customer Care: 1-800-574-7665|Fax: [phone]|Doheny.com
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To prevent potential injury and to avoid unnecessary service calls, read this manual carefully and completely.
SAVE THIS INSTRUCTION MANUAL Use of appointed replacement parts voids warranty.
ATTENTION INSTALLER – THIS MANUAL CONTAINS IMPORTANT INFORMATION
ABOUT THE INSTALLATION, OPERATION, AND SAFE USE OF THIS PUMP THAT MUST
BE PROVIDED TO THE END USER OF THIS PRODUCT. FAILURE TO READ AND FOLLOW
ALL INSTRUCTIONS COULD RESULT IN SERIOUS INJURY. This equipment must be installed
and serviced by a qualied technician. Improper installation can create electrical hazards which could result in
property damage, serious injury or death. Improper installation will void the warranty.
INSTALLATION, OPERATION & PARTS
®

10411 80th Avenue Pleasant Prairie,WI 53158|Orders and Customer Care: 1-800-574-7665|Fax: [phone]|Doheny.com
Symbol means:
▲DANGER
Indicates that if failure to avoid potential hazard,
will cause severe personal injury or death or
property damage.
▲WARNING
Indicates that failure to avoid potential hazard,
could result in severe personal injury or death or
property damage.
▲CAUTION
Indicates that failure to avoid potential hazard, will
or could cause moderate personal injury or
property damage.
INSPECTION
Examine the equipment when received. Notify your
dealer or carrier of any damage or missing parts.
Verify that equipment is of size and model specied.
CHAPTER 1:
IMPORTANT SAFETY INSTRUCTIONS
When installing and using this electrical equipment,
basic safety precautions should always be followed,
including the following:
READ AND FOLLOW ALL INSTRUCTIONS
▲WARNING Pay Attention to Children.
1. To reduce risk of injury, do not permit children to use
or climb on this product. Closely supervise children
at all times. Components such as the ltration
system, pumps, and heaters must be positioned to
prevent children from using them as a means of
access to the pool.
▲WARNING For cord & plug connected units
2. Risk of Electrical Shock. Connect only to a
grounding type receptacle protected by a ground-
fault circuit-interrupter (GFCI). Contact a qualied
electrician if you cannot verify that the receptacle is
protected by a GFCI.
▲WARNING For cord & plug connected units
3. Do not bury cord. Locate cord to minimize abuse
from lawn mowers, hedge trimmers and other
equipment.
▲WARNING For cord & plug connected units
4. To reduce the risk of electric shock, replace
damaged cord immediately.
▲WARNING For cord & plug connected units
5. To reduce the risk of electrical shock do not use
an extension cord to connect unit to electrical
supply; provide a properly located outlet.
▲CAUTION For pumps with/without 3-ft (91m)
cord or 6-ft (1.82m) cord
6. This pump is for use with permanently installed
pools and may also be used with hot tubs and
spas if so marked. Do not use with storable pools.
A permanently installed pool is constructed in or
on the ground or in a building such that it cannot
be readily disassembled for storage. A storable pool
is constructed so that it may be readily disassembled
for storage and reassembled to its original integrity.
▲WARNING For hot tub and spa pumps
7. Do not install within an outer enclosure or beneath
the skirt of the hot tub or spa, unless so marked.
8. SAVE THESE INSTRUCTIONS.
General Warnings
•Never open the inside of the drive motor enclosure.
There is a capacitor bank that holds a 230 VAC
charge even when there is no power to the unit.
•The pump is not submersible.
• The pump is capable of high ow rates, use
caution when installing and programming to limit
pumps performance potential with old or
questionable equipment.
•Code requirements for the electrical connection
differ from state to state. Install equipment in
accordance with the National Electrical Code and
all applicable local codes and ordinances.
•Before servicing the pump; switch OFF power
to the pump by disconnecting the main circuit to
the pump.
▲DANGER: Suction entrapment hazard: Stay off the
main drain and away from all suction outlets. This
pump produces high levels of suction and creates
a strong vacuum at the main drain at the bottom
of the body of water. This suction is so strong that
it can trap adults or children under water if they
come in close proximity to a drain or a loose or
broken drain cover or grate. The use of unapproved
covers or allowing use of the pool or spa when
when covers are missing,cracked or broken can
result in body or limb entrapment, hair entanglement,
body entrapment, evisceration and/or death. The
suction at a drain or outlet can cause:
Limb Entrapment: When a limb is sucked or
inserted into an opening resulting in a mechanical
bind or swelling. This hazard is present when the
drain cover is missing, broken, loose, cracked, or
not properly secured.
Hair Entanglement: When the hair tangles or knots
in the drain cover, trapping the swimmer underwater.
This hazard is present when the ow rating of the
cover is too small for the pump(s).

Body Entrapment: When a portion of the body
is held against the drain cover trapping the
swimmer underwater. This hazard is present when
the drain cover is missing, broken, or the cover
ow rating is not high enough for the pump(s).
Evisceration/Disembowlment: When a person
sits on an open pool (particularly a child wading
pool) or spa outlet and suctions applied directly to
the intestines, causing severe intestinal damage.
This hazard is present when the drain cover is
missing, loose, cracked, or not properly secured.
Mechanical Entrapment: When jewelry, swimsuit,
hair decorations, nger, toe or knuckle is caught
in an opening of an outlet or drain cover. This
hazard is present when the drain cover is missing,
broken, loose, cracked, or not properly secured.
Note: All suction plumbing must be installed
in accordance with the latest national and local
codes, standards, and guidelines.
▲WARNING: To minimize the risk of injury due to
suction entrapment hazard:
• A properly installed and secured ANSI/ASME
A112.19.8 approved anti-entrapment suction
cover must be used for each drain.
•Each suction cover must be installed at least three
(3-ft) feet apart, as measured from the nearest
point to nearest point.
•Regularly inspect all covers for cracks, damage
and advanced weathering.
• If a cover becomes loose, cracked, damaged,
broken or is missing, replace with an appropriate
certied cover.
•Replace drain covers as necessary. Drain covers
deteriorate over time due to exposure to sunlight
and weather.
•Avoid getting hair, limbs or body in close proximity
to any suction cover, pool drain or outlet.
• Disable suction outlets or recongure into return
inlets.
▲WARNING: A clearly labeled emergency shut-off
switch for the pump must be in an easily accessible,
obvious place. Make sure users know where it is
and how to use it in case of emergency.
The Virgina Graeme Baker (VGB) Pool and Spa
Safety Act creates new requirements for owners
and operators of commercial swimming pools and
spas. Commercial pools or spas constructed on or
after December 19, 2008, shall utilize:
A. A multiple main drain system without isolation
capability with suction outlet covers that meet
ASME/ANSI A112.19.8a Suction Fittings for
Use in Swimming Pools, Wading Pools, Spas,
and Hot Tubs and either:
i. A safety vacuum release system SVRS)
meeting ASME/ANSI A112.19.17
Manufactured Safety Vaccum Release
(SVRS) for Residential and Commercial
Swimming Pools, Spa, Hot Tub, and Wading
Pool Suction Systems and/or ASTM F2387
Standard Specication for Manufactured
Safety Vacuum Release Systems (SVRS)
for Swimming pools, Spas and Hot Tubs or
ii. A properly designed and tested suction-
limiting vent system or
iii. An automatic pump shut-off system
Commercial pools and spas constructed prior to
December 19, 2008, with a single submerged
suction outlet shall use a suction outlet cover that
meets ASME/ANSI A112.19.8a and either:
A. A SVRS meeting ASME/ANSI A112.19.17 and/
or ASTM F2387, or
B. A properly designed and tested suction-limiting
vent system, or
C. An automatic pump shut-off system, or
D. Disabled submerged outlets, or
E. Suction outlets shall be recongured into return
inlets.
For installation of Electrical Controls at Equipment
Pad (ON/OFF Switches, Timers, and Automation
Load Center).
▲CAUTION: Install all electrical controls at equipment
pad, such as on/off switches, timers, and control
systems, etc. to allow the operation (start-up, shut-
down, or servicing) or any pump or lter so the
user does not place any portion of his/her body over
or near the pump strainer lid, lter lid or valve
closures. This installation should allow the user
enough space to stand clear of the lter and pump
during system start-up, shut-down or servicing of
the system lter.
▲DANGER: Hazardous pressure: Stand clear of
pump and lter during start-up. Circulation systems
operate under high pressure. When any part of the
circulating system (i.e.locking ring, pump, lter,
valves, etc.) is serviced, air can enter the system
and become pressurized. Pressurized air can
cause the pump housing cover lter lid and valves to
violently separate which can result in severe
personal injury or death. Filter tank lid and strainer
cover must be properly secured to prevent violent
separation. Stand clear of all circulation system
equipment when turning on or starting up pump.
Before servicing equipment, make note of the lter
pressure. Be sure that all controls are set to ensure
the system cannot inadvertently start during
service. Turn off all power to the pump.
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IMPORTANT: Place lter manual air relief valve
in the open position and wait for all pressure in
the system to be relieved.
Before starting the system, fully open the manual
air relief valve and place all system valves in the
‘open’ position to allow water to ow freely from the
tank and back to the tank. Stand clear of all
equipment and start the pump.
IMPORTANT: Do not close lter manual air relief
valve until all pressure has been discharged
from the valve and a steady stream of water
appears. Observe lter pressure gauge and be
sure it is not higher than the pre-service condition.
CHAPTER 2: INSTALLATION LOCATION
General Installation Information
• All work must be performed by a qualied service
professional, and must conform to all national,
state, and local codes.
• Install to provide drainage of compartment for
electrical components.
•These instructions contain information for a variety
of pump models and therefore some instructions
may not apply to a specic model. All models are
intended for use with swimming pool applications.
The pump will function correctly only if it is properly
sized to the specic application and properly
installed.
▲WARNING: Pumps improperly sized or installed or
used in applications other than for which the pump
was intended can result in severe personal injury
or death. These risks may include but not be limited
to electric shock, re, ooding, suction entrapment
or severe injury or property damage caused
by a structural failure of the pump or other system
component.
▲WARNING: The pump can produce high levels of
suction within the suction side of the plumbing
system. These high levels of suction can pose a
risk if a person comes within the close proximity of
the suction openings. A person can be seriously
injured by this high level of vacuum or may become
trapped and drown. It is absolutely critical that the
suction plumbing be installed in accordance with the
latest national and local codes for swimming pools.
Locate pump as close to pool/spa as possible,
preferably in a dry, well ventilated area away from
direct sunlight. It should be on a hard, level surface.
Give consideration to:
1. Drainage – away from pump.
2. Ventilation of pump motor.
3. Access for future servicing and winterizing.
4. Protection from the elements.
CHAPTER 3: GENERAL PLUMBING
For Solvent Weld Connection
Rigid or exible PVC pipe can be used. Pipe ends
should be clean and free of any ash caused by the
cutting operation. Be sure that the proper adhesive
is used on the type of pipe specied. Note: A primer
will assure that adhesive joints are superior.
Suregard P-3000 has a purple tracer to qualify in
areas where codes specify a primer must be used.
Caution: We recommend that you consider
climatic conditions when applying adhesives.
Certain atmospheric situations, such as high
moisture content, make adhesive action of certain
glues less effective. Check the manufacturer’s
instructions.
For Threaded Connections
Use only Teon tape or equivalent on threaded
plumbing connections. Other pipe compounds may
damage threads. We do not recommend the use
of silicone or petroleum based compounds. DO
NOT OVERTIGHTEN – HAND TIGHTEN PLUS ½
TURN IS SUFFICIENT.
CHAPTER 4: PUMP PLUMBING
Suction pipe should be as large or larger than
discharge pipe. Avoid using suction pipe smaller
than pump connection. Keep the piping as straight
and short as possible, and of suitable size. Avoid
connecting an elbow directly into the pump inlet
(use a length of straight pipe to allow a proper
entry for the water). Arrange horizontal runs to
slope upward to the pump to prevent high spots that
could form air pockets. Support the pipe
independently so that it places no strain on the
pump. Keep as much of the suction line as possible
below the water level to reduce priming time. Install
valves and unions in the pump suction and return
lines to facilitate servicing. Valves are recommended
for throttling maintenance if the system is installed
below deck level. Suction valves are essential for
priming all pumps without strainer bodies installed
above water level. Pumps with strainer bodies are
self-priming, nevertheless, we recommend the use
of check valve in the suction pipe at or below the
water level if the suction lift is more that ve feet or
if the dry suction is more that ten feet long. Keep
the valve in the suction line fully open during
operation.
10411 80th Avenue Pleasant Prairie,WI 53158|Orders and Customer Care: 1-800-574-7665|Fax: [phone]|Doheny.com

10411 80th Avenue Pleasant Prairie,WI 53158|Orders and Customer Care: 1-800-574-7665|Fax: [phone]|Doheny.com
CHAPTER 5: ELECTRICAL DATA
Refer to information on motor nameplate for
electrical service data. All motors should have
fused disconnect switch or circuit breaker. Be sure
wire size is sufcient for pump HP and distance from
power source. Wiring should be done in accordance
with applicable codes by a competent electrician.
We recommend the installation of a ground fault
circuit interrupter for maximum safety
CHAPTER 6: PUMP START UP
Gravity Fed Above Ground Pumps
Do not operate pump until it has been primed as
water acts to cool and lubricate the seal. For pumps
without strainer bodies and located above water,
close suction line valve and ll pump with water
in order to prime.
Self Priming Inground Pumps
For pumps with strainer bodies and located above
water, prime by removing strainer cover and lling
strainer body with water. Pumps located below
water level will selfprime if all piping is also below
water level. After pump has been primed, energize
motor and open all suction and discharge line
valves. It may take some time for pump to remove
air from suction lines. If no ow is observed in ve
minutes, stop the motor and re-prime. If the pump
fails to operate, check for air leaks. Refer to Trouble
Shooting section. After about ten minutes of
operation, check the return ttings for air bubbles.
A continuous ow of air indicates leaks in suction
line. Locate and correct any leaks immediately.
Controlling the Output
Keep the gate valve in the suction line fully open
during operation. Should it be necessary to control
the output, use a valve in the return line
Caution: Do not retighten strainer Ring-Lok during
operation.
Caution: Do not operate pump with closed suction
or discharge valves.
CHAPTER 7: WINTERIZING
Consult your dealer for advice on winterizing your
equipment if freezing temperatures occur in your
locality. His knowledge of your equipment makes
him the best qualied source of information. Follow
his recommendations, and if these include draining
the lter system, proceed as follows:
1. If your system does not contain a lter, proceed
to step 2.
A. For sand lters: BACKWASH for 3 to 5
minutes and set dial valve to WINTERIZE.
B. For cartridge lters: Clean the lter element
and store in a dry place.
2. Drain system by loosening drain plugs (drain
plugs will drain without completely removing
the plug from unit) and/or removing pipe caps.
CHAPTER 8: WATER CHEMISTRY
A proper and consistent use of chemicals is
necessary to maintain clean, sanitary water, prevent
a spread of germ infection and control the growth of
algae which can spoil the appearance and
enjoyment of your pool or spa. Chlorine is the most
commonly used chemical to provide clean, sanitary
water. Either dry or liquid chlorine (calcium or
sodium hypochlorite) can be used which should be
added daily as it is dissipated by dirt, germs, sun
and wind. It is also important that the correct level
of acidity or alkalinity of the pool water be
maintained. This is the pH of your pool with pH 7.0
being neutral. Readings above 7.0 are alkaline and
below are acid. A desirable range is 7.2 – 7.4.
CHAPTER 9: PUMP MAINTENANCE
1. Motors are self-lubricating – no lubrication is
required.
2. Clean hair & lint strainer if you have a strainer
body pump.
3. Visually inspect motor for blockage of air vents
on motor shell. Remove any debris after
breaker off.
4. Shaft seals may become worn and must be
replaced if leakage is observed.
CHAPTER 10: CLEANING
Switch power off. Close valves in suction and return
line. Unscrew strainer Ring-Lok counterclockwise
and remove the strainer cover from hair and
lint strainer and lift out strainer basket. Clean and
replace the basket. Take care to seat basket
properly. Clean O-Ring and re-lubricate with a
non-pretroleum based lube, try Jack’s Magic Lube.
Clean O-Ring seats on cover and strainer. Ret
cover and strainer – hand tighten only – and open
valves. Put pump back into operation. Caution: Do
not retighten strainer during operation.
CHAPTER 11: SERVICE & REPAIR PARTS
Order all repair parts through your dealer. Give the
following information when ordering repair parts:
1. Unit nameplate data.
2. Description of part

CHAPTER 12: TROUBLESHOOTING
Motor Does Not Start
1. Disconnect switch or circuit breaker in OFF
position.
2. Fuses blown or thermal overload open. Locked
motor shaft.
3. Motor windings burned out.
4. Defective starting switch inside single-phase
motor
5. Disconnected or defective wiring
6. Low voltage
Motor Does Not Reach Full Spreed
1. Low voltage
2. 2-speed model set on low speed
3. Motor windings connected for wrong voltage
on dual voltage model.
Motor Overheats (Protect trips)
1. Low voltage
2. Motor windings connected for wrong voltage
on dual voltage model.
3. Inadequate ventilation
Pump Delivers No Water
1. Pump is not primed
2. Closed valve in suction or discharge line
3. Leakage or air into suction system
4. Impeller clogged
Low Pump Capacity
1. Valve in suction or discharge line partly closed
2. Suction or discharge line partly plugged
3. Suction or discharge line too small
4. Pump running at reduced speed (see above)
5. Plugged basket in skimmer or hair and lint
strainer
6. Dirty lter
7. Impeller clogged
8. Wrong rotation (3 phase only)
Low Pump Pressure
1. Pump running at reduced speed (see above)
2. Wrong rotation (3 phase only)
3. Discharge valve or inlet ttings closed too much
High Pump Pressure
1. Discharge valve or inlet ttings closed too much
2. Return lines too small
3. Dirty lters
Noisy Pump and Motor
1. Plugged basket in skimmer or hair in lint strainer
2. Worn motor bearings
3. Valve in suction line partly closed
4. Suction line partly plugged
5. Vacuum hose plugged or too small
6. Pump not supported properly
Leakage of Water at Shaft
1. Shaft seal requires replacement
Air Bubbles at Inley Fittings
1. Leakage air into suction line at connections or
valve stem
2. Cover gasket of hair and lint strainer needs
cleaning
3. Restriction in suction line
4. Low water level in pool
NOTE: If the recommendations in the Trouble-
shooting portion of this manual do not solve
your particular problem(s), please contact
Doheny’s.
CHAPTER 13: TECHNICAL DATA
ITEM# HP VOLT / HZ AMPS RPM
7816 1 230V/115V 60HZ 10A / 3.2A 3450
7817 1.5 230V/115V 60HZ 12A / 3.6A 3450
10411 80th Avenue Pleasant Prairie,WI 53158|Orders and Customer Care: 1-800-574-7665|Fax: [phone]|Doheny.com

10411 80th Avenue Pleasant Prairie,WI 53158|Orders and Customer Care: 1-800-574-7665|Fax: [phone]|Doheny.com
In-ground Silencer Pumps Item #’s 7816 & 7817
REF PART DESCRIPTION No.
No. NUMBER REQ’D
1 647276571 Cover 1
2 65431042080 O-Ring 1
3 647252704001 Basket 1
4 647276501080 Pump Housing 1
5 65432040080 O-Ring 1
6 648910604080 Diffuser 2
7a 89106101 Impeller for 7816 1
7b 89106201 Impeller for 7817 1
8 65028026000 Seal Assembly 1
9 65431121080 O-Ring 1
10 648910602080 Pump Cover 1
11 5225007000 Screw 3/8-16UNC*25.4mm 4
12 65244015000 Gasket M10 8
13 648910603080 Over Cover 1
14a 65023076000 1.0HP Motor for 7816 1
14b 65023077000 1.5HP Motor for 7817 1
15 5225008000 Screw 3/8-16UNC*50.8mm 4
16 647254205080 Supporting Foot 1
17 648910608080 Mounting Foot 1
18 65212013000 Screw ST4.8*25 2
19 65432002080 Gasket 2
20 648860105080 Drain Plug 2

General Maintenance
1. Clean strainer basket regularly. Do NOT strike
basket to clean. Inspect strainer cover gasket
regularly and replace as necessary.
2. Pumps have self-lubricating motor bearings and
shaft seals. No lubrication is necessary.
3. Keep motor clean. Ensure air vents are free from
obstruction to avoid damage. Do NOT use water
to hose off motor.
4. Occasionally, shaft seals must be replaced, due to
wear or damage.
Storage/Winterization Maintenance
1. Do not purge the system with compressed air. Use only a low
pressure (below 5 psi), high volume blower when air purging
the pump, filter or piping.
2. Allowing the pump to freeze will void the warranty.
3. Use ONLY propylene glycol as antifreeze in your pool/spa system.
4. Drain all water from pump and piping when expecting
freezing temperatures or when storing pump for a long time.
5. Keep motor dry and covered during storage. To avoid
condensation/corrosion problems, do NOT cover or wrap
pump with plastic film or bags.
1 Year Limited Doheny's Pool Pump Warranty
Please read installation instructions before installing pool pump
This pump was inspected before shipment from our warehouse. To original purchasers of this pump, Doheny
Enterprises, Inc., 10411 80th Ave, Pleasant Prairie, WI, warrants its products free from defects in materials and
workmanship for a period of ONE (1) year from the date of purchase.
Parts which fail or become defective during the warranty period, except as a result of freezing, negligence,
improper installation, use, or care, shall be replaced, at our option, without charge, within 90 days of the receipt
of defective product, barring unforeseen delays.
After 90 days, to obtain warranty replacements, defective components should be returned, transportation paid, to
the place of purchase. For further Doheny’s service, contact Doheny’s customer care department. No returns may
be made directly to the factory without the express written authorization of Doheny Enterprises, Inc.
To original purchasers of this pump, Doheny Enterprises, Inc. warrants its pump housing/strainer to be free from
defects in materials and workmanship for a period of ONE (1) year from the date of purchase.
Strainers which become defective during the warranty period, except as a result of freezing, negligence, improp-
er installation, use or care, or as the result of a use in association with an automatic valving system.
All other conditions and terms of the standard warranty apply.
Doheny shall not be responsible for cartage, removal and/or reinstallation labor or any other such costs incurred
in obtaining warranty replacements.
The Doheny Enterprises, Inc. warranty does not apply to components manufactured by others. For such products,
the warranty established by the respective manufacturer will apply.
Some states do not allow a limitation on how long an implied warranty lasts, or the exclusion or limitation of inci-
dental or consequential damages, so the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.
10411 80th Avenue Pleasant Prairie,WI 53158|Orders and Customer Care: 1-800-574-7665|Fax: [phone]|Doheny.com