Pentair Hydromatic osp50 Manual

269 TRILLIUM DRIVE, KITCHENER, ONTARIO, CANADA N2G 4W5

PH: 519-896-2163

293 WRIGHT STREET, DELAVAN, WI 53115 WWW.HYDROMATIC.COM

PH: 888-957-8677

InstallatIon and servIce Manual

OSP50/OSP50AB

Submersible Effluent Pumps

NOTE! TO THE INSTALLER: Please make sure

you provide this manual to the owner of the

pumping equipment or to the responsible party

who maintains the system.

Now Includes

OSP50AB

Parts List

Thank you for purchasing your

HYDROMATIC®pump. To

help ensure years of trouble-free

operation, please read the

following manual carefully.

Before Operation:

Read the following instruc-

tions carefully. Reasonable care

and safe methods should be

practiced. Check local codes and

requirements before installation.

Attention:

This manual contains important

information for the safe use of

this product. Read this manual

completely before using this

product and refer to it often

for continued safe product use.

DO NOT THROW AWAY OR

LOSE THIS MANUAL. Keep

it in a safe place so that you may

refer to it often.

WARNING: Before handling

these pumps and controls,

always disconnect the power

first. Do not smoke or use

sparkable electrical devices or

flames in a septic (gaseous) or

possible septic sump.

California Proposition 65

Warning

This product and

related accessories contain

chemicals known to the State of

California to cause cancer, birth

defects or other reproductive harm.

To reduce risk of electrical shock:

1. Risk of Electrical Shock:

This pump has not been

investigated for use in

swimming pool areas.

2. Risk of Electrical Shock:

Connect only to a properly

grounded receptacle.

Septic tank is to be vented

in accordance with local

plumbing codes.

Do not smoke or use sparkable

electrical devices or flame in

a septic (gaseous) or possible

septic sump.

If a septic sump condition

exists and if entry into sump is

necessary, then (1) provide

proper safety precautions per

OSHA requirements and (2)

do not enter sump until

these precautions are strictly

adhered to.

Do not install pump in loca-

tion classified as hazardous per

N.E.C., ANSI/NFPA 70-2001.

Failure to heed above cautions

could result in injury or death.

General

Information

Pump

Warning

7. For proper automatic oper-

ation, make sure the pump

power cord is plugged into the

piggyback receptacle on the

diaphragm switch cord.

8. Connect to separate electri-

cal circuit taken directly from

main switch.

9. Use steel or plastic pipe for

all connecting lines between

pump and sewer outlet.

NOTE: Some city regulations

do not allow installing a pump

with plastic pipe. Check local

regulations.

10.In applications where the pump

may sit idle for months at a

time, it is recommended that

the pump(s) be cycled every

month to ensure the pump-

ing system is working properly

when needed.

11.HYDROMATIC check

valve should be installed in

discharge pipe at least 12"

above the discharge outlet

of the pump.

12.For greater protection, an

audible alarm, such as the

Hydromatic Q Alert, should

be used with all pump instal-

lations to indicate a high water

condition exists.

Installation

Instructions

These important instructions

must be followed for satisfactory

performance of your pump:

1. Provide proper sump (rec-

ommended minimum sump

diameter is 18").

2. Do not set pump directly on

the bottom of the sump if it

is not solid. Raise the pump

by placing bricks or concrete

blocks underneath it.

3. Make sure sump is free of

string, cloth, nails, gravel, etc.

before installing pump.

4. Pump is to be connected to a

properly grounded, grounding

type receptacle only.

5. Do not remove ground pin

from electrical plug.

6. Do not use an extension cord.

Pump

Installation

OSP50 Shown

Pump

Servicing

Read the following instruc-

tions carefully before replac-

ing any parts. Reasonable care

and safe methods should be

practiced. Check local codes and

requirements before installa-

tion. Only competent electricians

should make the installations.

Servicing should be performed

only by knowledgeable pump

service contractors or authorized

service stations.

WARNING: Always disconnect

the pump from power source

before handling or making any

adjustments. Always wear

rubber boots when there is

water on the floor and you must

unplug the pump or make any

adjustments.

1. Removing pump from sump.

Before removing pump from

sump for repair, check to see

if the trouble could simply be

a blown fuse, tripped circuit

breaker, or a power cord not

completely inserted into the

receptacle.

NOTE: Automatic ther-

mal overload protects the

sealed-in oil motor. Running

dry may overheat the motor

and activate the overload

protector. This will close the

circuit when the motor cools

and allow pump to restart. If

condition continues to exist,

it may cause premature pump

failure.

Unplug the power cord and

pull the pump, by the handle,

from the sump. Sandblast, if

possible, any dirt or trash from

the outside of the pump before

dismantling.

2. Check diaphragm switch.

If the unit is being operated

by the automatic diaphragm

switch, unplug the pump from

the piggyback receptacle and

plug the pump directly into

the power source. If the pump

starts each time it is plugged

directly into the receptacle and

does not start each time when

plugged into the piggyback

switch with the diaphragm

switch pressed into a start

position, replace the complete

piggyback switch assembly and

retest with the new assembly.

3. Check for impeller blockage.

Check for an obstruction in the

impeller cavity by laying the

pump on its side and inserting

a screwdriver through the hole

in the foot and baffle plate

(28) and the bottom plate (26)

and turning the rotor and shaft

(16). It should turn freely. If

the impeller hangs up or there

is an indication of impeller

blockage, the foot and baf-

fle plate must be removed

by removing the three hex

head cap screws (29) and the

bottom plate removed

by removing the five hex

head cap screws (27). Clear

the impeller of its obstruc-

tion and clean the impeller,

and reassemble.

4. Check power cord. Check the

power cord (5) for brittleness

or for any cuts or nicks in

the insulation. Using an

ohmmeter, check the

continuity of the power cord.

If any of these tests fail,

the power cord should be

replaced. To replace power

cord, unscrew the nut on the

cord, pull cord up and discard

damaged power cord. Add

pipe sealant to threads and

reinstall by pushing cord onto

pins and tighten nut.

5. Check for air lock. A sump

pump is said to be air locked if

water traps in the pump and it

cannot get out, thus preventing

pump from operating.

TOTAL DYNAMIC HEAD-FEET

010 20 30 40 50 60

CAPACITY–U.S. G.P.M.

1/2 HP

HYDROMATIC pumps

have a small air vent hole

in the impeller cavity to let

out trapped air. If this hole

becomes plugged, pump may

air lock. To break the air

lock, use a small screw-

driver to clear hole in the

impeller cavity.

As a secondary precaution in

installations of this type —

1⁄16" hole should be drilled

in the discharge pipe below

the check valve. The check

valve should be 12 to 18 inches

above pump discharge. Do not

put check valve directly into

pump discharge opening.

NOTE: In sumps where the

pump is operating daily, air

locking rarely occurs.

6. Check the oil. Remove the

pipe plug (4) in the top of the

motor cover and drain oil into

a clean, dry container. A milky

appearance to the oil indicates

that water has entered through

either worn out or damaged

seals (23, 24), seal ring (20),

or cord nut.

7. Remove the motor cover.

Remove the four hex head cap

screws (22). Use a screwdriver

to pry the motor cover (19)

from the volute case (21) at

the fastening ears, being care-

ful not to cut the seal ring

(20) with the screwdriver or

crack the motor cover. Lift

the motor cover until it clears

the stator (15).

8. Check for short. Disconnect

the stator leads (7, 8, 9) from

the connector (6). Use an

ohmmeter to check the

continuity of the stator. If

stator fails to pass the

continuity test, it must

be replaced.

9. Remove the stator. To remove

the stator, remove the four hex

head screws (12) and the stator

plate (13). Lift the stator

off the volute case (21) and

set aside.

10.Remove the impeller. To

remove the impeller (25), hold

the rotor (16) in your hand

and tap the impeller with

a plastic or rubber mallet

so as to turn the impeller

counterclockwise.

11.Check the seal. Remove

the rotating portion of seal

(24) from shaft by inserting

a screwdriver under the edge

of the seal and lifting it off

without damaging seal. Inspect

the seal face for any nicks or

an uneven seating of seal face.

If any are present, replace the

seal. (See Step 14.)

12.Remove rotor and shaft.

Tap the rotor shaft (16) at

the impeller end of the shaft

with a plastic mallet to remove

the rotor and shaft. Inspect

the bearings (17). If they do

not rotate freely and smoothly,

they should be replaced. When

new bearings are ready to be

added onto the shaft, do not

push on outer face of bearings.

This will damage bearings. If

a rotor and shaft are ordered

from HYDROMATIC, the

bearings will be supplied

already pressed on the shaft.

Pump

Servicing

Do not fill the motor housing

completely — allow airspace

for oil expansion.

21.Reinstall oil pipe plug. Coat

pipe threads with thread seal-

ant before installing.

22.Check pump. Plug the power

cord into a grounded outlet

and start pump by applying

pressure to the switch dia-

phragm (automatic only —

manual should start when

power is applied). Motor

should run smoothly, be free

of vibration and stop when

pressure is removed.

18.Reinstall the stator. Place the

stator (15) in the volute case

(21) so the stator bolt holes

line up. Lay the stator plate

(13) on the stator (15) and line

up with stator bolt holes. Put in

the stator bolts (12) and tighten

evenly to prevent cocking of

the stator. Push the connectors

of the power cord onto the

stator terminals.

19.Reinstall motor housing.

Tighten down the four hex

head cap screws (22) evenly

to prevent cocking of motor

housing and achieving

an uneven seal on the seal

ring (20).

20.Oil. Fill the motor cap with

high grade transformer oil such

as WOCO Premium 100 oil or

equivalent to at least 1⁄4" over

motor windings (.54 gallon).

13.Remove seal. Remove the old

stationary portion of the seal

(23) from the case (21) by

inserting a screwdriver into the

seal housing of the case from

the top of the case and tapping

lightly with a hammer. Clean

the seal area of the case with a

clean cloth.

14.Reinstall the rotor and shaft

assembly. Push on outer face

to seat bearing in volute case.

15.Reinstall seal. Apply an oil

lubricant to the new stationary

portion of the seal (23) and

press into the case (21). Coat

the new rotating portion of

seal with lubricant and press

into place on the rotor shaft

with the rubber ring facing

the impeller.

16.Reinstall impeller. Add a drop

of Locktite 277 to the shaft

and screw the impeller on

hand tight. The impeller will

force the rotating portion of

seal into position.

17.Replace seal ring. Remove

the old square seal ring (20)

from the volute and stretch

on a new ring coated with

O-ring lube.

Do not roll the ring onto the

volute or improper seating and

water leakage into the motor

housing will result.

OSP50

Parts List

Ref. No. Part No. Description Qty.

1 60-000-5 Handle 1

2 14981-001-1 Pipe Plug 1

3 Oil (Purchase locally) .54 gal.

4 19100A012 Bolt, 5/16-18 x 1-1/4" Lg. 4

5.* 14974-008-5 Diaphragm Switch (6-1/2" Range), 115V–10' 1

5.* 14974-009-5 Diaphragm Switch (6-1/2" Range), 115V–20' 1

5.* 14974-010-5 Diaphragm Switch (6-1/2" Range), 230V–20' 1

6.* 5502-005-1 Bracket 1

7.* 30-021-1 Screw, 10-32 x 1/2" Lg. 1

8 19-004-1 Screw, 10-24 x 5/8" Lg. 3

9 14525A010 Seal 1

10.* 19109A070 Jamb Nut 1

11 21-000-2 Foot & Baffle Plate 1

12.* 8498-007-1 Impeller 1

12 16-000-2 Optional Bronze Impeller 1

13 19-002-1 Screw, 10-24 x 3/8" Lg. 5

14 18-002-1 Bottom Plate 1

15 12328-002-2 Volute 1

16 12185-001-1 Reducer Bushing, 2" x 1-1/2" 1

17 77-003-1 O-Ring 1

18 13349-000-1 Motor, 115V 1

18 13592-000-1 Motor, 230V 1

19 56-036-2 MTR HSG 1

20 75-005-1 Cord Nut 1

21 139-014-1 Seal Ring 1

22 14623-010-1 Power Cord, 115V–10' 1

22 14623-020-1 Power Cord, 115V–20' 1

22 14623-220-1 Power Cord, 230V–20' 1

23 4580-001-1 Drivescrew 2

24 13425-069-1 Nameplate 1

25 6000-053-1 Grnd Wire/Terminal Assembly (Grn) 1

26 6000-061-1 Lead Wire/Terminal Assembly (Blk) 2

* AUTOMATIC MODELS

Ref. No. Part No. Description Qty.

OSP50AB

Parts List

Ref. No. Part No. Description Qty.

1 60-000-5 Handle 1

2 05022A088 Pipe Plug 1/4" Sckt. Hd. 1

3 Oil .54 gal

4 19100A012 Bolt 5/16 - 18 x 1" Lg. 4

5 00057-044-5 Power Cord Assembly, 115V–20' 1

5 14974-309-5 Diaphragm Switch 1

6 30-021-1 10-32 x 1/2 Screw 1

7 5502-005-1 Switch Bracket 1

8 19-004-1 Screw, 10-24 x 5/8" Lg. 3

9 14525A010 Seal 1

10 19109A070 Jamb Nut 1

11 33-000-2 Foot & Baffle Plate Bz. 1

12 16-000-2 Impeller Bz. 1

13 19-002-1 Screw, 10-24 x 3/8" Lg. 5

14 18-102-1 Bottom Plate Bz. 1

15 12328-102-2 Volute Bz. 1

16 12185-001-1 Reducing Bushing 1

17 77-003-1 O-Ring 1

18 13349-000-1 Motor, 115V 1

19 56-013-2 Housing, Motor 1

20 75-007-1 Nut Cord Hex 2

21 139-014-1 Seal Ring 1

22 14623-020-1 Cord 1

23 4580-001-1 Screw-Drive # 6 5/16 sst 2

24 13425-069-1 Nameplate, 115V 1

25 6000-053-1 Green Lead 1

26 6000-061-1 Black Lead 2

Ref. No. Part No. Description Qty.

Pump

Notes

______________________________________________

Pump

Notes

______________________________________________

Pump

Notes

______________________________________________

Limited Warranty

HYDROMATIC warrants to the original consumer purchaser (“Purchaser” or “You”) of HYDROMATIC Sump Pumps, Effluent

Pumps, Sewage Pumps (other than 2-1/2”), and Package Systems, that they will be free from defects in material and

workmanship for the Warranty Period of 36 months from date of manufacture.

Our warranty will not apply to any product that, in our sole judgement, has been subject to negligence, misapplication, improper

installation, or improper maintenance. Without limiting the foregoing, operating a three phase motor with single phase power

through a phase converter will void the warranty. Note also that three phase motors must be protected by three-leg, ambient

compensated, extra-quick trip overload relays of the recommended size or the warranty is void.

Your only remedy, and HYDROMATIC’s only duty, is that HYDROMATIC repair or replace defective products (at

HYDROMATIC’s choice). You must pay all labor and shipping charges associated with this warranty and must request warranty

service through the installing dealer as soon as a problem is discovered. No request for service will be accepted if received

after the Warranty Period has expired. This warranty is not transferable.

EXCEPTIONS: Hydromatic Special Application Pumps, Battery Back-Up Sump Pumps, Filtered Effluent Pumps, Grinder

Pumps, and 2-1/2” Sewage Pumps are warranted for a period of 12 months from date of purchase or 18 months from date of

manufacture, whichever comes first.

HYDROMATIC SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL, INCIDENTAL, OR CONTINGENT

DAMAGES WHATSOEVER.

THE FOREGOING LIMITED WARRANTIES ARE EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS AND IMPLIED

WARRANTIES, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

A PARTICULAR PURPOSE. THE FOREGOING LIMITED WARRANTIES SHALL NOT EXTEND BEYOND THE DURATION

PROVIDED HEREIN.

Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations on the duration of an

implied warranty, so the above limitations or exclusions 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.

This Limited Warranty is effective June 1, 2011 and replaces all undated warranties and warranties dated before June 1, 2011.

HYDROMATIC

293 Wright Street, Delavan, WI 53115

Phone: 888-957-8677 • Fax: 800-426-9446 • Web Site: hydromatic.com

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