Pentair AERMOTOR SPCA Series Bedienungsanleitung

OWNER’S MANUAL

Sprinkler Pumps

293 WRIGHT STREET, DELAVAN, WI 53115 WWW.STA-RITE.COM

PH: 800-230-1816

INSTALLATION AND OPERATION

Models SPCA Series Single Stage

Horsepower Range: 1 - 2 H.P.

60 Cycle

Single and Three Phase Installations

Owner’s Record

Pump Model:

Pump Serial No.:

Pump Date Code:

Motor H.P. Voltage Phase

Date of Installation:

Owner:

Installer:

Installer Phone Number:

Electrical Safety

Wire motor for correct

voltage. See

“Electrical” section of this

manual and motor name-

plate.

Ground motor before

connecting to power

supply.

Meet National Elec-

trical Code, Canadian

Electrical Code, and local

codes for all wiring.

Follow wiring instruc-

tions in this manual

when connecting motor to

power lines.

Make workshops childproof; use padlocks and master

switches; remove starter keys.

Do not touch an operating motor.

Modern motors can operate at high temperatures. To

avoid burns when servicing pump, allow it to cool for

20 minutes after shut-down before handling.

READ AND FOLLOW

SAFETY INSTRUCTIONS!

This is the safety alert symbol. When you see this

symbol on your pump or in this manual, look for one of

the following signal words and be alert to the potential

for personal injury:

DANGER warns about hazards that will cause serious

personal injury, death or major property damage if

ignored.

WARNING warns about hazards that can cause

serious personal injury, death or major property

damage if ignored.

CAUTION warns about hazards that will or can cause

minor personal injury or property damage if

ignored.

The label NOTICE indicates special instructions which

are important but not related to hazards.

Carefully read and follow all safety instructions in

this manual and on pump.

Keep safety labels in good condition. Replace missing

or damaged safety labels.

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.

General Safety

Pump is designed as a lawn sprinkler only. To avoid heat

built-up, over pressure hazard and possible injury, do not

use in a pressure tank (domestic water) system. Do not

use as a booster pump; pressurized suction may cause

pump body to explode.

Do not allow pump or piping system to freeze. Freezing

can damage pump and pipe, may lead to injury from

equipment failure and will void warranty.

Pump water only with this pump.

Periodically inspect pump and system components.

Wear safety glasses at all times when working on pumps.

Keep work area clean, uncluttered and properly lighted;

store properly all unused tools and equipment.

Keep visitors at a safe distance from the work areas.

WARNING

Hazardous voltage.

Can shock, burn, or

cause death.

Ground pump before

connecting to power

supply.

WARNING

Hazardous pressure!

Do not run pump

against closed discharge.

Release all pressure on

system before working on

any component.

Before You Install Your Pump

NOTICE: Well must not be more than 20’ depth to water.

1. Long runs and many fittings increase friction and

reduce flow. Locate pump as close to well as

possible: use as few elbows and fittings as possible.

2. Be sure well is clear of sand. Sand will plug the

pump and void the warranty.

3. Protect pump and all piping from freezing. Freezing

will split pipe, damage pump and void the warranty.

Check locally for frost protection requirements

(usually pipe must be 12” below frost line and pump

must be insulated).

4. Be sure all pipes and foot valve are clean and in

good shape.

5. No air pockets in suction pipe.

6. No leaks in suction pipe. Use PTFE pipe thread

sealant tape to seal pipe joints.

7. Unions installed near pump and well will aid in

servicing. Leave room use wrenches.

8. Pump body may explode if used

as a booster pump. DO NOT use in a booster

application.

Well Pipe Installation

NOTICE: Use the installation method below which

matches your well type.

CASED WELL INSTALLATION

1. Inspect foot valve to be sure it works freely. Inspect

strainer to be sure it is clean.

2. Connect foot valve and strainer to the first length of

suction pipe and lower pipe into well. Add sections

of pipe as needed, using PTFE pipe thread sealant

tape on male threads. Be sure that all suction pipe is

leakproof or pump will lose prime and fail to pump.

Install foot valve 10 to 20 feet below the lowest level

to which water will drop while pump is operating

(pumping water level). Your well driller can furnish

this information.

3. To prevent sand and sediment from entering the

pumping system, the foot valve/strainer should be at

least 5 feet above the bottom of the well.

4. When the proper depth is reached, install a sanitary

well seal over the pipe and in the well casing.

Tighten the bolts to seal the casing.

5. When using a foot valve, a priming tee and plug as

shown in Figure 1 are recommended.

DUG WELL INSTALLATION

Same as cased well installation.

DRIVEN POINT INSTALLATION

1. Connect the suction pipe to the drive point as

illustrated in Figure 2. Keep horizontal pipe run as

short as possible. Use PTFE pipe thread sealant

tape on male pipe threads. Multiple well points may

be necessary to provide sufficient water to pump.

2. Install a check valve in horizontal pipe. Flow arrow

on check valve must point toward pump.

Suction

pipe

Foot

Valve

Priming plug

Priming tee

Standing water

level (pump off)

Drawdown water

level (pump on)

10-20' (3-6 m)

20' (6 m) max.

At least 5 feet (1.5 m)

828 0993

Figure 1 – Cased/Dug Well Installation

Check valve

Steel drive pipe

Drive coupling

Driven point

745 0993

Figure 2 – Driven Point Installation

HORIZONTAL PIPING FROM WELL TO PUMP

1. Never install a suction pipe that is smaller than the

suction port of the pump.

2. To aid priming on well point installations, install

a line check valve as shown in Figure 2. Be sure

check valve flow arrow points toward pump.

DISCHARGE PIPE SIZES

1. If increasing discharge pipe size, install reducer in

pump discharge port. Do not increase pipe size by

stages.

2. When the pump is set away from the points of water

use, the discharge pipe size should be increased to

reduce pressure losses caused by friction.

 •Upto100’run:Samesizeaspumpdischargeport.

 •100’to300’run:Increaseonepipesize.

 •300’to600’run:Increasetwopipesizes.

LAWN SPRINKLING APPLICATION

This pump is designed for lawn sprinkling. It is

designed to deliver plenty of water at full sprinkler pres-

sure. It can pump from a pond, cistern or well points.

Pump discharge can be divided to supply two (2) or

more sprinkler systems. A suggested multiple dis-

charge to service is shown in Figure 3.

Do not use in a pressure tank or booster pump

application.

Pump/Piping Installation

PUMP INSTALLATION

NOTICE: Use only PTFE pipe thread sealant tape

for making all threaded connections to the pump

itself. Do not use pipe joint compounds on plastic

pumps: they can react with the plastic in the pump

components. Make sure that all pipe joints in the

suction pipe are air tight as well as water tight. If the

suction pipe can suck air, the pump will not be able to

pull water from the well.

1. Bolt pump to solid, level foundation.

2. Support all piping connected to the pump.

20 100

1909 0997

Figure 3 – Multiple Discharge

Figure 4 – Bolt Pump Down

3023 0997

Figure 5 – Independently Support All Piping Attached

to Pump

20 100

3024 0997

3. Wrap 1-1/2 to two layers of PTFE pipe thread

sealant tape clockwise (as you face end of pipe) on

all male threads being attached to pump.

4. Tighten joints hand tight plus 1-1/2 turns. Do not

overtighten.

NOTICE: Install pump as close to well head as poss-

ible. Long piping runs and many fittings create friction

and reduce flow.

NOTICE: For long horizontal pipe runs, install a

priming tee between check valve and well head as

shown in Figure 1. For driven point installations, install

a check valve as shown in Figure 2. Be sure check

valve flow arrow points toward pump.

Use schedule 80 or iron pipe. See “Well Pipe Installa-

tion” for more information.

Electrical Installation

Hazardous voltage. Can shock, burn,

or cause death. Disconnect power to motor before

working on pump or motor. Ground motor before

connecting to power supply.

WIRING

Ground motor before connecting to electrical

power supply. Failure to ground motor can

cause severe or fatal electrical shock hazard.

Do not ground to a gas supply line.

To avoid dangerous or fatal electrical shock,

turn OFF power to motor before working on

electrical connections.

Supply voltage must be within ±10% of

nameplate voltage. Incorrect voltage can

cause fire or damage motor and voids warranty. If

in doubt consult a licensed electrician.

Use wire size specified in Wiring Chart, below.

If possible, connect pump to a separate

branch circuit with no other appliances on it.

Wire motor according to diagram on motor

nameplate. If nameplate diagram differs from

diagrams above, follow nameplate diagram.

1. Install, ground, wire and maintain this pump in

accordance with electrical code requirements.

Consult your local building inspector for information

about codes.

2. Provide a correctly fused disconnect switch for

protection while working on motor. Consult local or

national electrical codes for switch requirements.

3. Disconnect power before servicing motor or pump.

If the disconnect switch is out of sight of pump,

lock it open and tag it to prevent unexpected power

application.

4. Ground the pump permanently using a wire of the

same size as that specified in wiring chart, below.

Make ground connection to green grounding

terminal under motor canopy marked GRD. or

OFF

1060B0997

5. Connect ground wire to a grounded lead in the

service panel or to a metal underground water pipe

or well casing at least 10 feet long. Do not connect

to plastic pipe or insulated fittings.

6. Protect current carrying and grounding conductors

from cuts, grease, heat, oil, and chemicals.

7. Connect current carrying conductors to terminals L1

and L2under motor canopy. When replacing motor,

check wiring diagram on motor nameplate against

Figure 8, Page 6. If the motor wiring diagram does

not match either diagram in Figure 8, follow the

diagram on the motor.

Figure 7 – Don’t overtighten

748 0993

Don’t Hit

Thread Stops

Don’t

Overtighten

From

Well

Pump

Body

Hand Tight Plus 1-1/2 Tu rns With Wrench.

Figure 6 – Use PTFE pipe thread sealant tape or

Plasto-Joint Stik on pipe joints and connections to

pump

1102 0697

No Air Leaks

in Suction Pipe.

Pipe Joint

Compound Will

Damage Plastic.

If Air Flows

Water Won’t

Use PTFE Tape

IMPORTANT: 115/230 Volt single phase models are

shipped from factory with motor wired for 230 volts. If

power supply is 115 volts, remove motor canopy and

reconnect motor as shown in Figure 8. Do not try to run

motor as received on 115 volt current.

8. Motor has automatic internal thermal overload

protection. If motor has stopped for unknown

reasons, thermal overload may restart it

unexpectedly, which could cause injury or property

damage. Disconnect power before servicing motor.

9. If this procedure or the wiring diagrams are

confusing, consult a licensed electrician.

Connection diagram for dual voltage, single-phase

motors. Your dual-voltage motor’s terminal board

(under the motor end cover) will match one of the

diagrams below. Follow that diagram if necesary to

convert motor to 115 Volt power.

Connect power supply wires to L1and L2. For 3-phase

motors, or if motor does not match these pictures,

follow the connection diagram on the motor nameplate.

The motor is set for 230 volts when shipped.

To change the motor to use 115 volts:

1. Turn off power

2. Remove the back motor cover.

3. Use a screwdriver or 1/2” wrench and turn the

voltage selector dial counterclockwise until 115

shows in the dial opening.

4. Reinstall the motor cover.

WIRING CHART

Recommended Wire and Fuse Sizes

Branch DISTANCE IN FEET FROM MOTOR TO METER

Max. Fuse 0’ - 50’ 51’ - 100’ 101’ - 200’ 201’ - 300’

Pump Load Rating*

Model HP Amps Volts/Hz/Ph Amps WIRE SIZE (AWG)

SPCA-100 1 14.8/7.4 115/230/60/1 20/15 12/14 12/14 8/14 6/14

SPCA-3-100 1 3.6/1.8 230/460/60/3 15/15 14/14 14/14 14/14 14/14

SPCA-150 1-1/2 19.2/9.6 115/230/60/1 25/15 10/14 10/14 8/14 6/12

SPCA-3-150 1-1/2 4.7/2.35 230/460/60/3 15/15 14/14 14/14 14/14 14/14

SPCA-200 2 24/12 115/230/60/1 30/15 12/14 10/14 6/14 6/12

SPCA-3-200 2 5.8/2.9 230/460/60/3 15/15 14/14 14/14 14/14 14/14

* Time delay fuse or circuit breakers are recommended in any motor circuit.

Figure 8 – Changing the Voltage Setting

Figure 9 – Motor Set for 115 Volt Operation

Operation

PRIMING THE PUMP

NOTICE: ‘Priming’ refers to the pump expelling all air

in the system and beginning to move water from its

source out into the system. It does not refer only to

pouring water into the pump (although pouring water in

is usually the first step).

NOTICE: NEVER run pump dry. Running pump with-

out water in it will damage seals and can melt impeller

and diffuser. To prevent damage, fill pump with water

before starting.

1. Remove priming plug (Figure 10).

2. Make sure suction and discharge valves and any

hoses on discharge side of pump are open.

3. Fill pump and suction pipe with water.

4. Replace priming plug, using PTFE pipe thread

sealant tape on thread; tighten plug.

NOTICE: If a priming tee and plug have been

provided for a long horizontal run, be sure to fill

suction pipe through this tee and replace plug. (Don’t

forget to PTFE pipe thread sealant tape the plug.)

5. Start pump: water should be produced in 10 minutes

or less, the time depending on depth to water (not

more than 20’) and length of horizontal run (10’

of horizontal suction pipe = 1’ of vertical lift due to

friction losses in the pipe).

If no water is produced within 10 minutes, stop

pump, release all pressure, remove priming plug,

refill and try again.

Hazardous pressure and risk of

explosion and scalding. If pump is run continu-

ously at no flow (that is, with discharge shut off

or without priming), water may boil in pump and

piping system. Under steam pressure, pipes may

rupture, blow off of fittings or blow out of pump

ports and scald anyone near.

To prevent explosion, do the following:

A. Be sure discharge (valve, pistol grip hose nozzle,

etc.) is open whenever pump is running.

B. If pump fails to produce water when attempting to

prime, release all pressure, drain pump and refill

with cold water after every two attempts.

C. When priming, monitor pump and piping tempera-

ture. If pump or piping begin to feel warm to the

touch, shut off pump and allow system to cool off.

Release all pressure in system and refill pump and

piping with cold water.

20 100

3025 0997

Figure 10 – Remove Priming Plug and Fill Pump

Before Starting

750 0993

Figure 11 – Run Ten Minutes or Less

20 100

3026 0997

Figure 12 – Do Not Run Pump with Discharge

Shut-off

Maintenance

Pump and piping need not be disconnected to repair

or replace motor or seal (see Figure 14). If motor is

replaced, replace the shaft seal (Key No. 7, Page 12).

Keep one on hand for future use.

Be sure to prime pump before starting.

NOTICE: Check motor label for lubrication instructions.

The mechanical shaft seal in the pump is water

lubricated and self-adjusting.

NOTICE: Drain pump when disconnecting from service

or when it might freeze.

PUMP DISASSEMBLY

1. Disconnect power to motor.

NOTICE: Mark wires for correct assembly.

2. Remove capscrews holding seal plate to pump

body. Motor assembly and seal plate can now be

pulled away from pump body (Figure 14). CARE-

FULLY remove gasket.

CLEANING/REPLACING IMPELLER

NOTICE: First, follow instructions under “Pump Dis-

assembly”.

1. Remove screws fastening diffuser to seal plate;

remove diffuser (see Figure 15). Exposed impeller

can now be cleaned.

2. If impeller must be replaced, loosen two machine

screws and remove motor canopy (see Figure 16).

Capacitor voltage may be

hazardous. To discharge capacitor, hold insulated

handle screwdriver BY THE HANDLE and short

capacitor terminals together (see Figure 16). Do not

touch metal screwdriver blade or capacitor terminals.

If in doubt, consult a qualified electrician.

4. Unscrew capacitor clamp and remove capacitor. Do

not disconnect capacitor wires to motor.

5. Slide 7/16” open end wrench in behind spring

loaded switch on motor end of shaft; hold motor

shaft with wrench on shaft flats and unscrew

impeller screw (if used) by turning clockwise (left

hand thread) when looking into eye of impeller.

6. Unscrew impeller while holding shaft by turning

counterclockwise while looking into eye of impeller.

7. To reinstall, reverse steps 1 through 6.

8. See directions under “Pump Reassembly,” Page 10.

OFF

1060B 0997

Figure 13 – Disconnect Power

3027 0997

Figure 14 – Slide Motor Back

3028 0997

Figure 15 – Remove Diffuser

739 0993

Figure 16 – Hold Shaft

To avoid electrical

shock hazard, use

insulated-handle

screwdriver to short

capacitor terminals

as shown.

REMOVING OLD SEAL

1. Follow instructions under “Pump Disassembly”.

2. Follow steps 2 through 5 under “Cleaning/Replacing

Impeller”.

3. Remove rotating half of seal by placing two screw-

drivers under seal ring and carefully prying up

(Figure 17).

4. Remove nuts from studs holding seal plate to motor.

Carefully slide seal plate off of shaft.

NOTICE: Be sure you do not scratch or mar shaft;

if shaft is marred, it must be dressed smooth with

fine emery or crocus cloth before installing new seal.

DO NOT reduce shaft diameter!

5. Place seal plate half face down on flat surface and

tap out stationary half of seal (see Figure 18).

INSTALLING NEW SEAL

1. Clean seal cavity in seal plate.

2. Wet outer edge of Rubber Cup on ceramic seat with

liquid soap. Be sparing!

3. Put clean cardboard washer on seal face. With

thumb pressure, press ceramic seat firmly and

squarely into seal cavity (See Figure 19). Polished

face of ceramic seat is up. If seal will not seat

correctly, remove, placing seal face up on bench.

Reclean cavity. Seal should now seat correctly.

4. If seal does not seat correctly after recleaning cavity,

place a cardboard washer over polished seal face

and carefully press into place using a piece of

standard 3/4” pipe as a press.

NOTICE: Be sure you do not scratch seal face.

5. Dispose of cardboard washer and recheck seal face

to be sure it is free of dirt, foreign particles, scratches

and grease.

6. Inspect shaft to be sure it is free of nicks and scratches.

7. Reassemble seal plate to motor flange. BE SURE it

is right side up.

8. Apply liquid soap sparingly (one drop is sufficient) to

inside diameter of rotating seal half.

9. Slide rotating seal half (carbon face first) onto shaft

until rubber drive ring hits shaft shoulder.

NOTICE: Be sure not to nick or scratch carbon face of

seal when passing it over threaded shaft end or shaft

shoulder. The carbon surface must remain clean or

short seal life will result.

3029 0997

Figure 17 – Remove Seal plate

3030 0997

Figure 18 – Tap Out Seal

3031 0997

Figure 19 – Press in New Seal

1072 0697

Ceramic

Face Carbon

Face

Be Careful That

Motor Shaft Shoulder...

...Does Not Damage

Seal Face

Figure 20 – Protect Seal Faces

10. Hold motor shaft with 7/16” open end wrench

on shaft flats and screw impeller onto shaft. Be

sure you do not touch capacitor terminals with

body or any metal object. Tightening impeller will

automatically locate seal in correct position.

11. Replace impeller screw (if used) by turning

counterclockwise (left-hand thread) into end of

shaft.

12. Remount diffuser on seal plate with two screws.

13. Follow instructions under “Pump Reassembly”.

PUMP REASSEMBLY

1. Clean gasket surfaces on pump body and seal plate;

install new gasket.

2. Slide motor/seal plate assembly into pump body.

Secure with capscrews.

3. Replace base mounting bolts.

4. Replace motor wiring; close draincock.

5. Prime pump according to instructions.

See “Operation.”

6. Check for leaks.

739 0993

Figure 21 – Hold Shaft

To avoid electrical

shock hazard, use

insulated-handle

screwdriver to short

capacitor terminals

as shown.

3027 0997

Figure 22 – Assemble Pump

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