Little Giant W16G07S8-32P Handleiding

Little Giant Pomp W16G07S8-32P

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Pagina 1/24

OWNER’S MANUAL

4” SUBMERSIBLE PUMP

BEFORE INSTALLING PUMP, BE SURE TO READ

THIS OWNER’S MANUAL CAREFULLY.

Fill the pump with water before starting or

the pump will be damaged. The motor on this pump is

guaranteed by the manufacturer, and in the event of failure

it must be returned to an authorized service station for

repairs. The motor warranty is void if repairs are not made

by an authorized repair station.

INSPECT THE SHIPMENT

Examine the pump when it is received to be sure there

has been no damage in shipping. Should any be evident,

report it immediately to the dealer from whom the pump

was purchased. Please check the pump package to see

that it includes pump, motor, and motor leads (if your pump

purchase includes a motor).

This pump includes either a built-in or externally-mounted

check valve with the discharge head. Make certain that your

available voltage corresponds to that of your motor.

C A U T I O N

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:

D A N G E R

warns about hazards that cause serious will

personal injury, death, or major property damage if ignored.

WARNING

warns about hazards that cause serious can

personal injury, death, or major property damage if ignored.

C A U T I O N

warns about hazards that or cause will can

minor personal injury or major property damage if ignored.

The label indicates special instructions, which are NOTICE

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.

Wire motor for correct

voltage. See Electrical

Information section of this manual

and motor nameplate.

Ground motor before

connecting to power supply.

Meet National Electrical

Code, Canadian Electrical

Code, and local codes for all

wiring.

Follow wiring instructions in

this manual when

connecting motor to power lines.

Hazardous voltage.

Can shock, burn, or

cause death.

Ground pump before

connecting to power

supply. Disconnect

power before working

on pump, motor

or tank.

WA R N I N G

Franklin Electric Co., Inc.

www.franklinwater.com

customerservice@lgpc.com

ATTENTION!

IMPORTANT INFORMATION FOR

INSTALLERS OF THIS EQUIPMENT!

THIS EQUIPMENT IS INTENDED FOR INSTALLATION BY

TECHNICALLY-QUALIFIED PERSONNEL. FAILURE TO

INSTALL IT IN COMPLIANCE WITH NATIONAL AND LOCAL

ELECTRICAL CODES AND WITH FRANKLIN ELECTRIC

RECOMMENDATIONS MAY RESULT IN ELECTRICAL SHOCK

OR FIRE HAZARD, UNSATISFACTORY PERFORMANCE,

Form 106257101 Rev. 002 11/2013

AND EQUIPMENT FAILURE. FRANKLIN ELECTRIC

INSTALLATION INFORMATION IS AVAILABLE FROM PUMP

MANUFACTURERS AND DISTRIBUTORS, AND DIRECTLY

FROM FRANKLIN ELECTRIC. CALL FRANKLIN ELECTRIC

TOLL FREE AT 800-701-7894 FOR INFORMATION. RETAIN

THIS INFORMATION SHEET WITH THE EQUIPMENT FOR

FUTURE REFERENCE.

W A R N I N G

SERIOUS OR FATAL ELECTRICAL SHOCK MAY RESULT

FROM FAILURE TO CONNECT THE MOTOR, CONTROL

ENCLOSURES, METAL PLUMBING, AND ALL OTHER

METAL NEAR THE MOTOR OR CABLE TO THE POWER

SUPPLY GROUND TERMINAL USING WIRE NO SMALLER

THAN MOTOR CABLE WIRES. TO REDUCE RISK OF

ELECTRICAL SHOCK, DISCONNECT POWER BEFORE

WORKING ON OR AROUND THE WATER SYSTEM. DO

NOT USE MOTOR IN SWIMMING AREAS.

INSTALLATION RECORDS

It is a good idea to keep an accurate record of your

installation. Be sure to record the data below:

Purchased from:

Date of installation:

Pump model*:

Pump date code*:

Well inside diameter (in/mm):

Depth of well (ft/m):

Depth of water (ft/m):

Pump setting (ft/m):

Drop pipe size:

Wire size (pump to control box):

Wire size (control box to power source):

Horizontal offset (between well & house):

Make of motor*

Amps HP Volts Phase

Make of control box

HP Volts

Power supply

Volts HZ

Pressure switch limits

Cut-in (PSI) Cut-out (PSI)

*This information is on your pump or motor tag. It will help

us identify your pump in case of later inquiries.

TEST RUNNING

If test running pump before installation:

1. Ensure that the power supply corresponds with that

shown on the nameplate of the motor and control box (if

required).

2. Install pump and components appropriate for the test as

shown in Fig. 1.

3. Make sure power supply is turned off and circuit

breaker or disconnect switch is open. Make electrical

connections appropriate to your motor as shown in

Figure 2, 3 or 4.

4. On a three-phase motor, use a magnetic starter equipped

with quick-trip, ambient compensated heaters of correct

size for the horsepower of the motor.

To ensure correct rotation of three-phase units, brace

pump shell securely and apply power momentarily by

snapping line switch quickly on and off. If rotation is

correct, reaction of the shell will be clockwise when

viewed from pump discharge (that is, pump shaft will

rotate counter clockwise). Interchange any two leads at

magnetic starter to reverse rotation.

5. Run pump and motor unit for a few seconds to ensure

that it is in working order.

FIGURE 1

Installation Diagram

Pressure tank

Pressure switch

Gate valv

Service pipe

Pressure gauge

Pressure relief valve

Spring-loaded

check valve

See Wiring Diagrams

Sanitary well seal

or pitless adapter Discharge pipe

Submersible cable

Spring-loaded

check valve

(Recommended every 100’/30m)

Safety cable

Drop pipe

Cable

(secured to drop

pipe with tape or

clamps every 10’/3m)

Well casing

Spring-loaded

check valve

at pump discharge

Submersible

pump

Suction screen

Motor

Well screen or

casing perforations

Note: Keep pump at least 5' (1.5 m) from

bottom of well and above well screen

or casing perforations.

Torque arrestor

SUITABILITY OF WELL

Install the pump only in a well that has been properly

developed. Water from an undeveloped well often contains

an excessive amount of sand, dirt, and abrasives which can

damage the pump. Check that the well is large enough to

allow the pump to be set at the required depth. Do not set the

pump below the casing perforations or well screen unless you

make arrangements to ensure an adequate ow of water over

the motor for cooling purposes. Determine the correct pump

setting from the driller’s record by taking into account the

static water level and the drawdown at the proposed pumping

rate. Keep the pump at least ve feet from the bottom of a

drilled well.

SPLICING THE POWER CABLE

Follow the instructions enclosed in the cable splicing kit

(purchased separately).

DROP PIPE

Submersible drop pipe manufacturer’s usage guidelines

should always be followed when suspending a submersible

pump in a well. Generally either galvanized steel or plastic are

used for the pump drop pipe. When using plastic piping it is

important to follow the manufacturer’s depth and pressure

rating. Give special consideration to:

1. A safety cable to prevent loss of pump if pipe should break.

2. A torque arrestor just above pump to prevent chang the

cable when pump and pipe twist during the starting and

stopping cycle. (See Figure 1.)

Schedule 40 galvanized pipe is suitable for settings to 600

feet (180m). For deeper settings, use schedule 40 pipe for the

bottom 600 feet (180m), and schedule 80 for the remainder.

NOTICE: Drop pipe sizes and usages depths should be

considered as general guidelines only. Drop pipe manufacturer

data and recommendations supersedes these instructions.

Take great care to keep pipes clean and free from pebbles,

scale, and thread chips. Make sound, air-tight connections at

all ttings. Pipe sealant is recommended.

CHECK VALVES

It is recommended that one or more check valves always be

used in submersible pump installations. If the pump does not

have a built-in check valve, an inline check valve should be

installed in the discharge line within 25 feet of the pump and

below the draw down level of the water supply. If permitted by

local codes it is recommended that an additional check valve

be installed in the system plumbing between the wellhead

and the system’s pressure tank. For pump installations that

are more than 200 feet (60m) below the wellhead; additional

check valves should be installed in the drop pipe. This should

be done at intervals of 200 feet (60m) or at the check valve

manufacturer’s specied installation interval. More than one

check valve is often needed, but more than the recommended

number of check valves should not be used.

Swing type check valves are not acceptable and should never

be used with submersible motors/pumps. Swing type check

valves have a slower reaction time which can cause water

hammer (see next page). Internal pump check valves or spring

loaded check valves close quickly and help eliminate water

hammer.

Check valves are used to hold pressure in the system when

the pump stops. They also prevent backspin, water hammer

and upthrust. Any of these can lead to early pump or motor

failure.

NOTE: Only positive sealing check valves should be used in

submersible installations. Although drilling the check valve or

using drain-back check valves may prevent back spinning,

they create upthrust and water hammer problems.

A. Backspin - With no check valve or a failed check valve,

the water in the drop pipe and the water in the system can

ow down the discharge pipe when the motor stops. This can

cause the pump to rotate in a reverse direction. If the motor is

started while it is back spinning, an excessive force is placed

across the pump-motor assembly that can cause impeller

damage, motor or pump shaft breakage, excessive bearing

wear, etc.

B. Upthrust - With no check valve, a leaking check valve, or

drilled check valve, the unit starts under a zero head condition.

This causes an uplifting or upthrust on the impeller-shaft

assembly in the pump. This upward movement carries across

the pump-motor coupling and creates an upthrust condition in

the motor. Repeated upthrust can cause premature failure of

both the pump and the motor.

C. Water Hammer - If the lowest check valve is more than 30

feet above the standing (lowest static) water level, or a lower

check valve leaks and the check valve above holds, a vacuum

is created in the discharge piping. On the next pump start,

water moving at very high velocity lls the void and strikes the

closed check valve and the stationary water in the pipe above

it, causing a hydraulic shock. This shock can split pipes, break

joints and damage the pump and/or motor. Water hammer can

often be heard or felt. When discovered, the system should

be shut down and the pump installer contacted to correct the

problem.

REMOVABLE POPPET CHECK VALVE

4” submersible pumps with a 1-1/4” discharge are supplied

with a spring-loaded, removable poppet check valve

assembly. This check valve can be removed from the pump

discharge when drain back is desired.

WARNING

Fluid draining back through the pump can

cause the pump to rotate backwards. If pump/motor starts

during this time, damage to the pump can occur.

The check valve can be removed using a T-handle poppet

wrench (purchased separately), or with standard needle-nosed

pliers. The poppet assembly is left-hand threaded and is

removed by turning clockwise.

When reinstalling a poppet check valve assembly, tighten it to

15 inch-pounds.

Poppet Assembly T-Handle Poppet Wrench

INSTALLATION OF PUMP, DROP PIPE, AND

ASSOCIATED EQUIPMENT

Figure 1 illustrates a typical well installation showing in ground

components. Adhere to the following items when installing the

pump and drop pipe:

1. Fasten the submersible cable to the drop pipe with clamps

or appropriate tape every 10 ft. (3m) to prevent tangling and

Product specificaties

Merk:	Little Giant
Categorie:	Pomp
Model:	W16G07S8-32P

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