STA-RITE J Series Manuale utente

OWNER’S MANUAL

INSTALLATION AND OPERATING INSTRUCTIONS

REPAIR PARTS LIST

50 CYCLE “J” SERIES

CENTRIFUGAL PUMP

Sta-Rite Industries LLC, Export Sales & Marketing Group

293 Wright Street, Delavan, WI 53115 U.S.A.

TELEPHONE: (262) 728-5551, TELEFAX: (262) 728-4461, CABLE: STAREX TELEX: ITT 4970245

U78 (Rev. 6/30/09)

Support suction pipe

as required

Support discharge

pipe as required

As close

as possible

4 x "D"

minimum

Foot

Valve

Pipe diameter

"D"

Straight run, short as

possible but at least 6

times pipe diameter ("D")

sloping away from pump

Short length of

straight pipe

after reducer

Important:

All connections must

be air tight

Eccentric

Reducer

Solid, level

base

Tee and

Priming Plug

Rotated Volute

Gate

Valve

Union

Discharge

to service

Recommended pump suction

and discharge connections

Vent

Plug

Priming

Plug

Street Elbow

Not recommended pump suction

and discharge connections

Elbow immediately

in front of pump

suction.

On the discharge avoid:

Quick closing valves.

Small I.D. pipe.

Numerous fittings.

Misalignment.

Sharp turns in piping run.

High

lift

Pipe diameter "D"

insufficient size

Pipe submerged

less than 4 x "D"

will cause vortexing

Long suction

run

Concentric

Reducer

Use of excess fittings

means potential air leaks

Valve

Unsupported

Pipe

Concentric Reducer causes high

spots along the suction line resulting

in air pockets.

684 0294

Figure 1

Figure 2

PIPING - GENERAL

Support both suction and discharge piping indepen-

dently at a point near the pump to avoid putting a strain

on the pump housing. Start all piping AT THE PUMP.

Increase pipe diameter at both the suction and dis-

charge by one (1) standard pipe size (minimum) to

obtain desired performance and flow rate. Refer to

Table I when sizing pipe for your pumping system.

NOTE: Do not use pipe with smaller diameter on the

suction side of pump.

TABLE I

Pipe Tapping Recommended

Size On Pump Pipe Size

Suction Discharge Suction Discharge

1-1/4 1 1-1/2 1-1/4

1-1/2 1-1/4 2 1-1/2

2 1-1/2 3 2

SUCTION PIPE

Increase pipe size from pump tapping as show in

Table I.

Figure 1 (Page 2) depicts a recommended run of pipe

and fittings for the suction side of a centrifugal pump.

Please refer to this illustration when choosing pipe and

fittings for your suction connection.

IMPORTANT: All connections must be air tight!

Figure 2 (Page 2) depicts conditions that are NOT

DESIRABLE on the suction side of a centrifugal pump

and may cause problems in flow rate and priming.

Please look this illustration over carefully before choos-

ing pipe and fittings for your suction connection.

DISCHARGE PIPING

Increase pipe size from pump tapping as show in Table

I. Figure 1 (Page 2) depicts a recommended run of pipe

and fittings for the discharge. Install tee with priming

plug as close to pump as possible. Figure 2 (Page 2)

notes conditions that should be avoided. Please read

over carefully before making discharge connection.

PRIMING THE PUMP

A pump is primed when all air in the suction line and

pump volute has been evacuated and replaced with

water.

To Prime:

1. Close valve in discharge line.

2. Remove priming plug from tee and fill pump and suc-

tion line with water until water is flowing back out of

tee.

3. Replace priming plug.

4. Start pump and slowly open valve until desired water

flow is achieved.

NOTE: If water is not being pumped, turn off pump,

close valve, and repeat steps 1 thru 4.

If pump volute is rotated as shown in Figure 1 (Page 2),

loosen vent plug when priming to evacuate air trapped

inside volute and tighten when volute is completely

filled with water.

Never run pump against closed dis-

charge. To do so can boil water inside pump causing

hazardous pressure in unit, risk of explosion and possi-

bly scalding persons handling pump.

Do not run the pump dry. This will dam-

age mechanical seal and void warranty.

Motor normally operates at high temper-

ature and will be too hot to touch. It is protected from

heat damage during operation by an automatic internal

cutoff switch. Before handling pump or motor, stop

motor and allow it to cool for 20 minutes.

Ground motor before con-

necting 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 seriously 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 below, follow

nameplate diagram.

WIRING

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

with your local electrical code and all other codes and ordi-

nances that apply. Consult your local building inspector for

local code information.

2. Ground the pump permanently using a wire of size and

type specified by local or National Electrical Code.

Do not ground to gas supply line.

3. Connect ground wire first. Connect to ground first, then to

green grounding terminal provided under motor canopy

(see Figures 3A and 3B) identified as GRD. Make ground

connection to this terminal. Do not connect motor to elec-

trical power supply until unit is permanently grounded; oth-

erwise serious or fatal electrical shock hazard may be

caused.

4. For best ground connection, connect to a grounded lead in

the service panel or to a metal underground water pipe or

well casing at least 10 ft. long. If plastic pipe or insulated

fittings are used, run ground wire directly to the metal well

casing or use ground electrode furnished by the power

company.

WARNING

Hazardous voltage.

Can shock, burn, or

cause death.

Ground pump before

connecting to power

supply.

TABLE II - RECOMMENDED FUSING AND WIRING DATA - 50 CYCLE MOTORS

DISTANCE IN FEET (METERS) FROM MOTOR TO METER

BRANCH 0’ 101’(30) 201’(60) 301’(90) 401’(120)

MOTOR MAX. LOAD FUSE* TO TO TO TO TO

HP AMPERES RATING 100’(30) 200’(60) 300’(90) 400’(120) 500’(150)

AMPS WIRE SIZE

SINGLE PHASE - 115/230 VOLT

1/2 9.4/4.7 15/15 14/14(2/2) 10/14(5.5/2) 10/14(5.5/2) 6/14(14/2) 6/12(14/3)

3/4 12.2/6.1 20/15 12/14(3/2) 10/14(5.5/2) 8/14(8.4/2) 6/12(14/3) 6/12(14/3)

SINGLE PHASE - 220 VOLT

1/2 4.8 15 14(2) 14(2) 14(2) 14(2) 12(3)

3/4 6.1 15 14(2) 14(2) 14(2) 12(3) 10(5)

1 7.8 15 14(2) 14(2) 12(3) 12(3) 10(5)

1-1/2 9.2 15 14(2) 14(2) 12(3) 10(5) 10(5)

THREE PHASE - 220-240 VOLT/380-415 VOLT

1-1/2 5.15/3.0 15 14/14(2/2) 14/14(2/2) 14/14(2/2) 14/14(2/2) 12/14(3/2)

*A Fusetron is recommended instead of a fuse in any motor circuit

GRD

Yellow with Black tracer

Blue

Yellow

Black

Line

Rear view of motor with cover removed

1399 1194

Figure 3A – 220 Wiring Diagram-Magnetek Motor Figure 3B – 115/230 Wiring Diagram-A.O. Smith Motor

3-Phase Wiring

Wire 3-Phase motors

according to wiring

diagram on motor

nameplate. Be sure

motor is connected for

correct line voltage.

ELECTRICAL

Motor Terminal Block Wiring (as viewed from rear of motor, with cover removed)

Voltage

Change

Dial

Ground

Screw

Power

Lead

Terminals

PUMP SERVICE

This centrifugal pump requires little or no service other

than reasonable care and periodic cleaning. Occasion-

ally, however, a shaft seal may become damaged and

must be replaced. The procedure as outlined below will

enable you to replace the seal.

NOTE: Pumps use mechanical seals with a rubber

seat ring or a sealing O-Ring. THESE SEALS ARE

COMPLETELY INTERCHANGEABLE.

CAUTION: The highly polished and lapped faces of this

seal are easily damaged. Read instructions and handle

the seal with care.

Some models are equipped with an impeller screw,

which has a left hand thread. Before unscrewing the

impeller, remove the impeller screw.

REMOVAL OF OLD SEAL

1. After unscrewing impeller, carefully remove rotating

part of seal by prying up on sealing washer, using

two screwdrivers (see Figure 4A). Use care not to

scratch motor shaft.

2. Remove seal plate from motor and place on flat sur-

face, face down. Use a screwdriver to push ceramic

seat out from seal cavity (see Figure 4B).

INSTALLATION OF CERAMIC SEAT (Figure 4C)

1. Clean polished surface of ceramic seat with clean

cloth.

2. Turn seal plate over so seal cavity is up, clean cavi-

ty thoroughly.

3. Lubricate outside rubber surface of ceramic seat

with soapy water and press firmly into seal cavity

with finger pressure. If seat will not locate properly in

this manner, place cardboard washer over polished

face of seat and press into seal cavity using a 3/4”

socket or 3/4” piece of standard pipe.

4. DISPOSE OF CARDBOARD WASHER. Be sure

polished surface of seat is free of dirt and has not

been damaged by insertion. Remove excess soapy

water.

INSTALLATION OF ROTATING

PART OF SEAL UNIT (Figure 4D)

1. Reinstall seal plate using extreme caution not to hit

ceramic portion of seal on motor shaft.

2. Inspect shaft to make sure that it is clean.

3. Clean face of sealing washer with clean cloth.

4. Lubricate inside diameter and outer face of rubber

drive ring with soapy water and slide assembly on

motor shaft (sealing face first) until rubber drive ring

hits shaft shoulder.

5. Screw impeller on shaft until impeller hub hits shaft

shoulder. This will automatically locate seal in place

and move the sealing washer face up against seat

facing. Reinstall impeller screw (if used).

Seal Plate

Mechanical seal

rotating half

Mechanical seal

stationary half

A-Seal removal-rotating half B-Seal removal-stationary half C-Stationary half installation D-Rotating half installation

Polished

surface Rubber

surface

Cardboard

washer

(supplied w/seal)

3/4" socket

or pipe

Sealing

face

Rubber drive

ring

Impeller

Shaft

shoulder

5939 0109

FIGURE 4

SERVICE

Key Part No. 5JMC 5JMD 5JME 5JMF

No. Description Used 1/2 HP 3/4 HP 1 HP 1-1/2 HP

1 Motor 220/50/1 Phase 1 J218-573 J218-574A J218-575A J218-864A

1 Motor 220-240/380-415/50/3 Phase 1 – – J218-816A J218-817A

2 Hex Nuts - 3/8 - 16 4 U36-38ZP U36-38ZP U36-38ZP U36-38ZP

3 Water Slinger 1 17351-0009 17351-0009 17351-0009 17351-0009

4 Seal Plate 1 N3-8 C3-52 C3-52 C3-52

5 Volute Gasket 1 N20-6 C20-21 C20-21 C20-21

6 Shaft Seal 1 U109-6A U109-6A U109-6A U109-6A

7 Impeller (Single Phase) 1 J105-42PJA C105-114PCJ – –

7 Impeller (Three Phase) 1 – – C105-114PKA C105-137PDA

7A Impeller Screw (Three Phase Only) 1 – – C30-14SS C30-14SS

8 Volute With Wear Ring (incl. 8A) 1 C101-123 C101-123 C101-123F C101-123F

8A Wear Ring Only (1) C23-19 C23-19 C23-60D C23-60D

8B Studs - 3/8 - 16 x 1-13/16" Lg. (4) U30-35SS U30-35SS U30-35SS U30-35SS

9 1/4" NPT Pipe Plug (3) U78-941ZPV U78-941ZPV U78-941ZPV U78-941ZPV

10 1/4" NPT Pipe Plug (1) U78-57DT U78-57DT U78-57DT U78-57DT

11 Base - With Motor Pad (Incl. 12) 1 J204-9 J204-9 J204-9 J204-9

12 Motor Pad (1) C35-5 C35-5 C35-5 C35-5

1398 1194

REPAIR PARTS LIST – “J” SERIES - MEDIUM HEAD

*For repair or service to motors, always give the motor Model Number and any other data found on the Motor Model Plate.

Key Part No. 5JHC 5JHD 5JHE 5JHF

No. Description Used 1/2 HP 3/4 HP 1 HP 1-1/2 HP

1 Motor 115/230/50/1 1 J218-573 J218-574A J218-575A J218-864A

1 Motor 220-240/380-415/50/3 1 J218-814A J218-815A J218-816A J218-817A

2 Capscrew - 3/8 - 16 x 1" Lg. 2 – – U30-74ZP U30-74ZP

2 Capscrew - 3/8 - 16 x 1-1/4" Lg. 2 U30-75ZP U30-75ZP – –

3 Water Slinger 1 17351-0009 17351-0009 17351-0009 17351-0009

4 Seal Plate (5JHSCX, 5JHSDX) 1 C3-195SS C3-195SS – –

4 Seal Plate 1 C3-1042P C3-1042P C3-181 C3-181

5 Volute Gasket 1 C20-121 C20-121 C20-122 C20-122

6 Shaft Seal 1 U109-6A U109-6A U109-6A U109-6A

7 Impeller (Single Phase) 1 C105-92PMX C105-92PBX C105-214PBXA C105-214PXA

7 Impeller (Three Phase) 1 C105-92PMXA C105-92PBXA C105-214PBXA C105-214PXA

7A Impeller Screw (Three Phase Only) 1 C30-14SS C30-14SS C30-14SS C30-14SS

8 Volute-Complete (5JHSCX, 5JHSDX) 1 C1-279SS C1-279SS – –

8 Volute-Complete 1 C101-284A C101-284A C101-264G C101-264F

8 Volute-Complete (Models with UAE suffix) 1 C101-284BW C101-284BW

C101-264GBW C101-264GBW

8A Wear Ring Only (1) C23-27 C23-27 C23-19 C23-19

9 Capscrew - 3/8 - 16 x 1-1/4" Lg. 2 – – U30-75ZP U30-75ZP

9 Capscrew - 3/8 - 16 x 1" Lg. 2 U30-74ZP U30-74ZP – –

10 Base - With Motor Pad (Incl. 10A) 1 J204-9 J204-9 J204-9 J204-9

10A Motor Pad 1 C35-5 C35-5 C35-5 C35-5

REPAIR PARTS LIST – “J” SERIES - HIGH HEAD

*For repair or service to motors, always give the motor Model Number and any other data found on the Motor Model Plate.

TROUBLE AND CAUSE REMEDY

FAILURE TO PUMP

1. Pump not properly primed. 1. Make sure pump casing and suction line are full of water.

See priming instructions.

REDUCED CAPACITY AND/OR HEAD

1. Air pockets or leaks in suction line. 1. Check suction piping.

2. Clogged impeller. 2. Remove and clean.

PUMP LOSES PRIME

1. Air leaks in suction line. 1. Check suction piping

2. Excessive suction lift and operating 2. Move pump nearer to water level.

too near shut-off point.

3. Water level drops while pumping, 3. Check water supply. Add length of pipe to suction

uncovering suction piping. to keep submerged end under water.

MECHANICAL TROUBLES AND NOISE

1. Bent shaft and/or damaged bearings. 1. Take motor to authorized motor repair shop.

2. Suction and/or discharge piping not 2. See that all piping is supported to relieve strain

properly supported and anchored. on pump assembly.

TROUBLE - CAUSES AND REMEDY

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