STA-RITE C Series Manuale utente

OWNER’S MANUAL

Centrifugal Pumps

293 Wright Street, Delavan, WI 53115

“C” and “CC” Series

Installation/Operation/Parts

For further operating, installation,

or maintenance assistance:

Call 1-262-728-9181

Safety 2

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:

warns about hazards that will cause serious personal injury,

death or major property damage if ignored.

warns about hazards that can cause serious personal injury,

death or major property damage if ignored.

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.

Motor normally operates at high temperature 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.

Ta b le of Contents 3

Page

General Safety ....................................................................................................2

Warranty..............................................................................................................3

Installation........................................................................................................4-5

Maintenance ....................................................................................................5-7

Troubleshooting .................................................................................................8

Repair Parts ..................................................................................................9-11

LIMITED WARRANTY

Sta-Rite Industries warrants to the original consumer of the products listed below, that they will be free from

defects in material and workmanship for the Warranty Period from the date of original installation or manufacture

as noted.

Product Warranty Period

Water Systems Products – jet pumps, whichever occurs first:

small centrifugal pumps, submersible pumps 1 year from date of original installation, or

and related accessories 2 years from date of manufacture

Hydro-Flow Filters 1 year from date of purchase

Signature 2000 Fibrewound Tanks 5 years from date of original installation

Pro-Source Steel Pressure Tanks 5 years from date of original installation

Pro-Source Epoxy-Line Tanks 3 years from date of original installation

Sump/Sewage/Effluent Products 1 year from date of original installation, or

2 years from date of manufacture

Our warranty will not apply to any product that has been subject to negligence, misapplication, improper instal-

lation or maintenance. In the event a three phase submersible motor is operated with single phase power

through a phase converter, or if three-leg ambient compensated, extra-quick trip overload relays of recom-

mended size are not used, our warranty is void.

Buyer’s only remedy and Sta-Rite Industries’ only duty is to repair or replace defective products (at Sta-Rite

Industries’ choice). Buyer agrees to pay all labor and shipping charges associated with this warranty and to

request warranty service through the installing dealer as soon as a problem is discovered. If warranty service is

requested more than 30 days after the Warranty Period has ended, it will not be honored.

STA-RITE INDUSTRIES SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL, INCIDENTAL, OR CONTIN-

GENT DAMAGES WHATSOEVER.

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

IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER-

CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL NOT EXTEND BEYOND THE WAR-

RANTY PERIOD PROVIDED HEREIN.

Certain states do not permit the exclusion or limitation of incidental or consequential damages or the placing of

limitations on the duration of an implied warranty, therefore, the limitations or exclusions herein may not apply.

This warranty sets forth specific legal rights and obligations, however, additional rights may exist, which may

vary from state to state.

Supersedes all previous publications.

Sta-Rite Industries, 293 Wright St., Delavan, WI 53115

Installation 4

SERIES C/CC CENTRIFUGAL PUMPS

The “C” and “CC” Series pumps are close coupled pumps with optional

traps. “CC” Series have cast iron volutes and adapters. “C” Series have

bronze volutes and adapters. Impellers on both series are bronze.

INSTALLATION

Location of Unit

Install pump as close to liquid source as possible, using short, simple

suction piping.

Piping should be as direct as possible; elbows and other fittings greatly

increase friction losses.

Allow service and maintenance access.

Mount on solid, rigid, vibration-free foundation.

Protect pump against flooding and excess moisture.

Piping

Pump is not self-priming. Unless liquid source level is above pump suc-

tion at all times, install a foot valve on suction pipe.

Support both suction and discharge piping independently near the pump

to avoid placing strains on pump. Start all piping at pump to avoid strains

left by a gap at last connection.

If possible, increase size of both suction and discharge piping if more

than short runs are required.

NOTICE: Never use a suction pipe smaller than the suction connection of

the pump.

NOTICE: If a reducer is necessary in the suction piping, always use an

eccentric reducer with the straight side on top.

NOTICE: BE SURE suction does not leak. Suction pipe must slope grad-

ually upward to the pump. Avoid any fittings which might cause an air

trap.

Install gate valve and union in suction and discharge lines. If complete

pump removal is required for service, close gate valves and disconnect at

unions.

Grounding the Motor

Can shock, burn or cause death.

Ground motor before working

on pump or motor.

Install, ground, wire and maintain this pump in accordance with the

National Electrical Code, Article 250, or applicable local Codes and

Ordinances.

Ground the pump permanently using a wire of size and type specified

by National or Local Electrical Code.

Connect ground wire first. Connect to ground first, then to motor termi-

nal provide. Do not connect motor to electrical power supply until unit is

permanently grounded. Any other sequence may cause serious shock

hazard. Do not ground to a gas supply line.

The motor grounding wire need not be larger than the wires supplying the

motor, provided the supply wires conform to the wiring date included in

this manual (see Table I, Page 5).

Hazardous

voltage

Installation / Maintenance 5

Wiring

NOTICE: For 575 volt installations, see motor nameplate. Consult a

licensed electrician for wiring information. Installation must meet code.

For 200, 230, and 460 volt installations, check fusing/wiring data chart

(Table I, below) before connecting pump to power source.

Check that voltage/frequency on motor nameplate are identical with volt-

age/frequency of incoming power supply.

NOTICE: Wire dual voltage motors correctly according to wiring diagram

on motor.

Check rotation of motor. Look through opening in adapter. Rotation

should be clockwise when viewed from the motor end. If not:

•Turn pump OFF and disconnect from power source.

•For three-phase motors, reverse any two leads to motor starter.

•For single phase motors, re-connect according to wiring diagram on

motor.

Priming the Pump

NOTICE: NEVER run pump dry. To run pump dry may damage seals.

To Prime:

1. If pump is installed below liquid source level, open gate valve in suc-

tion line and flood suction.

2. If pump is not installed below liquid source level, fill pump through a

tee installed in pump discharge and fitted with a priming plug in the

upright position.

Tighten priming plug securely after priming!

TABLE I - RECOMMENDED FUSING AND WIRING DATA - 60 CYCLE MOTORS

DIAMETER IN FEET FROM MOTOR TO METER (METERS)

BRANCH

0’(0) 101’(31) 201’(62) 301’(92) 401’(123)

MAX. FUSE*

TO TO TO TO TO

MOTOR LOAD RATING

100’(30) 200’(61) 300’(91) 400’(122) 500’(152)

HP PHASE VOLTS AMPS AMPS

WIRE SIZE

31230 17.0 25 10 (5.5) 10 (5.5) 10 (5.5) 8 (8.4) 8 (8.4)

33200 11.0 15 14 (2) 14 (2) 12 (3) 10 (5.5) 10 (5.5)

33230 9.6 15 14 (2) 14 (2) 12 (3) 12 (3) 10 (5.5)

33460 4.8 15 14 (2) 14 (2) 14 (2) 14 (2) 14 (2)

51230 28.0 40 8 (8.4) 8 (8.4) 8 (8.4) 6 (14) 6 (14)

53200 17.5 25 10 (5.5) 10 (5.5) 10 (5.5) 8 (8.4) 8 (8.4)

53230 15.2 20 12 (3) 12 (3) 10 (5.5) 10 (5.5) 8 (8.4)

53460 7.6 15 14 (2) 14 (2) 14 (2) 14 (2) 14 (2)

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

IMPORTANT: BE SURE lead wire opening on end of

motor is fully sealed when conduit or a pressure switch

is not used. Failure to seal it properly will allow dirt, rain,

bugs, etc. to enter back compartment of motor through

conduit opening and cause switch malfunction.

Stationary

Seat

Rotating

Seal

Spring

1419 1294

If Gear Puller is used,

place jackscrew here.

Rotating Seat will come off

with adapter/sealplate.

1420 1294

Figure 1

Figure 2

Maintenance 6

MAINTENANCE

Little or no maintenance to pump is required other than possible replace-

ment of shaft seal after a reasonable period of operation (see below).

Lubricate motor according to motor manufacturer’s instructions. Periodic

greasing is required for most motors.

PUMP STORAGE

Drain pump to prevent freezing.

Keep motor dry and loosely covered. Do not wrap with plastic sheeting;

trapped moisture could cause corrosion or insulation deterioration.

NOTICE: Agood rust inhibitor in the liquid end of cast iron pumps is rec-

ommended to prevent excessive corrosion.

PUMP START-UP AFTER STORAGE

Replace all drain plugs and close all drain valves in system.

Be sure all connections are tightly sealed.

After inital check is made, fill pump according to “Priming the Pump”

above.

SHAFT SEAL REPLACEMENT

NOTICE: The highly polished and lapped faces of the seal are easily

damaged. Follow instructions and handle the seal with care.

Be sure unit is grounded and power

disconnected before attempting any

work on pump or motor.

REMOVAL OF OLD SEAL

Refer to Figure 1 for Mechanical Seal parts identification.

1. Remove motor hold down bolts and bolts holding adapter/seal plate to

volute. Slide motor, adapter/seal plate and impeller backward to clear

volute.

2. Remove impeller screw and washer from end of shaft and slide

impeller off of shaft.

3. Unbolt adapter/seal plate from motor.

4. Use two screwdrivers (Figure 2) or bearing puller to carefully separate

motor from adapter/seal plate, bringing rotating half of seal off with

adapter/seal plate. Shaft sleeve may come off with seal.

5. Use hammer, if necessary, to drive shaft sleeve out of seal. Clean up

shaft sleeve with emery paper if necessary.

6. Place adapter/seal plate face down on bench and drive old stationary

half of seal out of adapter/seal plate by carefully tapping with screw-

driver and hammer (Figure 3).

7. Use a wire brush to thoroughly clean adapter/seal plate cavity. Be sure

all dust and grime are out of seal cavity before installing new seal.

Hazardous

voltage

If Gear Puller is used,

place jackscrew here.

Rotating Seat will

come off with

adapter/sealplate

Maintenance 7

INSTALLING NEW SEAL

1. NOTICE: Seal faces are highly polished and lapped. Handle with

care. Any mar, nick or scratch on seal face will cause it to leak.

BE SURE to install with polished faces toward each other.

2. Clean polished surface of ceramic seat with clean cloth.

3. Wet O-Ring around ceramic seat with liquid soap.

4. Press stationary (ceramic) half of seal cavity into cavity firmly and

squarely with thumb pressure. If it does not seat properly, remove and

place seal face up on bench. Re-clean adapter/seal plate cavity. Seal

should now seat correctly.

5. If seal does not seat after re-cleaning adapter/seal plate cavity, place

a cardboard washer over polished face of seal and carefully press

into place using a piece of 1” standard pipe as a press (Figure 4).

NOTICE: BE SURE you do not scratch seal face.

6. Dispose of cardboard washer and recheck seal face to be sure it is

free of dirt, foreign particles, scratches and grease.

7. Inspect shaft and shaft sleeve to be sure they are clean.

8. Re-install O-Ring, shaft sleeve and slinger on shaft.

NOTICE: Asmall amount of grease or Never-Seez under shaft sleeve

will help prevent shaft and sleeve from freezing together when pump

is in service.

9. Remount adapter/seal plate to motor, being careful not to scratch seal

face.

10. Apply liquid soap to inside diameter and outside face of rubber drive

ring on rotating half of seal.

11. Slide seal assembly onto shaft sleeve (sealing face first) far enough

so that seal spring is located on shaft sleeve.

NOTICE: Be careful not to nick carbon seal face when passing it

over end of shaft sleeve.

12. Slide impeller and gaskets onto shaft with key in position. Be sure to

maintain proper order as shown in Exploded View, Page 9.

13. Install washer and impeller screw on end of shaft and tighten screw

until it is snug. This should locate seal in place and bring seal faces

together.

14. Reinstall motor, adapter and impeller assembly on volute, using new

gasket.

15. Reinstall motor hold-down bolts.

16. Check all bolts for tightness.

1421 1294

1" Standard Pipe

Stationary Seat

Cardboard

Washer

(Supplied with seal)

1422 1294

Figure 3

Figure 4

Troubleshooting 8

SYMPTOM KEY NUMBERS FOR CAUSES

Pump does not deliver liquid 1, 2, 3, 4, 6, 10, 12, 14, 15, 20, 21

Pump delivers too little flow 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 18, 20, 21, 27, 28

Delivery pressure too low 5, 12, 13, 14, 15, 18, 20, 27, 28

Pump loses prime after starting 2, 3, 5, 6, 7, 10

Pump needs too much power 13, 14, 15, 16, 17, 18, 21, 22, 24, 25, 27

Seal leaks 22, 24, 29, 30

Pump vibrates or is noisy 2, 3, 4, 8, 9, 10, 11, 19, 21, 22, 23, 24, 25, 26, 28, 29, 30,

31, 32, 33, 34

Motor bearings have short life 22, 24, 25, 26, 29, 30, 31, 32, 33, 34

Pump overheats and/or seizes 1, 4, 19, 20, 22, 25, 26, 29, 30

CAUSES

1. Pump not primed. 18. Viscosity of liquid different than design.

2. Pump or suction pipe not completely full of liquid. 19. Pump operating at very low capacity.

3. Suction lift too high. 20. Parallel operation of pumps unsuited for such operation.

4. Pump cavitating; increase suction pressure. 21. Foreign matter in impeller.

5. Excessive amount of air or gas in liquid. 22. Misalignment of pump or piping.

6. Air pockets in suction pipe. 23. Foundations not rigid.

7. Air leakage in suction pipe. 24. Shaft bent.

8. Foot valve too small. 25. Rotating part rubbing on stationary part.

9. Foot valve partially clogged. 26. Bearings worn.

10. Suction pipe inlet not sufficiently submerged. 27. Wear ring worn.

11.Impeller, suction or trap partially or completely 28. Impeller damaged.

plugged. 29. Shaft running off center due to worn bearings or

12. Speed too low. misalignment.

13. Voltage wrong or too low. 30. Impeller out of balance resulting in vibration.

14. Wrong direction of rotation. 31. Excessive grease in bearing causing high bearing

temperature.

15. System head too high for pump design. 32. lack of lubrication.

16. System head too low for pump design. 33. Dirt in bearings.

17. Specific gravity of liquid different than design. 34. Rust in bearings due to water getting into motor.

Read symptom describing problem below at left. Causes

for problems (bottom) are keyed to numbers at right.

Check pump for causes listed at right and correct those

that apply.

Hazardous voltage. Can shock, burn or

kill. Take all normal precautions for the voltage involved.

Repair Parts 9

1839 0695

1128 0695

Key Part

No. Description Cast Iron Bronze

1* Lock Handle C154-18D C154-18D

2Cover - 6” C30-30 C3-78DZZ

2Cover - 8” C3-105 C3-105D

2Cover - 11” C3-76 –

3O-Ring - 6” U9-46 U9-46

3O-Ring - 8” U9-171 U9-171

3O-Ring - 11” U9-105 –

4Strainer Basket - 6” C108-11P C108-11P

4Strainer Basket - 8” C108-34SS C108-34SS

4Strainer Basket - 11” C108-25SS –

5Suction Trap Body - 6” C53-5B C53-5D

5Suction Trap Body - 8” C53-21 C53-21D

5Suction Trap Body - 11” C53-8 –

6** Pipe Plug 1/4” U78-57DT U78-57DT

7Gasket, Flange C20-19 C20-19

8Capscrew, 3/8-16x1-3/4” – U30-77C

9Nut, Hex 3/8-16 – U36-38C

•Capscrew, 5/16-18x7/8” U30-61C(4) U30-61C(4)

Suction Trap Complete - 6” Pkg. #51 Pkg. #56

Suction Trap Complete - 8” Pkg. #98 Pkg. #99

Suction Trap Complete - 11” Pkg. #74 –

Quantity 1 unless otherwise noted ( ).

•Not illustrated.

*6” has 2 each; 8” & 11” have 4 each.

** 6” & 8” have 1 each; 11” has 2 each.

6” Suction Trap 8” and 11” Suction Trap

NOTICE:

Traps are not

included with pumps.

Repair Parts 10

10 12

1904 0795 CC P/S

CCMH-136 CCHH-137S

CCM2H-136 CMH-136 CCHH3-137S

CCM2H-136S CMH3-136 CCHH36-137

CCMH3-136S CCMH36-136 CCH2H-137S CHH-137

CCM2H3-136 CM2H-136 CCH2H3-137 CHH3-137

Key CCM2H3--136S CM2H3-136 CCH2H3-137S CH2H3-137

No. Description Qty. 3 HP 3 HP 3 HP 3 HP

1Motor 230V/60H/1 Ph. 1 C218-177 C218-177 C218-177 C218-177

1Motor 230/460V/60H/3 Ph. 1 C218-179 C218-179 C218-179 C218-179

1Motor 575V/60H/3 Ph. 1 – C218-290C C218-290C –

1Motor 200V/60H/1 Ph. 1 C218-191 C218-191 C218-191 C218-191

1Motor 200V/60H/3 Ph. 1 C218-178 C218-178 C218-178 C218-178

2Water Slinger-1 Ph. 1 C69-15 C69-15 C69-15 C69-15

2Water Slinger-3 Ph. (†) 1 C69-16 C69-16 C69-16 C69-16

3Key, Impeller 1 U65-42A U65-42A U65-42A U65-42A

4O-Ring 1 U9-265 U9-265 U9-265 U9-265

5Adapter 1 C2-81 C2-81D C2-81 C2-81D

6Lockwasher, 3/8” 8 U43-12ZP U43-12ZP U43-12ZP U43-12ZP

7Capscrew, 3/8-16x7/8” 4 U30-73ZP U30-73ZP U30-73ZP U30-73ZP

8Gasket 1 C20-77 C20-77 C20-77 C20-77

9Shaft Seal 1 U109-433SS U109-433SS U109-433SS U109-433SS

10 Shaft Sleeve 1 C23-58 C23-58 C23-58 C23-58

11 Gasket, Sleeve 1 C20-101 C20-101 C20-101 C20-101

12 Impeller 1 C105-224DD C105-224DD – –

12 Impeller (Silicon Brass) 1 C105-224DG C105-224DG C105-224DF C105-224DF

13 Gasket, Impeller 1 C20-100 C20-100 C20-100 C20-100

14 Washer, Impeller 1 C43-45SS C43-45SS C43-45SS C43-45SS

15 Washer, Stat-O-Seal 1 C43-46 C43-46 C43-46 C43-46

16 Screw, Impeller 3/8-16x3/4” 1 U30-72SS U30-72SS U30-72SS U30-72SS

17 Wear Ring Only 1 C23-40 C23-40 C23-40 C23-40

18 Volute Assembly (includes 18A & 20) 1 C201-174 C201-174D C201-174 C201-174D

18A Volute Assemby (Incl. 17 Only) 1 C101-167 C101-167D C101-167 C101-167D

19 Capscrew 5/16-18x3/4” 4 U30-62ZP U30-62ZP U30-62ZP U30-62ZP

20 Pipe Plug, 1/4” NPT, Hex Head 1 U78-941ZPV U78-941ZPV U78-941ZPV U78-941ZPV

21 Stud, 3/8-16x1-1/4” 4 U30-22SS U30-22SS U30-22SS U30-22SS

22 Nut, Hex 3/8x16 4 U36-38ZP U36-38SSW U36-38ZP U36-38SSW

23 Pipe Plug, 1/4” NPT 1 U78-57SSS U78-57SSS U78-57SSS U78-57SST

Model numbers with a “3” in them indicate a 3-Phase motor.

Model numbers with a “2” in them indicate a 200V motor.

NOTE: C Series with different hydraulic numbers (CCMH-93) are older models that use different parts.

Consult factory for older models.

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