STA-RITE D Series Bedienungsanleitung

“D” SERIES

CENTRIFUGAL PUMPS WITH TRAP

FOR SWIMMING POOL USE

O W N E R’ S M A N U A L

INSTALLATION, OPERATION & PARTS

Sta-Rite Pool/Spa Group

293 Wright Street, Delavan, WI 53115

International: 262-728-5551, FAX: 262-728-7550

www.starite.com

Union City, TN • Delavan, WI • Mississauga, Ont. • Murrieta, CA

This manual should be furnished to

the end user of this pump; its use will

reduce service calls and chance of

injury and will lengthen pump life.

MODELS

Medium Head High Head Medium Head High Head

H.P. Phase Models Models Models Models

3 1 DMH-171 DHH-169 DM2H-110 DH2H-112

3 3 DMH3-171 DHH3-169 DM2H3-110 DH2H3-112

5 1 DMJ-111 DHJ-113 DM2J-111 DH2J-113

5 3 DMJ3-111 DHJ3-113 DM2J3-111 DH2J3-113

‘

D’ SERIES SELF-PRIMING

CENTRIFUGAL PUMP and

STRAINER

To avoid unneeded service calls, prevent possible injuries, and get the most

out of your pump, READ THIS MANUAL CAREFULLY!

The Sta-Rite ‘D’ Series Self-priming Centrifugal pump:

• Is designed for use with commercial swimming pools and spas.

• Is an excellent performer; durable, reliable.

Table of Contents

Safety Instructions ......................................................................................3

Uncrating and Inspection ............................................................................4

Installation...............................................................................................4-6

Electrical..................................................................................................7-8

Operation ...................................................................................................9

Service ...............................................................................................10-12

Troubleshooting Guide..............................................................................13

Repair Parts List ...................................................................................14-15

Warranty...................................................................................................16

READ AND FOLLOW SAFETY

INSTRUCTIONS!

This is the safety alert symbol. When you see this symbol on your system

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 death, serious personal

injury, or major property damage if ignored.

warns about hazards that can cause death, serious personal

injury, or major property damage if ignored.

warns about hazards that will or can cause minor personal injury

or property damage if ignored.

NOTICE indicates special instructions not related to hazards.

Carefully read and follow all safety instructions in this manual and on equip-

ment. Keep safety labels in good condition; replace if missing or damaged.

Incorrectly installed or tested equipment may fail, causing

severe injury or property damage.

Read and follow instructions in owner's manual when installing

and operating equipment. Have a trained pool professional

perform all pressure tests.

1. Do not connect system to a high pressure or city water system.

2. Use equipment only in a pool or spa installation.

3. Install pump with at least 2 hydraulically balanced main drains equipped

with correctly installed, screw-fastened, anti-entrapment certified covers.

See Page 4.

4. Trapped air in system can cause explosion. BE SURE all air is out of system

before operating or testing equipment.

Before pressure testing, make the following safety checks:

• Check all clamps, bolts, lids, and system accessories before testing.

• Release all air in system before testing.

• Tighten Sta-Rite trap lids to 25 ft. lbs. (3.5 kg-m) torque for testing.

•Water pressure for test must be less than 25 PSI (7.5 kg/cm2).

• Water Temperature for test must be less than 100oF. (38oC).

• Limit test to 24 hours. After test, visually check system to be sure it is ready

for operation. Remove trap lid and retighten hand tight only.

NOTICE: These parameters apply to Sta-Rite equipment only.

For non-Sta-Rite equipment, consult manufacturer.

IMPORTANT

SAFETY

INSTRUCTIONS

Always follow basic safety pre-

cautions with this equipment, in-

cluding the following.

To reduce the risk of

injury, do not permit children to

use this product unless they are

closely supervised at all times.

This pump is for use

with permanently installed pools

and may also be used with hot

tubs and spas if so marked. Do

not use with storable pools. A

permanently installed pool is con-

structed in or on the ground or in

a building such that it cannot be

readily disassembled for storage.

A storable pool is constructed so

that it may be readily disassem-

bled for storage and reassembled

to its original integrity.

SAVE THESE

INSTRUCTIONS

UNCRATING AND INSPECTION

Handle with care.

Check items received against packing list to be sure that all equipment has

been received.

Inspect for shipping damage. If found, file claim with carrier immediately.

Cleanup

Clean up foundation and surrounding area. Remove all trash and other materi-

als which will interfere with installation.

For easy assembly, make sure all threaded joints and mating surfaces are

clean. If necessary, clean with wire brush and solvent.

To reduce danger of explosion and fire, do not use gasoline as a

cleaning solvent.

Remove all foreign material (packing, etc.) from pump and strainer.

Fire and burn hazard. Modern motors run at high temperatures.

To reduce the risk of fire, do not allow leaves, debris, or foreign matter to col-

lect around the pump motor. To avoid burns when handling the motor, let it

cool for 20 minutes before trying to work on it.

INSTALLATION

Only qualified, licensed personnel should install pump and wiring.

Pump is designed for use in fresh water only.

Foundation

Foundation must:

Be located away from corrosive or flammable liquids.

Have enough ventilation to maintain air temperature at less than the maxi-

mum ambient temperature rating (Max. Amb.) listed on the motor model

plate. If this pump is installed in an enclosure/pump house, the enclosure

must have adequate ventilation and air circulation to keep the temperature in

the enclosure at or below the motor’s rated ambient temperature whenever

the pump is running.

Be Solid - Level - Rigid - Vibration free.

Be provided with necessary hold-down bolts, washers, and shims.

Allow pump inlet to be as close to water level as possible.

Use short, direct suction pipe (to reduce friction losses).

Maximum suction lift is 10’ (3 m).

Allow for isolation valves in suction and discharge piping.

Have adequate floor drainage to prevent flooding.

Be protected from excess moisture.

Allow adequate access for servicing pump and piping.

POOL PUMP SUCTION

REQUIREMENTS

Pump suction is hazardous and can trap and drown or disem-

bowel bathers. Do not use or allow anyone else to use a pool, spa, or hot tub

unless it has at least two suction outlets to each pump suction line (see

“Outlets Per Pump,” Page 5). Do not use or operate swimming pools, spas,

or hot tubs if a suction outlet cover is missing, broken, or loose. Follow the

guidelines below for a pump installation which minimizes risk to users of

pools, spas, and hot tubs.

Entrapment Protection

The pump suction system

must

provide protection against the hazard of

suction entrapment or hair entrapment/entanglement.

Suction Outlet Covers

All suction outlet covers must be maintained. They must be replaced if

cracked, broken, or missing.

See Page 5 for outlet cover certification requirements.

All suction outlets must have correctly installed, screw-fastened covers in

place.

Outlets Per Pump

Provide at least two hydraulically balanced main drains, with covers (see

Page 4), for each swimming pool pump suction line. The centers of the main

drains (suction outlets) must be at least three feet apart.

The system must be built so that it cannot operate with the pump drawing

water from only

one

main drain (that is, there must be at least two main drains

connected to the pump whenever it is running). (See Figure 1). However, if

two main drains run into a single suction line, the single suction line may be

equipped with a valve which will shutoff

both

main drains from the pump

(see Figure 1).

More than one pump can be connected to a single suction line as long as the

requirements above are met.

Water Velocity

If 100% of the pump’s flow comes from the main drain system, the maximum

water velocity in the pump suction hydraulic system must be seven feet per

second or less even if one main drain (suction fitting) is completely blocked.

The flow through the remaining main drain(s) must comply with the latest

ASME/ANSI Specification for

Suction Fittings For Use in Swimming Pools,

Spas, Hot Tubs, and Whirlpool Bathtub Applications.

At Least

3 Feet

Main Drain Main Drain

Anti-entrapment

Cover, screw-fastened

to Main Drain Sump

Anti-entrapment

Cover, screw-fastened

to Main Drain Sump

Pump

Valves OK between

pump and Tee

No valves between

Tee and Main Drains

2515 0497

Figure 1 – Recommended pump suction layout.

Piping – General

System piping must be at least equal to size of pump connections.

To prevent strain on the pump casing and foundation, pipe and fittings must

be aligned to pump without forcing.

To avoid strains on the pump, support both suction and discharge pipes

independently. Place these supports near the pump.

To avoid a strain left by a gap at the last connection, start all piping at the

pump and run pipe away from the pump.

Piping – Suction

Risk of severe injury or drowning from hair or body

entrapment. To reduce risk of entrapment against pump suc-

tion opening, connect pump to multiple drains and skimmers

of non-entrapment design. See “Pool Pump Suction

Requirements,” Pages 4 and 5.

NOTICE: If pump suction becomes clogged, pump will cavitate, damaging

pump internal parts. Keep suction pipe clear of debris, dirt, etc.

NOTICE: To prevent flooding when removing pump for service, all flooded

suction systems must have valves in suction and discharge pipes.

Never use a suction pipe smaller than the pump suction connection.

Use larger pipe as required to keep water velocity below 7 feet per second or

local construction code limits, whichever is lower.

Suction pipe must rise continuously from source to pump. To avoid airlock-

ing, do not allow high spots in pipe.

When using reducer to connect to pump flange, use an eccentric reducer with

the straight side on top.

Piping – Discharge

Maximum water velocity should be 10 feet per second. To minimize friction

losses, make piping one size larger than pump openings.

Fittings restrict flow; for best performance use fewest possible fittings.

Avoid fittings which could cause an air trap.

Pool fittings must conform to International Association of Plumbing and

Mechanical Officials (IAPMO) standards.

Strainer

Maximum hydrostatic test pressure is 25 PSI (172 kPa) water

pressure. To avoid explosion hazard, DO NOT test strainer

with air pressure. Air pressure in strainer can blow cover off of

strainer body, which can cause severe or fatal injury. Open fil-

ter air release valve and release ALL air (wait for a steady stream of water from

vent) before hydrostatically testing strainer.

To avoid breaking pump or putting unnecessary strains on pump or strainer

body, support pipe independently of pump/strainer.

Center the strainer cover when installing it (especially when pressure testing).

When installing cover, clean O-Ring groove in strainer body, and lubricate

with petroleum jelly as follows:

A. O-Ring;

B. Sealing surfaces of strainer cover and body;

C. Threads and faces of wing nuts.

This will prevent corrosion, improve seal, and ease maintenance.

If strainer is installed backwards, debris will collect in suction pipe instead of

in strainer basket. Install strainer with cast-on flow arrows pointing in direc-

tion of water flow.

Hazardous

suction.

Hazardous suction.

Can trap hair or

body parts, causing

severe injury

or death.

Do not block

suction.

ELECTRICAL

Disconnect power at service panel before connecting motor.

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 seriously damage motor and voids warranty.

If in doubt consult a licensed electrician.

Use wire size specified in Wiring Chart. If possible, connect pump to a

separate branch circuit with no other appliances on it.

Single phase motors come factory wired for 230 volt operation. Do not alter

wiring in single phase motors. Match motor voltage to power supply voltage.

Do not connect three phase motors to single phase power supply or single

phase motors to three phase power supply.

All electrical wiring, grounding, and bonding must be done by a licensed

electrical contractor who is familiar with commercial swimming pool installa-

tions and electrical codes and requirements. Wire sizing, wire type, branch

circuit fuse protection, motor starter, control equipment, and related items

must meet National Electrical Code and local code requirements.

Wiring

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

electrical code and all other codes and ordinances 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 a gas supply line.

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

terminal provided (identified as GRD or ). Make ground connection to

this terminal. Do not connect motor to electrical power supply until unit is

permanently grounded; otherwise serious or fatal electrical shock hazard

may be caused.

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

service panel.

5. Motors do not have internal overload protection; provide external overload

protection in the power supply circuit.

Bond motor to pool structure according to local or National Electrical Code.

Use a solid copper conductor, size No. 8 (6.0 mm2) AWG or larger.

Hazardous voltage.

Can shock, burn,

or cause death.

Ground pump before

connecting to

power supply.

NOTICE: Before using pump, check your motor nameplate for voltage. Your

electric supply voltage and the stamped nameplate voltage must agree.

Motors stamped 200 volts only or 230 volts only, must be used with that volt-

age only. Motors stamped with two voltages (for example 230/460 volts), may

be used with either supply voltage. For these motors check connections

against wiring diagram on motor nameplate and make any changes necessary

to agree with your supply voltage. If in doubt, call a licensed electrician.

Incorrect voltage will cause serious damage to the motor.

Some models are equipped with three phase motors. Three phase motors re-

quire magnetic starters.

To check motors for proper rotation: Remove the motor end cover. This ex-

poses the motor shaft. If hook-up is correct, the shaft will rotate clockwise.

Three Phase: If rotation is not clockwise, reverse any two leads to the starter.

The rotation will now be correct.

Single Phase: See wiring diagram on motor nameplate. BE SURE power is off

to the motor when working on electrical connections.

Burn Hazard. Motor normally operates at high temperature and

will be too hot to touch. Before handling pump or motor, stop motor and

allow it to cool for 20 minutes.

OPERATION

Hazardous suction. Can trap hair or body parts, causing severe

injury or death by drowning. Do not block pump or strainer

suction with body. Small children using pool must ALWAYS

have close adult supervision!

Do not run pump against closed discharge valve. To do so can

boil water in pump body, and can cause severe burns to people working on

pump.

Fire and burn hazard. Modern motors run at high temperatures.

To reduce the risk of fire, do not allow leaves, debris, or foreign matter to col-

lect around the pump motor. To avoid burns when handling the motor, let it

cool for 20 minutes before trying to work on it. An automatic internal cutoff

TABLE I – ELECTRICAL DATA - FUSING AND WIRING REQUIREMENTS

Serv. to Motor - Dist. in Ft. (M)

Motor Voltage/ Max Load Branch Fuse 0-100' 101-200' 201-300'

Model HP Hz/Phase Amps Rating Amps* (0-30M) (30-60M) (60-90M)

DMH-171, DHH-169 3 230/60/1 13.4 20 12(3) 12(3) 10(5.5)

DM2H-110, DH2H-112 3 200/60/1 17.2 25 10(5.5) 10(5.5) 10(5.5)

DM2H3-110, DH2H3-112 3 200/60/3 8.4 15 14(2) 14(2) 14(2)

DMH3-171, DHH3-169 3 230/460/60/3 8.6/4.3 15/15 14(2)/14(2) 14(2)/14(2) 14(2)/14(2)

DMJ-111, DHJ-113 5 230/60/1 22.0 30 10(5.5) 10(5.5) 8(8.4)

DM2J-111, DH2J-113 5 200/60/1 26.4 40 8(8.4) 8(8.4) 8(8.4)

DM2J3-114, DH2J3-113 5 200/60/3 13.8 20 12(3) 12(3) 12(3)

DMJ3-111, DHJ3-113 5 230/460/60/3 13.2/6.6 20/15 12(3)/14(2) 12(3)/14(2) 12(3)/14(2)

Hazardous

suction.

switch protects the motor from heat damage during operation.

NEVER run pump dry. Running pump dry may damage seals,

causing leakage and flooding. Fill pump with water before starting motor.

Before removing strainer cover:

1. STOP PUMP before proceeding.

2. CLOSE GATE VALVES in suction and discharge pipes.

3. RELEASE ALL PRESSURE from pump and piping system.

After pressure test, release all pressure before removing strainer cover!

NOTICE: Provide adequate ventilation. Ambient air temperature should be

104°F (40°C) or less but above freezing at all times.

NOTICE: To prevent corrosion damage, store pool chemicals in another room

away from pump.

Priming Pump

Hazardous Pressure! Before removing strainer cover, open filter

air release valve and release all pressure from system.

Open suction/discharge. In a flooded suction system, pump will prime. If

pump is not in a flooded suction system, remove strainer cover; fill strainer

and pump with water.

If necessary, use a wrench on flats when removing lock handles (Key No. 1,

Page 15).

When installing cover, clean O-Ring sealing surface on strainer body, and

lubricate with petroleum jelly as follows:

A. O-Ring and Sealing surfaces of strainer cover and body;

B. Threads and faces of lock handles.

This will prevent corrosion, improve seal, and ease maintenance.

Center strainer cover when installing it (especially when pressure testing).

Hand tighten lock handles. When tightening, alternate back and forth be-

tween handles to compress O-Ring evenly.

Maximum lock handle torque is 25 ft.-lbs. (3.5 kg.-m).

Start pump; it should prime now. Priming time will depend on vertical length

of suction lift (10'/3m maximum) and horizontal length of suction pipe.

If pump does not prime, make sure that all valves are open, suction pipe end

is under water and that there are no leaks in suction pipe. See

Troubleshooting Guide, Page 13.

NOTICE: To avoid corrosion damage to pump and strainer, do not add chemi-

cals to system anywhere on suction side of pump (including into skimmers).

Do not pour chemicals into strainer. Follow chemical manufacturer’s instruc-

tions when mixing or adding chemicals to system.

‘D’ SERIES COMMERCIAL POOL

PUMP DISASSEMBLY/

ASSEMBLY

See Exploded View, Page 14.

Shaft Seal Replacement

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

aged. 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 2 for Mechanical Seal parts identification.

1. Disconnect all power to pump.

2. Close isolation valves to cut pump off from system.

3. Drain pump and strainer; be sure to vent pump.

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

(Key No. 6, Page 14) to volute (Key No. 20). Slide motor, adapter/seal plate

and impeller (Key No. 12) backward to clear volute.

5. Remove impeller screw and washer from end of shaft and slide impeller off

of shaft.

6. Unbolt adapter/seal plate from motor.

7. Use two screwdrivers (Figure 3) or bearing puller to carefully separate

motor from adapter/seal plate, bringing rotating half of seal (Key No. 10) off

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

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

sleeve with fine emery paper if necessary.

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

of seal out of adapter/seal plate by carefully tapping with screwdriver and

hammer (Figure 4).

10. 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.

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 into seal 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 card-

board washer over polished face of seal and carefully press into place

using a piece of 1” standard pipe as a press (Figure 5).

Hazardous

voltage

Figure 3

If Gear Puller is used,

place jackscrew here.

Rotating Seat will come off

with adapter/sealplate.

1420 1294

Figure 4

1421 1294

Figure 5

1" Standard Pipe

Stationary Seat

Cardboard

Washer

(Supplied with seal)

1422 1294

Stationary

Seat

Rotating

Seal

Spring

1419 1294

Figure 2

Andere Handbücher für D Series

Dieses Handbuch passt für folgende Modelle

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