EBARA Dominator DWU Manual de operación y mantenimiento

Model DWU, DWXU

Dominator

EBARA Fluid Handling

EBARA International Corporation

Operating Instructions, Installation & Maintenance Manual

Submersible Sewage Pump

Thank you for purchasing this Ebara Stainless Steel Pump. We

hope you are pleased with your purchase and that our pumps will

provide you with long service life and exceptional performance.

To ensure satisfactory service life, there are several considerations

regarding proper installation, operation and power source. Please

review the recommendations outlined within the installation and

operation manual.

Please contact your supplier (supplying dealer or contractor) if

service is necessary or if you have any questions or need further

assistance.

Please retain the following information for your records and to

help expedite service:

Purchase Date: ____________________________

Purchased From: ____________________________

____________________________

Serial No: ____________________________

(Located on the pump nameplate)

Note: For assistance locating the serial number and name plate, please

refer to page 4 of your owner’s manual.

EBARA Fluid Handling

www.pumpsebara.com

1651 Cedar Line Drive • Rock Hill, SC 29730 • (t) 803 327 5005 • (f) 803 327 5097

EBARA Fluid Handling

www.pumpsebara.com

(t) 803 327-5005 • (f) 803 327-5097

DWU, DWXU

Contents

Section Page

Manufacturer Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Pump Identification Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Safety Information/Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Electrical Information (Single phase) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Wiring Diagrams (Single phase) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Electrical Information (Three phase) . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Wiring Diagrams (Three phase) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Typical Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Installation Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Installation Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Float Switch Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Sectional Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Assembly and Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Manufacturer Data

EBARA International Corporation

1651 Cedar Line Drive

Rock Hill, SC 29730

File #: 105970

Note: All Models are CSA listed except 3HP Dominator.

EBARA Fluid Handling

www.pumpsebara.com

(t) 803 327-5005 • (f) 803 327-5097

DWU, DWXU

Pump Identification Data

Pump Data

Description: Submersible Sewage Pump

Model: DWU, DWXU

Year of manufacture:

see name plate on the pump (see nameplate

illustration below)

Note: This label shows all of the

electrical data required for proper

installation.

CAUTION

Call an electrician when in doubt. Improper installation can result in harm to people

and/or damage to equipment.

EBARA Fluid Handling

www.pumpsebara.com

(t) 803 327-5005 • (f) 803 327-5097

DWU, DWXU

Safety Information and Introduction

WARNING

Before handling this pump, always disconnect

the power first.

This pump should only be serviced by a qualified person or a

factory trained person.

CAUTION

This instruction manual includes necessary items for installation, operation

and

maintenance.

Read this manual carefully to ensure correct installation,

operation and maintenance.

Be sure to keep this instruction manual on hand for future reference.

EBARA’s Dominator sewage pumps are designed for reliable pumping of waste

water with suspended

solids up to 2" in diameter. Maximum fluid temperature

40°C, 104°F

(possible intermittent duty to 60°C,140°F when totally submersed).

Stainless steel construction is ideal for residential, commercial, and industrial

applications. Dual seals are a standard feature enhancing the rugged, high

service factor motor design.

The EBARA Dominator is superior in dependability and efficiency. High quality

components are stronger, dimensionally consistent, and lighter weight compared

to conventional cast iron parts.

EBARA stainless steel is engineered for the

professional and built for lasting performance and value.

Electrical Installation

Electrical service for any sump pump installation must be grounded and separately

fused or breakered directly from the entrance box with a single grounding type

receptacle. You should never touch a sump pump or discharge piping while the

pump is connected to electrical power and water is present. The pump should

be disconnected from the electrical source before handling in all cases.

Discharge Piping Installation

To assure the maximum performance from your pump, the discharge pipe size

and piping fittings should not be smaller than the discharge port of the pump.

Smaller pipe will add to friction losses and reduce the capacity of the pump.

CAUTION

Call an electrician when in doubt. Improper installation can result in harm to people

and/or damage to equipment.

Electrical information – Single Phase

• Use a separate 15 amp circuit breaker or 15 amp fuse block with the pump.

•Do not use an extension cord with the pump.

•Do not cut off the ground pin or use an adapter fitting.

•Do not work on the pump or switch until any or all power cords are

unplugged.

• Failure to follow these guidelines my cause severe damage to the pump and

will void warranty.

IMPORTANT INSTRUCTIONS BEFORE INSTALLATION

Failure to follow these instructions may cause serious bodily injury and/or

property damage.

• Pumps are 115 V, 60Hz or 230V 60Hz.

• Please check the voltage rating on the pump nameplate prior to installation.

WARNING

Risk of electric shock

This pump is supplied with a grounding conductor or a grounding-

type attachment plug. To reduce the risk of electric shock, be

certain that it is connected only to a properly grounded, grounding-

type receptacle.

EBARA Fluid Handling

www.pumpsebara.com

(t) 803 327-5005 • (f) 803 327-5097

DWU, DWXU

Safety Information and Introduction

(continued)

Normally accepted materials are galvanized pipe, rigid plastic pipe or

acceptable

flexible pipe or hose.

Where the discharge pipe is long, a check valve is often

employed to prevent the water from flowing back into the sump when the pump

turns off. If the discharge is directed into a sanitary sewer, a suitable anti-siphon

device or a free flow check valve should be inserted in the line to prevent back-

flow into the pit.

Pump Installation

When the sump, electrical and discharge plumbing installation is complete and

ready for the pump, clean all solid debris from the pit. Complete the plumbing

connection to the pump and then plug the pump into the electrical outlet. A few

extra minutes to test the sump pump installation are now in order.

Fill the sump with water, note the turn on and turn off level of the pump, and the

pumping cycle. This will allow you to calculate the approximate discharge flow of

the pump system. If everything is operating properly, install the sump cover.

EBARA Fluid Handling

www.pumpsebara.com

(t) 803 327-5005 • (f) 803 327-5097

DWU, DWXU

Electrical information – Single Phase

(continued)

1. Before installing or servicing your pump, BE CERTAIN pump power source is

disconnected.

2. Installation and electrical wiring must adhere to state and local codes. Check

appropriate community agencies, or contact local electrical and pump

professionals.

3. CALL AN ELECTRICIAN WHEN IN DOUBT. Pump should be connected to

a separate 15 amp circuit breaker or 15 amp fuse block. Plugging into existing

outlets may cause low voltage at motor, causing blown fuses, tripping of

motor overload, or burned out motor.

4. Do not connect pump to a power supply until permanently grounded. For

maximum safety, ground pump to a circuit equipped with a ground fault

interrupter device.

5. Voltage of power supply must match the voltage of the pump.

6. Before installing pump, clear sump basin of any water, debris, or sediment.

WARNING!

Sump basin must be vented in accordance with local plumbing codes.

EBARA DOMINATORS are not designed for and CANNOT be installed in

locations classified as hazardous in the National Electric Code,

ANSI/NFPA 70.

EBARA Fluid Handling

www.pumpsebara.com

(t) 803 327-5005 • (f) 803 327-5097

DWU, DWXU

Wiring Diagram for Automatic Pumps (Single Phase)

• Output 1/2to 1 HP (0.4kw to 0.75kw)

115V

230V

• Output 11/2HP (1.1kw)

230V

EBARA Fluid Handling

www.pumpsebara.com

(t) 803 327-5005 • (f) 803 327-5097

DWU, DWXU

Wiring Diagram for Manual Pumps (Single Phase)

• Output 1/2to 1 HP (0.4kw to 0.75kw)

115V

• Output 1/2to 1 HP (0.4kw to 0.75kw)

230V

• Output 2HP (1.5kw)

230V

• Output 11/2HP (1.1kw)

230V

EBARA Fluid Handling

www.pumpsebara.com

(t) 803 327-5005 • (f) 803 327-5097

DWU, DWXU

Electrical Information – Three Phase

WARNING

Check that the power is locked off and disconnected before working

on pump. All electric work should be performed by a qualified electri-

cian and all national and local electrical codes must be observed.

(2) Cable

a) Never let the end of the cable contact water.

b) If the cable is extended, do not immerse the splice in water.

c) Fasten the cable to the discharge piping with tape or vinyl strips.

d) Install the cable so that it will not overheat. Overheating is caused by coiling

the cable and exposing it to direct sunlight.

(3) Grounding

As shown in Fig. 5 ground the green/yellow wire (label E). Under no

circumstances should the green/yellow wire be connected to the power supply.

(4) Use short circuit breakers to prevent danger of electrical shock.

NOTE:

Use with approved motor control that matches motor input in full load amperes.

Utiliser un d

marreur approuv

convenant au courant

pleine charge du moteur.

Figure 4

MOTOR WIRING DIAGRAM

U phase: black

V phase: red

W phase: white

E phase: green/yellow

ground

plate

Power Lead

Protector Cable*

*Protection Cable must be

connected or warranty will be void.

(1) Wiring

a) Wire as indicated in Fig. 4

b) Loose connections will stop the pump. Make sure all electrical connections

are secure.

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