Grundfos Unilift CC 5 Manual de usuario

Unilift CC 5, CC 7, CC 9

GRUNDFOS INSTRUCTIONS

Installation and operating instructions

Unilift CC 5, CC 7, CC 9

Installation and operating instructions 4

Notice d'installation et de fonctionnement 12

Instrucciones de instalación y funcionamiento 20

LIMITED WARRANTY

Products manufactured by GRUNDFOS PUMPS CORPORATION (Grundfos) are

warranted to the original user only to be free of defects in material and workmanship

for a period of 24 months from date of installation, but not more than 30 months from

date of manufacture. Grundfos' liability under this warranty shall be limited to repairing

or replacing at Grundfos' option, without charge, F.O.B. Grundfos' factory or authorized

service station, any product of Grundfos' manufacture. Grundfos will not be liable for

any costs of removal, installation, transportation, or any other charges which may arise

in connection with a warranty claim. Products which are sold but not manufactured by

Grundfos are subject to the warranty provided by the manufacturer of said products

and not by Grundfos' warranty. Grundfos will not be liable for damage or wear to

products caused by abnormal operating conditions, accident, abuse, misuse,

unauthorized alteration or repair, or if the product was not installed in accordance with

Grundfos' printed installation and operating instructions.

To obtain service under this warranty, the defective product must be returned to the

distributor or dealer of Grundfos' products from which it was purchased together with

proof of purchase and installation date, failure date, and supporting installation data.

Unless otherwise provided, the distributor or dealer will contact Grundfos or an

authorized service station for instructions. Any defective product to be returned to

Grundfos or a service station must be sent freight prepaid; documentation supporting

the warranty claim and/or a Return Material Authorization must be included if so

instructed.

GRUNDFOS WILL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL

DAMAGES, LOSSES, OR EXPENSES ARISING FROM INSTALLATION, USE, OR

ANY OTHER CAUSES. THERE ARE NO EXPRESS OR IMPLIED WARRANTIES,

INCLUDING MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE,

WHICH EXTEND BEYOND THOSE WARRANTIES DESCRIBED OR REFERRED TO

ABOVE.

Some jurisdictions do not allow the exclusion or limitation of incidental or consequential

damages and some jurisdictions do not allow limit actions on how long implied

warranties may last. Therefore, the above limitations or exclusions may not apply to

you. This warranty gives you specific legal rights and you may also have other rights

which vary from jurisdiction to jurisdiction.

CONTENTS Page

1. Symbols used in this document 5

2. Overview drawings 5

3. Applications 5

4. Identification 6

5. Functions 6

6. Storage and operating conditions 6

7. Safety 6

8. Electrical connection 6

9. Installation 7

9.1 Installation dimensions 7

9.1.1 Pump with float switch 7

9.1.2 Pump without float switch 7

9.2 Pump location 7

9.3 Connection of discharge pipe 7

9.4 Adjustment of cable length for float switch 8

10. Operation 8

10.1 Self-venting 8

10.2 Manual operation 8

10.3 Automatic operation 8

10.4 Pumping to low water level 8

11. Maintenance 9

11.1 Cleaning the pump 9

12. Service 9

13. Technical data 9

13.1 Electrical data 10

13.2 Sound pressure level 10

13.3 Dimensions 10

14. Fault finding chart 11

15. Disposal 11

1. Symbols used in this document

2. Overview drawings

Fig. 1 Pump with and without float switch

1. Adapter

2. Non-return valve

3. Handle

4. Discharge port

5. Suction strainer

6. Clamp

7. Float switch.

3. Applications

Grundfos Unilift CC 5, CC 7 and CC 9 pumps are

single-stage submersible pumps designed for

pumping rainwater and grey wastewater from:

• washing machines, baths, sinks, etc. in low-lying

parts of buildings up to sewer level

• cellars or buildings prone to flooding

• draining wells

• wells for surface water with inlets from roof

gutters, tunnels, etc.

• swimming pools, ponds or fountains.

The pump is not suitable for:

• liquids containing long fibres

• inflammable liquids (oil, petrol, etc.)

• aggressive liquids.

The pump is suitable for both permanent installation

and as a portable pump.

Warning

Prior to installation, read these

installation and operating instructions.

Installation and operation must comply

with local regulations and accepted

codes of good practice.

Warning

If these safety instructions are not

observed, it may result in personal

injury!

Caution

If these safety instructions are not

observed, it may result in malfunction

or damage to the equipment!

Note

Notes or instructions that make the job

easier and ensure safe operation.

TM03 1102 1005

TM03 1025 0905

Warning

Do not use the pumps in or at

swimming pools, garden ponds, etc.

when there are persons in the water.

4. Identification

Fig. 2 Example of nameplate for Unilift CC 5

5. Functions

Pump with float switch

• Automatic start/stop.

• Pumping to low water level without suction

strainer, with the pump in forced operation.

See section 10.4.

Pump without float switch

• Manual external start/stop.

• Pumping to low water level without suction

strainer. See section 10.4.

Unilift CC pumps incorporate a vent valve.

See section 10.1.

6. Storage and operating conditions

Storage temperature

14 °F to 122 °F. (–10 °C to +50 °C.)

Liquid temperature

32 °F to 104 °F. (0 °C to +40 °C.)

At intervals of at least 30 minutes, the pump is

allowed, however, to run at maximum +158 °F

(+70 °C) for periods not exceeding 2 minutes.

Installation depth

Maximum 32 feet (10 m) below liquid level.

Operation

The pumps are suitable for intermittent as well as

continuous operation.

7. Safety

8. Electrical connection

The electrical connection should be carried out in

accordance with local regulations and follow the

National Electrical Code (USA) and the Canadian

Electrical Code. The pump should be grounded.

The operating voltage and frequency are marked on

the nameplate. Make sure that the motor is suitable

for the power supply on which it will be used.

Power supply

• 1 x 115 V, 60 Hz

• 1 x 230 V, 60 Hz

Motor protection

The Unilift CC pumps have built-in thermal overload

protection and require no additional motor

protection. If the motor is overloaded, it will stop

automatically. When cooled to normal temperature,

the motor will start automatically.

TM04 3281 4108

Pos. Description Pos. Description

1 Pump type 7 Frequency

2Motor input

power 8 Product number

3 Full-load current 9 Enclosure class

4Max. installation

depth 10

Max. liquid

temperature

during

continuous

operation

5 Supply voltage 11 Max. head

6Motor insulation

class 12 Max. flow rate

Type

A 2 1

Made in ITALY SN 0000003 0828

P / N 96780906

8FT

UNILIFT CC5 A1

250W

CI F

Qmax31GPM

V115~

T max 40°

Hmax 18FT

Hz 60 IP68

567

Caution

During continuous operation,

the suction strainer must always be

completely covered by the pumped

liquid.

Warning

Pump installation in wells or tanks

must be carried out by specially trained

persons.

Warning

As a precaution, the pump must be

connected to a socket with earth

connection.

It is recommended to fit the permanent

installation with an earth leakage circuit

breaker (ELCB) with a tripping current

<30mA.

9. Installation

9.1 Installation dimensions

9.1.1 Pump with float switch

If the pump is installed in a well, the minimum

dimensions of the well should be as shown in fig. 3

and the following table to ensure free movability of

the float switch.

Fig. 3 Minimum installation dimensions

Minimum installation dimensions

9.1.2 Pump without float switch

The space required corresponds to the physical

dimensions of the pump, see page 28.

9.2 Pump location

The pump can be used in the vertical position and in

the tilted or horizontal position with the discharge

port as the highest point of the pump.

During operation, the suction strainer must be

covered by the pumped liquid.

Fig. 4 Pump positions

Position the pump so that the suction strainer is free

of silt, mud or similar materials. This can be ensured

by placing the pump on bricks, an iron plate, etc.

Fig. 5 Pump mounted on a plate

9.3 Connection of discharge pipe

The discharge pipe can be connected directly to the

pump discharge port or by means of the adapter.

To prevent backflow through the pump when it stops,

the non-return valve supplied can be fitted inside the

adapter.

Fig. 6 Adapter and non-return valve

(position and function)

The adapter enables the connection of a pipe or

hose matching ¾", 1" and 1¼" NPT external pipe

thread. Cut off the adapter so that it matches the

discharge pipe diameter. If a gasket is used between

the discharge pipe and the adapter, the cut-off

adapter must have an even and smooth surface.

Please comply with local standards when connecting

the multifunctional adapter supplied to a pipe in a

permanent installation.

Caution

Do not install the pump hanging from

the electric cable or the discharge pipe.

Do not lift or lower the pump by means

of the electric cable.

TM03 1122 1105

Pump type Height (H)

[inch (mm)] Width (B)

[inch (mm)]

Unilift CC 5

Unilift CC 7 20.5 (520) 15.7 (400)

Unilift CC 9 22.4 (570) 19.7 (500)

TM03 1111 1005TM03 1123 1105

TM03 0833 0505

TM03 0834 0505

9.4 Adjustment of cable length for float

switch

The difference in level between start and stop can be

adjusted by changing the free cable length between

the float switch and the pump handle.

• An increased free cable length will result in fewer

starts/stops and a large difference in level.

• A reduced free cable length will result in more

frequent starts/stops and a small difference in

level.

In order that the float switch can start and stop the

pump, the free cable length must be min. 3.9"

(100 mm) and max. 7.9" (200 mm).

Fig. 7 Start/stop levels. See table below.

10. Operation

10.1 Self-venting

A vent valve is built into the pump handle. The valve

allows air to escape from the pump in case the free

air flow through the discharge pipe is blocked.

Once the pump is vented, the valve normally closes.

If the pump sucks air or water with a high air content,

the valve may leak a mixture of air and water. This is

no fault but a natural consequence of the opening

and closing of the valve.

Fig. 8 Self-venting

10.2 Manual operation

The pump is started and stopped by an external

switch.

To eliminate the risk of dry running, the water level

should be checked regularly during operation. This

can for instance be done by an external level

controller.

In order that the pump can self-prime when started,

the water level must be at least 1" (25 mm).

The pump can pump down to 0.8" (20 mm) water

level.

For pumping to low level, see section 10.4.

10.3 Automatic operation

During automatic operation, the pump with float

switch will start and stop, depending on the water

level and the float switch cable length.

Forced operation of pump with float switch

If the pump is used to drain water levels below the

stop level of the float switch, the float switch can be

kept in a higher position by fixing it to the discharge

pipe.

During forced operation, the water level should be

checked regularly to prevent dry running.

10.4 Pumping to low water level

When the suction strainer has been removed,

the pump can pump down to 0.12" (3 mm).

Remove the suction strainer by inserting a

screwdriver between the pump sleeve and the

suction strainer and turning it.

Fig. 9 Removal of suction strainer

These conditions must be fulfilled:

• The pump must be placed on an even, horizontal

surface.

• The water must not contain particles which may

block the pump inlet.

• Minimum water level when the pump is started:

0.2" (5 mm).

Fig. 10 Low water level

TM03 0829 0505

Pump type

Cable length (L)

min. 3.9"

(100 mm)

Cable length (L)

max. 7.9"

(200 mm)

Start

[inch

(mm)]

Stop

[inch

(mm)]

Start

[inch

(mm)]

Stop

[inch

(mm)]

Unilift CC 5 13.8

(350) 4.5

(115) 15.75

(400) 2.2

(55)

Unilift CC 7 13.8

(350) 4.5

(115) 15.75

(400) 2.2

(55)

Unilift CC 9 15.2

(385) 5.9

(150) 17

(435) 3.5

(90)

TM03 1121 1105

Start

Stop

TM03 0831 0505TM03 0832 0505

11. Maintenance

Under normal operating conditions, the pump is

maintenance-free.

If the pump has been used for liquids other than

clean water, it should be flushed through with clean

water immediately after use.

11.1 Cleaning the pump

Cleaning the suction strainer

1. Switch off the power supply to the pump.

2. Drain the pump.

3. Loosen the suction strainer by inserting a

screwdriver between the pump sleeve and the

strainer and turning it, see fig. 9.

4. Clean and refit the suction strainer.

Cleaning the impeller

1. Switch off the power supply to the pump.

2. Loosen the suction strainer by inserting a

screwdriver between the pump sleeve and the

strainer and turning it, see fig. 9.

3. Remove the pump housing, see fig. 11.

Fig. 11 Removal of pump housing

4. Remove and clean the diaphragm.

5. Flush the pump with clean water to remove

possible impurities between the motor and the

pump sleeve. Clean the impeller.

6. Check that the impeller can rotate freely.

7. Assemble the pump in reverse order of

dismantling.

12. Service

A number of service kits and spare parts are

available for unilift CC. The product numbers and the

components included in the service kits can be found

on WebCAPS (www.grundfos.com). Alternatively,

contact your local grundfos dealer.

13. Technical data

Pump performance

Maximum particle size

0.39" (10 mm).

Enclosure class

IP68.

Insulation class

• Unilift CC 5 and Unilift CC 7: F.

• Unilift CC 9: B.

Thermal protection

Cut-out temperature (winding temperature):

• Unilift CC 5 and Unilift CC 7: +320 °F (+160 °C).

• Unilift CC 9: +284 °F (+140 °C.)

Dry running

Warning

Before starting work on the pump,

make sure that the power supply to the

pump has been switched off and that it

cannot be accidentally switched on.

TM03 1112 1005

Note

The cable and the float switch must be

replaced by an authorised Grundfos

service workshop.

Pump type Unilift

CC 5 Unilift

CC 7 Unilift

CC 9

Max. head [ft (m)] 16 (5) 22 (7) 29 (9)

Max. flow rate

[gpm (m³/h)] 26.7

(6) 38.3

(10) 58.3

(14)

Caution

Do not use the thermal protection to

control pump operation. If the pump is

to be installed permanently in

conditions with varying water level,

install a pump with float switch.

Caution

A Unilift CC pump must not run dry for

more than 24 hours.

13.1 Electrical data

115 V

230 V

13.2 Sound pressure level

The pump sound pressure level < 70 dB(A).

The measurement has been performed in

accordance with ISO 3743.

13.3 Dimensions

See page 28.

Pump type Unilift

CC 5 Unilift

CC 7 Unilift

CC 9

Voltage [V] 115 115 115

Current, I1/1 [A] 2.1 2.8 5.6

Power, P2[hp] 0.14 0.23 0.61

Power factor

[cos ϕ1/1]0.95 0.95 0.92

Cable type SJTW-A

3AWG18 SJTW-A

3AWG18

Pump type Unilift

CC 5 Unilift

CC 7 Unilift

CC 9

Voltage [V] 230 230 230

Current, I1/1 [A] 11.22.5

Power, P2[hp] 0.15 0.24 0.56

Power factor

[cos ϕ1/1]0.97 0.98 0.95

Cable type SJTW-A

3AWG18 SJTW-A

3AWG18

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