Grundfos Conlift1 LS Manual de usuario

Conlift1 LS

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

English (GB)

English (GB) Installation and operating instructions

Original installation and operating instructions

These installation and operating instructions

describe Grundfos Conlift.

Sections 1-4 give the information necessary to be

able to unpack, install and start up the product in a

safe way.

Sections 5-10 give important information about the

product, as well as information on service, fault

finding and disposal of the product.

CONTENTS

Page

1. Symbols used in this document

1.1 Warnings against hazards involving

risk of death or personal injury

The text accompanying the three hazard symbols

DANGER, WARNING and CAUTION is structured in

the following way:

1. Symbols used in this document 2

1.1 Warnings against hazards involving risk of

death or personal injury 2

1.2 Other important notes 3

2. Receiving the product 3

2.1 Transporting the product 3

3. Installing the product 3

3.1 Mechanical installation 3

3.2 Electrical installation 3

4. Starting up the product 4

4.1 Checking the alarm 4

5. Product introduction 5

5.1 Product description 5

5.2 Intended use 5

5.3 Operating mode 5

5.4 Handling of condensates 5

5.5 Marking and approvals 5

5.6 Accessories 6

6. Control functions 6

7. Servicing the product 6

7.1 Maintenance 6

7.2 Service 6

7.3 Contaminated products 7

8. Fault finding the product 8

9. Technical data 9

10. Disposal 9

Read this document before installing the

product. Installation and operation must

comply with local regulations and accepted

codes of good practice.

This appliance can be used by children

aged from 8 years and above and persons

with reduced physical, sensory or mental

capabilities or lack of experience and

knowledge if they have been given

supervision or instruction concerning use

of the appliance in a safe way and

understand the hazards involved.

Children shall not play with the appliance.

Cleaning and user maintenance shall not

be made by children without supervision.

DANGER

Indicates a hazardous situation which, if

not avoided, will result in death or serious

personal injury.

WARNING

Indicates a hazardous situation which, if

not avoided, could result in death or

serious personal injury.

CAUTION

Indicates a hazardous situation which, if

not avoided, could result in minor or

moderate personal injury.

English (GB)

1.2 Other important notes

2. Receiving the product

2.1 Transporting the product

3. Installing the product

If not already integrated, a water trap (emission trap)

must be fitted in all inlets.

The Conlift is not designed for outdoor use.

3.1 Mechanical installation

See also the quick guide supplied with the Conlift.

When installing the Conlift, observe the following:

• The condensate must run freely into the lifting

station.

• The cooling slots in the motor cover must not be

covered.

• The lifting station must be easily accessible in

order to facilitate maintenance.

• The lifting station must be installed in a

well-illuminated and -ventilated room.

3.2 Electrical installation

Carry out the electrical connection according to local

regulations.

Check that the supply voltage and frequency

correspond to the values stated on the nameplate.

The power supply cable has a Schuko plug or a free

cable end. The cable has a length of 2 metres.

We recommend to provide the permanent installation

with an earth leakage circuit breaker (ELCB) with a

tripping current < 30 mA.

A blue or grey circle with a white graphical

symbol indicates that an action must be

taken.

A red or grey circle with a diagonal bar,

possibly with a black graphical symbol,

indicates that an action must not be taken

or must be stopped.

If these instructions are not observed, it

may result in malfunction or damage to the

equipment.

Tips and advice that make the work easier.

WARNING

Harm of body

Death or serious personal injury

- Stack maximum two pallets together

under transportation.

Installation must be carried out by

specially trained persons and according to

local regulations.

Electrical connection must be carried out

by an authorized electrician.

WARNING

Electric shock

Death or serious personal injury

- Make sure that the protective earth from

the socket outlet is connected to the

protective earth in the pump.

Make sure that the plug has the same

PE connection system as the socket

outlet or else use a suitable adapter.

The product must be connected to a main

switch with a minimum contact gap of 3

mm in all poles.

The electrical connection of a cable with a

free cable end must be carried out by an

authorised electrician.

English (GB)

3.2.1 Cable to condensate source or external

alarm

The Conlift has a safety overflow switch which can

be connected to the condensate source or to an

external alarm system. The switch is connected to an

alarm cable with free cable end.

Alarm systems with a control voltage of 250 VAC, 2.5

A, can be used.

On delivery, the alarm cable is connected to

terminals COM1 (brown) and NC2(blue) of the safety

overflow switch. See fig. 1.

Fig. 1 Wiring diagram

The alarm cable can be connected in two ways,

depending on application:

• Shutdown of condensate source

The safety overflow switch can be connected to a

Class-II low-voltage circuit.

To enable shutdown of the condensate source,

the COM1 and NC2 terminals of the safety

overflow switch must be connected in series with

the low-voltage thermostat circuit of the

condensate source.

• External alarm system

The COM1 and NO4 terminals can be used to

close a low-voltage alarm circuit.

To activate an alarm, the COM1 and NO4

terminals of the safety overflow switch must be

connected in series with the low-voltage alarm

circuit.

4. Starting up the product

1. Check that all hoses and connections are tight.

2. Connect the power supply.

4.1 Checking the alarm

1. To ensure that the alarm level is reached,

squeeze the outlet hose or close the isolating

valve, if fitted, and fill water into the tank. The

pump will be started via the float switch.

2. Continue filling water into the tank until the safety

overflow switch is activated. If no external alarm

is connected to the Conlift, this function can be

checked by means of a multimeter.

3. Stop filling water into the tank and stop

squeezing the outlet hose. The alarm stops (the

switch opens). The pump continues operating.

When the stop level is reached, the pump stops.

After checking the alarm, push the inlet hose into the

lifting station and let the condensate from the boiler

or air-conditioning system run into the tank again.

TM05 1152 2211

Brown

Blue

1 = COM1

2 = NO4

3 = NC2

Start up Conlift in accordance with local

regulations and accepted codes of good

practice.

The safety overflow switch must be

activated before the water starts running

out of Conlift.

English (GB)

5. Product introduction

5.1 Product description

Grundfos Conlift1 LS is a small, compact lifting

station with built-in-non-return valve.

5.2 Intended use

The Conlift is designed for the pumping of

condensate from the following:

• boilers

• air-conditioning systems

• cooling and refrigeration systems

• air dehumidifiers

• evaporators.

The Conlift is suitable for the pumping of condensate

which is collected below sewer level or which cannot

flow to the sewage system or drain of the building by

means of a natural downward slope.

The Conlift can pump condensates not requiring

neutralisation, i.e. with pH values of 2.5 or higher.

Condensates with pH values up to 2.5 must be

neutralised before they leave the Conlift.

Boilers fired with the following fuels normally supply

condensate with pH values up to 2.5:

• gas

• liquid gas

• low-sulphur fuel oil according to DIN 51603-1.

Irrespective of the capability of the Conlift, local

regulations may require the installation of a

neutralisation unit, even for pH values of 2.5 or

higher.

5.3 Operating mode

The Conlift is designed for maximum 60 starts per

hour.

S3 (intermittent operation): 30 % according to DIN

EN 0530 T1. This means that the system is running

for 18 seconds and is stopped for 42 seconds.

5.4 Handling of condensates

Condensates from condensate boilers are very

aggressive and will attack the material of the

building's sewage system.

In order to protect the sewage system, we

recommend that you use a neutralisation unit. The

neutralisation unit is included in Conlift2 pH+ and is

available as an accessory for Conlift1 and Conlift2.

See section 9. Technical data.

The local outlet regulations regarding condensates

from boilers must be met.

5.5 Marking and approvals

Marking

Approvals

WARNING

Biological hazard

Death or serious personal injury

- Use the product only to pump

condensates.

If Conlift is to be connected to a

pressure-reducing valve, observe the

boiler manufacturer's instructions.

When cleaning heat exchangers and

burner units of boiler systems, make sure

that no acid and cleaning residuals enter

the condensing unit.

English (GB)

5.6 Accessories

The following accessories are available from your

local Grundfos supplier.

6. Control functions

The condensate runs by natural fall through a hose

into the tank. See section 7. Servicing the product.

The liquid level in the tank is controlled automatically

by a float switch. A micro switch in the float switch

will start the pump when the liquid level reaches the

start level, and it will stop the pump again when the

liquid level has fallen to the stop level. The

condensate is pumped through the outlet hose to the

drain.

The Conlift also has a safety overflow switch with a

1.7-metre electric cable. This overflow switch can be

connected to the condensate boiler and set to stop

the boiler in case of an alarm.

The Conlift has a thermal switch which stops the

motor in case of overload. When the motor has

cooled to normal temperature, it restarts

automatically.

7. Servicing the product

Always use original accessories from Grundfos to

ensure safe and reliable operation.

7.1 Maintenance

The Conlift does not require any special

maintenance, but we recommend that you check

operation and pipe connections at least once a year

and that you clean the collecting tank, if necessary.

7.2 Service

Thanks to the Conlift design, service can easily be

performed in case of malfunction or blocked pump.

Accessory/

service part Description Product

number

pH+ Box Complete

neutralisation unit

including fitting

accessories,

neutralisation

granulate and pH

indicator.

97936176

Extension

hose

6 metres of PVC hose

with 10 mm internal

diameter including

one hose coupling.

97936177

Granulate

refill package

Granulate, 4 x 1.4 kg. 97936178

Alarm PCB

Conlift

Printed-circuit board

(PCB) enabling

additional pump start

at alarm level or stop

of boiler with acoustic

alarm.

97936209

WARNING

Electric shock

Death or serious personal injury

- Before starting any work on the product,

make sure that the power supply has

been switched off and that it cannot be

accidentally switched on.

Maintenance and service must be carried

out by specially trained persons and

according to local regulations.

If the power supply cable is damaged, it

must be replaced by the manufacturer, the

manufacturer's service partner or similarly

qualified person.

Electrical connection must be carried out

by an authorized electrician.

WARNING

Electric shock

Death or serious personal injury

- Before starting any work on the product,

make sure that the power supply has

been switched off and that it cannot be

accidentally switched on.

English (GB)

7.2.1 Conlift

See illustrations on page 10.

Make the following checks and clean the collecting

tank, if necessary:

1. Disconnect the power supply.

2. Cut off the flow of condensate from the boiler or

other application, or stop the flow of condensate

to the Conlift.

3. Make sure that the hoses are not mechanically or

chemically damaged.

4. Remove the outlet hose by turning the bayonet

coupling, and check the O-ring. The condensate

in the hose will not run out due to the non-return

valve.

5. If the condensate is running out of the hose,

check and clean the non-return valve.

6. Press the side-locking catches and lift off the

motor support. Place it in upright position.

7. Remove deposits, dirt, algae and incrustations

under running water.

7.3 Contaminated products

If a Conlift has been used for a liquid which is

injurious to health or toxic, it will be classified as

contaminated.

The product will be classified as contaminated if it

has been used for a liquid which is injurious to health

or toxic.

If you request Grundfos to service the product,

contact Grundfos with details about the liquid before

returning the product for service. Otherwise,

Grundfos can refuse to accept the product for

service.

Any application for service must include details

about the liquid.

Clean the product in the best possible way before

you return it.

Costs of returning the product are to be paid by the

customer.

CAUTION

Biological hazard

Minor or moderate personal injury

- Flush the product thoroughly with clean

water and rinse the parts in water after

dismantling.

English (GB)

8. Fault finding the product

WARNING

Electric shock

Death or serious personal injury

- Before starting any work on the product,

make sure that the power supply has

been switched off and that it cannot be

accidentally switched on.

Fault Cause Remedy

1. The pump does

not run.

a) No power supply. Connect the power supply.

b) A fuse is blown. Replace the fuse (1 A slow-blow fuse).

c) The power supply cable is

damaged.

Repair or replace the cable. This must only

be carried out by an authorised service

workshop or by Grundfos.

d) The thermal overload switch

has tripped:

– The motor is not sufficiently

cooled.

Clean the cooling slots in the motor cover.

– Deposits in the pump. Clean the impeller, pump housing and the

entire lifting station.

2. Reduced or no

performance.

a) Outlet hose squeezed or

broken.

Straighten the outlet hose or replace it. The

bending radius of the hose must be at least

60 mm.

b) The non-return valve does not

open.

Remove the outlet connection, and clean the

non-return valve.

c) The motor fan cannot be turned

freely.

Clean the pump housing and the impeller.

3. Frequent

starts/stops.

a) The non-return valve does not

close.

Remove the outlet connection, and clean the

non-return valve.

b) The inlet quantity is too high. Make sure the inlet quantity is correct.

4. Alarm. a) The condensate is not pumped

out of the tank.

See points 1 and 2.

English (GB)

9. Technical data

Supply voltage

1 x 230 VAC - 6 %/+ 6 %, 50 Hz, PE.

See the nameplate.

Input power

P1 = 70 W.

Input current

I = 0.65 A.

Alarm connection

An external alarm can be connected via the safety

overflow switch.

The cable can stand a control voltage of 250 VAC,

2.5 A.

Cable lengths

Power supply cable: 2.0 metres.

Alarm cable: 1.7 metres.

Storage temperature

When stored in dry rooms:

• Empty tank: -10 - +50 °C.

• Tank with condensate: above 0 °C (risk of frost

not allowed).

Ambient temperature

During operation: 5-35 °C.

Liquid temperature

Average temperature: 50 °C.

Maximum head

5.5 metres.

Maximum flow rate

600 l/h.

pH value of condensate

2.5 or higher.

Density of condensate

Maximum 1000 kg/m3.

Motor protection

• Thermal overload switch: 120 °C.

• Insulation class: F.

Enclosure class

IP20.

Weight

2.0 kg.

Volume

• Tank volume: 2.65 litres.

• Useful volume: 0.9 litre.

• Alarm condition: 2.1 litres.

• Operating condition: 1.7 litres.

Dimensions

See dimensional sketches on page 11.

10. Disposal

This product or parts of it must be disposed of in an

environmentally sound way:

1. Use the public or private waste collection service.

2. If this is not possible, contact the nearest

Grundfos company or service workshop.

Appendix

Appendix 1

Conlift1 LS

TM05 8628 2413

3-4 7

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