Clarke ECP20A3 Instruction Manual

OPERATION & MAINTENANCE

INSTRUCTIONS

ORIGINAL INSTRUCTIONS GC0517- ISS 3

2” ELECTRIC WATER PUMP

MODEL NO: ECP20A3

PART NO: 7120410

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INTRODUCTION

Thank you for purchasing this Clarke Water Pump.

This non-submersible centrifugal pump is ideal for a range of domestic and

light agricultural purposes.

It is designed to pump clean water in gardens for spraying and irrigation and

for pumping water to greenhouses. It can also be used for boosting running

water feed pressure (not drinking water) and for pumping out wells and

ponds. It is not designed for use with contaminated or salt water. If used for

pumping water from a pond, extra filtering measures should be taken to

isolate any larger particles.

Before attempting to use this product, please read this manual thoroughly and

follow the instructions carefully. In doing so you will ensure the safety of yourself

and that of others around you, and you can look forward to your purchase

giving you long and satisfactory service..

Your CLARKE water pump has been designed to give long and trouble free

service. If, however, having followed the instructions in this booklet carefully,

you encounter problems, take the unit to your local Clarke dealer.

Please keep these instructions in a safe place for future reference.

GUARANTEE

This product is guaranteed against faulty manufacture for a period of 12

months from the date of purchase. Please keep your receipt which will be

required as proof of purchase.

This guarantee is invalid if the product is found to have been abused or

tampered with in any way, or not used for the purpose for which it was

intended.

Faulty goods should be returned to their place of purchase, no product can

be returned to us without prior permission.

This guarantee does not effect your statutory rights.

WARNING: THIS SYMBOL IS USED THROUGHOUT THE USER GUIDE

WHENEVER THERE IS A RISK OF PERSONAL INJURY. ENSURE THAT

THESE WARNINGS ARE READ AND UNDERSTOOD AT ALL TIMES.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

GENERAL SAFETY PRECAUTIONS

Before using this equipment it is in your own interest to read and pay attention

to the following safety rules.

1. NEVER use for pumping flammable liquids or corrosive chemicals. This

pump is designed to pump clean water only.

2. ALWAYS keep the working area clean and well lit. Floors should always be

kept clear. Cluttered or dark areas invite accidents.

3. NEVER over-reach. Keep your proper footing and balance at all times

when installing or maintaining the pump.

4. NEVER direct any water discharge towards electrical wiring or equipment.

5. ALWAYS thoroughly familiarise yourself with this pump & its operation, and

follow all instructions in this manual. Never allow persons unfamiliar with

these instructions to instal or operate the pump.

6. ALWAYS ensure that the pump is properly installed to prevent it from moving

during operation, and that the immediate area surrounding the pump is

kept clear.

7. ALWAYS maintain the pump with care and keep it clean for best / safest

performance.

8. NEVER use this product if any part is damaged. Have it inspected and

repaired by your local Clarke dealer. Always turn the pump off before

carrying out any maintenance.

9. NEVER modify this pump in any way. Use it ONLY for the purpose for which it

is designed.

10. ALWAYS have the pump serviced by your local Clarke dealer, using only

identical replacement parts. This will ensure the safety of the pump is

maintained. The use of non standard parts could be hazardous.

11. NEVER allow the pump to run dry.

WARNING: ALWAYS CONNECT THE PUMP TO AN EARTHED POWER SUPPLY

VIA AN RCD.

CAUTION: THIS PUMP IS NOT A SUBMERSIBLE PUMP. ON NO ACCOUNT

SHOULD IT EVER BE IMMERSED IN WATER.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INSTALLATION

Because of the number of possible installations, no accessories are supplied

with your pump except for a pair of male inlet/outlet adaptors. However

accessories are available from your nearest Clarke dealer. See the suggested

list on page 13.

NOTE: It is recommended that the end user should consult a qualified

installer if there are any doubts as to the suitability of this product

for a particular installation.

IMPORTANT: The pump MUST NOT be connected to the mains power supply

until all hose/pipe installation is completed.

INSTALLATION OF THE PUMP

The pump must always be installed and operated in a horizontal position i.e.

with the outlet port facing vertically upwards. The fixing holes in the base

should be used to secure the pump firmly in it’s operating position. Mount the

pump on raised blocks or a purpose built platform to protect it from flooding.

Some kind of anti-vibration mounting is also desirable.

Always ensure there is adequate air circulation around the motor. The pump

should be installed in a dry, well ventilated enclosure, sheltered from rain.

ELECTRICAL INSTALLATION

The pump should be located at such a distance away from any pond or pool,

as to avoid the possibility of immersion and the power supply should also be a

safe distance away. If in doubt, please contact your electrical specialist and

refer to national regulations.

Avoid situations where the pump could become drenched with water as

neither the motor or terminal box are designed to be totally waterproof.

Ensure the pump & its power cable do not create a safety hazard for people

walking past it.

Before connection to the power supply, make sure that the voltage of your

electricity supply is the same as that indicated on the rating plate. This product

is designed to operate on 400VAC 50Hz. Connecting it to any other power

source may cause damage.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

ELECTRICAL CONNECTIONS

This machine MUST be connected to a 400 Volt, 3 phase 50Hz supply through a

suitably fused isolator switch. It cannot be operated from a single phase

supply.

A trailing lead is provided and should be wired to a 3 phase plug (not

supplied) as follows.

• Connect the GREEN or GREEN & YELLOW

coloured wire to the terminal marked with

the letter “E” or the Earth symbol “ “

• Connect the remaining Brown, Black and

Grey wires to the terminals marked “L1”, “L2”

and “L3”.

• No connection to the Neutral terminal is

required.

Due to these high currents, the product must only be connected to a 3 phase

supply capable of supporting these loads (plus an acceptable degree of

headroom). This supply must be protected by a suitably rated circuit breaker

(or breakers) and isolator.

If in any doubt, consult a qualified electrician. DO NOT attempt any electrical

repairs yourself.

WARNING: THE INSTALLATION OF THIS APPLIANCE SHOULD BE CARRIED

OUT BY A COMPETENT ELECTRICIAN AND BE IN ACCORDANCE WITH THE

CURRENT IEE WIRING REGULATIONS (BS7671-2:2008).

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

PIPE/HOSE CONNECTIONS

The pump inlet and discharge ports

are both 2” BSP (51 mm) female

threads and accept the adaptors

supplied.

Hoses with the same diameter should

be used and secured to the adaptor

with a suitable hose clip.

Ensure all connections are air tight

when under pressure but not so tight

as to crack the plastic inlet/outlet adaptors.

ADDITIONAL CONSIDERATIONS

• Strain caused by vibration can be reduced by connecting a short

flexible hose between any rigid pipework and the pump.

• We recommend that you always use pipes/hoses with a minimum

diameter of 2” (51 mm).

• Any restriction in the pipeline will greatly reduce the flow.

• Ensure that the hoses and pipes are supported along their entire

length. They will be considerably heavier when filled with water.

• We recommend that you install isolation valves either side of the

pump in order to isolate the pump during maintenance/removal.

• A gate valve may be installed in-line on the delivery side of the

pump which can be adjusted as required to regulate the flow of

water and can assist in priming the pump.

• If there is any chance of freezing, protect the pump and pipework

with suitable lagging. The formation of ice may cause serious

damage.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

SUCTION LIFT OR GRAVITY FEED

There are two possible methods of pipework installation.

1. Suction Lift. Used to draw clean water from a pool or well providing the

vertical distance between the foot valve and the pump does not exceed

the 8 metres specified for this pump.

When suction lift is used it is essential

that all connections and hoses are

airtight or the system will not work

effectively.

A foot valve/filter fitted to the lower

end of the suction hose, (as

illustrated), is essential to retain water

in the system as the pump is not self

priming.

2. Gravity Feed. Used to draw water.

from a tank above ground.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

PRIMING THE PUMP

Before using the pump for the first

time the inlet (suction) side must be

filled with water to prime the pump as

follows:-

1. With all inlet pipes/hoses, but no

outlet hose connected, pour

water into the outlet port until all

the air is expelled.

2. Connect the outlet hose to the

outlet port.

If the outlet hose is already connected, a priming port and threaded plug are

provided, adjacent to the outlet as shown.

NOTE: As the priming hole is quite small, it is necessary to fill the inlet

(suction) pipe with water before connecting to the pump, and

top up through the priming port once the pipe is connected. A

non-return valve will need to be fitted to the inlet pipe for this

purpose.

3. Switch on the pump.

• Water should start to flow through the system.

4. Check for leaks and correct if necessary.

5. Adjust any device such as a non-return valve, which may be fitted to the

outlet side of the pump, to maximise efficiency.

• Do not place any restriction on the inlet or discharge hoses.

Remember - this pump is designed for pumping CLEAN WATER ONLY. DO NOT

USE for pumping chemicals or other flammable or corrosive liquids.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

OPERATION

1. Open any valves in the pipeline.

2. If operating the pump for the first time, prime the pump as described. on

page 8.

NOTE: Refilling (re-priming) is only necessary if the pump has been

drained.

3. Connect to the power supply and switch on.

• When water starts to flow through the system check for leaks and

correct as necessary.

• If the motor fails to start or the pump does not deliver water, refer to

TROUBLESHOOTING.

• Never operate the pump when not primed with water or if the inlet is

blocked which would allow the pump to run dry, causing damage.

NOTE: Filling the suction pipe with water will speed up the priming

process, and it is essential that a non-return valve be fitted to the

end of the suction pipe.

4. Stop the pump by switching off the power supply.

CARE DURING USE

1. Do not allow the pump to run dry, otherwise the seal between the pump

and motor may be damaged. If a leak occurs at this point, allowing water

to pass from the pump to the motor, take the pump to your Clarke dealer

for overhaul.

2. In the event of a blockage, where debris has entered the pump, it can be

cleaned out as described under MAINTENANCE.

3. DO NOT USE for pumping chemicals or other corrosive liquids. Should

contaminants enter the pump, flush through with water as soon as possible

to prevent damage.

4. If the pump is being used to drain a pool, ensure there is adequate

drainage and there is no risk of damage to property as a result of water

being discharged. If a flexible hose must be laid across a roadway, protect

it with wooden planking.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

MAINTENANCE

Inspect the pump/hoses regularly to ensure that debris is not blocking the

passage of water.

If you suspect the pump is blocked by silt, leaf debris etc, disconnect it from

the power supply, disconnect the discharge hose and back-flush to clear any

blockage using a hosepipe.

Always keep the pump in a clean condition and check regularly for damage

to the power cable etc.

AFTER USE

After use, and if the pump will not be used over the winter period, or if there is

danger of freezing, always drain the pump body.

If the pump has been used with contaminated or salty water, it should be

thoroughly flushed with clean water following use, both inside and out. It

should then be drained and covered over, if not already sheltered from the

weather.

If the pump is seized following a period of inactivity, it may be possible to free

it off. Ensure the pump power supply is turned off before by inserting a

screwdriver into either the infeed or discharge port and dislodging a jammed

impeller. If this is not successful it may be necessary to remove the relevant

mounting bolts to separate the pump body and clean away any incrustation.

Re-prime the pump when returning to service.

In the event that overhaul of the pump or motor is necessary, contact your

Clarke service department.

ENVIRONMENTAL RECYCLING POLICY

Through purchase of this product, the customer is taking on the

obligation to deal with the WEEE in accordance with the WEEE

regulations in relation to the treatment, recycling & recovery and

environmentally sound disposal of the WEEE.

In effect, this means that this product must not be disposed of with general

household waste. It must be disposed of according to the laws governing

Waste Electrical and Electronic Equipment (WEEE) at a recognised disposal

facility.

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