Clarke CPE20A3 Instruction Manual

OPERATION & MAINTENANCE

INSTRUCTIONS

ORIGINAL INSTRUCTIONS GC1120

CPE WATER PUMP

MODEL NO: CPE20A3

PART NO: 7120320

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

INTRODUCTION

Thank you for purchasing this Clarke Water Pump.

Your CPE pump is a highly efficient, robust, continuously rated, self priming

pump with a powerful electric motor, and is ideal for a wide range of

domestic, commercial and agricultural uses. It is suitable for pumping clean

tap and rain water, and will handle small solids in suspension. It is designed to

give you trouble free service provided it is installed and used in the correct

way. If the pump is left in an exposed position, it should be protected from the

elements. especially frost.

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.

This 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.

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

PUMP SPECIFICATION

Water Classification Clean

Maximum Delivery 500 L/min

Rated Head 2-14 m

Maximum Suction Lift 18 m

Supply 400V 3ph

Motor HP 2

Outlet Thread Size 2” BSP

Weight 14.5 kg

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.

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. and it has been primed.

POSITIONING 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 CONNECTION

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.

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

ELECTRICAL CONNECTIONS

Before switching the pump on, make

sure that the voltage of your

electricity supply is the same as that

indicated on the rating plate or on

the junction box cover on top of the

motor. This product is designed to

operate on 400VAC. Connecting it to

any other power source may cause

damage.

Installation should be carried out by a

qualified electrician, using I.E.E

approved cable and fittings, and in

accordance with I.E.E. Regulations.

However, in the further interests of

safety we would emphasise the

electrical hazard.

We strongly recommend that this

machine is connected to the mains

supply via a Residual Current Device

(RCD).

If in any doubt, consult a qualified

electrician. DO NOT attempt any

connections yourself.

WARNING! READ THESE ELECTRICAL SAFETY INSTRUCTIONS

THOROUGHLY BEFORE CONNECTING THE PRODUCT TO THE

POWER SUPPLY.

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 1½” BSP (38 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.

These notes are for guidance on

how to achieve a proper working system. The diagram (Fig. 1) above shows a

typical installation at the pump.

A foot valve and filter should be fitted to the lower end of

the suction hose, as illustrated in Fig. 2, so as to retain water

in the suction system and more importantly, to prevent the

possibility of large foreign objects entering the pump body.

FURTHER 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 1½” (38 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.

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

•WARNING:-DO NOT place any such obstruction on the suction side

(inlet Port) of the pump unless it is an isolator valve in a gravity fed

system. It is also IMPORTANT to note, that these pumps should not be

operated with the delivery valve completely closed.

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

with suitable lagging. The formation of ice may cause serious

damage.

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

hose/pipe installation is completed. DO NOT RUN THE PUMP DRY

NOTE: If any part of the system is to be connected to the mains water

supply ensure that local water authority regulations are observed.

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.

NOTE: 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.

All electrical connections should be inspected regularly for signs of corrosion

and cleaned where necessary. It is advisable to apply a film of silicon grease

on the terminals for added protection.

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 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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