Clarke DWP400A Instruction Manual

OPERATION & MAINTENANCE

INSTRUCTIONS

GC0120 - ISS 3

ORIGINAL INSTRUCTIONS

SUBMERSIBLE PUMP

MODEL NO: DWP400A

PART NO: 7239230

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

INTRODUCTION

Thank you for purchasing this CLARKE submersible pump.

The pump is designed for domestic use, such as drying out basements and

garages subject to flooding, and for pumping drainage wells, rainwater

collecting traps etc.

Due to its compact shape, it is also used as a portable pump for emergency

situations such as for drawing water from tanks or rivers, draining swimming

pools and fountains, excavations or underpasses. Also suitable for gardening

and general hobby activity.

This pump should not be used in swimming pools, ponds or hot tubs where

people are present, or for pumping hydrocarbons (petrol, diesel fuel,

combustible oils, solvents, etc) in accordance with the accident-prevention

regulations in force.

It is not designed for continuous use, but for emergency use over a limited

period and should be cleaned before putting away in storage. See the

section “Maintenance”.

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.

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.

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

SPECIFICATIONS

PUMP PERFORMANCE CURVE

Dimensions (L x W x H) 150 x 166 x 318/285 mm (handle

raised/lowered

Weight 4.65 kg

Cable Length 10 m

Power supply 230V ~ 50Hz

Ingress protection IPX8

Outlet Thread Diameter 2“BSP

Rated Power 440 W

Maximum Head Height 7 m

Maximum solids handling capability 30 mm

Maximum Flow 140 l/min

Lowest residual water 10 mm

Maximum Water Temperature 35oC

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

SAFETY INSTRUCTIONS

GENERAL

1. Read all these instructions before use and save them for future reference.

2. An approved residual current device (RCD) which has a tripping current of

less then 30mA MUST be used for all operations.

3. The electrical supply must be the same as that on the rating plate.

4. ALWAYS make sure that your hands are dry when connecting or

disconnecting from the mains supply.

5. NEVER pull the mains lead to disconnect the pump from the mains socket.

6. The mains plug must be kept away from the water at all times.

7. Do not allow children or unauthorised people to touch the pump, cables or

connections.

8. Disconnect the pump from the mains supply when not in use.

9. If necessary have the pump repaired by a qualified person.

10. Keep the power cable away from heat, oil and sharp edges.

11. If you have to use an extension lead with this product, it must be designed

for outdoor use and incorporate a cable suitable for use with Class I

appliances.

12. Disconnect the pump from the electrical supply and wear gloves during

servicing or maintenance.

PUMP SPECIFIC

1. Do not pump explosive / flammable liquids or chemicals.

2. NEVER allow the pump to run dry or operate out of the water.

3. Submersible pumps should always be submerged and stored vertically.

4. Disconnect the pump from the mains supply before placing it into or

removing it from the water.

5. ALWAYS check the plug and all cables for damage before use.

6. NEVER carry or lower the pump by the power cable or float switch always

use the handle or a rope tied securely to the handle.

7. Do not use the pump if the water is liable to freeze as this can cause

damage to the pump. Remove the pump from the water and store it in a

frost free location.

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

8. NEVER insert your fingers into the pump whilst it is connected to the power

supply.

9. NEVER use the submersible pump in a swimming pool when there are

people or animals in the pool.

ELECTRICAL CONNECTIONS

Connect the mains lead to a standard, 230 Volt (50Hz) electrical supply

through an approved 13 amp BS 1363 plug or a suitably fused isolator switch.

If the plug has to be changed because it is not suitable for your socket, or

because of damage, it must be removed and a replacement fitted, following

the wiring instructions shown below. The old plug must be discarded safely, as

insertion into a power socket could cause an electrical hazard.

If the colours of the wires in the power cable do not agree with the markings

on the plug;

• Connect the BLUE wire

to the terminal

marked N.

• Connect the BROWN

wire to the terminal

marked L.

•ConnectrtheYELLOW

AND GREEN wire to

the terminal marked E

or .

AN APPROVED RESIDUAL CURRENT DEVICE (RCD) WHICH HAS A TRIPPING

CURRENT OF LESS THAN 30 mA MUST BE USED.

If you are not sure, consult a qualified electrician. DO NOT try to do any

repairs.

WARNING: READ THESE ELECTRICAL SAFETY INSTRUCTIONS

THOROUGHLY BEFORE CONNECTING THE PRODUCT TO THE MAINS

SUPPLY.

WARNING: THE WIRES IN THE POWER CABLE OF THIS PRODUCT ARE

COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:

BLUE = NEUTRAL BROWN = LIVE YELLOW AND GREEN = EARTH

Plug must be BS1363/A approved.

Always fit

Ensure that the outer sheath of

Neutral

(Blue)

Live

(Brown)

Earth

(Green and

a 13 Amp

the cable is firmly held by the clamp

fuse.

Yellow)

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

INSTALLING THE PUMP

Remove all packaging and make sure that the pump has no visible damage.

Dispose of all packaging appropriately.

FITTING THE ELBOW

1. Screw one of the elbows into the

outlet port as shown. Two elbows

are supplied;

• Threaded elbow

• Push-fit elbow

FITTING THE STEPPED ADAPTER

The stepped hose adaptor supplied is

designed to be used for either screw

type hose connection or push fit.

• Stepped adapter 1" (25mm) / ¾”(20mm) hose

1. Screw the adaptor to the

threaded elbow and connect a

suitable hose (not supplied) to

either the screwed end or push-fit

• Suitable hoses are available

from your local Clarke dealer.

• The stepped adaptor can be

cut off with a hacksaw if a

larger hose is to be used.

2. Trim the adaptor to size if required.

• Reducing the hose diameter will affect the maximum flow rate.

3. When push fitting the hose to the adaptor or elbow, use a jubilee clip to

secure it. Do not overtighten.

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

POSITIONING THE PUMP

1. Stand the pump upright on a flat surface in the water that you want to

drain.

2. If there is sediment in the pool or

pond, place the pump on blocks,

to avoid blocking the water inlet.

3. Set the height of the pump inlet

by extending and twisting the

base (foot) if required. With the

base retracted the pump can

remove all but the remaining 10

mm of water.With the base

extended the pump can pick up

more solids in suspension.

4. Ensure the pump is positioned with adequate space - minimum base area

of 20 x 25 cm and the maximum depth of any installation - 7 metres (23ft).

The pump is supplied with 10 metres of power cable.

5. Always raise and lower the pump using the lifting handle and a rope

attached to it if required. Never lift or lower the pump using the power

cable.

• The water inlet must be fully submerged before the pump is switched on

and the pump be standing upright.

• You can keep the pump clear of sediment by standing it on a platform

or brick or by suspending it at a suitable depth.

6. Connect the power cable to a high sensitivity residual current device

(RCD) which has a tripping current of less then 30mA.

OPERATING THE PUMP

1. Switch the mains power supply on.

• The pump will begin to drain water.

• As the water level falls, so will the float switch, until it stops the pump.

WARNING: CHECK THE PUMP FOR DAMAGE BEFORE USE, DO NOT USE THE

PUMP IF IT IS DAMAGED IN ANY WAY.

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

• You can set the position of the float switch using the clip on the side of

the pump. Adjusting the length of the float switch lead will change the

depth of water at which the pump will turn on or off.

2. The pump can be kept running

continuously by positioning the

float in the raised position but it

will need to be stopped manually

by lowering the float or

unplugging the power cable. This

method can be used to

scavenge the last remaining

water to the 10 mm limit.

3. When finished, disconnect the

pump from the power supply.

• The pump is fitted with a thermal overload switch. If the pump overheats

for any reason, it will automatically switch the pump OFF. Once the

pump has cooled (at least 5-10 minutes) it will automatically restart.

AFTER USE

If the temperature is expected to be lower than 0°C, ensure there is no

residual water in the pump which could freeze and damage the pump.

If the pump has been used with substances that tend to form a deposit, or

with water containing chlorine, rinse it after use with a powerful jet of water in

order to avoid the formation of deposits which would reduce the

performance of the pump.

MAINTENANCE

This pump should require no maintenance other than regular cleaning. If the

pump shows signs of wear or damage contact your CLARKE dealer for advice.

Check the pump regularly to ensure the water inlet is clear of leaves or other

debris. If foreign material has been drawn into the pump inlet, further cleaning

may be required by back-flushing the pump with water pressure from a hose.

CAUTION: DO NOT ALLOW THE PUMP TO RUN DRY

WARNING: BEFORE CHECKING THE CONDITION OF THE PUMP, ENSURE IT

IS UNPLUGGED FROM THE MAINS SUPPLY. IF THE UNIT IS HARD WIRED,

ENSURE THE CIRCUIT BREAKER IS OPEN.

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

TROUBLESHOOTING

If this does not solve your problem, please contact the CLARKE service

department. Do not attempt to repair the pump yourself. Repairs must be

carried out by your CLARKE dealer.

PROBLEM SOLUTION

PUMP WILL

NOT START

1. Make sure that the power is switched on.

2. Check fuse (consult an electrician if in doubt).

3. If extension lead is used, check connections (consult an

electrician if in doubt).

4. Internal thermal cut-out has not re-set. Leave for 5-10

minutes to cool down and try again.

5. The impeller may be jammed. Disconnect from the mains

supply and remove any objects that may be obstructing

the impeller.

6. Float switch may be jammed against side wall, or

prevented from moving.

7. Water level too low - float switch in OFF position - lift float

to check switch.

8. If the pump still fails to start, consult your CLARKE dealer

for advice.

PUMP WILL

START BUT NOT

PUMP

1. Check that the inlet is not blocked.

2. Check that the discharge tube is not clogged or

obstructed.

3. The head may be too great, i.e. you are trying to lift the

water too great a distance for the pump to cope with

Specifications on page 3.

4. Air bubble in the pump, produced during the plunge.

Plunge the pump again, at an angle, and shake it whilst

lowering to remove any air trapped in the system.

5. Impeller may be damaged - Consult your CLARKE dealer.

PUMP WILL

NOT STOP

1. Float switch may be prevented from moving to the fully

down position.

2. Float switch may be faulty. Consult your CLARKE dealer

for advice.

PUMP STOPS

RUNNING

1. Thermal overload has operated. Leave for 5-10 minutes

and try again.

2. Pump has run dry or float switch has cut in.

3. A foreign object has jammed the impeller.

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

PARTS DIAGRAM

Ref No Description

1 Lower insert

2Footmoulding

3Screw

4O-ring

5 Upper insert

6 Lower enclosure

7 Motor stator

8 Sealing ring

9Clip

10 O-ring set

11 Impeller

12 O-ring

13 Motor Bearing

14 Motor rotor

15 Main housing

16 Sealing ring

17/18 Collet

19/20 Bush

21 Upper enclosure

22 Capacitor

23 Clip

24 Upper cover

25 Gland

26 Screw

27 Handle

28 Handle slide clip

29 Float Switch

30 Power cable/plug

31 Screw

32 Elbow - (push on)

33 Elbow - (threaded)

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