How it Works
Clarke
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7239250
User guide
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Clarke 7239250 User guide

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Page 1
MULTISTAGE SUBMERSIBLE PUMP
MODEL NO: CSD4
PART NO: 7239250
OPERATION & MAINTENANCE
INSTRUCTIONS
ORIGINAL INSTRUCTIONS
GC0220 - ISS 2
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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 occasional use over a limited period and should be cleaned before putting away in storage. See the section “Maintenance”.

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.

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.
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SPECIFICATIONS

Dimensions (D x H) 148 mm (major diameter) x 400 mm
Weight 9.35 kg
Cable Length 15 m
Power Supply 230V ~ 50Hz
Ingress Protection IPX8
Outlet Thread Diameter 1”BSP
Rated Power 1100 W
Maximum Head Height 46 m
Maximum Flow 95 l/min
Lowest Residual Water 12 mm
Water classification Clean
Maximum Particle Size 1 mm
Maximum Water Temperature
35
o
C

PUMP PERFORMANCE CURVE

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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 30 mA 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 mains lead 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. 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. NEVER insert your fingers into the pump whilst it is connected to the mains.
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8. NEVER use the submersible pump in a swimming pool when there are
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.
Yel low)
people or animals in the pool.
9. Keep the pump clear of any sediment by standing it on a platform or brick or suspending it at a suitable depth.

ELECTRICAL CONNECTIONS

WARNING: READ THESE ELECTRICAL SAFETY INSTRUCTIONS THOROUGHLY BEFORE CONNECTING THE PRODUCT TO THE MAINS SUPPLY.
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.
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
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.
•Connect the YELLOW
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.
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INSTALLING THE PUMP

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

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) /
1. Screw the adaptor to the discharge port 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 use a jubilee clip to secure it. Do not overtighten.
¾”(20mm) hose

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. Ensure the pump is positioned with adequate space around the inlet and to the maximum depth of installation shown.
• The pump is supplied with 15 metres of
power cable.
4. 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.
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• The water inlet must be fully submerged before the pump is switched on and the pump be standing upright.
5. Connect the power cable to a high sensitivity residual current device (RCD) which has a tripping current of less then 30mA.

OPERATING THE PUMP

WARNING: CHECK THE PUMP FOR DAMAGE BEFORE USE, DO NOT USE THE PUMP IF IT IS DAMAGED IN ANY WAY.
1. Switch the mains power supply on.
• The pump will begin to drain water until it reaches the 12 mm limit.
2. When finished, disconnect the pump from the power supply.
CAUTION: DO NOT ALLOW THE PUMP TO RUN DRY
• 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.
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MAINTENANCE

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.
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.

GENERAL CLEANING

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.

CLEANING THE IMPELLER

1. Switch off the electric power supply to the pump and drain the pump.
2. Unscrew the 8 retaining screws on the base of the filter shown.
3. Remove the base and the filter.
4. Holding the impeller and unscrew the nut as shown.
5. Take out the impeller, the diffuser, the ring and the O-ring.
6. Repeat for all the impellers.
7. Wash the pump with clean water to remove any contamination between the motor and the pump jacket.
8. Clean the impellers and check that they can all turn freely.
9. Assemble the parts, proceeding in inverse order to disassembly.
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TROUBLESHOOTING

PROBLEM SOLUTION
PUMP WILL NOT START
PUMP WILL START BUT NOT PUMP
PUMP STOPS RUNNING
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 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. If the pump still fails to start, consult your CLARKE dealer for advice.
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.
1. Thermal overload has operated. Leave for 5-10 minutes and try again.
2. A foreign object has jammed the impeller.
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.
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COMPONENT PART KITS

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DECLARATION OF CONFORMITY

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