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Manual Clarke CPE 20S Water Pump

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Manual

-5-

Water Connections

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.

Because of the variety of possible installations, no plumbing accessories are supplied with

your pump, however accessories designed specifically for this range of pumps is available

from your nearest CLARKE dealer.

The pump must always be installed and

operated in an upright position i.e. with the

outlet port facing vertically upwards. The

fixing holes in the base should be used as

necessary to secure the pump firmly in it

operating position. Also ensure there is

adequate air circulation around the motor.

Avoid situations where there is a risk of water

coming into contact with the outside of the

pump. Neither the motor or the terminal box

are designed to be waterproof.

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.

The performance of your pump will be affected by the diameter of

the inlet pipe - any restriction will greatly reduce the flow. We strongly

recommend that you use a pipe diameter as large as practicable.

A gate valve may be installed in-line on the delivery side (Outlet Port)

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

of water, it can also assist in priming the pump.

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.

To prevent unnecessary strain or possible distortion to the pump, ensure

that adequate support is provided to the hoses and or pipes. They will

be considerably heavier when filled with water.

Filter

Foot

Valve

Fig. 1

Fig. 2

Should foreign contaminants come into contact with the pump, flush through with cold

water as soon as possible to prevent damage to the pump.

Protect the pump and pipework from freezing. The formation of ice may cause serious

damage.

Where the pump is to be a permanent fixture, the fittings to the pump MUST be flexible, i.e.

a short piece of hose should be inserted between the rigid pipework and the pump.

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