Stuart Turner Kennet 2 User Manual

CENTRIFUGAL PUMPS

OPERATING INSTRUCTIONS

Please leave this instruction booklet with the pump as it

contains maintenance and safety information

(Original Instructions)

MODELS

Kennet K7-2
Kennet K9-2

Thame T6-2
Thame T12-2

Loddon L5-4S
Loddon L7-4S

Kennet K12-2

INDEX . . . . . . . . . . . . . . . . . Page No

Application . . . . . . . . . . . . . . . . . . . . . . . . . 2

Product Description . . . . . . . . . . . . . . . . . . 3

Limits of Application . . . . . . . . . . . . . . . . . . 3

Technical Specifi cation . . . . . . . . . . . . . . . 4

Connections . . . . . . . . . . . . . . . . . . . . . . . 5

Siting of the Pump/Pipework . . . . . . . . . . . 6

Electrical Installation . . . . . . . . . . . . . . . . . 8

IMPORTANT NOTES

 Please read these instructions fully before starting the

installation:

 The installation must comply with the relevant water supply,

electrical and building regulations and be installed by a
competent person.

 If in doubt, consult Stuart Turner Ltd.

X201

INDEX . . . . . . . . . . . . . . . . . Page No

Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Commissioning . . . . . . . . . . . . . . . . . . . . . 13

Maintenance . . . . . . . . . . . . . . . . . . . . . . . 15

Trouble Shooting Guide . . . . . . . . . . . . . . . 16

Performance Information . . . . . . . . . . . . . . 17

Environment Protection . . . . . . . . . . . . . . . 17

APPLICATION

The range of centrifugal pumps is designed to pump clean fresh water. Other clean,
non aggressive, non explosive liquids with similar characteristics to water may be pumped.
Consult Stuart Turner for advice on such applications.

The pumps can be used for pressure boosting, fluid transfer and distribution. They are
suitable for flooded suction applications. Alternatively a maximum suction lift of

4.6 metres is permitted when using a Stuart footvalve/strainer.

The X201 pump is a self priming pump. Suction lifts up to 6 metres are possible, with or
without a footvalve/strainer, once the pump is primed.

WARNING AGAINST MISUSE

 This pump set must not be used for any other application without the

written consent of Stuart Turner Limited. In particular, it must not be
connected directly to the mains water supply, or used outside the
conditions specified in the limits of application.

 This appliance is not intended for use by persons (including children)

with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person responsible
for their safety.
Children should be supervised to ensure that they do not play with the
appliance.

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Cont ...

PRODUCT DESCRIPTION

Motor:

Induction type, totally enclosed fan ventilated cooling, continuously rated, class ‘F’
insulation. Motors comply with BS 5000 or IEC 34-1. Single phase versions incorporate
a permanent capacitor and integral auto resetting thermal overload protection. Enclosure
ratings are given in the technical specification section.

The standard range of motors are suitable for a supply of 230V, 1 phase, 50Hz.

Optional motors are available on certain models to suit various voltages and frequencies
(see technical specification for details).

Pump:

Close coupled, end suction configuration and of centrifugal design. The number of
pump stages are given in the technical specification section. Standard pump materials of
construction of major wetted parts are as follows: -

Model Body Impeller Shaft Mechanical Seal

Kennet Range Brass

Thame Range

Loddon

X201 Noryl Glass filled Nylon Brass (Sleeved)

Noryl
Stainless Steel

Noryl
Stainless Steel

Acetal or
Brass

Polycarbonate Stainless Steel

Polycarbonate Stainless Steel

Stainless Steel

Nitrile/Carbon/Silicon
Carbide/Stainless Steel

Nitrile/Carbon/Silicon
Carbide/Stainless Steel

Nitrile/Carbon/Silicon
Carbide/Stainless Steel

Nitrile/Carbon
Ceramic/Stainless Stee

Other seal material options are available on certain models.

LIMITS OF APPLICATION

Model Supply Impeller

Material

K7-2 230/1/50 Plastic 80 4 40 4.6* 9.2 50 9.5 600 (6) 51 60
K9-2 230/1/50 Plastic 80 4 40 4.6* 8.9 50 9.5 600 (6) 51 60
K9-2 230/1/50 Brass 80 4 40 4.6* 9.2 50 9.5 600 (6) 51 60
K9-2 400/3/50 Plastic 80 4 40 4.6* 9 50 9.5 600 (6) 51 60
K12-2 230/1/50 Plastic 80 4 40 4.6* 13.9 50 9.5 600 (6) 51 60

Max.
Liquid
Temp.

o

C

Min.
Liquid
Temp.

o

C

Max.

Ambient

Air Temp

o

C

Max.

Suction

Lift (m)

Max. Head

(Pump

Closed

Valve) (m)

Max. Viscosity

(Redwood

No. 1 Scale)

Centistokes

**Max.

Working
Pressure
kPa (bar)

Max.

Inlet

Head

(m)

Starts/h

Max.

No.

K12-2 230/1/50 Brass 80 4 40 4.6* 14.7 50 9.5 600 (6) 51 60
K12-2 400/3/50 Plastic 80 4 40 4.6* 14 50 9.5 600 (6) 45 60
T6-2 230/1/50 Plastic 65 4 40 4.6* 30 50 9.5 400 (4) 10 60
T12-2 230/1/50 Plastic 65 4 40 4.6* 32 50 9.5 400 (4) 7 60
L5-4S 230/1/50 Plastic 65 4 40 4.6* 47.5 50 9.5 700 (7) 27 60
L7-4S 230/1/50 Plastic 65 4 40 4.6* 49.5 50 9.5 700 (7) 23 60
X201 230/1/50 Plastic 50 4 40 6 19 50 9.5 300 (3) 11 60

* With footvalve fitted.
**Note: Max working pressure is the maximum pressure that can be applied to the

pump internal casing under any installation conditions.

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TECHNICAL SPECIFICATION

Model Supply Impeller

Material

K7-2 230/1/50 Plastic 180 230 1 IP44 237 131 180 6.1 1
K9-2 230/1/50 Plastic 250 330 1.5 IP44 242 131 180 6.3 1
K9-2 230/1/50 Brass 250 350 1.6 IP44 242 131 180 6.3 1
K9-2 400/3/50 Plastic 250 370 0.85 IP44 288 133 166.5 6.3 1
K12-2 230/1/50 Plastic 500 595 2.8 IP44 277 131 180 8.2 1
K12-2 230/1/50 Brass 500 635 2.9 IP44 277 131 180 8.2 1
K12-2 400/3/50 Plastic 500 610 1.1 IP44 288 133 166.5 6.3 1
T6-2 230/1/50 Plastic 650 890 3.9 IP55 326 210 214 8.2 2
T12-2 230/1/50 Plastic 820 1140 5.2 IP55 350 210 214 9.4 2
L5-4S 230/1/50 Plastic 600 925 4.1 IP55 400 202 214 9.8 4
L7-4S 230/1/50 Plastic 760 1075 4.9 IP55 424 202 214 10.8 4
X201 230/1/50 Plastic 670 930 4.1 IP55 375 205 255 9.6 1

Nominal

Watts
Output
(Motor)

Max. Watts

consumed
at full flow

Full

Load

(AMPS)

Enc.

Rating

Dims (mm) Gross

Weight

(packed)

LWH

No. of
Pump

Stages

kg

Stuart Turner reserve the right to amend the specification in line with its policy of

continuous development of its products.

Note: For information on other voltages/frequencies which are not shown, consult any
supplementary instruction sheet supplied, or the rating label attached to the
pump.

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Cont ...

CONNECTIONS

Pump Type Voltage Inlet Outlet Fig. No

K7-2 230/1/50 G1 Female G1 Female 1
K9-2 230/1/50 G1 Female G1 Female 1
K9-2 400/3/50 G1 Female G1 Female 2
K12-2 230/1/50 G1 Female G1 Female 1
K12-2 400/3/50 G1 Female G1 Female 2
T6-2 230/1/50 G1 Female G1 Female 3
T12-2 230/1/50 G1 Female G1 Female 3
L5-4S 230/1/50 G 1¼ Female G1 Female 5
L7-4S 230/1/50 G 1¼ Female G1 Female 5
X201 230/1/50 G 1¼ Female G 1¼ Female 4

PRIMING
PLUG

INLET

Fig. 1

OUTLET

OUTLET

TURNER LTD

Fig. 3

PRIMING
PLUG

INLET

INLET

Fig. 2

OUTLET

OUTLET

PRIMING
PLUG

TURNER LTD

Fig. 4

PRIMING
PLUG

INLET

PRIMING
PLUG

INLET

OUTLET

TURNER LTD

Fig. 5

Cont ...

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SITING OF THE PUMP/PIPEWORK

WARNINGS:

 Pump Location

If possible site the pump in a location where in the unlikely event of a
liquid leak, any spillage is contained or routed to avoid electrics or
areas sensitive to liquid damage.

 Ensure pipework to and from pump is independently supported to

prevent stress on the pump inlet and outlet branches.

 Do not fit a non-return valve, or devices which contain non-return

valves, in the suction (inlet) pipework to the pump. Exceptions can
be made in the case of suction lift installations when a footvalve is
required.

 When a footvalve is required on installations that incorporate

automatic pump control, it is recommended that a suitable pressure
relief valve be fitted in the discharge (outlet) pipework from the pump.

 Do not run against a closed valve for periods longer than 5 minutes.
 Do not allow plastic pump parts to come into contact with oil or

cellulose based paints, paint thinners or strippers, acid based
descalents or aggressive cleaning agents.

 Do not introduce solder flux to pumps or pump parts manufactured

from plastic. All solder joints should be completed and flux residues
removed prior to pump connection.

 Care should be taken to protect the pump from frost and freezing.
 Always install isolating valves to both suction and delivery pipework.
 The motor casing can become very hot under normal operating

conditions. Care should be taken to ensure it cannot be touched
during operation.

Site the pump horizontally in a dry, frost-free position where it cannot be sprayed with
water and as close to the liquid source as possible.

The pump enclosure must be ventilated and there should be a minimum clearance of
80 mm between the pump and housing on all sides.

To prevent loss of pressure through pipework, use pipe size to match pump whenever
possible, minimising 90° bends.

It must be ensured that storage capacity of the liquid supply is adequate for the flow
rates required by the pump.

The pipework feeds to the storage tank should be of adequate size to ensure
replenishment rate of tank is sufficient to meet the needs of the pump.

Isolating valves should be fitted in suction and delivery pipework to enable easy isolation
and access to the pump.

When the pump is to be installed in areas where there is a risk of debris or scale build up
within the system, it is recommended that the inlet pipework is fitted with an inline strainer.

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Cont ...